[LLVMdev] CMake does not propagate flags to build

[adek at adek.io]

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
> > 
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