[MacPorts] #71480: openbabel2 uses archaic Apple wxWidgets and bleeding edge Eigen3, which fails

MacPorts noreply at macports.org
Sat Dec 7 15:32:35 UTC 2024 

#71480: openbabel2 uses archaic Apple wxWidgets and bleeding edge Eigen3, which
fails
--------------------------+------------------------
 Reporter:  barracuda156  |      Owner:  reneeotten
     Type:  defect        |     Status:  assigned
 Priority:  Normal        |  Milestone:
Component:  ports         |    Version:  2.10.5
 Keywords:                |       Port:  openbabel2
--------------------------+------------------------
 Not sure how this is supposed to work. The current Eigen3 requires C++14,
 3.4.0 requires at least C++11, but the port picks gcc-4.2 and Apple
 wxWidgets from system prefix. While setting the C++ standard to satisfy
 Eigen is easy, that is not gonna work with wxWidgets, and I suspect not
 only Apple but also MacPorts' wxWidgets 2.8. The issue is that wxWidgets
 are very picky with regard to matching ABI, and apps built with a slightly
 newer versions of gcc that wxWidgets itself, for example, won't launch.
 This is why there are dedicated wxWidgets-cxx11 subports (i.e. even
 wxWidgets 3.0 built with gcc-4.2 cannot work with C++11 apps).

 It probably should switch to wxWidgets-cxx11, and then use wxGTK for very
 old systems, and set the right C++ standard.

 {{{
 --->  Configuring openbabel2
         (using ccache)
 Executing:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/build"
 && /opt/local/bin/cmake -G "CodeBlocks - Unix Makefiles"
 -DCMAKE_BUILD_TYPE=MacPorts -DCMAKE_INSTALL_PREFIX="/opt/local"
 -DCMAKE_INSTALL_NAME_DIR="/opt/local/lib"
 -DCMAKE_SYSTEM_PREFIX_PATH="/opt/local;/usr"
 -DCMAKE_C_COMPILER_LAUNCHER=/opt/local/bin/ccache
 -DCMAKE_CXX_COMPILER_LAUNCHER=/opt/local/bin/ccache
 -DCMAKE_Fortran_COMPILER_LAUNCHER=/opt/local/bin/ccache
 -DCMAKE_OBJC_COMPILER_LAUNCHER=/opt/local/bin/ccache
 -DCMAKE_OBJCXX_COMPILER_LAUNCHER=/opt/local/bin/ccache
 -DCMAKE_ISPC_COMPILER_LAUNCHER=/opt/local/bin/ccache
 -DCMAKE_C_COMPILER="$CC" -DCMAKE_CXX_COMPILER="$CXX"
 -DCMAKE_OBJC_COMPILER="$CC" -DCMAKE_OBJCXX_COMPILER="$CXX"
 -DCMAKE_POLICY_DEFAULT_CMP0025=NEW -DCMAKE_POLICY_DEFAULT_CMP0060=NEW
 -DCMAKE_VERBOSE_MAKEFILE=ON -DCMAKE_COLOR_MAKEFILE=ON
 -DCMAKE_FIND_FRAMEWORK=LAST -DCMAKE_EXPORT_COMPILE_COMMANDS=ON
 -DCMAKE_MAKE_PROGRAM=/usr/bin/make
 -DCMAKE_MODULE_PATH="/opt/local/share/cmake/Modules"
 -DCMAKE_PREFIX_PATH="/opt/local/share/cmake/Modules"
 -DCMAKE_BUILD_WITH_INSTALL_RPATH:BOOL=ON
 -DCMAKE_INSTALL_RPATH="/opt/local/lib" -Wno-dev -DBUILD_GUI=OFF
 -DBUILD_TESTING=OFF -DPYTHON_BINDINGS=OFF -DCMAKE_OSX_ARCHITECTURES="ppc"
 -DCMAKE_OSX_DEPLOYMENT_TARGET="10.6" -DCMAKE_OSX_SYSROOT="/"
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/openbabel-2-4-1
 -- The C compiler identification is GNU 4.2.1
 -- The CXX compiler identification is GNU 4.2.1
 -- Checking whether C compiler has -isysroot
 -- Checking whether C compiler has -isysroot - yes
 -- Checking whether C compiler supports OSX deployment target flag
 -- Checking whether C compiler supports OSX deployment target flag - yes
 -- Detecting C compiler ABI info
 -- Detecting C compiler ABI info - done
 -- Check for working C compiler: /usr/bin/gcc-4.2 - skipped
 -- Detecting C compile features
 -- Detecting C compile features - done
 -- Checking whether CXX compiler has -isysroot
 -- Checking whether CXX compiler has -isysroot - yes
 -- Checking whether CXX compiler supports OSX deployment target flag
 -- Checking whether CXX compiler supports OSX deployment target flag - yes
 -- Detecting CXX compiler ABI info
 -- Detecting CXX compiler ABI info - done
 -- Check for working CXX compiler: /usr/bin/g++-4.2 - skipped
 -- Detecting CXX compile features
 -- Detecting CXX compile features - done
 -- Using included inchi library.
