openmp/runtime/cmake/LibompHandleFlags.cmake

#
#//===----------------------------------------------------------------------===//
#//
#//                     The LLVM Compiler Infrastructure
#//
#// This file is dual licensed under the MIT and the University of Illinois Open
#// Source Licenses. See LICENSE.txt for details.
#//
#//===----------------------------------------------------------------------===//
#

# Setup the flags correctly for cmake (covert to string)
# Pretty them up (STRIP any beginning and trailing whitespace,
# remove duplicates, remove empty entries)
macro(libomp_setup_flags flags)
    if(NOT "${${flags}}" STREQUAL "") # if flags are empty, don't do anything
        set(flags_local)
        list(REMOVE_DUPLICATES ${flags}) # remove duplicates
        list(REMOVE_ITEM ${flags} "") # remove empty items
        libomp_list_to_string("${${flags}}" flags_local)
        string(STRIP "${flags_local}" flags_local)
        set(${flags} "${flags_local}")
    endif()
endmacro()

# Gets flags common to both the C and C++ compiler
function(libomp_get_c_and_cxxflags_common flags)
    set(flags_local)
    libomp_append(flags_local -std=c++11 LIBOMP_HAVE_STD_CPP11_FLAG)
    libomp_append(flags_local -fno-exceptions LIBOMP_HAVE_FNO_EXCEPTIONS_FLAG)
    libomp_append(flags_local -Wsign-compare LIBOMP_HAVE_WSIGN_COMPARE_FLAG)
    libomp_append(flags_local -Wno-unused-value LIBOMP_HAVE_WNO_UNUSED_VALUE_FLAG)
    libomp_append(flags_local -Wno-switch LIBOMP_HAVE_WNO_SWITCH_FLAG)
    libomp_append(flags_local -Wno-deprecated-register LIBOMP_HAVE_WNO_DEPRECATED_REGISTER_FLAG)
    libomp_append(flags_local /GS LIBOMP_HAVE_GS_FLAG)
    libomp_append(flags_local /EHsc LIBOMP_HAVE_EHSC_FLAG)
    libomp_append(flags_local /Oy- LIBOMP_HAVE_OY__FLAG)
    # Intel(R) C Compiler flags
    libomp_append(flags_local /Qsafeseh LIBOMP_HAVE_QSAFESEH_FLAG)
    libomp_append(flags_local -Qoption,cpp,--extended_float_types LIBOMP_HAVE_EXTENDED_FLOAT_TYPES_FLAG)
    libomp_append(flags_local -Qlong_double LIBOMP_HAVE_LONG_DOUBLE_FLAG)
    libomp_append(flags_local -Qdiag-disable:177 LIBOMP_HAVE_DIAG_DISABLE_177_FLAG)
    if(${RELEASE_BUILD} OR ${RELWITHDEBINFO_BUILD})
        libomp_append(flags_local -Qinline-min-size=1 LIBOMP_HAVE_INLINE_MIN_SIZE_FLAG)
    endif()
    # Architectural C and C++ flags
    if(${IA32})
        if(CMAKE_SIZEOF_VOID_P EQUAL 8)
            libomp_append(flags_local -m32 LIBOMP_HAVE_M32_FLAG)
        endif()
        libomp_append(flags_local /arch:SSE2 LIBOMP_HAVE_ARCH_SSE2_FLAG)
        libomp_append(flags_local -msse2 LIBOMP_HAVE_MSSE2_FLAG)
        libomp_append(flags_local -falign-stack=maintain-16-byte LIBOMP_HAVE_FALIGN_STACK_FLAG)
    elseif(${MIC})
        libomp_append(flags_local -mmic LIBOMP_HAVE_MMIC_FLAG)
        libomp_append(flags_local -ftls-model=initial-exec LIBOMP_HAVE_FTLS_MODEL_FLAG)
        libomp_append(flags_local "-opt-streaming-stores never" LIBOMP_HAVE_OPT_STREAMING_STORES_FLAG)
    endif()
    set(${flags} ${flags_local} PARENT_SCOPE)
endfunction()

# C compiler flags
function(libomp_get_cflags cflags)
    set(cflags_local)
    libomp_get_c_and_cxxflags_common(cflags_local)
    # flags only for the C Compiler
    libomp_append(cflags_local /TP LIBOMP_HAVE_TP_FLAG)
    libomp_append(cflags_local "-x c++" LIBOMP_HAVE_X_CPP_FLAG)
    set(cflags_local ${cflags_local} ${LIBOMP_CFLAGS})
    libomp_setup_flags(cflags_local)
    set(${cflags} ${cflags_local} PARENT_SCOPE)
endfunction()

