No FortranCInterface mangling known for VerifyFortran -- OSX Sierra

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No FortranCInterface mangling known for VerifyFortran -- OSX Sierra

Burlen Loring
After upgrading to latest XCode and command line tools on OSX Sierra our project that uses CMake to mix C++ and Fortran fails to configure. Full output below. Any ideas?

here are version
cmake version 3.7.1
GNU Fortran (Homebrew GCC 7.1.0) 7.1.0
Apple LLVM version 8.1.0 (clang-802.0.42)
and full cmake output
-- Detecting Fortran/C Interface
-- Detecting Fortran/C Interface - Failed to compile
-- Verifying Fortran/C Compiler Compatibility
CMake Warning (dev) at /usr/local/Cellar/cmake/3.7.1/share/cmake/Modules/FortranCInterface.cmake:309 (message):
  No FortranCInterface mangling known for VerifyFortran
Call Stack (most recent call first):
  /usr/local/Cellar/cmake/3.7.1/share/cmake/Modules/FortranCInterface/Verify/CMakeLists.txt:16 (FortranCInterface_HEADER)
This warning is for project developers.  Use -Wno-dev to suppress it.

-- Verifying Fortran/C Compiler Compatibility - Failed
CMake Error at /usr/local/Cellar/cmake/3.7.1/share/cmake/Modules/FortranCInterface.cmake:382 (message):
  The Fortran compiler:

    /usr/local/bin/gfortran

  and the C compiler:

    /usr/bin/clang

  failed to compile a simple test project using both languages.  The output
  was:

    Change Dir: /Users/bloring/TECA/build/CMakeFiles/FortranCInterface/VerifyC
    
    Run Build Command:"/usr/bin/make"
    /usr/local/Cellar/cmake/3.7.1/bin/cmake -H/usr/local/Cellar/cmake/3.7.1/share/cmake/Modules/FortranCInterface/Verify -B/Users/bloring/TECA/build/CMakeFiles/FortranCInterface/VerifyC --check-build-system CMakeFiles/Makefile.cmake 0
    /usr/local/Cellar/cmake/3.7.1/bin/cmake -E cmake_progress_start /Users/bloring/TECA/build/CMakeFiles/FortranCInterface/VerifyC/CMakeFiles /Users/bloring/TECA/build/CMakeFiles/FortranCInterface/VerifyC/CMakeFiles/progress.marks
    /Library/Developer/CommandLineTools/usr/bin/make -f CMakeFiles/Makefile2 all
    /Library/Developer/CommandLineTools/usr/bin/make -f CMakeFiles/VerifyFortran.dir/build.make CMakeFiles/VerifyFortran.dir/depend
    cd /Users/bloring/TECA/build/CMakeFiles/FortranCInterface/VerifyC && /usr/local/Cellar/cmake/3.7.1/bin/cmake -E cmake_depends "Unix Makefiles" /usr/local/Cellar/cmake/3.7.1/share/cmake/Modules/FortranCInterface/Verify /usr/local/Cellar/cmake/3.7.1/share/cmake/Modules/FortranCInterface/Verify /Users/bloring/TECA/build/CMakeFiles/FortranCInterface/VerifyC /Users/bloring/TECA/build/CMakeFiles/FortranCInterface/VerifyC /Users/bloring/TECA/build/CMakeFiles/FortranCInterface/VerifyC/CMakeFiles/VerifyFortran.dir/DependInfo.cmake
    Scanning dependencies of target VerifyFortran
    /Library/Developer/CommandLineTools/usr/bin/make -f CMakeFiles/VerifyFortran.dir/build.make CMakeFiles/VerifyFortran.dir/requires
    make[2]: Nothing to be done for `CMakeFiles/VerifyFortran.dir/requires'.
    /Library/Developer/CommandLineTools/usr/bin/make -f CMakeFiles/VerifyFortran.dir/build.make CMakeFiles/VerifyFortran.dir/build
    [ 20%] Building Fortran object CMakeFiles/VerifyFortran.dir/VerifyFortran.f.o
    /usr/local/bin/gfortran   -I/Users/bloring/TECA/build/CMakeFiles/FortranCInterface/VerifyC  -Wall -Wextra -Wno-conversion -O3 -DNDEBUG -O3   -c /usr/local/Cellar/cmake/3.7.1/share/cmake/Modules/FortranCInterface/Verify/VerifyFortran.f -o CMakeFiles/VerifyFortran.dir/VerifyFortran.f.o
    [ 40%] Linking Fortran static library libVerifyFortran.a
    /usr/local/Cellar/cmake/3.7.1/bin/cmake -P CMakeFiles/VerifyFortran.dir/cmake_clean_target.cmake
    /usr/local/Cellar/cmake/3.7.1/bin/cmake -E cmake_link_script CMakeFiles/VerifyFortran.dir/link.txt --verbose=1
    /usr/bin/ar qc libVerifyFortran.a  CMakeFiles/VerifyFortran.dir/VerifyFortran.f.o
    /usr/bin/ranlib libVerifyFortran.a
    [ 40%] Built target VerifyFortran
    /Library/Developer/CommandLineTools/usr/bin/make -f CMakeFiles/VerifyFortranC.dir/build.make CMakeFiles/VerifyFortranC.dir/depend
    cd /Users/bloring/TECA/build/CMakeFiles/FortranCInterface/VerifyC && /usr/local/Cellar/cmake/3.7.1/bin/cmake -E cmake_depends "Unix Makefiles" /usr/local/Cellar/cmake/3.7.1/share/cmake/Modules/FortranCInterface/Verify /usr/local/Cellar/cmake/3.7.1/share/cmake/Modules/FortranCInterface/Verify /Users/bloring/TECA/build/CMakeFiles/FortranCInterface/VerifyC /Users/bloring/TECA/build/CMakeFiles/FortranCInterface/VerifyC /Users/bloring/TECA/build/CMakeFiles/FortranCInterface/VerifyC/CMakeFiles/VerifyFortranC.dir/DependInfo.cmake
    Scanning dependencies of target VerifyFortranC
    /Library/Developer/CommandLineTools/usr/bin/make -f CMakeFiles/VerifyFortranC.dir/build.make CMakeFiles/VerifyFortranC.dir/build
    [ 60%] Building C object CMakeFiles/VerifyFortranC.dir/main.c.o
    /usr/bin/clang   -I/Users/bloring/TECA/build/CMakeFiles/FortranCInterface/VerifyC  -O3 -DNDEBUG   -o CMakeFiles/VerifyFortranC.dir/main.c.o   -c /usr/local/Cellar/cmake/3.7.1/share/cmake/Modules/FortranCInterface/Verify/main.c
    [ 80%] Building C object CMakeFiles/VerifyFortranC.dir/VerifyC.c.o
    /usr/bin/clang   -I/Users/bloring/TECA/build/CMakeFiles/FortranCInterface/VerifyC  -O3 -DNDEBUG   -o CMakeFiles/VerifyFortranC.dir/VerifyC.c.o   -c /usr/local/Cellar/cmake/3.7.1/share/cmake/Modules/FortranCInterface/Verify/VerifyC.c
    [100%] Linking C executable VerifyFortranC
    /usr/local/Cellar/cmake/3.7.1/bin/cmake -E cmake_link_script CMakeFiles/VerifyFortranC.dir/link.txt --verbose=1
    /usr/bin/clang  -O3 -DNDEBUG -Wl,-search_paths_first -Wl,-headerpad_max_install_names  CMakeFiles/VerifyFortranC.dir/main.c.o CMakeFiles/VerifyFortranC.dir/VerifyC.c.o  -o VerifyFortranC  -L/usr/local/Cellar/gcc/7.1.0/lib/gcc/7/gcc/x86_64-apple-darwin16.5.0/7.1.0  -L/usr/local/Cellar/gcc/7.1.0/lib/gcc/7 libVerifyFortran.a -lgfortran -lquadmath -lm
    Undefined symbols for architecture x86_64:
      "_VerifyFortran", referenced from:
          _main in main.c.o
    ld: symbol(s) not found for architecture x86_64
    clang: error: linker command failed with exit code 1 (use -v to see invocation)
    make[2]: *** [VerifyFortranC] Error 1
    make[1]: *** [CMakeFiles/VerifyFortranC.dir/all] Error 2
    make: *** [all] Error 2
    
Call Stack (most recent call first):
  alg/CMakeLists.txt:74 (FortranCInterface_VERIFY)

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Re: No FortranCInterface mangling known for VerifyFortran -- OSX Sierra

Burlen Loring
upgrading from cmake 3.7.1 to cmake version 3.8.2 resolved the issue.