 -- Found LibXml2: /opt/local/lib/libxml2.dylib (found version "2.13.5")
 -- Found ZLIB: /opt/local/lib/libz.dylib (found version "1.3.1")
 -- Found wxWidgets: -framework IOKit;-framework Carbon;-framework
 Cocoa;-framework System;-framework QuickTime;-framework OpenGL;-framework
 AGL;;-lwx_macud-2.8 (found version "2.8.8.1")
 -- Looking for conio.h
 -- Looking for conio.h - not found
 -- Looking for sys/time.h
 -- Looking for sys/time.h - found
 -- Looking for time.h
 -- Looking for time.h - found
 -- Looking for strings.h
 -- Looking for strings.h - found
 -- Looking for rpc/xdr.h
 -- Looking for rpc/xdr.h - not found
 -- Looking for regex.h
 -- Looking for regex.h - found
 -- Looking for C++ include sstream
 -- Looking for C++ include sstream - found
 -- Looking for rint
 -- Looking for rint - found
 -- Looking for snprintf
 -- Looking for snprintf - found
 -- Looking for sranddev
 -- Looking for sranddev - found
 -- Looking for strcasecmp
 -- Looking for strcasecmp - found
 -- Looking for strncasecmp
 -- Looking for strncasecmp - found
 -- Looking for dlopen in dl
 -- Looking for dlopen in dl - found
 -- Looking for sys/types.h
 -- Looking for sys/types.h - found
 -- Looking for stdint.h
 -- Looking for stdint.h - found
 -- Looking for stddef.h
 -- Looking for stddef.h - found
 -- Check size of clock_t
 -- Check size of clock_t - done
 -- Performing Test SCANDIR_NEEDS_CONST
 -- Performing Test SCANDIR_NEEDS_CONST - Failed
 -- Checking available shared pointer...
 -- Performing Test HAVE_STD_SHARED_PTR
 -- Performing Test HAVE_STD_SHARED_PTR - Failed
 -- Performing Test HAVE_STD_TR1_SHARED_PTR
 -- Performing Test HAVE_STD_TR1_SHARED_PTR - Failed
 -- Performing Test HAVE_STD_TR1_SHARED_PTR_IN_TR1_HEADER
 -- Performing Test HAVE_STD_TR1_SHARED_PTR_IN_TR1_HEADER - Success
 -- Use std::tr1::shared_ptr in tr1/memory
 -- Found Eigen3: /opt/local/include/eigen3 (Required is at least version
 "2.91.0")
 -- Found PkgConfig: /opt/local/bin/pkg-config (found version "0.29.2")
 -- Checking for module 'cairo'
 --   Found cairo, version 1.17.6
 -- Found Cairo: /opt/local/lib/libcairo.dylib
 -- Cairo found. PNG output will be supported.
