[MacPorts] #64416: isl @0.24_1+universal: Failed to configure isl

Fri Jan 14 15:54:44 UTC 2022

#64416: isl @0.24_1+universal: Failed to configure isl
------------------------+--------------------
  Reporter:  xiaoyixie  |      Owner:  (none)
      Type:  defect     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.7.1
Resolution:             |   Keywords:  bigsur
      Port:  isl        |
------------------------+--------------------

Comment (by xiaoyixie):

 Main.log:

 {{{

 version:1
 :debug:main Starting logging for isl @0.24_1+universal
 :debug:sysinfo macOS 11.6 (darwin/20.6.0) arch i386
 :debug:sysinfo MacPorts 2.7.1
 :debug:sysinfo Xcode 13.1
 :debug:sysinfo SDK 11
 :debug:sysinfo MACOSX_DEPLOYMENT_TARGET: 11.0
 :msg:main --->  Computing dependencies for isl:info:main .:debug:main isl
 has no conflicts
 :debug:main Searching for dependency: gmp
 :debug:main Found Dependency: receipt exists for gmp
 :debug:main Executing org.macports.main (isl)
 :debug:main dropping privileges: euid changed to 503, egid changed to 501.
 :debug:archivefetch archivefetch phase started at Thu Jan  6 15:41:19 CET
 2022
 :msg:archivefetch --->  Fetching archive for isl
 :debug:archivefetch Executing org.macports.archivefetch (isl)
 :debug:archivefetch euid/egid changed to: 0/0
 :debug:archivefetch chowned /opt/local/var/macports/incoming to macports
 :debug:archivefetch euid/egid changed to: 503/501
 :info:archivefetch --->  isl-0.24_1+universal.darwin_20.arm64-x86_64.tbz2
 doesn't seem to exist in /opt/local/var/macports/incoming/verified
 :msg:archivefetch --->  Attempting to fetch
 isl-0.24_1+universal.darwin_20.arm64-x86_64.tbz2 from
 https://nue.de.packages.macports.org/isl
 :debug:archivefetch Fetching archive failed: The requested URL returned
 error: 404 Not Found
 :msg:archivefetch --->  Attempting to fetch
 isl-0.24_1+universal.darwin_20.arm64-x86_64.tbz2 from
 https://fra.de.packages.macports.org/isl
 :debug:archivefetch Fetching archive failed: The requested URL returned
 error: 404 Not Found
 :msg:archivefetch --->  Attempting to fetch
 isl-0.24_1+universal.darwin_20.arm64-x86_64.tbz2 from
 https://mse.uk.packages.macports.org/isl
 :debug:archivefetch Fetching archive failed: The requested URL returned
 error: 404 Not Found
 :debug:archivefetch Privilege de-escalation not attempted as not running
 as root.
 :debug:fetch fetch phase started at Thu Jan  6 15:41:21 CET 2022
 :notice:fetch --->  Fetching distfiles for isl
 :debug:fetch Executing org.macports.fetch (isl)
 :debug:fetch Privilege de-escalation not attempted as not running as root.
 :debug:checksum checksum phase started at Thu Jan  6 15:41:21 CET 2022
 :notice:checksum --->  Verifying checksums for isl
 :debug:checksum Executing org.macports.checksum (isl)
 :info:checksum --->  Checksumming isl-0.24.tar.bz2
 :debug:checksum Calculated (rmd160) is
 b3bf8e1ad50207d4eebecc47cb4cffdac6581a57
 :debug:checksum Correct (rmd160) checksum for isl-0.24.tar.bz2
 :debug:checksum Calculated (sha256) is
 fcf78dd9656c10eb8cf9fbd5f59a0b6b01386205fe1934b3b287a0a1898145c0
 :debug:checksum Correct (sha256) checksum for isl-0.24.tar.bz2
 :debug:checksum Calculated (size) is 2261594
 :debug:checksum Correct (size) checksum for isl-0.24.tar.bz2
 :debug:checksum Privilege de-escalation not attempted as not running as
 root.
 :debug:extract extract phase started at Thu Jan  6 15:41:21 CET 2022
 :notice:extract --->  Extracting isl
 :debug:extract setting option extract.cmd to /usr/bin/bzip2
 :debug:extract Executing org.macports.extract (isl)
 :info:extract --->  Extracting isl-0.24.tar.bz2
 :debug:extract setting option extract.args to
 '/opt/local/var/macports/distfiles/isl/isl-0.24.tar.bz2'
 :debug:extract Environment:
 :debug:extract CC_PRINT_OPTIONS='YES'
 :debug:extract
 CC_PRINT_OPTIONS_FILE='/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/.CC_PRINT_OPTIONS'
 :debug:extract CPATH='/opt/local/include'
 :debug:extract DEVELOPER_DIR='/Library/Developer/CommandLineTools'
 :debug:extract LIBRARY_PATH='/opt/local/lib'
 :debug:extract MACOSX_DEPLOYMENT_TARGET='11.0'
 :debug:extract
 SDKROOT='/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :info:extract Executing:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work"
 && /usr/bin/bzip2 -dc
 '/opt/local/var/macports/distfiles/isl/isl-0.24.tar.bz2' | /usr/bin/tar
 -xf -
 :debug:extract system:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work"
 && /usr/bin/bzip2 -dc
 '/opt/local/var/macports/distfiles/isl/isl-0.24.tar.bz2' | /usr/bin/tar
 -xf -
 :debug:extract euid/egid changed to: 0/0
 :debug:extract chowned
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work
 to macports
 :debug:extract euid/egid changed to: 503/501
 :debug:extract Privilege de-escalation not attempted as not running as
 root.
 :debug:patch patch phase started at Thu Jan  6 15:41:22 CET 2022
 :debug:patch Executing org.macports.patch (isl)
 :notice:patch --->  Applying patches to isl
 :info:patch --->  Applying patch-configure_c++11.diff
 :debug:patch Environment:
 :debug:patch CC_PRINT_OPTIONS='YES'
 :debug:patch
 CC_PRINT_OPTIONS_FILE='/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/.CC_PRINT_OPTIONS'
 :debug:patch CPATH='/opt/local/include'
 :debug:patch DEVELOPER_DIR='/Library/Developer/CommandLineTools'
 :debug:patch LIBRARY_PATH='/opt/local/lib'
 :debug:patch MACOSX_DEPLOYMENT_TARGET='11.0'
 :debug:patch
 SDKROOT='/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :info:patch Executing:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24"
 && /usr/bin/patch -p0 <
 '/opt/local/var/macports/sources/rsync.macports.org/macports/release/tarballs/ports/devel/isl/files
 /patch-configure_c++11.diff'
 :debug:patch system:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24"
 && /usr/bin/patch -p0 <
 '/opt/local/var/macports/sources/rsync.macports.org/macports/release/tarballs/ports/devel/isl/files
 /patch-configure_c++11.diff'
 :info:patch patching file configure
 :debug:patch Privilege de-escalation not attempted as not running as root.
 :debug:configure configure phase started at Thu Jan  6 15:41:22 CET 2022
 :notice:configure --->  Configuring isl
 :debug:configure Preferred compilers: clang macports-clang-9.0 macports-
 clang-13 macports-clang-12 macports-clang-11 macports-clang-10
 :debug:configure Using compiler 'Xcode Clang'
 :debug:configure Executing org.macports.configure (isl)
 :info:configure --->  Configuring isl for architecture arm64
 :debug:configure setting option configure.dir to
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64
 :debug:configure setting option autoreconf.dir to
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64
 :debug:configure setting option autoconf.dir to
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64
 :debug:configure Environment:
 :debug:configure CC='/usr/bin/clang'
 :debug:configure CC_PRINT_OPTIONS='YES'
 :debug:configure
 CC_PRINT_OPTIONS_FILE='/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/.CC_PRINT_OPTIONS'
 :debug:configure CFLAGS='-pipe -Os -arch arm64
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :debug:configure CPATH='/opt/local/include'
 :debug:configure CPPFLAGS='-I/opt/local/include
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :debug:configure CXX='/usr/bin/clang++'
 :debug:configure CXXFLAGS='-pipe -Os -arch arm64 -stdlib=libc++
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :debug:configure DEVELOPER_DIR='/Library/Developer/CommandLineTools'
 :debug:configure F90FLAGS='-pipe -Os'
 :debug:configure FCFLAGS='-pipe -Os'
 :debug:configure FFLAGS='-pipe -Os'
 :debug:configure INSTALL='/usr/bin/install -c'
 :debug:configure LDFLAGS='-L/opt/local/lib
 -Wl,-headerpad_max_install_names -arch arm64
 -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :debug:configure LIBRARY_PATH='/opt/local/lib'
 :debug:configure MACOSX_DEPLOYMENT_TARGET='11.0'
 :debug:configure OBJC='/usr/bin/clang'
 :debug:configure OBJCFLAGS='-pipe -Os -arch arm64
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :debug:configure OBJCXX='/usr/bin/clang++'
 :debug:configure OBJCXXFLAGS='-pipe -Os -stdlib=libc++
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :debug:configure
 SDKROOT='/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :info:configure Executing:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64"
 && ./configure --prefix=/opt/local --disable-silent-rules
 CC_FOR_BUILD=/usr/bin/clang LDFLAGS_FOR_BUILD="$LDFLAGS"
 CPPFLAGS_FOR_BUILD="$CPPFLAGS" CFLAGS_FOR_BUILD="$CFLAGS" --host=aarch64
 -apple-darwin20.6.0
 :debug:configure system:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64"
 && ./configure --prefix=/opt/local --disable-silent-rules
 CC_FOR_BUILD=/usr/bin/clang LDFLAGS_FOR_BUILD="$LDFLAGS"
 CPPFLAGS_FOR_BUILD="$CPPFLAGS" CFLAGS_FOR_BUILD="$CFLAGS" --host=aarch64
 -apple-darwin20.6.0
 :info:configure checking for a BSD-compatible install... /usr/bin/install
 -c
 :info:configure checking whether build environment is sane... yes
 :info:configure checking for aarch64-apple-darwin20.6.0-strip... no
 :info:configure checking for strip... strip
 :info:configure checking for a thread-safe mkdir -p... ./install-sh -c -d
 :info:configure checking for gawk... gawk
 :info:configure checking whether make sets $(MAKE)... yes
 :info:configure checking whether make supports nested variables... yes
 :info:configure checking whether make supports nested variables...
 (cached) yes
 :info:configure checking for aarch64-apple-darwin20.6.0-gcc...
 /usr/bin/clang
 :info:configure checking whether the C compiler works... yes
 :info:configure checking for C compiler default output file name... a.out
 :info:configure checking for suffix of executables...
 :info:configure checking whether we are cross compiling... yes
 :info:configure checking for suffix of object files... o
 :info:configure checking whether we are using the GNU C compiler... yes
 :info:configure checking whether /usr/bin/clang accepts -g... yes
 :info:configure checking for /usr/bin/clang option to accept ISO C89...
 none needed
 :info:configure checking whether /usr/bin/clang understands -c and -o
 together... yes
 :info:configure checking whether make supports the include directive...
 yes (GNU style)
 :info:configure checking dependency style of /usr/bin/clang... gcc3
 :info:configure checking whether we are using the GNU C++ compiler... yes
 :info:configure checking whether /usr/bin/clang++ accepts -g... yes
 :info:configure checking dependency style of /usr/bin/clang++... gcc3
 :info:configure checking how to run the C preprocessor... /usr/bin/clang
 -E
 :info:configure checking build system type... x86_64-apple-darwin20.6.0
 :info:configure checking for x86_64-apple-darwin20.6.0-gcc...
 /usr/bin/clang
 :info:configure checking whether we are using the GNU C compiler...
 (cached) yes
 :info:configure ./configure: line 5363: test: =: unary operator expected
 :info:configure checking whether /usr/bin/clang accepts -g... yes
 :info:configure checking for /usr/bin/clang option to accept ISO C89...
 none needed
 :info:configure checking whether /usr/bin/clang understands -c and -o
 together... yes
 :info:configure checking dependency style of /usr/bin/clang... gcc3
 :info:configure checking whether the C compiler works... yes
 :info:configure checking for C compiler default output file name... a.out
 :info:configure checking for suffix of executables...
 :info:configure checking whether we are cross compiling... configure:
 error: in
 `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64':
 :info:configure configure: error: cannot run C compiled programs.
 :info:configure If you meant to cross compile, use `--build'.
 :info:configure See `config.log' for more details
 :info:configure Command failed:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64"
 && ./configure --prefix=/opt/local --disable-silent-rules
 CC_FOR_BUILD=/usr/bin/clang LDFLAGS_FOR_BUILD="$LDFLAGS"
 CPPFLAGS_FOR_BUILD="$CPPFLAGS" CFLAGS_FOR_BUILD="$CFLAGS" --host=aarch64
 -apple-darwin20.6.0
 :info:configure Exit code: 1
 :error:configure Failed to configure isl: consult
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64/config.log
 :error:configure Failed to configure isl: configure failure: command
 execution failed
 :debug:configure Error code: NONE
 :debug:configure Backtrace: configure failure: command execution failed
 :debug:configure     while executing
 :debug:configure "$procedure $targetname"
 :error:configure See
 /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/main.log
 for details.
 version:1
 :debug:main Starting logging for isl @0.24_1+universal
 :debug:sysinfo macOS 11.6 (darwin/20.6.0) arch i386
 :debug:sysinfo MacPorts 2.7.1
 :debug:sysinfo Xcode 13.1
 :debug:sysinfo SDK 11
 :debug:sysinfo MACOSX_DEPLOYMENT_TARGET: 11.0
 :msg:main --->  Computing dependencies for isl:info:main .:debug:main isl
 has no conflicts
