Hey Pete, I also tried CMAKE_CXX_FLAGS_RELEASE with the same effect. On Mon, Jul 20, 2015, at 09:34 AM, Pete Cooper wrote:> Hi Adrian > > I’m not sure if the CMAKE_CXX_FLAGS is used in LLVM. We have our own > flags for different configurations. I don’t remember if our ones inherit > from CMAKE_CXX_FLAGS or override it completely. Anyway, they are: > - CMAKE_CXX_FLAGS_DEBUG > - CMAKE_CXX_FLAGS_MINSIZEREL > - CMAKE_CXX_FLAGS_RELEASE > - CMAKE_CXX_FLAGS_RELWITHDEBINFO > > The one of those you get depends on what you set CMAKE_BUILD_TYPE to. > Options are ‘Debug, Release, RelWithDebInfo, MinSizeRel’ > > Cheers, > Pete > > On Jul 17, 2015, at 8:41 PM, adek at adek.io wrote: > > > > '-DCMAKE_CXX_FLAGS=-fno-omit-frame-pointer -Wno-maybe-uninitialized > > -fPIC -fPIE' > > -- The C compiler identification is GNU 4.8.1 > > -- The CXX compiler identification is GNU 4.8.1 > > -- Check for working C compiler: > > /home/engshare/third-party2/gcc/4.8.1/centos6-native/cc6c9dc/bin/gcc > > -- Check for working C compiler: > > /home/engshare/third-party2/gcc/4.8.1/centos6-native/cc6c9dc/bin/gcc -- > > works > > -- Detecting C compiler ABI info > > -- Detecting C compiler ABI info - done > > -- Detecting C compile features > > -- Detecting C compile features - done > > -- Check for working CXX compiler: > > /home/engshare/third-party2/gcc/4.8.1/centos6-native/cc6c9dc/bin/g++ > > -- Check for working CXX compiler: > > /home/engshare/third-party2/gcc/4.8.1/centos6-native/cc6c9dc/bin/g++ -- > > works > > -- Detecting CXX compiler ABI info > > -- Detecting CXX compiler ABI info - done > > -- Detecting CXX compile features > > -- Detecting CXX compile features - done > > -- Found PythonInterp: > > /home/engshare/third-party2/python/2.7.5/centos6-native/da39a3e/bin/python2.7 > > (found version "2.7.5") > > -- Looking for unwind.h > > -- Looking for unwind.h - found > > -- Performing Test COMPILER_RT_HAS_FPIC_FLAG > > -- Performing Test COMPILER_RT_HAS_FPIC_FLAG - Success > > -- Performing Test COMPILER_RT_HAS_FPIE_FLAG > > -- Performing Test COMPILER_RT_HAS_FPIE_FLAG - Success > > -- Performing Test COMPILER_RT_HAS_FNO_BUILTIN_FLAG > > -- Performing Test COMPILER_RT_HAS_FNO_BUILTIN_FLAG - Success > > -- Performing Test COMPILER_RT_HAS_FNO_EXCEPTIONS_FLAG > > -- Performing Test COMPILER_RT_HAS_FNO_EXCEPTIONS_FLAG - Success > > -- Performing Test COMPILER_RT_HAS_FOMIT_FRAME_POINTER_FLAG > > -- Performing Test COMPILER_RT_HAS_FOMIT_FRAME_POINTER_FLAG - Success > > > > Is it still related to this: > > http://lists.cs.uiuc.edu/pipermail/llvmdev/2014-March/071394.html > > > > > > Adrian Zgorzałek > > > > _______________________________________________ > > LLVM Developers mailing list > > LLVMdev at cs.uiuc.edu http://llvm.cs.uiuc.edu > > http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev >
> On Jul 20, 2015, at 9:36 AM, adek at adek.io wrote: > > > Hey Pete, > > I also tried CMAKE_CXX_FLAGS_RELEASE > with the same effect.Ah, thats me out of ideas :) Can you post your full cmake invocation and maybe even the cmake log. I don’t know compiler-rt so i may not be any help, but other people who can help would find that useful too. Cheers, Pete> > On Mon, Jul 20, 2015, at 09:34 AM, Pete Cooper wrote: >> Hi Adrian >> >> I’m not sure if the CMAKE_CXX_FLAGS is used in LLVM. We have our own >> flags for different configurations. I don’t remember if our