 -- Looking for getopt
 -- Looking for getopt - found
 -- GUI will not be built
 -- Found PythonInterp: /usr/bin/python (found version "2.5.1")
 -- Configuring done (28.7s)
 -- Generating done (3.8s)
 CMake Warning:
   Manually-specified variables were not used by the project:

     CMAKE_OBJCXX_COMPILER
     CMAKE_OBJC_COMPILER


 -- Build files have been written to:
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/build
 --->  Building openbabel2
 Executing:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/build"
 && /usr/bin/make -j6 -w all VERBOSE=ON
 make: Entering directory
 `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/build'
 /opt/local/bin/cmake
 -S/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/openbabel-2-4-1
 -B/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/build
 --check-build-system CMakeFiles/Makefile.cmake 0
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 make[2]: Entering directory
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 cd
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/build
 && /opt/local/bin/cmake -E cmake_depends "Unix Makefiles"
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/openbabel-2-4-1
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 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/build
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/build/src/formats/libinchi
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/build/src/formats/libinchi/CMakeFiles/inchi.dir/DependInfo.cmake
 "--color="
 make[2]: Entering directory
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 cd
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/build
 && /opt/local/bin/cmake -E cmake_depends "Unix Makefiles"
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/openbabel-2-4-1
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/openbabel-2-4-1/src
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/build
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/build/src
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/build/src/CMakeFiles/openbabel.dir/DependInfo.cmake
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 CMakeFiles/openbabel.dir/bitvec.o.d -o CMakeFiles/openbabel.dir/bitvec.o
 -c
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/openbabel-2-4-1/src/bitvec.cpp
 [  1%] Building CXX object src/CMakeFiles/openbabel.dir/bondtyper.o
 cd
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/build/src
 && /opt/local/bin/ccache /usr/bin/g++-4.2 -DHAVE_EIGEN -DHAVE_EIGEN3
 -DHAVE_LIBZ -DHAVE_SHARED_POINTER -DHAVE_WXWIDGETS -DMAKE_OBDLL
 -DUSING_DYNAMIC_LIBS -D_FILE_OFFSET_BITS=64 -D_LARGE_FILES -D__WXDEBUG__
 -D__WXMAC__ -I/opt/local/include
 -I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/build/include
 -I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/openbabel-2-4-1/data
 -I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/openbabel-2-4-1/include
 -I/opt/local/include/eigen3 -isystem /usr/lib/wx/include/mac-unicode-
 debug-2.8 -isystem /usr/include/wx-2.8 -pipe -Os -DNDEBUG
 -I/opt/local/include -arch ppc -mmacosx-version-min=10.6 -fPIC
 -DOB_MODULE_PATH="\"/opt/local/lib/openbabel/2.4.1\"" -MD -MT
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 CMakeFiles/openbabel.dir/bondtyper.o.d -o
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 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/openbabel-2-4-1/src/bondtyper.cpp
 [  1%] Building CXX object src/CMakeFiles/openbabel.dir/builder.o
 cd
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/build/src
 && /opt/local/bin/ccache /usr/bin/g++-4.2 -DHAVE_EIGEN -DHAVE_EIGEN3
 -DHAVE_LIBZ -DHAVE_SHARED_POINTER -DHAVE_WXWIDGETS -DMAKE_OBDLL
 -DUSING_DYNAMIC_LIBS -D_FILE_OFFSET_BITS=64 -D_LARGE_FILES -D__WXDEBUG__
 -D__WXMAC__ -I/opt/local/include
 -I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/build/include
 -I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/openbabel-2-4-1/data
 -I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/openbabel-2-4-1/include
 -I/opt/local/include/eigen3 -isystem /usr/lib/wx/include/mac-unicode-
 debug-2.8 -isystem /usr/include/wx-2.8 -pipe -Os -DNDEBUG
 -I/opt/local/include -arch ppc -mmacosx-version-min=10.6 -fPIC
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 [  1%] Building CXX object src/CMakeFiles/openbabel.dir/canon.o
 cd
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/build/src
 && /opt/local/bin/ccache /usr/bin/g++-4.2 -DHAVE_EIGEN -DHAVE_EIGEN3
 -DHAVE_LIBZ -DHAVE_SHARED_POINTER -DHAVE_WXWIDGETS -DMAKE_OBDLL
 -DUSING_DYNAMIC_LIBS -D_FILE_OFFSET_BITS=64 -D_LARGE_FILES -D__WXDEBUG__
 -D__WXMAC__ -I/opt/local/include
 -I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/build/include
 -I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/openbabel-2-4-1/data
 -I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/openbabel-2-4-1/include
 -I/opt/local/include/eigen3 -isystem /usr/lib/wx/include/mac-unicode-
 debug-2.8 -isystem /usr/include/wx-2.8 -pipe -Os -DNDEBUG
 -I/opt/local/include -arch ppc -mmacosx-version-min=10.6 -fPIC
 -DOB_MODULE_PATH="\"/opt/local/lib/openbabel/2.4.1\"" -MD -MT
 src/CMakeFiles/openbabel.dir/canon.o -MF
 CMakeFiles/openbabel.dir/canon.o.d -o CMakeFiles/openbabel.dir/canon.o -c
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/openbabel-2-4-1/src/canon.cpp
 In file included from /opt/local/include/eigen3/Eigen/Core:19,
                  from
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/openbabel-2-4-1/include/openbabel/distgeom.h:32,
                  from
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/openbabel-2-4-1/src/builder.cpp:33:
 /opt/local/include/eigen3/Eigen/src/Core/util/Macros.h:716:2: error:
 #error Eigen requires at least c++14 support.