 :debug:main Searching for dependency: gmp
 :debug:main Found Dependency: receipt exists for gmp
 :debug:main Executing org.macports.main (isl)
 :debug:main dropping privileges: euid changed to 503, egid changed to 501.
 :debug:archivefetch archivefetch phase started at Thu Jan  6 15:50:56 CET
 2022
 :msg:archivefetch --->  Fetching archive for isl
 :debug:archivefetch Executing org.macports.archivefetch (isl)
 :debug:archivefetch euid/egid changed to: 0/0
 :debug:archivefetch chowned /opt/local/var/macports/incoming to macports
 :debug:archivefetch euid/egid changed to: 503/501
 :info:archivefetch --->  isl-0.24_1+universal.darwin_20.arm64-x86_64.tbz2
 doesn't seem to exist in /opt/local/var/macports/incoming/verified
 :msg:archivefetch --->  Attempting to fetch
 isl-0.24_1+universal.darwin_20.arm64-x86_64.tbz2 from
 https://nue.de.packages.macports.org/isl
 :debug:archivefetch Fetching archive failed: The requested URL returned
 error: 404 Not Found
 :msg:archivefetch --->  Attempting to fetch
 isl-0.24_1+universal.darwin_20.arm64-x86_64.tbz2 from
 https://fra.de.packages.macports.org/isl
 :debug:archivefetch Fetching archive failed: The requested URL returned
 error: 404 Not Found
 :msg:archivefetch --->  Attempting to fetch
 isl-0.24_1+universal.darwin_20.arm64-x86_64.tbz2 from
 https://mse.uk.packages.macports.org/isl
 :debug:archivefetch Fetching archive failed: The requested URL returned
 error: 404 Not Found
 :debug:archivefetch Privilege de-escalation not attempted as not running
 as root.
 :debug:archivefetch Skipping completed org.macports.fetch (isl)
 :debug:archivefetch Privilege de-escalation not attempted as not running
 as root.
 :debug:archivefetch Skipping completed org.macports.checksum (isl)
 :debug:archivefetch Privilege de-escalation not attempted as not running
 as root.
 :debug:archivefetch Skipping completed org.macports.extract (isl)
 :debug:archivefetch Privilege de-escalation not attempted as not running
 as root.
 :debug:archivefetch Skipping completed org.macports.patch (isl)
 :debug:archivefetch Privilege de-escalation not attempted as not running
 as root.
 :debug:configure configure phase started at Thu Jan  6 15:50:58 CET 2022
 :notice:configure --->  Configuring isl
 :debug:configure Preferred compilers: clang macports-clang-9.0 macports-
 clang-13 macports-clang-12 macports-clang-11 macports-clang-10
 :debug:configure Using compiler 'Xcode Clang'
 :debug:configure Executing org.macports.configure (isl)
 :info:configure --->  Configuring isl for architecture arm64
 :debug:configure setting option configure.dir to
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64
 :debug:configure setting option autoreconf.dir to
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64
 :debug:configure setting option autoconf.dir to
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64
 :debug:configure Environment:
 :debug:configure CC='/usr/bin/clang'
 :debug:configure CC_PRINT_OPTIONS='YES'
 :debug:configure
 CC_PRINT_OPTIONS_FILE='/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/.CC_PRINT_OPTIONS'
 :debug:configure CFLAGS='-pipe -Os -arch arm64
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :debug:configure CPATH='/opt/local/include'
 :debug:configure CPPFLAGS='-I/opt/local/include
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :debug:configure CXX='/usr/bin/clang++'
 :debug:configure CXXFLAGS='-pipe -Os -arch arm64 -stdlib=libc++
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :debug:configure DEVELOPER_DIR='/Library/Developer/CommandLineTools'
 :debug:configure F90FLAGS='-pipe -Os'
 :debug:configure FCFLAGS='-pipe -Os'
 :debug:configure FFLAGS='-pipe -Os'
 :debug:configure INSTALL='/usr/bin/install -c'
 :debug:configure LDFLAGS='-L/opt/local/lib
 -Wl,-headerpad_max_install_names -arch arm64
 -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :debug:configure LIBRARY_PATH='/opt/local/lib'
 :debug:configure MACOSX_DEPLOYMENT_TARGET='11.0'
 :debug:configure OBJC='/usr/bin/clang'
 :debug:configure OBJCFLAGS='-pipe -Os -arch arm64
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :debug:configure OBJCXX='/usr/bin/clang++'
 :debug:configure OBJCXXFLAGS='-pipe -Os -stdlib=libc++
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :debug:configure
 SDKROOT='/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :info:configure Executing:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64"
 && ./configure --prefix=/opt/local --disable-silent-rules
 CC_FOR_BUILD=/usr/bin/clang LDFLAGS_FOR_BUILD="$LDFLAGS"
 CPPFLAGS_FOR_BUILD="$CPPFLAGS" CFLAGS_FOR_BUILD="$CFLAGS" --host=aarch64
 -apple-darwin20.6.0
 :debug:configure system:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64"
 && ./configure --prefix=/opt/local --disable-silent-rules
 CC_FOR_BUILD=/usr/bin/clang LDFLAGS_FOR_BUILD="$LDFLAGS"
 CPPFLAGS_FOR_BUILD="$CPPFLAGS" CFLAGS_FOR_BUILD="$CFLAGS" --host=aarch64
 -apple-darwin20.6.0
 :info:configure checking for a BSD-compatible install... /usr/bin/install
 -c
 :info:configure checking whether build environment is sane... yes
 :info:configure checking for aarch64-apple-darwin20.6.0-strip... no
 :info:configure checking for strip... strip
 :info:configure checking for a thread-safe mkdir -p... ./install-sh -c -d
 :info:configure checking for gawk... gawk
 :info:configure checking whether make sets $(MAKE)... yes
 :info:configure checking whether make supports nested variables... yes
 :info:configure checking whether make supports nested variables...
 (cached) yes
 :info:configure checking for aarch64-apple-darwin20.6.0-gcc...
 /usr/bin/clang
 :info:configure checking whether the C compiler works... yes
 :info:configure checking for C compiler default output file name... a.out
 :info:configure checking for suffix of executables...
 :info:configure checking whether we are cross compiling... yes
 :info:configure checking for suffix of object files... o
 :info:configure checking whether we are using the GNU C compiler... yes
 :info:configure checking whether /usr/bin/clang accepts -g... yes
 :info:configure checking for /usr/bin/clang option to accept ISO C89...
 none needed
 :info:configure checking whether /usr/bin/clang understands -c and -o
 together... yes
 :info:configure checking whether make supports the include directive...
 yes (GNU style)
 :info:configure checking dependency style of /usr/bin/clang... gcc3
 :info:configure checking whether we are using the GNU C++ compiler... yes
 :info:configure checking whether /usr/bin/clang++ accepts -g... yes
 :info:configure checking dependency style of /usr/bin/clang++... gcc3
 :info:configure checking how to run the C preprocessor... /usr/bin/clang
 -E
 :info:configure checking build system type... x86_64-apple-darwin20.6.0
 :info:configure checking for x86_64-apple-darwin20.6.0-gcc...
 /usr/bin/clang
 :info:configure checking whether we are using the GNU C compiler...
 (cached) yes
 :info:configure ./configure: line 5363: test: =: unary operator expected
 :info:configure checking whether /usr/bin/clang accepts -g... yes
 :info:configure checking for /usr/bin/clang option to accept ISO C89...
 none needed
 :info:configure checking whether /usr/bin/clang understands -c and -o
 together... yes
 :info:configure checking dependency style of /usr/bin/clang... gcc3
 :info:configure checking whether the C compiler works... yes
 :info:configure checking for C compiler default output file name... a.out
 :info:configure checking for suffix of executables...
 :info:configure checking whether we are cross compiling... configure:
 error: in
 `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64':
 :info:configure configure: error: cannot run C compiled programs.
 :info:configure If you meant to cross compile, use `--build'.
 :info:configure See `config.log' for more details
 :info:configure Command failed:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64"
 && ./configure --prefix=/opt/local --disable-silent-rules
 CC_FOR_BUILD=/usr/bin/clang LDFLAGS_FOR_BUILD="$LDFLAGS"
 CPPFLAGS_FOR_BUILD="$CPPFLAGS" CFLAGS_FOR_BUILD="$CFLAGS" --host=aarch64
 -apple-darwin20.6.0
 :info:configure Exit code: 1
 :error:configure Failed to configure isl: consult
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64/config.log
 :error:configure Failed to configure isl: configure failure: command
 execution failed
 :debug:configure Error code: NONE
 :debug:configure Backtrace: configure failure: command execution failed
 :debug:configure     while executing
 :debug:configure "$procedure $targetname"
 :error:configure See
 /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/main.log
 for details.
 version:1
 :debug:main Starting logging for isl @0.24_1+universal
 :debug:sysinfo macOS 11.6 (darwin/20.6.0) arch i386
 :debug:sysinfo MacPorts 2.7.1
 :debug:sysinfo Xcode 13.1
 :debug:sysinfo SDK 11
 :debug:sysinfo MACOSX_DEPLOYMENT_TARGET: 11.0
 :msg:main --->  Computing dependencies for isl:info:main .:debug:main isl
 has no conflicts
 :debug:main Searching for dependency: gmp
 :debug:main Found Dependency: receipt exists for gmp
 :debug:main Executing org.macports.main (isl)
 :debug:main dropping privileges: euid changed to 503, egid changed to 501.
 :debug:archivefetch archivefetch phase started at Thu Jan  6 15:51:49 CET
 2022
 :msg:archivefetch --->  Fetching archive for isl
 :debug:archivefetch Executing org.macports.archivefetch (isl)
 :debug:archivefetch euid/egid changed to: 0/0
 :debug:archivefetch chowned /opt/local/var/macports/incoming to macports
 :debug:archivefetch euid/egid changed to: 503/501
 :info:archivefetch --->  isl-0.24_1+universal.darwin_20.arm64-x86_64.tbz2
 doesn't seem to exist in /opt/local/var/macports/incoming/verified
 :msg:archivefetch --->  Attempting to fetch
 isl-0.24_1+universal.darwin_20.arm64-x86_64.tbz2 from
 https://nue.de.packages.macports.org/isl
 :debug:archivefetch Fetching archive failed: The requested URL returned
 error: 404 Not Found
 :msg:archivefetch --->  Attempting to fetch
 isl-0.24_1+universal.darwin_20.arm64-x86_64.tbz2 from
 https://fra.de.packages.macports.org/isl
 :debug:archivefetch Fetching archive failed: The requested URL returned
 error: 404 Not Found
 :msg:archivefetch --->  Attempting to fetch
 isl-0.24_1+universal.darwin_20.arm64-x86_64.tbz2 from
 https://mse.uk.packages.macports.org/isl
 :debug:archivefetch Fetching archive failed: The requested URL returned
 error: 404 Not Found
 :debug:archivefetch Privilege de-escalation not attempted as not running
 as root.
 :debug:archivefetch Skipping completed org.macports.fetch (isl)
 :debug:archivefetch Privilege de-escalation not attempted as not running
 as root.
 :debug:archivefetch Skipping completed org.macports.checksum (isl)
 :debug:archivefetch Privilege de-escalation not attempted as not running
 as root.
 :debug:archivefetch Skipping completed org.macports.extract (isl)
 :debug:archivefetch Privilege de-escalation not attempted as not running
 as root.
 :debug:archivefetch Skipping completed org.macports.patch (isl)
 :debug:archivefetch Privilege de-escalation not attempted as not running
 as root.
 :debug:configure configure phase started at Thu Jan  6 15:51:50 CET 2022
 :notice:configure --->  Configuring isl
 :debug:configure Preferred compilers: clang macports-clang-9.0 macports-
 clang-13 macports-clang-12 macports-clang-11 macports-clang-10
 :debug:configure Using compiler 'Xcode Clang'
 :debug:configure Executing org.macports.configure (isl)
 :info:configure --->  Configuring isl for architecture arm64
 :debug:configure setting option configure.dir to
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64
 :debug:configure setting option autoreconf.dir to
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64
 :debug:configure setting option autoconf.dir to
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64
 :debug:configure Environment:
 :debug:configure CC='/usr/bin/clang'
 :debug:configure CC_PRINT_OPTIONS='YES'
 :debug:configure
 CC_PRINT_OPTIONS_FILE='/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/.CC_PRINT_OPTIONS'
 :debug:configure CFLAGS='-pipe -Os -arch arm64
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :debug:configure CPATH='/opt/local/include'
 :debug:configure CPPFLAGS='-I/opt/local/include
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :debug:configure CXX='/usr/bin/clang++'
 :debug:configure CXXFLAGS='-pipe -Os -arch arm64 -stdlib=libc++
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :debug:configure DEVELOPER_DIR='/Library/Developer/CommandLineTools'
 :debug:configure F90FLAGS='-pipe -Os'
 :debug:configure FCFLAGS='-pipe -Os'
 :debug:configure FFLAGS='-pipe -Os'
 :debug:configure INSTALL='/usr/bin/install -c'
 :debug:configure LDFLAGS='-L/opt/local/lib
 -Wl,-headerpad_max_install_names -arch arm64
 -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :debug:configure LIBRARY_PATH='/opt/local/lib'
