[libc-dev] libc project can't be built together with other projects

[Itaru Kitayama via libc-dev]

Shouldn't a project be independent of other projects?

On Tue, Dec 3, 2019 at 8:19 AM Siva Chandra <sivachandra at google.com> wrote:

> It seems to me that openmp requires clang to be built along with it.
> For example, remove libc from the list and you will be able to
> reproduce the same errors you are seeing. Add clang and they will go
> away.
>
> On Mon, Dec 2, 2019 at 3:11 PM Itaru Kitayama <itaru.kitayama at gmail.com>
> wrote:
> >
> > cmake -GNinja -DCMAKE_BUILD_TYPE=Release
> -DCMAKE_INSTALL_PREFIX=$HOME/opt/llvm-libc/${now}
> -DCMAKE_C_COMPILER=armclang -DCMAKE_CXX_COMPILER=armclang++
> -DLLVM_ENABLE_PROJECTS="libc;openmp"
> -DLLVM_TARGETS_TO_BUILD="AArch64;NVPTX" ~/projects/llvm-project/llvm
> >
> > On Tue, Dec 3, 2019 at 7:58 AM Siva Chandra <sivachandra at google.com>
> wrote:
> >>
> >> I normally build clang and LLD along with libc and have not seen any
> >> problems. I added openmp to that list now and could build without any
> >> problems. My CMake line was:
> >>
> >> $> cmake ../llvm -G Ninja
> >> -DLLVM_ENABLE_PROJECTS="libc;clang;lld;openmp"
> >> -DLLVM_USE_SANITIZER=Address
> >>
> >> Can you share the cmake command line that is causing problems for you?
> >>
> >> On Mon, Dec 2, 2019 at 2:41 PM Itaru Kitayama via libc-dev
> >> <libc-dev at lists.llvm.org> wrote:
> >> >
> >> > If I add, for example, openmp to the list of projects, CMake errors
> out:
> >> >
> >> > [...]
> >> > -- Performing Test HAVE_POSIX_REGEX
> >> > -- Performing Test HAVE_POSIX_REGEX -- success
> >> > -- Performing Test HAVE_STEADY_CLOCK
> >> > -- Performing Test HAVE_STEADY_CLOCK
> >> > -- Performing Test HAVE_STEADY_CLOCK -- success
> >> > -- Configuring done
> >> > CMake Error at cmake/modules/AddLLVM.cmake:1456 (add_dependencies):
> >> >   The dependency target "clang" of target "check-all" does not exist.
> >> > Call Stack (most recent call first):
> >> >   CMakeLists.txt:987 (add_lit_target)
> >> >
> >> >
> >> > CMake Error at cmake/modules/AddLLVM.cmake:1456 (add_dependencies):
> >> >   The dependency target "clang-resource-headers" of target
> "check-all" does
> >> >   not exist.
> >> > Call Stack (most recent call first):
> >> >   CMakeLists.txt:987 (add_lit_target)
> >> >
> >> >
> >> > CMake Error at
> /fefs/home/r1050/projects/llvm-project/llvm/cmake/modules/AddLLVM.cmake:1456
> (add_dependencies):
> >> >   The dependency target "clang" of target "check-openmp" does not
> exist.
> >> > Call Stack (most recent call first):
> >> >
>  /fefs/home/r1050/projects/llvm-project/llvm/cmake/modules/AddLLVM.cmake:1477
> (add_lit_target)
> >> >
>  /fefs/home/r1050/projects/llvm-project/openmp/cmake/OpenMPTesting.cmake:175
> (add_lit_testsuite)
> >> >
>  /fefs/home/r1050/projects/llvm-project/openmp/cmake/OpenMPTesting.cmake:190
> (add_openmp_testsuite)
> >> >   /fefs/home/r1050/projects/llvm-project/openmp/CMakeLists.txt:95
> (construct_check_openmp_target)
> >> >
> >> >
> >> > CMake Error at
> /fefs/home/r1050/projects/llvm-project/llvm/cmake/modules/AddLLVM.cmake:1456
> (add_dependencies):
> >> >   The dependency target "clang-resource-headers" of target
> "check-openmp"
> >> >   does not exist.
> >> > Call Stack (most recent call first):
> >> >
>  /fefs/home/r1050/projects/llvm-project/llvm/cmake/modules/AddLLVM.cmake:1477
> (add_lit_target)
> >> >
>  /fefs/home/r1050/projects/llvm-project/openmp/cmake/OpenMPTesting.cmake:175
> (add_lit_testsuite)
> >> >
>  /fefs/home/r1050/projects/llvm-project/openmp/cmake/OpenMPTesting.cmake:190
> (add_openmp_testsuite)
> >> >   /fefs/home/r1050/projects/llvm-project/openmp/CMakeLists.txt:95
> (construct_check_openmp_target)
> >> >
> >> >
> >> > CMake Error at
> /fefs/home/r1050/projects/llvm-project/llvm/cmake/modules/AddLLVM.cmake:1456
> (add_dependencies):
> >> >   The dependency target "clang" of target "check-ompt" does not exist.
> >> > Call Stack (most recent call first):
> >> >
>  /fefs/home/r1050/projects/llvm-project/llvm/cmake/modules/AddLLVM.cmake:1477
> (add_lit_target)
> >> >
>  /fefs/home/r1050/projects/llvm-project/openmp/cmake/OpenMPTesting.cmake:175
> (add_lit_testsuite)
> >> >
>  /fefs/home/r1050/projects/llvm-project/openmp/runtime/test/CMakeLists.txt:36
> (add_openmp_testsuite)
> >> >
> >> >
> >> > CMake Error at
> /fefs/home/r1050/projects/llvm-project/llvm/cmake/modules/AddLLVM.cmake:1456