 In file included from
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/openbabel-2-4-1/include/openbabel/distgeom.h:32,
                  from
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/openbabel-2-4-1/src/builder.cpp:33:
 /opt/local/include/eigen3/Eigen/Core:94:17: error: array: No such file or
 directory
 /opt/local/include/eigen3/Eigen/Core:98:23: error: type_traits: No such
 file or directory
 In file included from /opt/local/include/eigen3/Eigen/Core:172,
                  from
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/openbabel-2-4-1/include/openbabel/distgeom.h:32,
                  from
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/openbabel-2-4-1/src/builder.cpp:33:
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:32:19: error:
 cstdint: No such file or directory
 In file included from /opt/local/include/eigen3/Eigen/Core:270,
                  from
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/openbabel-2-4-1/include/openbabel/distgeom.h:32,
                  from
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/openbabel-2-4-1/src/builder.cpp:33:
 /opt/local/include/eigen3/Eigen/src/Core/arch/Default/GenericPacketMathFunctions.h:876:
 error: integer constant is too large for ‘unsigned long’ type
 /opt/local/include/eigen3/Eigen/src/Core/arch/Default/GenericPacketMathFunctions.h:920:
 error: integer constant is too large for ‘long’ type
 /opt/local/include/eigen3/Eigen/src/Core/arch/Default/GenericPacketMathFunctions.h:921:
 error: integer constant is too large for ‘long’ type
 /opt/local/include/eigen3/Eigen/src/Core/arch/Default/GenericPacketMathFunctions.h:922:
 error: integer constant is too large for ‘long’ type
 /opt/local/include/eigen3/Eigen/src/Core/arch/Default/GenericPacketMathFunctions.h:923:
 error: integer constant is too large for ‘long’ type
 /opt/local/include/eigen3/Eigen/src/Core/arch/Default/GenericPacketMathFunctions.h:925:
 error: integer constant is too large for ‘long’ type
 /opt/local/include/eigen3/Eigen/src/Core/arch/Default/GenericPacketMathFunctions.h:926:
 error: integer constant is too large for ‘long’ type
 /opt/local/include/eigen3/Eigen/src/Core/arch/Default/GenericPacketMathFunctions.h:927:
 error: integer constant is too large for ‘long’ type
 /opt/local/include/eigen3/Eigen/src/Core/arch/Default/GenericPacketMathFunctions.h:938:
 error: integer constant is too large for ‘long’ type
 /opt/local/include/eigen3/Eigen/src/Core/arch/Default/GenericPacketMathFunctions.h:938:
 error: integer constant is too large for ‘long’ type
 /opt/local/include/eigen3/Eigen/src/Core/arch/Default/GenericPacketMathFunctions.h:939:
 error: integer constant is too large for ‘long’ type
 /opt/local/include/eigen3/Eigen/src/Core/arch/Default/GenericPacketMathFunctions.h:940:
 error: integer constant is too large for ‘long’ type
 /opt/local/include/eigen3/Eigen/src/Core/arch/Default/GenericPacketMathFunctions.h:941:
 error: integer constant is too large for ‘long’ type
 /opt/local/include/eigen3/Eigen/src/Core/arch/Default/GenericPacketMathFunctions.h:943:
 error: integer constant is too large for ‘long’ type
 /opt/local/include/eigen3/Eigen/src/Core/arch/Default/GenericPacketMathFunctions.h:944:
 error: integer constant is too large for ‘long’ type
 /opt/local/include/eigen3/Eigen/src/Core/arch/Default/GenericPacketMathFunctions.h:945:
 error: integer constant is too large for ‘long’ type
 [  1%] Building CXX object src/CMakeFiles/openbabel.dir/chains.o
 cd
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/build/src
 && /opt/local/bin/ccache /usr/bin/g++-4.2 -DHAVE_EIGEN -DHAVE_EIGEN3
 -DHAVE_LIBZ -DHAVE_SHARED_POINTER -DHAVE_WXWIDGETS -DMAKE_OBDLL
 -DUSING_DYNAMIC_LIBS -D_FILE_OFFSET_BITS=64 -D_LARGE_FILES -D__WXDEBUG__
 -D__WXMAC__ -I/opt/local/include
 -I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/build/include
 -I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/openbabel-2-4-1/data
 -I/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/openbabel-2-4-1/include
 -I/opt/local/include/eigen3 -isystem /usr/lib/wx/include/mac-unicode-
 debug-2.8 -isystem /usr/include/wx-2.8 -pipe -Os -DNDEBUG
 -I/opt/local/include -arch ppc -mmacosx-version-min=10.6 -fPIC
 -DOB_MODULE_PATH="\"/opt/local/lib/openbabel/2.4.1\"" -MD -MT
 src/CMakeFiles/openbabel.dir/chains.o -MF
 CMakeFiles/openbabel.dir/chains.o.d -o CMakeFiles/openbabel.dir/chains.o
 -c
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/openbabel-2-4-1/src/chains.cpp
 In file included from /opt/local/include/eigen3/Eigen/Core:15,
                  from
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/openbabel-2-4-1/include/openbabel/distgeom.h:32,
                  from
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/openbabel-2-4-1/src/builder.cpp:33:
 /opt/local/include/eigen3/Eigen/src/Core/util/DisableStupidWarnings.h:75:
 warning: unknown option after ‘#pragma GCC diagnostic’ kind
 In file included from /opt/local/include/eigen3/Eigen/Core:19,
                  from
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/openbabel-2-4-1/include/openbabel/distgeom.h:32,
                  from