 :debug:configure MACOSX_DEPLOYMENT_TARGET='11.0'
 :debug:configure OBJC='/usr/bin/clang'
 :debug:configure OBJCFLAGS='-pipe -Os -arch arm64
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :debug:configure OBJCXX='/usr/bin/clang++'
 :debug:configure OBJCXXFLAGS='-pipe -Os -stdlib=libc++
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :debug:configure
 SDKROOT='/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :info:configure Executing:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64"
 && ./configure --prefix=/opt/local --disable-silent-rules
 CC_FOR_BUILD=/usr/bin/clang LDFLAGS_FOR_BUILD="$LDFLAGS"
 CPPFLAGS_FOR_BUILD="$CPPFLAGS" CFLAGS_FOR_BUILD="$CFLAGS" --host=aarch64
 -apple-darwin20.6.0
 :debug:configure system:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64"
 && ./configure --prefix=/opt/local --disable-silent-rules
 CC_FOR_BUILD=/usr/bin/clang LDFLAGS_FOR_BUILD="$LDFLAGS"
 CPPFLAGS_FOR_BUILD="$CPPFLAGS" CFLAGS_FOR_BUILD="$CFLAGS" --host=aarch64
 -apple-darwin20.6.0
 :info:configure checking for a BSD-compatible install... /usr/bin/install
 -c
 :info:configure checking whether build environment is sane... yes
 :info:configure checking for aarch64-apple-darwin20.6.0-strip... no
 :info:configure checking for strip... strip
 :info:configure checking for a thread-safe mkdir -p... ./install-sh -c -d
 :info:configure checking for gawk... gawk
 :info:configure checking whether make sets $(MAKE)... yes
 :info:configure checking whether make supports nested variables... yes
 :info:configure checking whether make supports nested variables...
 (cached) yes
 :info:configure checking for aarch64-apple-darwin20.6.0-gcc...
 /usr/bin/clang
 :info:configure checking whether the C compiler works... yes
 :info:configure checking for C compiler default output file name... a.out
 :info:configure checking for suffix of executables...
 :info:configure checking whether we are cross compiling... yes
 :info:configure checking for suffix of object files... o
 :info:configure checking whether we are using the GNU C compiler... yes
 :info:configure checking whether /usr/bin/clang accepts -g... yes
 :info:configure checking for /usr/bin/clang option to accept ISO C89...
 none needed
 :info:configure checking whether /usr/bin/clang understands -c and -o
 together... yes
 :info:configure checking whether make supports the include directive...
 yes (GNU style)
 :info:configure checking dependency style of /usr/bin/clang... gcc3
 :info:configure checking whether we are using the GNU C++ compiler... yes
 :info:configure checking whether /usr/bin/clang++ accepts -g... yes
 :info:configure checking dependency style of /usr/bin/clang++... gcc3
 :info:configure checking how to run the C preprocessor... /usr/bin/clang
 -E
 :info:configure checking build system type... x86_64-apple-darwin20.6.0
 :info:configure checking for x86_64-apple-darwin20.6.0-gcc...
 /usr/bin/clang
 :info:configure checking whether we are using the GNU C compiler...
 (cached) yes
 :info:configure ./configure: line 5363: test: =: unary operator expected
 :info:configure checking whether /usr/bin/clang accepts -g... yes
 :info:configure checking for /usr/bin/clang option to accept ISO C89...
 none needed
 :info:configure checking whether /usr/bin/clang understands -c and -o
 together... yes
 :info:configure checking dependency style of /usr/bin/clang... gcc3
 :info:configure checking whether the C compiler works... yes
 :info:configure checking for C compiler default output file name... a.out
 :info:configure checking for suffix of executables...
 :info:configure checking whether we are cross compiling... configure:
 error: in
 `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64':
 :info:configure configure: error: cannot run C compiled programs.
 :info:configure If you meant to cross compile, use `--build'.
 :info:configure See `config.log' for more details
 :info:configure Command failed:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64"
 && ./configure --prefix=/opt/local --disable-silent-rules
 CC_FOR_BUILD=/usr/bin/clang LDFLAGS_FOR_BUILD="$LDFLAGS"
 CPPFLAGS_FOR_BUILD="$CPPFLAGS" CFLAGS_FOR_BUILD="$CFLAGS" --host=aarch64
 -apple-darwin20.6.0
 :info:configure Exit code: 1
 :error:configure Failed to configure isl: consult
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64/config.log
 :error:configure Failed to configure isl: configure failure: command
 execution failed
 :debug:configure Error code: NONE
 :debug:configure Backtrace: configure failure: command execution failed
 :debug:configure     while executing
 :debug:configure "$procedure $targetname"
 :error:configure See
 /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/main.log
 for details.
 version:1
 :debug:main Starting logging for isl @0.24_1+universal
 :debug:sysinfo macOS 11.6 (darwin/20.6.0) arch i386
 :debug:sysinfo MacPorts 2.7.1
 :debug:sysinfo Xcode 13.1
 :debug:sysinfo SDK 11
 :debug:sysinfo MACOSX_DEPLOYMENT_TARGET: 11.0
 :msg:main --->  Computing dependencies for isl:info:main .:debug:main isl
 has no conflicts
 :debug:main Searching for dependency: gmp
 :debug:main Found Dependency: receipt exists for gmp
 :debug:main Executing org.macports.main (isl)
 :debug:main dropping privileges: euid changed to 503, egid changed to 501.
 :debug:archivefetch archivefetch phase started at Thu Jan  6 19:31:21 CET
 2022
 :msg:archivefetch --->  Fetching archive for isl
 :debug:archivefetch Executing org.macports.archivefetch (isl)
 :debug:archivefetch euid/egid changed to: 0/0
 :debug:archivefetch chowned /opt/local/var/macports/incoming to macports
 :debug:archivefetch euid/egid changed to: 503/501
 :info:archivefetch --->  isl-0.24_1+universal.darwin_20.arm64-x86_64.tbz2
 doesn't seem to exist in /opt/local/var/macports/incoming/verified
 :msg:archivefetch --->  Attempting to fetch
 isl-0.24_1+universal.darwin_20.arm64-x86_64.tbz2 from
 https://nue.de.packages.macports.org/isl
 :debug:archivefetch Fetching archive failed: The requested URL returned
 error: 404 Not Found
 :msg:archivefetch --->  Attempting to fetch
 isl-0.24_1+universal.darwin_20.arm64-x86_64.tbz2 from
 https://fra.de.packages.macports.org/isl
 :debug:archivefetch Fetching archive failed: The requested URL returned
 error: 404 Not Found
 :msg:archivefetch --->  Attempting to fetch
 isl-0.24_1+universal.darwin_20.arm64-x86_64.tbz2 from
 https://mse.uk.packages.macports.org/isl
 :debug:archivefetch Fetching archive failed: The requested URL returned
 error: 404 Not Found
 :debug:archivefetch Privilege de-escalation not attempted as not running
 as root.
 :debug:archivefetch Skipping completed org.macports.fetch (isl)
 :debug:archivefetch Privilege de-escalation not attempted as not running
 as root.
 :debug:archivefetch Skipping completed org.macports.checksum (isl)
 :debug:archivefetch Privilege de-escalation not attempted as not running
 as root.
 :debug:archivefetch Skipping completed org.macports.extract (isl)
 :debug:archivefetch Privilege de-escalation not attempted as not running
 as root.
 :debug:archivefetch Skipping completed org.macports.patch (isl)
 :debug:archivefetch Privilege de-escalation not attempted as not running
 as root.
 :debug:configure configure phase started at Thu Jan  6 19:31:24 CET 2022
 :notice:configure --->  Configuring isl
 :debug:configure Preferred compilers: clang macports-clang-9.0 macports-
 clang-13 macports-clang-12 macports-clang-11 macports-clang-10
 :debug:configure Using compiler 'Xcode Clang'
 :debug:configure Executing org.macports.configure (isl)
 :info:configure --->  Configuring isl for architecture arm64
 :debug:configure setting option configure.dir to
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64
 :debug:configure setting option autoreconf.dir to
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64
 :debug:configure setting option autoconf.dir to
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64
 :debug:configure Environment:
 :debug:configure CC='/usr/bin/clang'
 :debug:configure CC_PRINT_OPTIONS='YES'
 :debug:configure
 CC_PRINT_OPTIONS_FILE='/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/.CC_PRINT_OPTIONS'
 :debug:configure CFLAGS='-pipe -Os -arch arm64
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :debug:configure CPATH='/opt/local/include'
 :debug:configure CPPFLAGS='-I/opt/local/include
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :debug:configure CXX='/usr/bin/clang++'
 :debug:configure CXXFLAGS='-pipe -Os -arch arm64 -stdlib=libc++
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :debug:configure DEVELOPER_DIR='/Library/Developer/CommandLineTools'
 :debug:configure F90FLAGS='-pipe -Os'
 :debug:configure FCFLAGS='-pipe -Os'
 :debug:configure FFLAGS='-pipe -Os'
 :debug:configure INSTALL='/usr/bin/install -c'
 :debug:configure LDFLAGS='-L/opt/local/lib
 -Wl,-headerpad_max_install_names -arch arm64
 -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :debug:configure LIBRARY_PATH='/opt/local/lib'
 :debug:configure MACOSX_DEPLOYMENT_TARGET='11.0'
 :debug:configure OBJC='/usr/bin/clang'
 :debug:configure OBJCFLAGS='-pipe -Os -arch arm64
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :debug:configure OBJCXX='/usr/bin/clang++'
 :debug:configure OBJCXXFLAGS='-pipe -Os -stdlib=libc++
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :debug:configure
 SDKROOT='/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :info:configure Executing:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64"
 && ./configure --prefix=/opt/local --disable-silent-rules
 CC_FOR_BUILD=/usr/bin/clang LDFLAGS_FOR_BUILD="$LDFLAGS"
 CPPFLAGS_FOR_BUILD="$CPPFLAGS" CFLAGS_FOR_BUILD="$CFLAGS" --host=aarch64
 -apple-darwin20.6.0
 :debug:configure system:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64"
 && ./configure --prefix=/opt/local --disable-silent-rules
 CC_FOR_BUILD=/usr/bin/clang LDFLAGS_FOR_BUILD="$LDFLAGS"
 CPPFLAGS_FOR_BUILD="$CPPFLAGS" CFLAGS_FOR_BUILD="$CFLAGS" --host=aarch64
 -apple-darwin20.6.0
 :info:configure checking for a BSD-compatible install... /usr/bin/install
 -c
 :info:configure checking whether build environment is sane... yes
 :info:configure checking for aarch64-apple-darwin20.6.0-strip... no
 :info:configure checking for strip... strip
 :info:configure checking for a thread-safe mkdir -p... ./install-sh -c -d
 :info:configure checking for gawk... gawk
 :info:configure checking whether make sets $(MAKE)... yes
 :info:configure checking whether make supports nested variables... yes
 :info:configure checking whether make supports nested variables...
 (cached) yes
 :info:configure checking for aarch64-apple-darwin20.6.0-gcc...
 /usr/bin/clang
 :info:configure checking whether the C compiler works... yes
 :info:configure checking for C compiler default output file name... a.out
 :info:configure checking for suffix of executables...
 :info:configure checking whether we are cross compiling... yes
 :info:configure checking for suffix of object files... o
 :info:configure checking whether we are using the GNU C compiler... yes
 :info:configure checking whether /usr/bin/clang accepts -g... yes
 :info:configure checking for /usr/bin/clang option to accept ISO C89...
 none needed
 :info:configure checking whether /usr/bin/clang understands -c and -o
 together... yes
 :info:configure checking whether make supports the include directive...
 yes (GNU style)
 :info:configure checking dependency style of /usr/bin/clang... gcc3
 :info:configure checking whether we are using the GNU C++ compiler... yes
 :info:configure checking whether /usr/bin/clang++ accepts -g... yes
 :info:configure checking dependency style of /usr/bin/clang++... gcc3
 :info:configure checking how to run the C preprocessor... /usr/bin/clang
 -E
 :info:configure checking build system type... x86_64-apple-darwin20.6.0
 :info:configure checking for x86_64-apple-darwin20.6.0-gcc...
 /usr/bin/clang
 :info:configure checking whether we are using the GNU C compiler...
 (cached) yes
 :info:configure ./configure: line 5363: test: =: unary operator expected
 :info:configure checking whether /usr/bin/clang accepts -g... yes
 :info:configure checking for /usr/bin/clang option to accept ISO C89...
 none needed
 :info:configure checking whether /usr/bin/clang understands -c and -o
 together... yes
 :info:configure checking dependency style of /usr/bin/clang... gcc3
 :info:configure checking whether the C compiler works... yes
 :info:configure checking for C compiler default output file name... a.out
 :info:configure checking for suffix of executables...
 :info:configure checking whether we are cross compiling... configure:
 error: in
 `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64':
 :info:configure configure: error: cannot run C compiled programs.
 :info:configure If you meant to cross compile, use `--build'.
 :info:configure See `config.log' for more details
