[MacPorts] #61953: SDK version mismatch in gcc-devel

[MacPorts]

#61953: SDK version mismatch in gcc-devel
-------------------------------------+--------------------
 Reporter:  aivazis                  |      Owner:  (none)
     Type:  defect                   |     Status:  new
 Priority:  Normal                   |  Milestone:
Component:  ports                    |    Version:
 Keywords:  sysroot macOS 11.0 11.1  |       Port:
-------------------------------------+--------------------
 the gcc/g++ that come with gcc-devel are unable to find the system headers
 due to a mismatch in the name of the SDK:

 ~/tmp/c++>gcc -v -v -v str.c -o str
 Using built-in specs.
 COLLECT_GCC=gcc
 COLLECT_LTO_WRAPPER=/opt/local/libexec/gcc/arm64-apple-darwin20/11.0.0
 /lto-wrapper
 Target: arm64-apple-darwin20
 Configured with: /opt/local/var/macports/build
 /_opt_bblocal_var_buildworker_ports_build_ports_lang_gcc-devel/gcc-
 devel/work/gcc-darwin-
 arm64-f335f738078a35dd48a0aaacbe58a0b7b11c86ce/configure
 --prefix=/opt/local --build=arm64-apple-darwin20 --enable-
 languages=c,c++,objc,obj-c++,lto,fortran,jit --libdir=/opt/local/lib/gcc-
 devel --includedir=/opt/local/include/gcc-devel
 --infodir=/opt/local/share/info --mandir=/opt/local/share/man
 --datarootdir=/opt/local/share/gcc-devel --with-local-prefix=/opt/local
 --with-system-zlib --disable-nls --program-suffix=-mp-devel --with-gxx-
 include-dir=/opt/local/include/gcc-devel/c++/ --with-gmp=/opt/local
 --with-mpfr=/opt/local --with-mpc=/opt/local --with-isl=/opt/local
 --enable-stage1-checking --disable-multilib --enable-lto --enable-
 libstdcxx-time --with-build-config=bootstrap-debug --with-
 as=/opt/local/bin/as --with-ld=/opt/local/bin/ld --with-
 ar=/opt/local/bin/ar --with-bugurl=https://trac.macports.org/newticket
 --enable-host-shared --disable-tls --with-pkgversion='MacPorts gcc-devel
 11-20201205_0' --with-
 sysroot=/Library/Developer/CommandLineTools/SDKs/MacOSX11.0.sdk

 but

 ~/tmp/c++>ls /Library/Developer/CommandLineTools/SDKs/MacOSX
 MacOSX.sdk/      MacOSX10.15.sdk/ MacOSX11.1.sdk/

-- 
Ticket URL: <https://trac.macports.org/ticket/61953>
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