# C++ compiler flags
function(libomp_get_cxxflags cxxflags)
    set(cxxflags_local)
    libomp_get_c_and_cxxflags_common(cxxflags_local)
    set(cxxflags_local ${cxxflags_local} ${LIBOMP_CXXFLAGS})
    libomp_setup_flags(cxxflags_local)
    set(${cxxflags} ${cxxflags_local} PARENT_SCOPE)
endfunction()

# Assembler flags
function(libomp_get_asmflags asmflags)
    set(asmflags_local)
    libomp_append(asmflags_local "-x assembler-with-cpp" LIBOMP_HAVE_X_ASSEMBLER_WITH_CPP_FLAG)
    # Architectural assembler flags
    if(${IA32})
        if(CMAKE_SIZEOF_VOID_P EQUAL 8)
            libomp_append(asmflags_local -m32 LIBOMP_HAVE_M32_FLAG)
        endif()
        libomp_append(asmflags_local /safeseh LIBOMP_HAVE_SAFESEH_MASM_FLAG)
        libomp_append(asmflags_local /coff LIBOMP_HAVE_COFF_MASM_FLAG)
    elseif(${MIC})
        libomp_append(asmflags_local -mmic LIBOMP_HAVE_MMIC_FLAG)
    endif()
    set(asmflags_local ${asmflags_local} ${LIBOMP_ASMFLAGS})
    libomp_setup_flags(asmflags_local)
    set(${asmflags} ${asmflags_local} PARENT_SCOPE)
endfunction()

# Linker flags
function(libomp_get_ldflags ldflags)
    set(ldflags_local)
    libomp_append(ldflags_local "${CMAKE_LINK_DEF_FILE_FLAG}${CMAKE_CURRENT_BINARY_DIR}/${LIBOMP_LIB_NAME}.def"
        IF_DEFINED CMAKE_LINK_DEF_FILE_FLAG)
    libomp_append(ldflags_local "${CMAKE_C_OSX_CURRENT_VERSION_FLAG}${LIBOMP_VERSION}.0"
        IF_DEFINED CMAKE_C_OSX_CURRENT_VERSION_FLAG)
    libomp_append(ldflags_local "${CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG}${LIBOMP_VERSION}.0"
        IF_DEFINED CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG)
    libomp_append(ldflags_local -Wl,--warn-shared-textrel LIBOMP_HAVE_WARN_SHARED_TEXTREL_FLAG)
    libomp_append(ldflags_local -Wl,--as-needed LIBOMP_HAVE_AS_NEEDED_FLAG)
    libomp_append(ldflags_local "-Wl,--version-script=${LIBOMP_SRC_DIR}/exports_so.txt" LIBOMP_HAVE_VERSION_SCRIPT_FLAG)
    libomp_append(ldflags_local -static-libgcc LIBOMP_HAVE_STATIC_LIBGCC_FLAG)
    libomp_append(ldflags_local -Wl,-z,noexecstack LIBOMP_HAVE_Z_NOEXECSTACK_FLAG)
    libomp_append(ldflags_local -Wl,-fini=__kmp_internal_end_fini LIBOMP_HAVE_FINI_FLAG)
    libomp_append(ldflags_local -no-intel-extensions LIBOMP_HAVE_NO_INTEL_EXTENSIONS_FLAG)
    libomp_append(ldflags_local -static-intel LIBOMP_HAVE_STATIC_INTEL_FLAG)
    libomp_append(ldflags_local /SAFESEH LIBOMP_HAVE_SAFESEH_FLAG)
    # Architectural linker flags
    if(${IA32})
        if(CMAKE_SIZEOF_VOID_P EQUAL 8)
            libomp_append(ldflags_local -m32 LIBOMP_HAVE_M32_FLAG)
        endif()
        libomp_append(ldflags_local -msse2 LIBOMP_HAVE_MSSE2_FLAG)
    elseif(${MIC})
        libomp_append(ldflags_local -mmic LIBOMP_HAVE_MMIC_FLAG)
        libomp_append(ldflags_local -Wl,-x LIBOMP_HAVE_X_FLAG)
    endif()
    set(ldflags_local ${ldflags_local} ${LIBOMP_LDFLAGS})
    libomp_setup_flags(ldflags_local)
    set(${ldflags} ${ldflags_local} PARENT_SCOPE)
endfunction()

