Tony Kelman wrote:
LMH <lmh_users-groups <at> molconn.com> writes:
It looks like I need to point CMAKE_CXX_COMPILER_ID to clang, but I am not
sure how
to do that. I don't know if the problem is with the CMakeLists.txt file,
the way I am
calling cmake, or with my local cygwin configuration.
Are you setting -DCMAKE_CXX_COMPILER=clang ?
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I tried a few things like,
cmake -DCMAKE_CXX_COMPILER=/usr/bin/clang++ ./src
That gets me a different set of errors,
CMake Error at /usr/share/cmake-3.3.2/Modules/CMakeTestCXXCompiler.cmake:54
(message):
The C++ compiler "/usr/bin/clang++" is not able to compile a simple test
program.
It fails with the following output:
Change Dir:
/cygdrive/g/shared_data/SMD/ATomilov_quickhull/tomilov-quickhull-7faf277d6cc2_cmake/CMakeFiles/CMakeTmp
Run Build Command:"/usr/bin/make.exe" "cmTC_35956/fast"
/usr/bin/make -f CMakeFiles/cmTC_35956.dir/build.make
CMakeFiles/cmTC_35956.dir/build
make[1]: Entering directory
'/cygdrive/g/shared_data/SMD/ATomilov_quickhull/tomilov-quickhull-7faf277d6cc2_cmake/CMakeFiles/CMakeTmp'
Building CXX object CMakeFiles/cmTC_35956.dir/testCXXCompiler.cxx.o
/usr/bin/clang++ -o CMakeFiles/cmTC_35956.dir/testCXXCompiler.cxx.o -c
/cygdrive/g/shared_data/SMD/ATomilov_quickhull/tomilov-quickhull-7faf277d6cc2_cmake/CMakeFiles/CMakeTmp/testCXXCompiler.cxx
CMakeFiles/cmTC_35956.dir/build.make:65: recipe for target
'CMakeFiles/cmTC_35956.dir/testCXXCompiler.cxx.o' failed
make[1]: Leaving directory
'/cygdrive/g/shared_data/SMD/ATomilov_quickhull/tomilov-quickhull-7faf277d6cc2_cmake/CMakeFiles/CMakeTmp'
Makefile:126: recipe for target 'cmTC_35956/fast' failed
make[1]: *** [CMakeFiles/cmTC_35956.dir/testCXXCompiler.cxx.o] Error 127
make: *** [cmTC_35956/fast] Error 2
CMake will not be able to correctly generate this project.
Call Stack (most recent call first):
CMakeLists.txt:1 (project)
This is odd that it can't seem to build a test program. Csaba suggests that I should
have left the CMakeLists.txt file outside of the src directory, but I haven't figured
out how to run cmake like that yet. I'm not sure that has anything to do with the
test build failure, so I suspect that there is still some local config problem going on.
Marco suggests some problems with the CMakeLists.txt, so I'm not sure which to try to
run down first.
LMH
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