 :info:configure Command failed:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64"
 && ./configure --prefix=/opt/local --disable-silent-rules
 CC_FOR_BUILD=/usr/bin/clang LDFLAGS_FOR_BUILD="$LDFLAGS"
 CPPFLAGS_FOR_BUILD="$CPPFLAGS" CFLAGS_FOR_BUILD="$CFLAGS" --host=aarch64
 -apple-darwin20.6.0
 :info:configure Exit code: 1
 :error:configure Failed to configure isl: consult
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64/config.log
 :error:configure Failed to configure isl: configure failure: command
 execution failed
 :debug:configure Error code: NONE
 :debug:configure Backtrace: configure failure: command execution failed
 :debug:configure     while executing
 :debug:configure "$procedure $targetname"
 :error:configure See
 /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/main.log
 for details.
 version:1
 :debug:main Starting logging for isl @0.24_1+universal
 :debug:sysinfo macOS 11.6 (darwin/20.6.0) arch i386
 :debug:sysinfo MacPorts 2.7.1
 :debug:sysinfo Xcode 13.1
 :debug:sysinfo SDK 11
 :debug:sysinfo MACOSX_DEPLOYMENT_TARGET: 11.0
 :msg:main --->  Computing dependencies for isl:info:main .:debug:main isl
 has no conflicts
 :debug:main Searching for dependency: gmp
 :debug:main Found Dependency: receipt exists for gmp
 :debug:main Executing org.macports.main (isl)
 :debug:main dropping privileges: euid changed to 503, egid changed to 501.
 :debug:archivefetch archivefetch phase started at Tue Jan 11 02:03:37 CET
 2022
 :msg:archivefetch --->  Fetching archive for isl
 :debug:archivefetch Executing org.macports.archivefetch (isl)
 :debug:archivefetch euid/egid changed to: 0/0
 :debug:archivefetch chowned /opt/local/var/macports/incoming to macports
 :debug:archivefetch euid/egid changed to: 503/501
 :info:archivefetch --->  isl-0.24_1+universal.darwin_20.arm64-x86_64.tbz2
 doesn't seem to exist in /opt/local/var/macports/incoming/verified
 :msg:archivefetch --->  Attempting to fetch
 isl-0.24_1+universal.darwin_20.arm64-x86_64.tbz2 from
 https://nue.de.packages.macports.org/isl
 :debug:archivefetch Fetching archive failed: The requested URL returned
 error: 404 Not Found
 :msg:archivefetch --->  Attempting to fetch
 isl-0.24_1+universal.darwin_20.arm64-x86_64.tbz2 from
 https://packages.macports.org/isl
 :debug:archivefetch Fetching archive failed: The requested URL returned
 error: 404
 :msg:archivefetch --->  Attempting to fetch
 isl-0.24_1+universal.darwin_20.arm64-x86_64.tbz2 from
 https://fra.de.packages.macports.org/isl
 :debug:archivefetch Fetching archive failed: The requested URL returned
 error: 404 Not Found
 :debug:archivefetch Privilege de-escalation not attempted as not running
 as root.
 :debug:archivefetch Skipping completed org.macports.fetch (isl)
 :debug:archivefetch Privilege de-escalation not attempted as not running
 as root.
 :debug:archivefetch Skipping completed org.macports.checksum (isl)
 :debug:archivefetch Privilege de-escalation not attempted as not running
 as root.
 :debug:archivefetch Skipping completed org.macports.extract (isl)
 :debug:archivefetch Privilege de-escalation not attempted as not running
 as root.
 :debug:archivefetch Skipping completed org.macports.patch (isl)
 :debug:archivefetch Privilege de-escalation not attempted as not running
 as root.
 :debug:configure configure phase started at Tue Jan 11 02:03:40 CET 2022
 :notice:configure --->  Configuring isl
 :debug:configure Preferred compilers: clang macports-clang-9.0 macports-
 clang-13 macports-clang-12 macports-clang-11 macports-clang-10
 :debug:configure Using compiler 'Xcode Clang'
 :debug:configure Executing org.macports.configure (isl)
 :info:configure --->  Configuring isl for architecture arm64
 :debug:configure setting option configure.dir to
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64
 :debug:configure setting option autoreconf.dir to
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64
 :debug:configure setting option autoconf.dir to
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64
 :debug:configure Environment:
 :debug:configure CC='/usr/bin/clang'
 :debug:configure CC_PRINT_OPTIONS='YES'
 :debug:configure
 CC_PRINT_OPTIONS_FILE='/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/.CC_PRINT_OPTIONS'
 :debug:configure CFLAGS='-pipe -Os -arch arm64
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :debug:configure CPATH='/opt/local/include'
 :debug:configure CPPFLAGS='-I/opt/local/include
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :debug:configure CXX='/usr/bin/clang++'
 :debug:configure CXXFLAGS='-pipe -Os -arch arm64 -stdlib=libc++
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :debug:configure DEVELOPER_DIR='/Library/Developer/CommandLineTools'
 :debug:configure F90FLAGS='-pipe -Os'
 :debug:configure FCFLAGS='-pipe -Os'
 :debug:configure FFLAGS='-pipe -Os'
 :debug:configure INSTALL='/usr/bin/install -c'
 :debug:configure LDFLAGS='-L/opt/local/lib
 -Wl,-headerpad_max_install_names -arch arm64
 -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :debug:configure LIBRARY_PATH='/opt/local/lib'
 :debug:configure MACOSX_DEPLOYMENT_TARGET='11.0'
 :debug:configure OBJC='/usr/bin/clang'
 :debug:configure OBJCFLAGS='-pipe -Os -arch arm64
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :debug:configure OBJCXX='/usr/bin/clang++'
 :debug:configure OBJCXXFLAGS='-pipe -Os -stdlib=libc++
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :debug:configure
 SDKROOT='/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :info:configure Executing:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64"
 && ./configure --prefix=/opt/local --disable-silent-rules
 CC_FOR_BUILD=/usr/bin/clang LDFLAGS_FOR_BUILD="$LDFLAGS"
 CPPFLAGS_FOR_BUILD="$CPPFLAGS" CFLAGS_FOR_BUILD="$CFLAGS" --host=aarch64
 -apple-darwin20.6.0
 :debug:configure system:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64"
 && ./configure --prefix=/opt/local --disable-silent-rules
 CC_FOR_BUILD=/usr/bin/clang LDFLAGS_FOR_BUILD="$LDFLAGS"
 CPPFLAGS_FOR_BUILD="$CPPFLAGS" CFLAGS_FOR_BUILD="$CFLAGS" --host=aarch64
 -apple-darwin20.6.0
 :info:configure checking for a BSD-compatible install... /usr/bin/install
 -c
 :info:configure checking whether build environment is sane... yes
 :info:configure checking for aarch64-apple-darwin20.6.0-strip... no
 :info:configure checking for strip... strip
 :info:configure checking for a thread-safe mkdir -p... ./install-sh -c -d
 :info:configure checking for gawk... gawk
 :info:configure checking whether make sets $(MAKE)... yes
 :info:configure checking whether make supports nested variables... yes
 :info:configure checking whether make supports nested variables...
 (cached) yes
 :info:configure checking for aarch64-apple-darwin20.6.0-gcc...
 /usr/bin/clang
 :info:configure checking whether the C compiler works... yes
 :info:configure checking for C compiler default output file name... a.out
 :info:configure checking for suffix of executables...
 :info:configure checking whether we are cross compiling... yes
 :info:configure checking for suffix of object files... o
 :info:configure checking whether we are using the GNU C compiler... yes
 :info:configure checking whether /usr/bin/clang accepts -g... yes
 :info:configure checking for /usr/bin/clang option to accept ISO C89...
 none needed
 :info:configure checking whether /usr/bin/clang understands -c and -o
 together... yes
 :info:configure checking whether make supports the include directive...
 yes (GNU style)
 :info:configure checking dependency style of /usr/bin/clang... gcc3
 :info:configure checking whether we are using the GNU C++ compiler... yes
 :info:configure checking whether /usr/bin/clang++ accepts -g... yes
 :info:configure checking dependency style of /usr/bin/clang++... gcc3
 :info:configure checking how to run the C preprocessor... /usr/bin/clang
 -E
 :info:configure checking build system type... x86_64-apple-darwin20.6.0
 :info:configure checking for x86_64-apple-darwin20.6.0-gcc...
 /usr/bin/clang
 :info:configure checking whether we are using the GNU C compiler...
 (cached) yes
 :info:configure ./configure: line 5363: test: =: unary operator expected
 :info:configure checking whether /usr/bin/clang accepts -g... yes
 :info:configure checking for /usr/bin/clang option to accept ISO C89...
 none needed
 :info:configure checking whether /usr/bin/clang understands -c and -o
 together... yes
 :info:configure checking dependency style of /usr/bin/clang... gcc3
 :info:configure checking whether the C compiler works... yes
 :info:configure checking for C compiler default output file name... a.out
 :info:configure checking for suffix of executables...
 :info:configure checking whether we are cross compiling... configure:
 error: in
 `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64':
 :info:configure configure: error: cannot run C compiled programs.
 :info:configure If you meant to cross compile, use `--build'.
 :info:configure See `config.log' for more details
 :info:configure Command failed:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64"
 && ./configure --prefix=/opt/local --disable-silent-rules
 CC_FOR_BUILD=/usr/bin/clang LDFLAGS_FOR_BUILD="$LDFLAGS"
 CPPFLAGS_FOR_BUILD="$CPPFLAGS" CFLAGS_FOR_BUILD="$CFLAGS" --host=aarch64
 -apple-darwin20.6.0
 :info:configure Exit code: 1
 :error:configure Failed to configure isl: consult
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64/config.log
 :error:configure Failed to configure isl: configure failure: command
 execution failed
 :debug:configure Error code: NONE
 :debug:configure Backtrace: configure failure: command execution failed
 :debug:configure     while executing
 :debug:configure "$procedure $targetname"
 :error:configure See
 /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/main.log
 for details.
 version:1
 :debug:main Starting logging for isl @0.24_1+universal
 :debug:sysinfo macOS 11.6 (darwin/20.6.0) arch i386
 :debug:sysinfo MacPorts 2.7.1
 :debug:sysinfo Xcode 13.1
 :debug:sysinfo SDK 11
 :debug:sysinfo MACOSX_DEPLOYMENT_TARGET: 11.0
 :msg:main --->  Computing dependencies for isl:info:main .:debug:main isl
 has no conflicts
 :debug:main Searching for dependency: gmp
 :debug:main Found Dependency: receipt exists for gmp
 :debug:main Executing org.macports.main (isl)
 :debug:main dropping privileges: euid changed to 503, egid changed to 501.
 :debug:archivefetch archivefetch phase started at Tue Jan 11 02:21:06 CET
 2022
 :msg:archivefetch --->  Fetching archive for isl
 :debug:archivefetch Executing org.macports.archivefetch (isl)
 :debug:archivefetch euid/egid changed to: 0/0
 :debug:archivefetch chowned /opt/local/var/macports/incoming to macports
 :debug:archivefetch euid/egid changed to: 503/501
 :info:archivefetch --->  isl-0.24_1+universal.darwin_20.arm64-x86_64.tbz2
 doesn't seem to exist in /opt/local/var/macports/incoming/verified
 :msg:archivefetch --->  Attempting to fetch
 isl-0.24_1+universal.darwin_20.arm64-x86_64.tbz2 from
 https://nue.de.packages.macports.org/isl
 :debug:archivefetch Fetching archive failed: The requested URL returned
 error: 404 Not Found
 :msg:archivefetch --->  Attempting to fetch
 isl-0.24_1+universal.darwin_20.arm64-x86_64.tbz2 from
 https://packages.macports.org/isl
 :debug:archivefetch Fetching archive failed: The requested URL returned
 error: 404
 :msg:archivefetch --->  Attempting to fetch
 isl-0.24_1+universal.darwin_20.arm64-x86_64.tbz2 from
 https://fra.de.packages.macports.org/isl
 :debug:archivefetch Fetching archive failed: The requested URL returned
 error: 404 Not Found
 :debug:archivefetch Privilege de-escalation not attempted as not running
 as root.
 :debug:archivefetch Skipping completed org.macports.fetch (isl)
 :debug:archivefetch Privilege de-escalation not attempted as not running
 as root.
 :debug:archivefetch Skipping completed org.macports.checksum (isl)
 :debug:archivefetch Privilege de-escalation not attempted as not running
 as root.
 :debug:archivefetch Skipping completed org.macports.extract (isl)
 :debug:archivefetch Privilege de-escalation not attempted as not running
 as root.
 :debug:archivefetch Skipping completed org.macports.patch (isl)
 :debug:archivefetch Privilege de-escalation not attempted as not running
 as root.
 :debug:configure configure phase started at Tue Jan 11 02:21:07 CET 2022
 :notice:configure --->  Configuring isl
 :debug:configure Preferred compilers: clang macports-clang-9.0 macports-
 clang-13 macports-clang-12 macports-clang-11 macports-clang-10
 :debug:configure Using compiler 'Xcode Clang'
 :debug:configure Executing org.macports.configure (isl)
 :info:configure --->  Configuring isl for architecture arm64
 :debug:configure setting option configure.dir to
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64
 :debug:configure setting option autoreconf.dir to
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64
 :debug:configure setting option autoconf.dir to
