mirror of https://github.com/QMCPACK/qmcpack.git
108 lines
5.1 KiB
CMake
Executable File
108 lines
5.1 KiB
CMake
Executable File
# Check compiler version
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IF ( CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0 )
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MESSAGE(FATAL_ERROR "Requires gcc 5.0 or higher ")
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ENDIF()
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# Set the std
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SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c99")
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# Enable OpenMP
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IF(QMC_OMP)
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SET(ENABLE_OPENMP 1)
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SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fopenmp")
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SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fopenmp")
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ENDIF(QMC_OMP)
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# Set gnu specific flags (which we always want)
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ADD_DEFINITIONS( -Drestrict=__restrict__ )
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SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -finline-limit=1000 -fstrict-aliasing -funroll-all-loops")
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SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -finline-limit=1000 -fstrict-aliasing -funroll-all-loops -D__forceinline=inline")
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SET( CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -fno-omit-frame-pointer" )
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SET( CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -fno-omit-frame-pointer" )
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# Suppress compile warnings
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SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-deprecated")
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SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-deprecated")
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# treat VLA as error
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SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror=vla")
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SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wvla")
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# set compiler warnings
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SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}" )
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SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wcomment -Wmisleading-indentation -Wmaybe-uninitialized -Wuninitialized -Wreorder -Wno-unknown-pragmas -Wno-sign-compare")
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# Set extra optimization specific flags
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SET( CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -fomit-frame-pointer -ffast-math" )
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SET( CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -fomit-frame-pointer -ffast-math" )
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SET( CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO} -fomit-frame-pointer -ffast-math" )
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SET( CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} -fomit-frame-pointer -ffast-math" )
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# Special architectural flags
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#--------------------------------------
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# case arch
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# x86_64: -march
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# powerpc: -mpcu
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# arm: -mpcu
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# default or cray: none
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#--------------------------------------
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IF($ENV{CRAYPE_VERSION} MATCHES ".")
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# It's a cray machine. Don't do anything
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ELSEIF(CMAKE_SYSTEM_PROCESSOR MATCHES "x86_64")
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# the case for x86_64
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# check if the user has already specified -march=XXXX option for cross-compiling.
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if(CMAKE_CXX_FLAGS MATCHES "-march=" OR CMAKE_C_FLAGS MATCHES "-march=")
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# make sure that the user specifies -march= for both CMAKE_CXX_FLAGS and CMAKE_C_FLAGS.
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if(CMAKE_CXX_FLAGS MATCHES "-march=" AND CMAKE_C_FLAGS MATCHES "-march=")
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else() #(CMAKE_CXX_FLAGS MATCHES "-march=" AND CMAKE_C_FLAGS MATCHES "-march=")
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MESSAGE(FATAL_ERROR "if -march=ARCH is specified by the user, it should be added in both CMAKE_CXX_FLAGS and CMAKE_C_FLAGS!")
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endif() #(CMAKE_CXX_FLAGS MATCHES "-march=" AND CMAKE_C_FLAGS MATCHES "-march=")
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else() #(CMAKE_CXX_FLAGS MATCHES "-march=" OR CMAKE_C_FLAGS MATCHES "-march=")
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# use -march=native
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SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=native")
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SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=native")
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endif() #(CMAKE_CXX_FLAGS MATCHES "-march=" OR CMAKE_C_FLAGS MATCHES "-march=")
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ELSEIF(CMAKE_SYSTEM_PROCESSOR MATCHES "ppc64" OR CMAKE_SYSTEM_PROCESSOR MATCHES "aarch64")
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# the case for PowerPC and ARM
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# check if the user has already specified -mcpu=XXXX option for cross-compiling.
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if(CMAKE_CXX_FLAGS MATCHES "-mcpu=" OR CMAKE_C_FLAGS MATCHES "-mcpu=")
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# make sure that the user specifies -mcpu= for both CMAKE_CXX_FLAGS and CMAKE_C_FLAGS.
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if(CMAKE_CXX_FLAGS MATCHES "-mcpu=" AND CMAKE_C_FLAGS MATCHES "-mcpu=")
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else() #(CMAKE_CXX_FLAGS MATCHES "-mcpu=" AND CMAKE_C_FLAGS MATCHES "-mcpu=")
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MESSAGE(FATAL_ERROR "if -mcpu=ARCH is specified by the user, it should be added in both CMAKE_CXX_FLAGS and CMAKE_C_FLAGS!")
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endif() #(CMAKE_CXX_FLAGS MATCHES "-mcpu=" AND CMAKE_C_FLAGS MATCHES "-mcpu=")
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else() #(CMAKE_CXX_FLAGS MATCHES "-mcpu=" OR CMAKE_C_FLAGS MATCHES "-mcpu=")
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# use -mcpu=native
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SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mcpu=native")
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SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mcpu=native")
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endif() #(CMAKE_CXX_FLAGS MATCHES "-mcpu=" OR CMAKE_C_FLAGS MATCHES "-mcpu=")
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ENDIF()
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# protect buggy libmvec
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FILE( WRITE "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/src_glibc.cxx"
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"#include <iostream>\n#if __GLIBC__ == 2 && ( __GLIBC_MINOR__ == 22 || __GLIBC_MINOR__ == 23 )\n#error buggy glibc version\n#endif\n int main() { return 0; }\n" )
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try_compile(PASS_GLIBC ${CMAKE_BINARY_DIR}
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${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/src_glibc.cxx
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CMAKE_FLAGS "${CMAKE_CXX_FLAGS}" )
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IF ( NOT PASS_GLIBC )
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MESSAGE(FATAL_ERROR "Your system and GNU compiler are using glibc 2.22 or 2.23 which contains a buggy libmvec. This results in crashes. Workaround needed. Alternatively upgrade or use another compiler.")
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ENDIF()
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# Add static flags if necessary
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IF(QMC_BUILD_STATIC)
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SET(CMAKE_CXX_LINK_FLAGS " -static")
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ENDIF(QMC_BUILD_STATIC)
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# Coverage
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IF (ENABLE_GCOV)
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SET(GCOV_SUPPORTED TRUE)
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SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} --coverage")
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SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} --coverage")
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SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} --coverage")
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SET(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} --coverage")
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ENDIF(ENABLE_GCOV)
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