# Library flags
function(libomp_get_libflags libflags)
    set(libflags_local)
    libomp_append(libflags_local "${CMAKE_THREAD_LIBS_INIT}")
    if(${IA32})
        libomp_append(libflags_local -lirc_pic LIBOMP_HAVE_IRC_PIC_LIBRARY)
    endif()
    set(libflags_local ${libflags_local} ${LIBOMP_LIBFLAGS})
    libomp_setup_flags(libflags_local)
    set(${libflags} ${libflags_local} PARENT_SCOPE)
endfunction()

# Fortran flags
function(libomp_get_fflags fflags)
    set(fflags_local)
    if(${IA32})
        libomp_append(fflags_local -m32 LIBOMP_HAVE_M32_FORTRAN_FLAG)
    endif()
    set(fflags_local ${fflags_local} ${LIBOMP_FFLAGS})
    libomp_setup_flags(fflags_local)
    set(${fflags} ${fflags_local} PARENT_SCOPE)
endfunction()

# Perl expand-vars.pl flags
function(libomp_get_evflags evflags)
    set(evflags_local)
    libomp_append(evflags_local "-D KMP_TYPE=\"${LIBOMP_LEGAL_TYPE}\"")
    libomp_append(evflags_local "-D KMP_ARCH=\"${LIBOMP_LEGAL_ARCH}\"")
    libomp_append(evflags_local "-D KMP_VERSION_MAJOR=${LIBOMP_VERSION}")
    libomp_append(evflags_local "-D KMP_VERSION_MINOR=0")
    libomp_append(evflags_local "-D KMP_VERSION_BUILD=${LIBOMP_BUILD_NUMBER}")
    libomp_append(evflags_local "-D KMP_BUILD_DATE=\"${LIBOMP_DATE}\"")
    if(${DEBUG_BUILD} OR ${RELWITHDEBINFO_BUILD})
        libomp_append(evflags_local "-D KMP_DIAG=1")
        libomp_append(evflags_local "-D KMP_DEBUG_INFO=1")
    else()
        libomp_append(evflags_local "-D KMP_DIAG=0")
        libomp_append(evflags_local "-D KMP_DEBUG_INFO=0")
    endif()
    if(${LIBOMP_OMP_VERSION} EQUAL 40 OR ${LIBOMP_OMP_VERSION} GREATER 40)
        libomp_append(evflags_local "-D OMP_VERSION=201307")
    elseif(${LIBOMP_OMP_VERSION} EQUAL 30 OR ${LIBOMP_OMP_VERSION} GREATER 30)
        libomp_append(evflags_local "-D OMP_VERSION=201107")
    else()
        libomp_append(evflags_local "-D OMP_VERSION=200505")
    endif()
    set(${evflags} ${evflags_local} PARENT_SCOPE)
endfunction()

# Perl generate-defs.pl flags (For Windows only)
function(libomp_get_gdflags gdflags)
    set(gdflags_local)
    if(${IA32})
        set(libomp_gdflag_arch arch_32)
    elseif(${INTEL64})
        set(libomp_gdflag_arch arch_32e)
    else()
        set(libomp_gdflag_arch arch_${LIBOMP_ARCH})
    endif()
    libomp_append(gdflags_local "-D ${libomp_gdflag_arch}")
    libomp_append(gdflags_local "-D msvc_compat")
    libomp_append(gdflags_local "-D norm" NORMAL_LIBRARY)
    libomp_append(gdflags_local "-D prof" PROFILE_LIBRARY)
    libomp_append(gdflags_local "-D stub" STUBS_LIBRARY)
    libomp_append(gdflags_local "-D HAVE_QUAD" LIBOMP_USE_QUAD_PRECISION)
    if(${LIBOMP_OMP_VERSION} GREATER 41 OR ${LIBOMP_OMP_VERSION} EQUAL 41)
        libomp_append(gdflags_local "-D OMP_41")
    endif()
    if(${LIBOMP_OMP_VERSION} GREATER 40 OR ${LIBOMP_OMP_VERSION} EQUAL 40)
        libomp_append(gdflags_local "-D OMP_40")
    endif()
    if(${LIBOMP_OMP_VERSION} GREATER 30 OR ${LIBOMP_OMP_VERSION} EQUAL 30)
        libomp_append(gdflags_local "-D OMP_30")
    endif()
    if(${DEBUG_BUILD} OR ${RELWITHDEBINFO_BUILD})
        libomp_append(gdflags_local "-D KMP_DEBUG")
    endif()
    set(${gdflags} ${gdflags_local} PARENT_SCOPE)
endfunction()