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64
 :debug:configure Environment:
 :debug:configure CC='/usr/bin/clang'
 :debug:configure CC_PRINT_OPTIONS='YES'
 :debug:configure
 CC_PRINT_OPTIONS_FILE='/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/.CC_PRINT_OPTIONS'
 :debug:configure CFLAGS='-pipe -Os -arch arm64
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :debug:configure CPATH='/opt/local/include'
 :debug:configure CPPFLAGS='-I/opt/local/include
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :debug:configure CXX='/usr/bin/clang++'
 :debug:configure CXXFLAGS='-pipe -Os -arch arm64 -stdlib=libc++
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :debug:configure DEVELOPER_DIR='/Library/Developer/CommandLineTools'
 :debug:configure F90FLAGS='-pipe -Os'
 :debug:configure FCFLAGS='-pipe -Os'
 :debug:configure FFLAGS='-pipe -Os'
 :debug:configure INSTALL='/usr/bin/install -c'
 :debug:configure LDFLAGS='-L/opt/local/lib
 -Wl,-headerpad_max_install_names -arch arm64
 -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :debug:configure LIBRARY_PATH='/opt/local/lib'
 :debug:configure MACOSX_DEPLOYMENT_TARGET='11.0'
 :debug:configure OBJC='/usr/bin/clang'
 :debug:configure OBJCFLAGS='-pipe -Os -arch arm64
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :debug:configure OBJCXX='/usr/bin/clang++'
 :debug:configure OBJCXXFLAGS='-pipe -Os -stdlib=libc++
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :debug:configure
 SDKROOT='/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :info:configure Executing:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64"
 && ./configure --prefix=/opt/local --disable-silent-rules
 CC_FOR_BUILD=/usr/bin/clang LDFLAGS_FOR_BUILD="$LDFLAGS"
 CPPFLAGS_FOR_BUILD="$CPPFLAGS" CFLAGS_FOR_BUILD="$CFLAGS" --host=aarch64
 -apple-darwin20.6.0
 :debug:configure system:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64"
 && ./configure --prefix=/opt/local --disable-silent-rules
 CC_FOR_BUILD=/usr/bin/clang LDFLAGS_FOR_BUILD="$LDFLAGS"
 CPPFLAGS_FOR_BUILD="$CPPFLAGS" CFLAGS_FOR_BUILD="$CFLAGS" --host=aarch64
 -apple-darwin20.6.0
 :info:configure checking for a BSD-compatible install... /usr/bin/install
 -c
 :info:configure checking whether build environment is sane... yes
 :info:configure checking for aarch64-apple-darwin20.6.0-strip... no
 :info:configure checking for strip... strip
 :info:configure checking for a thread-safe mkdir -p... ./install-sh -c -d
 :info:configure checking for gawk... gawk
 :info:configure checking whether make sets $(MAKE)... yes
 :info:configure checking whether make supports nested variables... yes
 :info:configure checking whether make supports nested variables...
 (cached) yes
 :info:configure checking for aarch64-apple-darwin20.6.0-gcc...
 /usr/bin/clang
 :info:configure checking whether the C compiler works... yes
 :info:configure checking for C compiler default output file name... a.out
 :info:configure checking for suffix of executables...
 :info:configure checking whether we are cross compiling... yes
 :info:configure checking for suffix of object files... o
 :info:configure checking whether we are using the GNU C compiler... yes
 :info:configure checking whether /usr/bin/clang accepts -g... yes
 :info:configure checking for /usr/bin/clang option to accept ISO C89...
 none needed
 :info:configure checking whether /usr/bin/clang understands -c and -o
 together... yes
 :info:configure checking whether make supports the include directive...
 yes (GNU style)
 :info:configure checking dependency style of /usr/bin/clang... gcc3
 :info:configure checking whether we are using the GNU C++ compiler... yes
 :info:configure checking whether /usr/bin/clang++ accepts -g... yes
 :info:configure checking dependency style of /usr/bin/clang++... gcc3
 :info:configure checking how to run the C preprocessor... /usr/bin/clang
 -E
 :info:configure checking build system type... x86_64-apple-darwin20.6.0
 :info:configure checking for x86_64-apple-darwin20.6.0-gcc...
 /usr/bin/clang
 :info:configure checking whether we are using the GNU C compiler...
 (cached) yes
 :info:configure ./configure: line 5363: test: =: unary operator expected
 :info:configure checking whether /usr/bin/clang accepts -g... yes
 :info:configure checking for /usr/bin/clang option to accept ISO C89...
 none needed
 :info:configure checking whether /usr/bin/clang understands -c and -o
 together... yes
 :info:configure checking dependency style of /usr/bin/clang... gcc3
 :info:configure checking whether the C compiler works... yes
 :info:configure checking for C compiler default output file name... a.out
 :info:configure checking for suffix of executables...
 :info:configure checking whether we are cross compiling... configure:
 error: in
 `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64':
 :info:configure configure: error: cannot run C compiled programs.
 :info:configure If you meant to cross compile, use `--build'.
 :info:configure See `config.log' for more details
 :info:configure Command failed:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64"
 && ./configure --prefix=/opt/local --disable-silent-rules
 CC_FOR_BUILD=/usr/bin/clang LDFLAGS_FOR_BUILD="$LDFLAGS"
 CPPFLAGS_FOR_BUILD="$CPPFLAGS" CFLAGS_FOR_BUILD="$CFLAGS" --host=aarch64
 -apple-darwin20.6.0
 :info:configure Exit code: 1
 :error:configure Failed to configure isl: consult
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64/config.log
 :error:configure Failed to configure isl: configure failure: command
 execution failed
 :debug:configure Error code: NONE
 :debug:configure Backtrace: configure failure: command execution failed
 :debug:configure     while executing
 :debug:configure "$procedure $targetname"
 :error:configure See
 /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/main.log
 for details.
 version:1
 :debug:main Starting logging for isl @0.24_1+universal
 :debug:sysinfo macOS 11.6 (darwin/20.6.0) arch i386
 :debug:sysinfo MacPorts 2.7.1
 :debug:sysinfo Xcode 13.1
 :debug:sysinfo SDK 11
 :debug:sysinfo MACOSX_DEPLOYMENT_TARGET: 11.0
 :msg:main --->  Computing dependencies for isl:info:main .:debug:main isl
 has no conflicts
 :debug:main Searching for dependency: gmp
 :debug:main Found Dependency: receipt exists for gmp
 :debug:main Executing org.macports.main (isl)
 :debug:main dropping privileges: euid changed to 503, egid changed to 501.
 :debug:archivefetch archivefetch phase started at Wed Jan 12 16:41:57 CET
 2022
 :msg:archivefetch --->  Fetching archive for isl
 :debug:archivefetch Executing org.macports.archivefetch (isl)
 :debug:archivefetch euid/egid changed to: 0/0
 :debug:archivefetch chowned /opt/local/var/macports/incoming to macports
 :debug:archivefetch euid/egid changed to: 503/501
 :info:archivefetch --->  isl-0.24_1+universal.darwin_20.arm64-x86_64.tbz2
 doesn't seem to exist in /opt/local/var/macports/incoming/verified
 :msg:archivefetch --->  Attempting to fetch
 isl-0.24_1+universal.darwin_20.arm64-x86_64.tbz2 from
 https://nue.de.packages.macports.org/isl
 :debug:archivefetch Fetching archive failed: The requested URL returned
 error: 404 Not Found
 :msg:archivefetch --->  Attempting to fetch
 isl-0.24_1+universal.darwin_20.arm64-x86_64.tbz2 from
 https://packages.macports.org/isl
 :debug:archivefetch Fetching archive failed: The requested URL returned
 error: 404
 :msg:archivefetch --->  Attempting to fetch
 isl-0.24_1+universal.darwin_20.arm64-x86_64.tbz2 from
 https://fra.de.packages.macports.org/isl
 :debug:archivefetch Fetching archive failed: The requested URL returned
 error: 404 Not Found
 :debug:archivefetch Privilege de-escalation not attempted as not running
 as root.
 :debug:archivefetch Skipping completed org.macports.fetch (isl)
 :debug:archivefetch Privilege de-escalation not attempted as not running
 as root.
 :debug:archivefetch Skipping completed org.macports.checksum (isl)
 :debug:archivefetch Privilege de-escalation not attempted as not running
 as root.
 :debug:archivefetch Skipping completed org.macports.extract (isl)
 :debug:archivefetch Privilege de-escalation not attempted as not running
 as root.
 :debug:archivefetch Skipping completed org.macports.patch (isl)
 :debug:archivefetch Privilege de-escalation not attempted as not running
 as root.
 :debug:configure configure phase started at Wed Jan 12 16:41:59 CET 2022
 :notice:configure --->  Configuring isl
 :debug:configure Preferred compilers: clang macports-clang-9.0 macports-
 clang-13 macports-clang-12 macports-clang-11 macports-clang-10
 :debug:configure Using compiler 'Xcode Clang'
 :debug:configure Executing org.macports.configure (isl)
 :info:configure --->  Configuring isl for architecture arm64
 :debug:configure setting option configure.dir to
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64
 :debug:configure setting option autoreconf.dir to
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64
 :debug:configure setting option autoconf.dir to
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64
 :debug:configure Environment:
 :debug:configure CC='/usr/bin/clang'
 :debug:configure CC_PRINT_OPTIONS='YES'
 :debug:configure
 CC_PRINT_OPTIONS_FILE='/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/.CC_PRINT_OPTIONS'
 :debug:configure CFLAGS='-pipe -Os -arch arm64
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :debug:configure CPATH='/opt/local/include'
 :debug:configure CPPFLAGS='-I/opt/local/include
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :debug:configure CXX='/usr/bin/clang++'
 :debug:configure CXXFLAGS='-pipe -Os -arch arm64 -stdlib=libc++
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :debug:configure DEVELOPER_DIR='/Library/Developer/CommandLineTools'
 :debug:configure F90FLAGS='-pipe -Os'
 :debug:configure FCFLAGS='-pipe -Os'
 :debug:configure FFLAGS='-pipe -Os'
 :debug:configure INSTALL='/usr/bin/install -c'
 :debug:configure LDFLAGS='-L/opt/local/lib
 -Wl,-headerpad_max_install_names -arch arm64
 -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :debug:configure LIBRARY_PATH='/opt/local/lib'
 :debug:configure MACOSX_DEPLOYMENT_TARGET='11.0'
 :debug:configure OBJC='/usr/bin/clang'
 :debug:configure OBJCFLAGS='-pipe -Os -arch arm64
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :debug:configure OBJCXX='/usr/bin/clang++'
 :debug:configure OBJCXXFLAGS='-pipe -Os -stdlib=libc++
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :debug:configure
 SDKROOT='/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :info:configure Executing:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64"
 && ./configure --prefix=/opt/local --disable-silent-rules
 CC_FOR_BUILD=/usr/bin/clang LDFLAGS_FOR_BUILD="$LDFLAGS"
 CPPFLAGS_FOR_BUILD="$CPPFLAGS" CFLAGS_FOR_BUILD="$CFLAGS" --host=aarch64
 -apple-darwin20.6.0
 :debug:configure system:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64"
 && ./configure --prefix=/opt/local --disable-silent-rules
 CC_FOR_BUILD=/usr/bin/clang LDFLAGS_FOR_BUILD="$LDFLAGS"
 CPPFLAGS_FOR_BUILD="$CPPFLAGS" CFLAGS_FOR_BUILD="$CFLAGS" --host=aarch64
 -apple-darwin20.6.0
 :info:configure checking for a BSD-compatible install... /usr/bin/install
 -c
 :info:configure checking whether build environment is sane... yes
 :info:configure checking for aarch64-apple-darwin20.6.0-strip... no
 :info:configure checking for strip... strip
 :info:configure checking for a thread-safe mkdir -p... ./install-sh -c -d
 :info:configure checking for gawk... gawk
 :info:configure checking whether make sets $(MAKE)... yes
 :info:configure checking whether make supports nested variables... yes
 :info:configure checking whether make supports nested variables...
 (cached) yes
 :info:configure checking for aarch64-apple-darwin20.6.0-gcc...
 /usr/bin/clang
 :info:configure checking whether the C compiler works... yes
 :info:configure checking for C compiler default output file name... a.out
 :info:configure checking for suffix of executables...
 :info:configure checking whether we are cross compiling... yes
 :info:configure checking for suffix of object files... o
 :info:configure checking whether we are using the GNU C compiler... yes
 :info:configure checking whether /usr/bin/clang accepts -g... yes
 :info:configure checking for /usr/bin/clang option to accept ISO C89...
 none needed
 :info:configure checking whether /usr/bin/clang understands -c and -o
 together... yes
 :info:configure checking whether make supports the include directive...
 yes (GNU style)
 :info:configure checking dependency style of /usr/bin/clang... gcc3
 :info:configure checking whether we are using the GNU C++ compiler... yes
 :info:configure checking whether /usr/bin/clang++ accepts -g... yes
 :info:configure checking dependency style of /usr/bin/clang++... gcc3
 :info:configure checking how to run the C preprocessor... /usr/bin/clang
 -E
 :info:configure checking build system type... x86_64-apple-darwin20.6.0
