mirror of https://github.com/QMCPACK/qmcpack.git
68 lines
2.8 KiB
CMake
68 lines
2.8 KiB
CMake
# Check compiler version
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IF ( CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.3 )
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MESSAGE(STATUS "Compiler Version ${CMAKE_CXX_COMPILER_VERSION}")
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MESSAGE(FATAL_ERROR "Requires clang 3.3 or higher ")
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ENDIF()
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# Set the std
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SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c99")
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# Enable OpenMP
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SET(ENABLE_OPENMP 1)
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IF ( ENABLE_OPENMP )
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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()
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# Set clang specfic flags (which we always want)
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ADD_DEFINITIONS( -Drestrict=__restrict__ )
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SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fomit-frame-pointer -fstrict-aliasing")
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SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fomit-frame-pointer -fstrict-aliasing -D__forceinline=inline")
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SET( HAVE_POSIX_MEMALIGN 0 ) # Clang doesn't support -malign-double
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# Suppress compile warnings
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SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-deprecated -Wno-unused-value")
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SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-deprecated -Wno-unused-value -Wno-undefined-var-template")
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# Set extra optimization specific flags
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SET( CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -ffast-math" )
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SET( CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -ffast-math" )
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SET( CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO} -ffast-math" )
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SET( CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} -ffast-math" )
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#------------------------
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# Not on Cray's machine
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#------------------------
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IF(NOT $ENV{CRAYPE_VERSION} MATCHES ".")
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#check if the user has already specified -march=XXXX option for cross-compiling.
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if(CMAKE_CXX_FLAGS MATCHES "-march=" OR CMAKE_C_FLAGS MATCHES "-march=")
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# make sure that the user specifies -march= for both CMAKE_CXX_FLAGS and CMAKE_C_FLAGS.
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if(CMAKE_CXX_FLAGS MATCHES "-march=" AND CMAKE_C_FLAGS MATCHES "-march=")
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else() #(CMAKE_CXX_FLAGS MATCHES "-march=" AND CMAKE_C_FLAGS MATCHES "-march=")
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MESSAGE(FATAL_ERROR "if -march=ARCH is specified by the user, it should be added in both CMAKE_CXX_FLAGS and CMAKE_C_FLAGS!")
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endif() #(CMAKE_CXX_FLAGS MATCHES "-march=" AND CMAKE_C_FLAGS MATCHES "-march=")
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else() #(CMAKE_CXX_FLAGS MATCHES "-march=" OR CMAKE_C_FLAGS MATCHES "-march=")
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# use -march=native
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SET(CMAKE_C_FLAGS "${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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ENDIF(NOT $ENV{CRAYPE_VERSION} MATCHES ".")
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# Add static flags if necessary
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IF(QMC_BUILD_STATIC)
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SET(CMAKE_CXX_LINK_FLAGS " -static")
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ENDIF(QMC_BUILD_STATIC)
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# Coverage
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IF (ENABLE_GCOV)
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SET(GCOV_COVERAGE TRUE)
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SET(CMAKE_CXX_FLAGS "${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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