> (add_dependencies):
> >> >   The dependency target "clang-resource-headers" of target
> "check-ompt" does
> >> >   not exist.
> >> > Call Stack (most recent call first):
> >> >
>  /fefs/home/r1050/projects/llvm-project/llvm/cmake/modules/AddLLVM.cmake:1477
> (add_lit_target)
> >> >
>  /fefs/home/r1050/projects/llvm-project/openmp/cmake/OpenMPTesting.cmake:175
> (add_lit_testsuite)
> >> >
>  /fefs/home/r1050/projects/llvm-project/openmp/runtime/test/CMakeLists.txt:36
> (add_openmp_testsuite)
> >> >
> >> >
> >> > CMake Error at
> /fefs/home/r1050/projects/llvm-project/llvm/cmake/modules/AddLLVM.cmake:1456
> (add_dependencies):
> >> >   The dependency target "clang" of target "check-libomp" does not
> exist.
> >> > Call Stack (most recent call first):
> >> >
>  /fefs/home/r1050/projects/llvm-project/llvm/cmake/modules/AddLLVM.cmake:1477
> (add_lit_target)
> >> >
>  /fefs/home/r1050/projects/llvm-project/openmp/cmake/OpenMPTesting.cmake:175
> (add_lit_testsuite)
> >> >
>  /fefs/home/r1050/projects/llvm-project/openmp/runtime/test/CMakeLists.txt:33
> (add_openmp_testsuite)
> >> >
> >> >
> >> > CMake Error at
> /fefs/home/r1050/projects/llvm-project/llvm/cmake/modules/AddLLVM.cmake:1456
> (add_dependencies):
> >> >   The dependency target "clang-resource-headers" of target
> "check-libomp"
> >> >   does not exist.
> >> > Call Stack (most recent call first):
> >> >
>  /fefs/home/r1050/projects/llvm-project/llvm/cmake/modules/AddLLVM.cmake:1477
> (add_lit_target)
> >> >
>  /fefs/home/r1050/projects/llvm-project/openmp/cmake/OpenMPTesting.cmake:175
> (add_lit_testsuite)
> >> >
>  /fefs/home/r1050/projects/llvm-project/openmp/runtime/test/CMakeLists.txt:33
> (add_openmp_testsuite)
> >> >
> >> >
> >> > CMake Error at
> /fefs/home/r1050/projects/llvm-project/llvm/cmake/modules/AddLLVM.cmake:1456
> (add_dependencies):
> >> >   The dependency target "clang" of target "check-libomptarget" does
> not
> >> >   exist.
> >> > Call Stack (most recent call first):
> >> >
>  /fefs/home/r1050/projects/llvm-project/llvm/cmake/modules/AddLLVM.cmake:1477
> (add_lit_target)
> >> >
>  /fefs/home/r1050/projects/llvm-project/openmp/cmake/OpenMPTesting.cmake:175
> (add_lit_testsuite)
> >> >
>  /fefs/home/r1050/projects/llvm-project/openmp/libomptarget/test/CMakeLists.txt:15
> (add_openmp_testsuite)
> >> >
> >> >
> >> > CMake Error at
> /fefs/home/r1050/projects/llvm-project/llvm/cmake/modules/AddLLVM.cmake:1456
> (add_dependencies):
> >> >   The dependency target "clang-resource-headers" of target
> >> >   "check-libomptarget" does not exist.
> >> > Call Stack (most recent call first):
> >> >
>  /fefs/home/r1050/projects/llvm-project/llvm/cmake/modules/AddLLVM.cmake:1477
> (add_lit_target)
> >> >
>  /fefs/home/r1050/projects/llvm-project/openmp/cmake/OpenMPTesting.cmake:175
> (add_lit_testsuite)
> >> >
>  /fefs/home/r1050/projects/llvm-project/openmp/libomptarget/test/CMakeLists.txt:15
> (add_openmp_testsuite)
> >> >
> >> >
> >> > CMake Error at
> /fefs/home/r1050/projects/llvm-project/llvm/cmake/modules/AddLLVM.cmake:1456
> (add_dependencies):
> >> >   The dependency target "clang" of target "check-libarcher" does not
> exist.
> >> > Call Stack (most recent call first):
> >> >
>  /fefs/home/r1050/projects/llvm-project/llvm/cmake/modules/AddLLVM.cmake:1477
> (add_lit_target)
> >> >
>  /fefs/home/r1050/projects/llvm-project/openmp/cmake/OpenMPTesting.cmake:175
> (add_lit_testsuite)
> >> >
>  /fefs/home/r1050/projects/llvm-project/openmp/tools/archer/tests/CMakeLists.txt:29
> (add_openmp_testsuite)
> >> >
> >> >
> >> > CMake Error at
> /fefs/home/r1050/projects/llvm-project/llvm/cmake/modules/AddLLVM.cmake:1456
> (add_dependencies):
> >> >   The dependency target "clang-resource-headers" of target
> "check-libarcher"
> >> >   does not exist.
> >> > Call Stack (most recent call first):
> >> >
>  /fefs/home/r1050/projects/llvm-project/llvm/cmake/modules/AddLLVM.cmake:1477
> (add_lit_target)
> >> >
>  /fefs/home/r1050/projects/llvm-project/openmp/cmake/OpenMPTesting.cmake:175
> (add_lit_testsuite)
> >> >
>  /fefs/home/r1050/projects/llvm-project/openmp/tools/archer/tests/CMakeLists.txt:29
> (add_openmp_testsuite)
> >> > _______________________________________________
> >> > libc-dev mailing list
> >> > libc-dev at lists.llvm.org
> >> > https://lists.llvm.org/cgi-bin/mailman/listinfo/libc-dev
>
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