 :info:configure checking for x86_64-apple-darwin20.6.0-gcc...
 /usr/bin/clang
 :info:configure checking whether we are using the GNU C compiler...
 (cached) yes
 :info:configure ./configure: line 5363: test: =: unary operator expected
 :info:configure checking whether /usr/bin/clang accepts -g... yes
 :info:configure checking for /usr/bin/clang option to accept ISO C89...
 none needed
 :info:configure checking whether /usr/bin/clang understands -c and -o
 together... yes
 :info:configure checking dependency style of /usr/bin/clang... gcc3
 :info:configure checking whether the C compiler works... yes
 :info:configure checking for C compiler default output file name... a.out
 :info:configure checking for suffix of executables...
 :info:configure checking whether we are cross compiling... configure:
 error: in
 `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64':
 :info:configure configure: error: cannot run C compiled programs.
 :info:configure If you meant to cross compile, use `--build'.
 :info:configure See `config.log' for more details
 :info:configure Command failed:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64"
 && ./configure --prefix=/opt/local --disable-silent-rules
 CC_FOR_BUILD=/usr/bin/clang LDFLAGS_FOR_BUILD="$LDFLAGS"
 CPPFLAGS_FOR_BUILD="$CPPFLAGS" CFLAGS_FOR_BUILD="$CFLAGS" --host=aarch64
 -apple-darwin20.6.0
 :info:configure Exit code: 1
 :error:configure Failed to configure isl: consult
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64/config.log
 :error:configure Failed to configure isl: configure failure: command
 execution failed
 :debug:configure Error code: NONE
 :debug:configure Backtrace: configure failure: command execution failed
 :debug:configure     while executing
 :debug:configure "$procedure $targetname"
 :error:configure See
 /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/main.log
 for details.
 version:1
 :debug:main Starting logging for isl @0.24_1+universal
 :debug:sysinfo macOS 11.6 (darwin/20.6.0) arch i386
 :debug:sysinfo MacPorts 2.7.1
 :debug:sysinfo Xcode 13.1
 :debug:sysinfo SDK 11
 :debug:sysinfo MACOSX_DEPLOYMENT_TARGET: 11.0
 :debug:main epoch: in tree: 0 installed: 0
 :debug:main gmp 6.2.1_0 exists in the ports tree
 :debug:main gmp 6.2.1_0  is the latest installed
 :debug:main gmp 6.2.1_0 +universal is active
 :debug:main Merging existing requested variants '+universal' into variants
 :debug:main new fully merged portvariants: universal +
 :debug:main Changing to port directory:
 /opt/local/var/macports/sources/rsync.macports.org/macports/release/tarballs/ports/devel/gmp
 :debug:main OS darwin/20.6.0 (macOS 11.6) arch i386
 :debug:main Sourcing PortGroup muniversal 1.0 from
 /opt/local/var/macports/sources/rsync.macports.org/macports/release/tarballs/ports/_resources/port1.0/group/muniversal-1.0.tcl
 :debug:main Sourcing PortGroup cltversion 1.0 from
 /opt/local/var/macports/sources/rsync.macports.org/macports/release/tarballs/ports/_resources/port1.0/group/cltversion-1.0.tcl
 :debug:main Sourcing PortGroup xcode_workaround 1.0 from
 /opt/local/var/macports/sources/rsync.macports.org/macports/release/tarballs/ports/_resources/port1.0/group/xcode_workaround-1.0.tcl
 :debug:main muniversal: adding universal variant
 :debug:main Reading variant descriptions from
 /opt/local/var/macports/sources/rsync.macports.org/macports/release/tarballs/ports/_resources/port1.0/variant_descriptions.conf
 :debug:main Executing variant universal provides universal
 :debug:main Running callback
 portconfigure::add_automatic_compiler_dependencies
 :debug:main Finished running callback
 portconfigure::add_automatic_compiler_dependencies
 :debug:main Running callback
 portbuild::add_automatic_buildsystem_dependencies
 :debug:main Finished running callback
 portbuild::add_automatic_buildsystem_dependencies
 :debug:main Running callback portstartupitem::add_notes
 :debug:main Finished running callback portstartupitem::add_notes
 :debug:main Running callback xcode_workaround::xcode_workaround.appy_fix
 :debug:main Finished running callback
 xcode_workaround::xcode_workaround.appy_fix
 :debug:main No need to upgrade! gmp 6.2.1_0 >= gmp 6.2.1_0
 :msg:main --->  Computing dependencies for isl:info:main .:debug:main isl
 has no conflicts
 :debug:main Searching for dependency: gmp
 :debug:main Found Dependency: receipt exists for gmp
 :debug:main Executing org.macports.main (isl)
 :debug:main dropping privileges: euid changed to 503, egid changed to 501.
 :debug:archivefetch archivefetch phase started at Wed Jan 12 16:45:50 CET
 2022
 :msg:archivefetch --->  Fetching archive for isl
 :debug:archivefetch Executing org.macports.archivefetch (isl)
 :debug:archivefetch euid/egid changed to: 0/0
 :debug:archivefetch chowned /opt/local/var/macports/incoming to macports
 :debug:archivefetch euid/egid changed to: 503/501
 :info:archivefetch --->  isl-0.24_1+universal.darwin_20.arm64-x86_64.tbz2
 doesn't seem to exist in /opt/local/var/macports/incoming/verified
 :msg:archivefetch --->  Attempting to fetch
 isl-0.24_1+universal.darwin_20.arm64-x86_64.tbz2 from
 https://nue.de.packages.macports.org/isl
 :debug:archivefetch Fetching archive failed: The requested URL returned
 error: 404 Not Found
 :msg:archivefetch --->  Attempting to fetch
 isl-0.24_1+universal.darwin_20.arm64-x86_64.tbz2 from
 https://packages.macports.org/isl
 :debug:archivefetch Fetching archive failed: The requested URL returned
 error: 404
 :msg:archivefetch --->  Attempting to fetch
 isl-0.24_1+universal.darwin_20.arm64-x86_64.tbz2 from
 https://fra.de.packages.macports.org/isl
 :debug:archivefetch Fetching archive failed: The requested URL returned
 error: 404 Not Found
 :debug:archivefetch Privilege de-escalation not attempted as not running
 as root.
 :debug:archivefetch Skipping completed org.macports.fetch (isl)
 :debug:archivefetch Privilege de-escalation not attempted as not running
 as root.
 :debug:archivefetch Skipping completed org.macports.checksum (isl)
 :debug:archivefetch Privilege de-escalation not attempted as not running
 as root.
 :debug:archivefetch Skipping completed org.macports.extract (isl)
 :debug:archivefetch Privilege de-escalation not attempted as not running
 as root.
 :debug:archivefetch Skipping completed org.macports.patch (isl)
 :debug:archivefetch Privilege de-escalation not attempted as not running
 as root.
 :debug:configure configure phase started at Wed Jan 12 16:45:50 CET 2022
 :notice:configure --->  Configuring isl
 :debug:configure Preferred compilers: clang macports-clang-9.0 macports-
 clang-13 macports-clang-12 macports-clang-11 macports-clang-10
 :debug:configure Using compiler 'Xcode Clang'
 :debug:configure Executing org.macports.configure (isl)
 :info:configure --->  Configuring isl for architecture arm64
 :debug:configure setting option configure.dir to
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64
 :debug:configure setting option autoreconf.dir to
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64
 :debug:configure setting option autoconf.dir to
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64
 :debug:configure Environment:
 :debug:configure CC='/usr/bin/clang'
 :debug:configure CC_PRINT_OPTIONS='YES'
 :debug:configure
 CC_PRINT_OPTIONS_FILE='/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/.CC_PRINT_OPTIONS'
 :debug:configure CFLAGS='-pipe -Os -arch arm64
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :debug:configure CPATH='/opt/local/include'
 :debug:configure CPPFLAGS='-I/opt/local/include
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :debug:configure CXX='/usr/bin/clang++'
 :debug:configure CXXFLAGS='-pipe -Os -arch arm64 -stdlib=libc++
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :debug:configure DEVELOPER_DIR='/Library/Developer/CommandLineTools'
 :debug:configure F90FLAGS='-pipe -Os'
 :debug:configure FCFLAGS='-pipe -Os'
 :debug:configure FFLAGS='-pipe -Os'
 :debug:configure INSTALL='/usr/bin/install -c'
 :debug:configure LDFLAGS='-L/opt/local/lib
 -Wl,-headerpad_max_install_names -arch arm64
 -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :debug:configure LIBRARY_PATH='/opt/local/lib'
 :debug:configure MACOSX_DEPLOYMENT_TARGET='11.0'
 :debug:configure OBJC='/usr/bin/clang'
 :debug:configure OBJCFLAGS='-pipe -Os -arch arm64
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :debug:configure OBJCXX='/usr/bin/clang++'
 :debug:configure OBJCXXFLAGS='-pipe -Os -stdlib=libc++
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :debug:configure
 SDKROOT='/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 :info:configure Executing:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64"
 && ./configure --prefix=/opt/local --disable-silent-rules
 CC_FOR_BUILD=/usr/bin/clang LDFLAGS_FOR_BUILD="$LDFLAGS"
 CPPFLAGS_FOR_BUILD="$CPPFLAGS" CFLAGS_FOR_BUILD="$CFLAGS" --host=aarch64
 -apple-darwin20.6.0
 :debug:configure system:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64"
 && ./configure --prefix=/opt/local --disable-silent-rules
 CC_FOR_BUILD=/usr/bin/clang LDFLAGS_FOR_BUILD="$LDFLAGS"
 CPPFLAGS_FOR_BUILD="$CPPFLAGS" CFLAGS_FOR_BUILD="$CFLAGS" --host=aarch64
 -apple-darwin20.6.0
 :info:configure checking for a BSD-compatible install... /usr/bin/install
 -c
 :info:configure checking whether build environment is sane... yes
 :info:configure checking for aarch64-apple-darwin20.6.0-strip... no
 :info:configure checking for strip... strip
 :info:configure checking for a thread-safe mkdir -p... ./install-sh -c -d
 :info:configure checking for gawk... gawk
 :info:configure checking whether make sets $(MAKE)... yes
 :info:configure checking whether make supports nested variables... yes
 :info:configure checking whether make supports nested variables...
 (cached) yes
 :info:configure checking for aarch64-apple-darwin20.6.0-gcc...
 /usr/bin/clang
 :info:configure checking whether the C compiler works... yes
 :info:configure checking for C compiler default output file name... a.out
 :info:configure checking for suffix of executables...
 :info:configure checking whether we are cross compiling... yes
 :info:configure checking for suffix of object files... o
 :info:configure checking whether we are using the GNU C compiler... yes
 :info:configure checking whether /usr/bin/clang accepts -g... yes
 :info:configure checking for /usr/bin/clang option to accept ISO C89...
 none needed
 :info:configure checking whether /usr/bin/clang understands -c and -o
 together... yes
 :info:configure checking whether make supports the include directive...
 yes (GNU style)
 :info:configure checking dependency style of /usr/bin/clang... gcc3
 :info:configure checking whether we are using the GNU C++ compiler... yes
 :info:configure checking whether /usr/bin/clang++ accepts -g... yes
 :info:configure checking dependency style of /usr/bin/clang++... gcc3
 :info:configure checking how to run the C preprocessor... /usr/bin/clang
 -E
 :info:configure checking build system type... x86_64-apple-darwin20.6.0
 :info:configure checking for x86_64-apple-darwin20.6.0-gcc...
 /usr/bin/clang
 :info:configure checking whether we are using the GNU C compiler...
 (cached) yes
 :info:configure ./configure: line 5363: test: =: unary operator expected
 :info:configure checking whether /usr/bin/clang accepts -g... yes
 :info:configure checking for /usr/bin/clang option to accept ISO C89...
 none needed
 :info:configure checking whether /usr/bin/clang understands -c and -o
 together... yes
 :info:configure checking dependency style of /usr/bin/clang... gcc3
 :info:configure checking whether the C compiler works... yes
 :info:configure checking for C compiler default output file name... a.out
 :info:configure checking for suffix of executables...
 :info:configure checking whether we are cross compiling... configure:
 error: in
 `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64':
 :info:configure configure: error: cannot run C compiled programs.
 :info:configure If you meant to cross compile, use `--build'.
 :info:configure See `config.log' for more details
 :info:configure Command failed:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64"
 && ./configure --prefix=/opt/local --disable-silent-rules
 CC_FOR_BUILD=/usr/bin/clang LDFLAGS_FOR_BUILD="$LDFLAGS"
 CPPFLAGS_FOR_BUILD="$CPPFLAGS" CFLAGS_FOR_BUILD="$CFLAGS" --host=aarch64
 -apple-darwin20.6.0
 :info:configure Exit code: 1
 :error:configure Failed to configure isl: consult
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64/config.log
 :error:configure Failed to configure isl: configure failure: command
 execution failed
 :debug:configure Error code: NONE
 :debug:configure Backtrace: configure failure: command execution failed
 :debug:configure     while executing
 :debug:configure "$procedure $targetname"
 :error:configure See
 /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/main.log
 for details.