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/openbabel-2-4-1/src/builder.cpp:33:
 /opt/local/include/eigen3/Eigen/src/Core/util/Macros.h:956: error:
 expected initializer before ‘void’
 /opt/local/include/eigen3/Eigen/src/Core/util/Macros.h:1274: error:
 expected nested-name-specifier before ‘...’ token
 /opt/local/include/eigen3/Eigen/src/Core/util/Macros.h:1274: error:
 expected ‘>’ before ‘...’ token
 /opt/local/include/eigen3/Eigen/src/Core/util/Macros.h:1275: error: ‘Ts’
 has not been declared
 /opt/local/include/eigen3/Eigen/src/Core/util/Macros.h:1275: error:
 expected `)' before ‘ts’
 /opt/local/include/eigen3/Eigen/src/Core/util/Macros.h:1275: error:
 expected initializer before ‘ts’
 In file included from /opt/local/include/eigen3/Eigen/Core:171,
                  from
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/openbabel-2-4-1/include/openbabel/distgeom.h:32,
                  from
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/openbabel-2-4-1/src/builder.cpp:33:
 /opt/local/include/eigen3/Eigen/src/Core/util/Constants.h:582: error: use
 of enum ‘ComparisonName’ without previous declaration
 /opt/local/include/eigen3/Eigen/src/Core/util/Constants.h:582: error:
 expected unqualified-id before ‘:’ token
 In file included from /opt/local/include/eigen3/Eigen/Core:172,
                  from
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/openbabel-2-4-1/include/openbabel/distgeom.h:32,
                  from
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_science_openbabel2/openbabel2/work/openbabel-2-4-1/src/builder.cpp:33:
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:36: error: ‘uint8_t’
 in namespace ‘std’ does not name a type
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:37: error: ‘int8_t’
 in namespace ‘std’ does not name a type
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:38: error: ‘uint16_t’
 in namespace ‘std’ does not name a type
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:39: error: ‘int16_t’
 in namespace ‘std’ does not name a type
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:40: error: ‘uint32_t’
 in namespace ‘std’ does not name a type
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:41: error: ‘int32_t’
 in namespace ‘std’ does not name a type
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:42: error: ‘uint64_t’
 in namespace ‘std’ does not name a type
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:43: error: ‘int64_t’
 in namespace ‘std’ does not name a type
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:111: error:
 ‘std::conditional’ has not been declared
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:112: error:
 ‘std::remove_const’ has not been declared
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:113: error:
 ‘std::remove_pointer’ has not been declared
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:114: error:
 ‘std::remove_reference’ has not been declared
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:142: error: expected
 unqualified-id before ‘using’
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:214: error:
 ‘remove_const_t’ is not a member of ‘std’
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:214: error:
 ‘remove_const_t’ is not a member of ‘std’
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:214: error: template
 argument 2 is invalid
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:227: error: expected
 nested-name-specifier before ‘...’ token
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:227: error: expected
 ‘>’ before ‘...’ token
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:228: error: expected
 unqualified-id before ‘using’
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:239: error:
 ‘std::is_integral’ has not been declared
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:241: error:
 ‘std::make_unsigned’ has not been declared
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:274: error: expected
 unqualified-id before ‘using’
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:276: error:
 ‘std::is_convertible’ has not been declared
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:306: error:
 ‘constexpr’ does not name a type
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:310: error:
 ‘enable_if_t’ is not a member of ‘std’
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:310: error:
 ‘enable_if_t’ is not a member of ‘std’
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:310: error:
 type/value mismatch at argument 2 in template parameter list for
 ‘template<class T, class EnableIf> struct Eigen::internal::array_size’
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:310: error:
 expected a type, got ‘(<expression error> < (((T::SizeAtCompileTime & 0)
 == 0) >> <expression error>))’
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:316: error:
 ‘constexpr’ does not name a type
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:320: error:
 ‘constexpr’ does not name a type
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:324: error: ISO C++
 forbids declaration of ‘type name’ with no type