On 06/02/2017 11:53 AM, Burlen Loring wrote:
After upgrading to latest XCode and command line tools on OSX Sierra our project that uses CMake to mix C++ and Fortran fails to configure. Full output below. Any ideas?

here are version
cmake version 3.7.1
GNU Fortran (Homebrew GCC 7.1.0) 7.1.0
Apple LLVM version 8.1.0 (clang-802.0.42)
and full cmake output
-- Detecting Fortran/C Interface
-- Detecting Fortran/C Interface - Failed to compile
-- Verifying Fortran/C Compiler Compatibility
CMake Warning (dev) at /usr/local/Cellar/cmake/3.7.1/share/cmake/Modules/FortranCInterface.cmake:309 (message):
  No FortranCInterface mangling known for VerifyFortran
Call Stack (most recent call first):
  /usr/local/Cellar/cmake/3.7.1/share/cmake/Modules/FortranCInterface/Verify/CMakeLists.txt:16 (FortranCInterface_HEADER)
This warning is for project developers.  Use -Wno-dev to suppress it.

-- Verifying Fortran/C Compiler Compatibility - Failed
CMake Error at /usr/local/Cellar/cmake/3.7.1/share/cmake/Modules/FortranCInterface.cmake:382 (message):
  The Fortran compiler:

    /usr/local/bin/gfortran

  and the C compiler:

    /usr/bin/clang

  failed to compile a simple test project using both languages.  The output
  was:

    Change Dir: /Users/bloring/TECA/build/CMakeFiles/FortranCInterface/VerifyC
    
    Run Build Command:"/usr/bin/make"
    /usr/local/Cellar/cmake/3.7.1/bin/cmake -H/usr/local/Cellar/cmake/3.7.1/share/cmake/Modules/FortranCInterface/Verify -B/Users/bloring/TECA/build/CMakeFiles/FortranCInterface/VerifyC --check-build-system CMakeFiles/Makefile.cmake 0
    /usr/local/Cellar/cmake/3.7.1/bin/cmake -E cmake_progress_start /Users/bloring/TECA/build/CMakeFiles/FortranCInterface/VerifyC/CMakeFiles /Users/bloring/TECA/build/CMakeFiles/FortranCInterface/VerifyC/CMakeFiles/progress.marks
    /Library/Developer/CommandLineTools/usr/bin/make -f CMakeFiles/Makefile2 all
    /Library/Developer/CommandLineTools/usr/bin/make -f CMakeFiles/VerifyFortran.dir/build.make CMakeFiles/VerifyFortran.dir/depend
    cd /Users/bloring/TECA/build/CMakeFiles/FortranCInterface/VerifyC && /usr/local/Cellar/cmake/3.7.1/bin/cmake -E cmake_depends "Unix Makefiles" /usr/local/Cellar/cmake/3.7.1/share/cmake/Modules/FortranCInterface/Verify /usr/local/Cellar/cmake/3.7.1/share/cmake/Modules/FortranCInterface/Verify /Users/bloring/TECA/build/CMakeFiles/FortranCInterface/VerifyC /Users/bloring/TECA/build/CMakeFiles/FortranCInterface/VerifyC /Users/bloring/TECA/build/CMakeFiles/FortranCInterface/VerifyC/CMakeFiles/VerifyFortran.dir/DependInfo.cmake
    Scanning dependencies of target VerifyFortran
    /Library/Developer/CommandLineTools/usr/bin/make -f CMakeFiles/VerifyFortran.dir/build.make CMakeFiles/VerifyFortran.dir/requires
    make[2]: Nothing to be done for `CMakeFiles/VerifyFortran.dir/requires'.
    /Library/Developer/CommandLineTools/usr/bin/make -f CMakeFiles/VerifyFortran.dir/build.make CMakeFiles/VerifyFortran.dir/build
    [ 20%] Building Fortran object CMakeFiles/VerifyFortran.dir/VerifyFortran.f.o
    /usr/local/bin/gfortran   -I/Users/bloring/TECA/build/CMakeFiles/FortranCInterface/VerifyC  -Wall -Wextra -Wno-conversion -O3 -DNDEBUG -O3   -c /usr/local/Cellar/cmake/3.7.1/share/cmake/Modules/FortranCInterface/Verify/VerifyFortran.f -o CMakeFiles/VerifyFortran.dir/VerifyFortran.f.o
    [ 40%] Linking Fortran static library libVerifyFortran.a
    /usr/local/Cellar/cmake/3.7.1/bin/cmake -P CMakeFiles/VerifyFortran.dir/cmake_clean_target.cmake
    /usr/local/Cellar/cmake/3.7.1/bin/cmake -E cmake_link_script CMakeFiles/VerifyFortran.dir/link.txt --verbose=1
    /usr/bin/ar qc libVerifyFortran.a  CMakeFiles/VerifyFortran.dir/VerifyFortran.f.o
    /usr/bin/ranlib libVerifyFortran.a
    [ 40%] Built target VerifyFortran
    /Library/Developer/CommandLineTools/usr/bin/make -f CMakeFiles/VerifyFortranC.dir/build.make CMakeFiles/VerifyFortranC.dir/depend
    cd /Users/bloring/TECA/build/CMakeFiles/FortranCInterface/VerifyC && /usr/local/Cellar/cmake/3.7.1/bin/cmake -E cmake_depends "Unix Makefiles" /usr/local/Cellar/cmake/3.7.1/share/cmake/Modules/FortranCInterface/Verify /usr/local/Cellar/cmake/3.7.1/share/cmake/Modules/FortranCInterface/Verify /Users/bloring/TECA/build/CMakeFiles/FortranCInterface/VerifyC /Users/bloring/TECA/build/CMakeFiles/FortranCInterface/VerifyC /Users/bloring/TECA/build/CMakeFiles/FortranCInterface/VerifyC/CMakeFiles/VerifyFortranC.dir/DependInfo.cmake
    Scanning dependencies of target VerifyFortranC
    /Library/Developer/CommandLineTools/usr/bin/make -f CMakeFiles/VerifyFortranC.dir/build.make CMakeFiles/VerifyFortranC.dir/build
    [ 60%] Building C object CMakeFiles/VerifyFortranC.dir/main.c.o
    /usr/bin/clang   -I/Users/bloring/TECA/build/CMakeFiles/FortranCInterface/VerifyC  -O3 -DNDEBUG   -o CMakeFiles/VerifyFortranC.dir/main.c.o   -c /usr/local/Cellar/cmake/3.7.1/share/cmake/Modules/FortranCInterface/Verify/main.c
    [ 80%] Building C object CMakeFiles/VerifyFortranC.dir/VerifyC.c.o
    /usr/bin/clang   -I/Users/bloring/TECA/build/CMakeFiles/FortranCInterface/VerifyC  -O3 -DNDEBUG   -o CMakeFiles/VerifyFortranC.dir/VerifyC.c.o   -c /usr/local/Cellar/cmake/3.7.1/share/cmake/Modules/FortranCInterface/Verify/VerifyC.c
    [100%] Linking C executable VerifyFortranC
    /usr/local/Cellar/cmake/3.7.1/bin/cmake -E cmake_link_script CMakeFiles/VerifyFortranC.dir/link.txt --verbose=1
    /usr/bin/clang  -O3 -DNDEBUG -Wl,-search_paths_first -Wl,-headerpad_max_install_names  CMakeFiles/VerifyFortranC.dir/main.c.o CMakeFiles/VerifyFortranC.dir/VerifyC.c.o  -o VerifyFortranC  -L/usr/local/Cellar/gcc/7.1.0/lib/gcc/7/gcc/x86_64-apple-darwin16.5.0/7.1.0  -L/usr/local/Cellar/gcc/7.1.0/lib/gcc/7 libVerifyFortran.a -lgfortran -lquadmath -lm
    Undefined symbols for architecture x86_64:
      "_VerifyFortran", referenced from:
          _main in main.c.o
    ld: symbol(s) not found for architecture x86_64
    clang: error: linker command failed with exit code 1 (use -v to see invocation)
    make[2]: *** [VerifyFortranC] Error 1
    make[1]: *** [CMakeFiles/VerifyFortranC.dir/all] Error 2
    make: *** [all] Error 2
    
Call Stack (most recent call first):
  alg/CMakeLists.txt:74 (FortranCInterface_VERIFY)


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