 }}}

 Config.log

 {{{

 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.

 It was created by isl configure 0.24, which was
 generated by GNU Autoconf 2.69.  Invocation command line was

   $ ./configure --prefix=/opt/local --disable-silent-rules
 CC_FOR_BUILD=/usr/bin/clang LDFLAGS_FOR_BUILD=-L/opt/local/lib
 -Wl,-headerpad_max_install_names -arch arm64
 -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk
 CPPFLAGS_FOR_BUILD=-I/opt/local/include
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk
 CFLAGS_FOR_BUILD=-pipe -Os -arch arm64
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk
 --host=aarch64-apple-darwin20.6.0

 ## --------- ##
 ## Platform. ##
 ## --------- ##

 hostname = supports-MacBook-Pro-2.local
 uname -m = x86_64
 uname -r = 20.6.0
 uname -s = Darwin
 uname -v = Darwin Kernel Version 20.6.0: Mon Aug 30 06:12:21 PDT 2021;
 root:xnu-7195.141.6~3/RELEASE_X86_64

 /usr/bin/uname -p = i386
 /bin/uname -X     = unknown

 /bin/arch              = unknown
 /usr/bin/arch -k       = unknown
 /usr/convex/getsysinfo = unknown
 /usr/bin/hostinfo      = Mach kernel version:
          Darwin Kernel Version 20.6.0: Mon Aug 30 06:12:21 PDT 2021;
 root:xnu-7195.141.6~3/RELEASE_X86_64
 Kernel configured for up to 8 processors.
 4 processors are physically available.
 8 processors are logically available.
 Processor type: x86_64h (Intel x86-64h Haswell)
 Processors active: 0 1 2 3 4 5 6 7
 Primary memory available: 32.00 gigabytes
 Default processor set: 617 tasks, 2617 threads, 8 processors
 Load average: 3.18, Mach factor: 4.80
 /bin/machine           = unknown
 /usr/bin/oslevel       = unknown
 /bin/universe          = unknown

 PATH: /opt/local/bin
 PATH: /opt/local/sbin
 PATH: /bin
 PATH: /sbin
 PATH: /usr/bin
 PATH: /usr/sbin

 ## ----------- ##
 ## Core tests. ##
 ## ----------- ##

 configure:2772: checking for a BSD-compatible install
 configure:2840: result: /usr/bin/install -c
 configure:2851: checking whether build environment is sane
 configure:2906: result: yes
 configure:2965: checking for aarch64-apple-darwin20.6.0-strip
 configure:2995: result: no
 configure:3005: checking for strip
 configure:3021: found /opt/local/bin/strip
 configure:3032: result: strip
 configure:3057: checking for a thread-safe mkdir -p
 configure:3096: result: ./install-sh -c -d
 configure:3103: checking for gawk
 configure:3119: found /opt/local/bin/gawk
 configure:3130: result: gawk
 configure:3141: checking whether make sets $(MAKE)
 configure:3163: result: yes
 configure:3192: checking whether make supports nested variables
 configure:3209: result: yes
 configure:3346: checking whether make supports nested variables
 configure:3363: result: yes
 configure:3397: checking for aarch64-apple-darwin20.6.0-gcc
 configure:3424: result: /usr/bin/clang
 configure:3693: checking for C compiler version
 configure:3702: /usr/bin/clang --version >&5
 Apple clang version 12.0.5 (clang-1205.0.22.11)
 Target: x86_64-apple-darwin20.6.0
 Thread model: posix
 InstalledDir: /Library/Developer/CommandLineTools/usr/bin
 configure:3713: $? = 0
 configure:3702: /usr/bin/clang -v >&5
 Apple clang version 12.0.5 (clang-1205.0.22.11)
 Target: x86_64-apple-darwin20.6.0
 Thread model: posix
 InstalledDir: /Library/Developer/CommandLineTools/usr/bin
 configure:3713: $? = 0
 configure:3702: /usr/bin/clang -V >&5
 clang: error: argument to '-V' is missing (expected 1 value)
 clang: error: no input files
 configure:3713: $? = 1
 configure:3702: /usr/bin/clang -qversion >&5
 clang: error: unknown argument '-qversion'; did you mean '--version'?
 clang: error: no input files
 configure:3713: $? = 1
 configure:3733: checking whether the C compiler works
 configure:3755: /usr/bin/clang -pipe -Os -arch arm64
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk
 -I/opt/local/include
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk
 -L/opt/local/lib -Wl,-headerpad_max_install_names -arch arm64
 -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk
 conftest.c  >&5
 configure:3759: $? = 0
 configure:3807: result: yes
 configure:3810: checking for C compiler default output file name
 configure:3812: result: a.out
 configure:3818: checking for suffix of executables
 configure:3825: /usr/bin/clang -o conftest -pipe -Os -arch arm64
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk
 -I/opt/local/include
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk
 -L/opt/local/lib -Wl,-headerpad_max_install_names -arch arm64
 -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk
 conftest.c  >&5
 configure:3829: $? = 0
 configure:3851: result:
 configure:3873: checking whether we are cross compiling
 configure:3881: /usr/bin/clang -o conftest -pipe -Os -arch arm64
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk
 -I/opt/local/include
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk
 -L/opt/local/lib -Wl,-headerpad_max_install_names -arch arm64
 -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk
 conftest.c  >&5
 configure:3885: $? = 0
 configure:3892: ./conftest
 ./configure: line 3894: ./conftest: Bad CPU type in executable
 configure:3896: $? = 126
 configure:3911: result: yes
 configure:3916: checking for suffix of object files
 configure:3938: /usr/bin/clang -c -pipe -Os -arch arm64
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk
 -I/opt/local/include
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk conftest.c
 >&5
 configure:3942: $? = 0
 configure:3963: result: o
 configure:3967: checking whether we are using the GNU C compiler
 configure:3986: /usr/bin/clang -c -pipe -Os -arch arm64
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk
 -I/opt/local/include
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk conftest.c
 >&5
 configure:3986: $? = 0
 configure:3995: result: yes
 configure:4004: checking whether /usr/bin/clang accepts -g
 configure:4024: /usr/bin/clang -c -g -I/opt/local/include
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk conftest.c
 >&5
 configure:4024: $? = 0
 configure:4065: result: yes
 configure:4082: checking for /usr/bin/clang option to accept ISO C89
 configure:4145: /usr/bin/clang  -c -pipe -Os -arch arm64
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk
 -I/opt/local/include
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk conftest.c
 >&5
 configure:4145: $? = 0
 configure:4158: result: none needed
 configure:4183: checking whether /usr/bin/clang understands -c and -o
 together
 configure:4205: /usr/bin/clang -c conftest.c -o conftest2.o
 configure:4208: $? = 0
 configure:4205: /usr/bin/clang -c conftest.c -o conftest2.o
 configure:4208: $? = 0
 configure:4220: result: yes
 configure:4240: checking whether make supports the include directive
 configure:4255: make -f confmf.GNU && cat confinc.out
 this is the am__doit target
 configure:4258: $? = 0
 configure:4277: result: yes (GNU style)
 configure:4302: checking dependency style of /usr/bin/clang
 configure:4413: result: gcc3
 configure:4540: checking for C++ compiler version
 configure:4549: /usr/bin/clang++ --version >&5
 Apple clang version 12.0.5 (clang-1205.0.22.11)
 Target: x86_64-apple-darwin20.6.0
 Thread model: posix
 InstalledDir: /Library/Developer/CommandLineTools/usr/bin
 configure:4560: $? = 0
 configure:4549: /usr/bin/clang++ -v >&5
 Apple clang version 12.0.5 (clang-1205.0.22.11)
 Target: x86_64-apple-darwin20.6.0
 Thread model: posix
 InstalledDir: /Library/Developer/CommandLineTools/usr/bin
 configure:4560: $? = 0
 configure:4549: /usr/bin/clang++ -V >&5
 clang: error: argument to '-V' is missing (expected 1 value)
 clang: error: no input files
 configure:4560: $? = 1
 configure:4549: /usr/bin/clang++ -qversion >&5
 clang: error: unknown argument '-qversion'; did you mean '--version'?
 clang: error: no input files
 configure:4560: $? = 1
 configure:4564: checking whether we are using the GNU C++ compiler
 configure:4583: /usr/bin/clang++ -c -pipe -Os -arch arm64 -stdlib=libc++
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk
 -I/opt/local/include
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk
 conftest.cpp >&5
 configure:4583: $? = 0
 configure:4592: result: yes
 configure:4601: checking whether /usr/bin/clang++ accepts -g
 configure:4621: /usr/bin/clang++ -c -g -I/opt/local/include
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk
 conftest.cpp >&5
 configure:4621: $? = 0
 configure:4662: result: yes
 configure:4687: checking dependency style of /usr/bin/clang++
 configure:4798: result: gcc3
 configure:4818: checking how to run the C preprocessor
 configure:4849: /usr/bin/clang -E -I/opt/local/include
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk conftest.c
 configure:4849: $? = 0
 configure:4863: /usr/bin/clang -E -I/opt/local/include
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk conftest.c
 conftest.c:11:10: fatal error: 'ac_nonexistent.h' file not found
 #include <ac_nonexistent.h>
          ^~~~~~~~~~~~~~~~~~
 1 error generated.
 configure:4863: $? = 1
 configure: failed program was:
 | /* confdefs.h */
 | #define PACKAGE_NAME "isl"
 | #define PACKAGE_TARNAME "isl"
 | #define PACKAGE_VERSION "0.24"
 | #define PACKAGE_STRING "isl 0.24"
 | #define PACKAGE_BUGREPORT "isl-development at googlegroups.com"
 | #define PACKAGE_URL ""
 | #define PACKAGE "isl"
 | #define VERSION "0.24"
 | /* end confdefs.h.  */
 | #include <ac_nonexistent.h>
 configure:4888: result: /usr/bin/clang -E
 configure:4908: /usr/bin/clang -E -I/opt/local/include
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk conftest.c
 configure:4908: $? = 0
 configure:4922: /usr/bin/clang -E -I/opt/local/include
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk conftest.c
 conftest.c:11:10: fatal error: 'ac_nonexistent.h' file not found
 #include <ac_nonexistent.h>
          ^~~~~~~~~~~~~~~~~~
 1 error generated.
 configure:4922: $? = 1
 configure: failed program was:
 | /* confdefs.h */
 | #define PACKAGE_NAME "isl"
 | #define PACKAGE_TARNAME "isl"
 | #define PACKAGE_VERSION "0.24"
 | #define PACKAGE_STRING "isl 0.24"
 | #define PACKAGE_BUGREPORT "isl-development at googlegroups.com"
 | #define PACKAGE_URL ""
 | #define PACKAGE "isl"
 | #define VERSION "0.24"
 | /* end confdefs.h.  */
 | #include <ac_nonexistent.h>
 configure:4954: checking build system type
 configure:4968: result: x86_64-apple-darwin20.6.0
 configure:5013: checking for x86_64-apple-darwin20.6.0-gcc
 configure:5040: result: /usr/bin/clang
 configure:5309: checking for C compiler version
 configure:5318: /usr/bin/clang --version >&5
 Apple clang version 12.0.5 (clang-1205.0.22.11)
 Target: x86_64-apple-darwin20.6.0
 Thread model: posix
 InstalledDir: /Library/Developer/CommandLineTools/usr/bin
 configure:5329: $? = 0
 configure:5318: /usr/bin/clang -v >&5
 Apple clang version 12.0.5 (clang-1205.0.22.11)
 Target: x86_64-apple-darwin20.6.0
 Thread model: posix
 InstalledDir: /Library/Developer/CommandLineTools/usr/bin
 configure:5329: $? = 0
 configure:5318: /usr/bin/clang -V >&5
 clang: error: argument to '-V' is missing (expected 1 value)
 clang: error: no input files
 configure:5329: $? = 1
 configure:5318: /usr/bin/clang -qversion >&5
 clang: error: unknown argument '-qversion'; did you mean '--version'?
 clang: error: no input files
 configure:5329: $? = 1
 configure:5333: checking whether we are using the GNU C compiler
 configure:5361: result: yes
 configure:5370: checking whether /usr/bin/clang accepts -g
 configure:5390: /usr/bin/clang -c -g -I/opt/local/include
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk conftest.c
 >&5
 configure:5390: $? = 0
 configure:5431: result: yes
 configure:5448: checking for /usr/bin/clang option to accept ISO C89
 configure:5511: /usr/bin/clang  -c -pipe -Os -arch arm64
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk
 -I/opt/local/include
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk conftest.c
 >&5
 configure:5511: $? = 0
 configure:5524: result: none needed
 configure:5549: checking whether /usr/bin/clang understands -c and -o
 together
 configure:5571: /usr/bin/clang -c conftest.c -o conftest2.
 configure:5574: $? = 0
 configure:5571: /usr/bin/clang -c conftest.c -o conftest2.
 configure:5574: $? = 0
 configure:5586: result: yes
 configure:5605: checking dependency style of /usr/bin/clang
 configure:5716: result: gcc3
 configure:5747: checking whether the C compiler works
 configure:5769: /usr/bin/clang -pipe -Os -arch arm64
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk
 -I/opt/local/include
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk
 -L/opt/local/lib -Wl,-headerpad_max_install_names -arch arm64
 -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk
 conftest.c  >&5
 configure:5773: $? = 0
 configure:5821: result: yes
 configure:5824: checking for C compiler default output file name
 configure:5826: result: a.out
 configure:5832: checking for suffix of executables
 configure:5839: /usr/bin/clang -o conftest -pipe -Os -arch arm64
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk
 -I/opt/local/include
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk
 -L/opt/local/lib -Wl,-headerpad_max_install_names -arch arm64
 -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk
 conftest.c  >&5
 configure:5843: $? = 0
 configure:5865: result:
 configure:5887: checking whether we are cross compiling
 configure:5895: /usr/bin/clang -o conftest -pipe -Os -arch arm64
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk
 -I/opt/local/include
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk
 -L/opt/local/lib -Wl,-headerpad_max_install_names -arch arm64
 -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk
 conftest.c  >&5
 configure:5899: $? = 0
 configure:5906: ./conftest
 ./configure: line 5908: ./conftest: Bad CPU type in executable
 configure:5910: $? = 126
 configure:5917: error: in
 `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64':
 configure:5919: error: cannot run C compiled programs.
 If you meant to cross compile, use `--build'.
 See `config.log' for more details