ones inherit >> from CMAKE_CXX_FLAGS or override it completely. Anyway, they are: >> - CMAKE_CXX_FLAGS_DEBUG >> - CMAKE_CXX_FLAGS_MINSIZEREL >> - CMAKE_CXX_FLAGS_RELEASE >> - CMAKE_CXX_FLAGS_RELWITHDEBINFO >> >> The one of those you get depends on what you set CMAKE_BUILD_TYPE to. >> Options are ‘Debug, Release, RelWithDebInfo, MinSizeRel’ >> >> Cheers, >> Pete >>> On Jul 17, 2015, at 8:41 PM, adek at adek.io wrote: >>> >>> '-DCMAKE_CXX_FLAGS=-fno-omit-frame-pointer -Wno-maybe-uninitialized >>> -fPIC -fPIE' >>> -- The C compiler identification is GNU 4.8.1 >>> -- The CXX compiler identification is GNU 4.8.1 >>> -- Check for working C compiler: >>> /home/engshare/third-party2/gcc/4.8.1/centos6-native/cc6c9dc/bin/gcc >>> -- Check for working C compiler: >>> /home/engshare/third-party2/gcc/4.8.1/centos6-native/cc6c9dc/bin/gcc -- >>> works >>> -- Detecting C compiler ABI info >>> -- Detecting C compiler ABI info - done >>> -- Detecting C compile features >>> -- Detecting C compile features - done >>> -- Check for working CXX compiler: >>> /home/engshare/third-party2/gcc/4.8.1/centos6-native/cc6c9dc/bin/g++ >>> -- Check for working CXX compiler: >>> /home/engshare/third-party2/gcc/4.8.1/centos6-native/cc6c9dc/bin/g++ -- >>> works >>> -- Detecting CXX compiler ABI info >>> -- Detecting CXX compiler ABI info - done >>> -- Detecting CXX compile features >>> -- Detecting CXX compile features - done >>> -- Found PythonInterp: >>> /home/engshare/third-party2/python/2.7.5/centos6-native/da39a3e/bin/python2.7 >>> (found version "2.7.5") >>> -- Looking for unwind.h >>> -- Looking for unwind.h - found >>> -- Performing Test COMPILER_RT_HAS_FPIC_FLAG >>> -- Performing Test COMPILER_RT_HAS_FPIC_FLAG - Success >>> -- Performing Test COMPILER_RT_HAS_FPIE_FLAG >>> -- Performing Test COMPILER_RT_HAS_FPIE_FLAG - Success >>> -- Performing Test COMPILER_RT_HAS_FNO_BUILTIN_FLAG >>> -- Performing Test COMPILER_RT_HAS_FNO_BUILTIN_FLAG - Success >>> -- Performing Test COMPILER_RT_HAS_FNO_EXCEPTIONS_FLAG >>> -- Performing Test COMPILER_RT_HAS_FNO_EXCEPTIONS_FLAG - Success >>> -- Performing Test COMPILER_RT_HAS_FOMIT_FRAME_POINTER_FLAG >>> -- Performing Test COMPILER_RT_HAS_FOMIT_FRAME_POINTER_FLAG - Success >>> >>> Is it still related to this: >>> http://lists.cs.uiuc.edu/pipermail/llvmdev/2014-March/071394.html >>> >>> >>> Adrian Zgorzałek >>> >>> _______________________________________________ >>> LLVM Developers mailing list >>> LLVMdev at cs.uiuc.edu http://llvm.cs.uiuc.edu >>> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev >>
Adrian, What makes you think CMAKE_CXX_FLAGS isn’t being respected? The tests will always occur regardless of whether or not you set the CXX_FLAGS explicitly. -Chris> On Jul 20, 2015, at 9:36 AM, adek at adek.io wrote: > > > Hey Pete, > > I also tried CMAKE_CXX_FLAGS_RELEASE > with the same effect. > > On Mon, Jul 20, 2015, at 09:34 AM, Pete Cooper wrote: >> Hi Adrian >> >> I’m not sure if the CMAKE_CXX_FLAGS is used in LLVM. We have our own >> flags for different configurations. I don’t remember if our ones inherit >> from CMAKE_CXX_FLAGS or override it completely. Anyway, they are: >> - CMAKE_CXX_FLAGS_DEBUG >> - CMAKE_CXX_FLAGS_MINSIZEREL >> - CMAKE_CXX_FLAGS_RELEASE >> - CMAKE_CXX_FLAGS_RELWITHDEBINFO >> >> The one of those you get depends on what you set CMAKE_BUILD_TYPE to. >> Options are ‘Debug, Release, RelWithDebInfo, MinSizeRel’ >> >> Cheers, >> Pete >>> On Jul 17, 2015, at 8:41 PM, adek at adek.io wrote: >>> >>> '-DCMAKE_CXX_FLAGS=-fno-omit-frame-pointer -Wno-maybe-uninitialized >>> -fPIC -fPIE' >>> -- The C compiler identification is GNU 4.8.1 >>> -- The CXX compiler identification is GNU 4.8.1 >>> -- Check for working C compiler: >>> /home/engshare/third-party2/gcc/4.8.1/centos6-native/cc6c9dc/bin/gcc >>> -- Check for working C compiler: >>> /home/engshare/third-party2/gcc/4.8.1/centos6-native/cc6c9dc/bin/gcc -- >>> works >>> -- Detecting C compiler ABI info >>> -- Detecting C compiler ABI info - done >>> -- Detecting C compile features >>> -- Detecting C compile features - done >>> -- Check for working CXX compiler: >>> /home/engshare/third-party2/gcc/4.8.1/centos6-native/cc6c9dc/bin/g++ >>> -- Check for working CXX compiler: >>> /home/engshare/third-party2/gcc/4.8.1/centos6-native/cc6c9dc/bin/g++ -- >>> works >>> -- Detecting CXX compiler ABI info >>> -- Detecting CXX compiler ABI info - done >>> -- Detecting CXX compile features >>> -- Detecting CXX compile features - done >>> -- Found PythonInterp: >>> /home/engshare/third-party2/python/2.7.5/centos6-native/da39a3e/bin/python2.7 >>> (found version "2.7.5") >>> -- Looking for unwind.h >>> -- Looking for unwind.h - found >>> -- Performing Test COMPILER_RT_HAS_FPIC_FLAG >>> -- Performing Test COMPILER_RT_HAS_FPIC_FLAG - Success >>> -- Performing Test COMPILER_RT_HAS_FPIE_FLAG >>> -- Performing Test COMPILER_RT_HAS_FPIE_FLAG - Success >>> -- Performing Test COMPILER_RT_HAS_FNO_BUILTIN_FLAG >>> -- Performing Test COMPILER_RT_HAS_FNO_BUILTIN_FLAG - Success >>> -- Performing Test COMPILER_RT_HAS_FNO_EXCEPTIONS_FLAG >>> -- Performing Test COMPILER_RT_HAS_FNO_EXCEPTIONS_FLAG - Success >>> -- Performing Test COMPILER_RT_HAS_FOMIT_FRAME_POINTER_FLAG >>> -- Performing Test COMPILER_RT_HAS_FOMIT_FRAME_POINTER_FLAG - Success >>> >>> Is it still related to this: >>> http://lists.cs.uiuc.edu/pipermail/llvmdev/2014-March/071394.html >>> >>> >>> Adrian Zgorzałek >>> >>> _______________________________________________ >>> LLVM Developers mailing list >>> LLVMdev at cs.uiuc.edu http://llvm.cs.uiuc.edu >>> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev >> > > _______________________________________________ > LLVM Developers mailing list > LLVMdev at cs.uiuc.edu http://llvm.cs.uiuc.edu > http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
Martin J. O'Riordan
2015-Jul-20 20:39 UTC
[LLVMdev] CMake does not propagate flags to build
I regularly use '-DCMAKE_CXX_FLAGS' when configuring CLang/LLVM to distinguish my builds (Alpha/Beta/Final) or to build custom versions, usually by adding additional '-D' flags, but I discovered I had to add the ':STRING' qualifier to it when invoking 'cmake'. With 'gmake' this is equivalent to '--with-extra-options="whatever flags": -DCMAKE_CXX_FLAGS:STRING="whatever flags" This works regardless of whether it is a Debug or Release build. All the best, MartinO -----Original Message----- From: llvmdev-bounces at cs.uiuc.edu [mailto:llvmdev-bounces at cs.uiuc.edu] On Behalf Of Chris Bieneman Sent: 20 July 2015 19:23 To: adek at adek.io Cc: llvmdev at cs.uiuc.edu Subject: Re: [LLVMdev] CMake does not propagate flags to build Adrian, What makes you think CMAKE_CXX_FLAGS isn’t being respected? The tests will always occur regardless of whether or