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:324: error: template
 argument 1 is invalid
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:328: error: ‘array’
 is not a member of ‘std’
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:328: error: ‘array’
 is not a member of ‘std’
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:328: error: template
 argument 1 is invalid
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:328: error: template
 argument 2 is invalid
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:344: error: expected
 constructor, destructor, or type conversion before ‘auto’
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:350: error: expected
 constructor, destructor, or type conversion before ‘std’
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:389: error:
 ‘result_of’ in namespace ‘std’ does not name a type
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:389: error: expected
 unqualified-id before ‘<’ token
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:390: error: ISO C++
 forbids declaration of ‘remove_all_t’ with no type
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:390: error: expected
 ‘;’ before ‘<’ token
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:393: error: expected
 nested-name-specifier before ‘...’ token
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:393: error: expected
 ‘>’ before ‘...’ token
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:395: error:
 ‘ArgTypes’ was not declared in this scope
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:395: error:
 type/value mismatch at argument 1 in template parameter list for
 ‘template<class T> struct Eigen::internal::result_of’
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:395: error:
 expected a type, got ‘(F)(<expression error>)’
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:396: error: ISO C++
 forbids declaration of ‘remove_all_t’ with no type
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:396: error: expected
 ‘;’ before ‘<’ token
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:401: error: expected
 ‘>’ before ‘...’ token
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:402: error: expected
 unqualified-id before ‘using’
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:406: error: expected
 ‘>’ before ‘...’ token
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:407: error: expected
 unqualified-id before ‘using’
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:434: error:
 ‘std::enable_if_t’ has not been declared
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:434: error: expected
 ‘,’ or ‘...’ before ‘<’ token
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:443: error:
 ‘std::enable_if_t’ has not been declared
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:443: error: expected
 ‘,’ or ‘...’ before ‘<’ token
 [  1%] Building C object
 src/formats/libinchi/CMakeFiles/inchi.dir/ichi_io.o
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:453: error:
 ‘std::enable_if_t’ has not been declared
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:453: error: expected
 ‘,’ or ‘...’ before ‘<’ token
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:516: error: ‘Align’
 is not a type
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:516: error: ISO C++
 forbids declaration of ‘alignas’ with no type
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:516: error: expected
 ‘;’ before ‘unsigned’
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:554: error: expected
 nested-name-specifier before ‘UnsignedY’
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:554: error: using-
 declaration for non-member at class scope
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:554: error: expected
 `;' before ‘=’ token
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:554: error: expected
 unqualified-id before ‘=’ token
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h: In static member
 function ‘static bool Eigen::numext::equal_strict_impl<X, Y, true, false,
 true, true>::run(const X&, const Y&)’:
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:556: error: expected
 type-specifier before ‘UnsignedY’
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:556: error: expected
 `>' before ‘UnsignedY’
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:556: error: expected
 `(' before ‘UnsignedY’
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:556: error:
 ‘UnsignedY’ was not declared in this scope
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:556: error: expected
 `)' before ‘;’ token
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h: In function ‘bool
 Eigen::numext::is_exactly_zero(const X&)’:
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:593: error: expected
 `(' before ‘{’ token
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h: In function ‘bool
 Eigen::numext::is_exactly_one(const X&)’:
 /opt/local/include/eigen3/Eigen/src/Core/util/Meta.h:602: error: expected
 `(' before ‘{’ token
 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/71480>
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