 ## ---------------- ##
 ## Cache variables. ##
 ## ---------------- ##

 ac_cv_build=x86_64-apple-darwin20.6.0
 ac_cv_build_prog_cc_c89=
 ac_cv_build_prog_cc_g=yes
 ac_cv_c_compiler_gnu=yes
 ac_cv_cxx_compiler_gnu=yes
 ac_cv_env_CCC_set=
 ac_cv_env_CCC_value=
 ac_cv_env_CC_set=set
 ac_cv_env_CC_value=/usr/bin/clang
 ac_cv_env_CFLAGS_set=set
 ac_cv_env_CFLAGS_value='-pipe -Os -arch arm64
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 ac_cv_env_CPPFLAGS_set=set
 ac_cv_env_CPPFLAGS_value='-I/opt/local/include
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 ac_cv_env_CPP_set=
 ac_cv_env_CPP_value=
 ac_cv_env_CXXCPP_set=
 ac_cv_env_CXXCPP_value=
 ac_cv_env_CXXFLAGS_set=set
 ac_cv_env_CXXFLAGS_value='-pipe -Os -arch arm64 -stdlib=libc++
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 ac_cv_env_CXX_set=set
 ac_cv_env_CXX_value=/usr/bin/clang++
 ac_cv_env_LDFLAGS_set=set
 ac_cv_env_LDFLAGS_value='-L/opt/local/lib -Wl,-headerpad_max_install_names
 -arch arm64
 -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 ac_cv_env_LIBS_set=
 ac_cv_env_LIBS_value=
 ac_cv_env_LT_SYS_LIBRARY_PATH_set=
 ac_cv_env_LT_SYS_LIBRARY_PATH_value=
 ac_cv_env_PYTHON_set=
 ac_cv_env_PYTHON_value=
 ac_cv_env_build_alias_set=
 ac_cv_env_build_alias_value=
 ac_cv_env_host_alias_set=set
 ac_cv_env_host_alias_value=aarch64-apple-darwin20.6.0
 ac_cv_env_target_alias_set=
 ac_cv_env_target_alias_value=
 ac_cv_objext=o
 ac_cv_prog_AWK=gawk
 ac_cv_prog_CC=/usr/bin/clang
 ac_cv_prog_CC_FOR_BUILD=/usr/bin/clang
 ac_cv_prog_CPP='/usr/bin/clang -E'
 ac_cv_prog_ac_ct_STRIP=strip
 ac_cv_prog_cc_c89=
 ac_cv_prog_cc_g=yes
 ac_cv_prog_cxx_g=yes
 ac_cv_prog_make_make_set=yes
 am_cv_CC_dependencies_compiler_type=gcc3
 am_cv_CXX_dependencies_compiler_type=gcc3
 am_cv_build_CC_dependencies_compiler_type=gcc3
 am_cv_build_prog_cc_c_o=yes
 am_cv_make_support_nested_variables=yes
 am_cv_prog_cc_c_o=yes

 ## ----------------- ##
 ## Output variables. ##
 ## ----------------- ##

 ACLOCAL='${SHELL}
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64/missing
 aclocal-1.16'
 AMDEPBACKSLASH='\'
 AMDEP_FALSE='#'
 AMDEP_TRUE=''
 AMTAR='$${TAR-tar}'
 AM_BACKSLASH='\'
 AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)'
 AM_DEFAULT_VERBOSITY='1'
 AM_V='$(V)'
 AR=''
 AUTOCONF='${SHELL}
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64/missing
 autoconf'
 AUTOHEADER='${SHELL}
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64/missing
 autoheader'
 AUTOMAKE='${SHELL}
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64/missing
 automake-1.16'
 AWK='gawk'
 BUILD_EXEEXT=''
 BUILD_OBJEXT=''
 CC='/usr/bin/clang'
 CCDEPMODE='depmode=gcc3'
 CC_FOR_BUILD='/usr/bin/clang'
 CFLAGS='-pipe -Os -arch arm64
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 CFLAGS_FOR_BUILD='-pipe -Os -arch arm64
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 CPP='/usr/bin/clang -E'
 CPPFLAGS='-I/opt/local/include
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 CPPFLAGS_FOR_BUILD='-I/opt/local/include
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 CPP_FOR_BUILD=''
 CXX='/usr/bin/clang++'
 CXXCPP=''
 CXXDEPMODE='depmode=gcc3'
 CXXFLAGS='-pipe -Os -arch arm64 -stdlib=libc++
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 CYGPATH=''
 CYGPATH_W='echo'
 DEFS=''
 DEPDIR='.deps'
 DLLTOOL=''
 DSYMUTIL=''
 DUMPBIN=''
 ECHO_C='\c'
 ECHO_N=''
 ECHO_T=''
 EGREP=''
 EXEEXT=''
 FGREP=''
 GENERATE_DOC_FALSE=''
 GENERATE_DOC_TRUE=''
 GIT_HEAD=''
 GIT_HEAD_ID=''
 GIT_HEAD_VERSION=''
 GMP_FOR_MP_FALSE=''
 GMP_FOR_MP_TRUE=''
 GREP=''
 HAVE_CLANG_FALSE=''
 HAVE_CLANG_TRUE=''
 HAVE_CPP_ISL_H_FALSE=''
 HAVE_CPP_ISL_H_TRUE=''
 HAVE_CXX11=''
 HAVE_CXX11_FALSE=''
 HAVE_CXX11_TRUE=''
 HAVE_PYTHON_FALSE=''
 HAVE_PYTHON_TRUE=''
 IMATH_FOR_MP_FALSE=''
 IMATH_FOR_MP_TRUE=''
 INSTALL_DATA='${INSTALL} -m 644'
 INSTALL_PROGRAM='${INSTALL}'
 INSTALL_SCRIPT='${INSTALL}'
 INSTALL_STRIP_PROGRAM='$(install_sh) -c -s'
 LD=''
 LDFLAGS='-L/opt/local/lib -Wl,-headerpad_max_install_names -arch arm64
 -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 LDFLAGS_FOR_BUILD='-L/opt/local/lib -Wl,-headerpad_max_install_names -arch
 arm64
 -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk'
 LIBOBJS=''
 LIBS=''
 LIBTOOL=''
 LIPO=''
 LN_S=''
 LTLIBOBJS=''
 LT_SYS_LIBRARY_PATH=''
 MAKEINFO='${SHELL}
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64/missing
 makeinfo'
 MANIFEST_TOOL=''
 MKDIR_P='./install-sh -c -d'
 MP_CFLAGS=''
 MP_CPPFLAGS=''
 MP_LDFLAGS=''
 MP_LIBS=''
 NEED_GET_MEMORY_FUNCTIONS_FALSE=''
 NEED_GET_MEMORY_FUNCTIONS_TRUE=''
 NM=''
 NMEDIT=''
 OBJDUMP=''
 OBJEXT='o'
 OS_SRCDIR=''
 OTOOL64=''
 OTOOL=''
 PACKAGE='isl'
 PACKAGE_BUGREPORT='isl-development at googlegroups.com'
 PACKAGE_NAME='isl'
 PACKAGE_STRING='isl 0.24'
 PACKAGE_TARNAME='isl'
 PACKAGE_URL=''
 PACKAGE_VERSION='0.24'
 PATH_SEPARATOR=':'
 PDFLATEX=''
 PERL=''
 POD2HTML=''
 PRTDIAG=''
 PYTHON=''
 PYTHON_EXEC_PREFIX=''
 PYTHON_PLATFORM=''
 PYTHON_PREFIX=''
 PYTHON_VERSION=''
 RANLIB=''
 SED=''
 SET_MAKE=''
 SHELL='/bin/sh'
 SMALL_INT_OPT_FALSE=''
 SMALL_INT_OPT_TRUE=''
 STRIP='strip'
 VERSION='0.24'
 WARNING_FLAGS=''
 ac_ct_AR=''
 ac_ct_CC=''
 ac_ct_CC_FOR_BUILD=''
 ac_ct_CXX=''
 ac_ct_DUMPBIN=''
 am__EXEEXT_FALSE=''
 am__EXEEXT_TRUE=''
 am__fastdepCC_FALSE='#'
 am__fastdepCC_TRUE=''
 am__fastdepCXX_FALSE='#'
 am__fastdepCXX_TRUE=''
 am__include='include'
 am__isrc=''
 am__leading_dot='.'
 am__nodep='_no'
 am__quote=''
 am__tar='$${TAR-tar} chof - "$$tardir"'
 am__untar='$${TAR-tar} xf -'
 bindir='${exec_prefix}/bin'
 build='x86_64-apple-darwin20.6.0'
 build_alias=''
 build_cpu='x86_64'
 build_os='darwin20.6.0'
 build_vendor='apple'
 datadir='${datarootdir}'
 datarootdir='${prefix}/share'
 docdir='${datarootdir}/doc/${PACKAGE_TARNAME}'
 dvidir='${docdir}'
 exec_prefix='NONE'
 host='aarch64-apple-darwin20.6.0'
 host_alias='aarch64-apple-darwin20.6.0'
 host_cpu=''
 host_os=''
 host_vendor=''
 htmldir='${docdir}'
 includedir='${prefix}/include'
 infodir='${datarootdir}/info'
 install_sh='${SHELL}
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_isl/isl/work/isl-0.24-arm64
 /install-sh'
 libdir='${exec_prefix}/lib'
 libexecdir='${exec_prefix}/libexec'
 localedir='${datarootdir}/locale'
 localstatedir='${prefix}/var'
 mandir='${datarootdir}/man'
 mkdir_p='$(MKDIR_P)'
 oldincludedir='/usr/include'
 pdfdir='${docdir}'
 pkgconfig_libdir=''
 pkgconfig_libfile=''
 pkgpyexecdir=''
 pkgpythondir=''
 prefix='/opt/local'
 program_transform_name='s,x,x,'
 psdir='${docdir}'
 pyexecdir=''
 pythondir=''
 runstatedir='${localstatedir}/run'
 sbindir='${exec_prefix}/sbin'
 sharedstatedir='${prefix}/com'
 subdirs=''
 sysconfdir='${prefix}/etc'
 target_alias=''
 versioninfo='24:0:1'

 ## ----------- ##
 ## confdefs.h. ##
 ## ----------- ##

 /* confdefs.h */
 #define PACKAGE_NAME "isl"
 #define PACKAGE_TARNAME "isl"
 #define PACKAGE_VERSION "0.24"
 #define PACKAGE_STRING "isl 0.24"
 #define PACKAGE_BUGREPORT "isl-development at googlegroups.com"
 #define PACKAGE_URL ""
 #define PACKAGE "isl"
 #define VERSION "0.24"

 configure: exit 1

 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/64416#comment:3>
MacPorts <https://www.macports.org/>
Ports system for macOS