not you set the CXX_FLAGS explicitly. -Chris> On Jul 20, 2015, at 9:36 AM, adek at adek.io wrote: > > > Hey Pete, > > I also tried CMAKE_CXX_FLAGS_RELEASE > with the same effect. > > On Mon, Jul 20, 2015, at 09:34 AM, Pete Cooper wrote: >> Hi Adrian >> >> I’m not sure if the CMAKE_CXX_FLAGS is used in LLVM. We have our own >> flags for different configurations. I don’t remember if our ones >> inherit from CMAKE_CXX_FLAGS or override it completely. Anyway, they are: >> - CMAKE_CXX_FLAGS_DEBUG >> - CMAKE_CXX_FLAGS_MINSIZEREL >> - CMAKE_CXX_FLAGS_RELEASE >> - CMAKE_CXX_FLAGS_RELWITHDEBINFO >> >> The one of those you get depends on what you set CMAKE_BUILD_TYPE to. >> Options are ‘Debug, Release, RelWithDebInfo, MinSizeRel’ >> >> Cheers, >> Pete >>> On Jul 17, 2015, at 8:41 PM, adek at adek.io wrote: >>> >>> '-DCMAKE_CXX_FLAGS=-fno-omit-frame-pointer -Wno-maybe-uninitialized >>> -fPIC -fPIE' >>> -- The C compiler identification is GNU 4.8.1 >>> -- The CXX compiler identification is GNU 4.8.1 >>> -- Check for working C compiler: >>> /home/engshare/third-party2/gcc/4.8.1/centos6-native/cc6c9dc/bin/gcc >>> -- Check for working C compiler: >>> /home/engshare/third-party2/gcc/4.8.1/centos6-native/cc6c9dc/bin/gcc >>> -- works >>> -- Detecting C compiler ABI info >>> -- Detecting C compiler ABI info - done >>> -- Detecting C compile features >>> -- Detecting C compile features - done >>> -- Check for working CXX compiler: >>> /home/engshare/third-party2/gcc/4.8.1/centos6-native/cc6c9dc/bin/g++ >>> -- Check for working CXX compiler: >>> /home/engshare/third-party2/gcc/4.8.1/centos6-native/cc6c9dc/bin/g++ >>> -- works >>> -- Detecting CXX compiler ABI info >>> -- Detecting CXX compiler ABI info - done >>> -- Detecting CXX compile features >>> -- Detecting CXX compile features - done >>> -- Found PythonInterp: >>> /home/engshare/third-party2/python/2.7.5/centos6-native/da39a3e/bin/ >>> python2.7 >>> (found version "2.7.5") >>> -- Looking for unwind.h >>> -- Looking for unwind.h - found >>> -- Performing Test COMPILER_RT_HAS_FPIC_FLAG >>> -- Performing Test COMPILER_RT_HAS_FPIC_FLAG - Success >>> -- Performing Test COMPILER_RT_HAS_FPIE_FLAG >>> -- Performing Test COMPILER_RT_HAS_FPIE_FLAG - Success >>> -- Performing Test COMPILER_RT_HAS_FNO_BUILTIN_FLAG >>> -- Performing Test COMPILER_RT_HAS_FNO_BUILTIN_FLAG - Success >>> -- Performing Test COMPILER_RT_HAS_FNO_EXCEPTIONS_FLAG >>> -- Performing Test COMPILER_RT_HAS_FNO_EXCEPTIONS_FLAG - Success >>> -- Performing Test COMPILER_RT_HAS_FOMIT_FRAME_POINTER_FLAG >>> -- Performing Test COMPILER_RT_HAS_FOMIT_FRAME_POINTER_FLAG - >>> Success >>> >>> Is it still related to this: >>> http://lists.cs.uiuc.edu/pipermail/llvmdev/2014-March/071394.html >>> >>> >>> Adrian Zgorzałek >>> >>> _______________________________________________ >>> LLVM Developers mailing list >>> LLVMdev at cs.uiuc.edu http://llvm.cs.uiuc.edu >>> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev >> > > _______________________________________________ > LLVM Developers mailing list > LLVMdev at cs.uiuc.edu http://llvm.cs.uiuc.edu > http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev_______________________________________________ LLVM Developers mailing list LLVMdev at cs.uiuc.edu http://llvm.cs.uiuc.edu http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
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