1# 2#//===----------------------------------------------------------------------===// 3#// 4#// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 5#// See https://llvm.org/LICENSE.txt for license information. 6#// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 7#// 8#//===----------------------------------------------------------------------===// 9# 10 11# Setup the flags correctly for cmake (covert to string) 12# Pretty them up (STRIP any beginning and trailing whitespace, 13# remove duplicates, remove empty entries) 14macro(libomp_setup_flags flags) 15 if(NOT "${${flags}}" STREQUAL "") # if flags are empty, don't do anything 16 set(flags_local) 17 list(REMOVE_DUPLICATES ${flags}) # remove duplicates 18 list(REMOVE_ITEM ${flags} "") # remove empty items 19 libomp_list_to_string("${${flags}}" flags_local) 20 string(STRIP "${flags_local}" flags_local) 21 set(${flags} "${flags_local}") 22 endif() 23endmacro() 24 25# C++ compiler flags 26function(libomp_get_cxxflags cxxflags) 27 set(flags_local) 28 libomp_append(flags_local -fno-exceptions LIBOMP_HAVE_FNO_EXCEPTIONS_FLAG) 29 libomp_append(flags_local -fno-rtti LIBOMP_HAVE_FNO_RTTI_FLAG) 30 libomp_append(flags_local -Wno-class-memaccess LIBOMP_HAVE_WNO_CLASS_MEMACCESS_FLAG) 31 libomp_append(flags_local -Wno-covered-switch-default LIBOMP_HAVE_WNO_COVERED_SWITCH_DEFAULT_FLAG) 32 libomp_append(flags_local -Wno-frame-address LIBOMP_HAVE_WNO_FRAME_ADDRESS_FLAG) 33 libomp_append(flags_local -Wno-missing-braces LIBOMP_HAVE_WNO_MISSING_BRACES_FLAG) 34 libomp_append(flags_local -Wno-strict-aliasing LIBOMP_HAVE_WNO_STRICT_ALIASING_FLAG) 35 libomp_append(flags_local -Wstringop-overflow=0 LIBOMP_HAVE_WSTRINGOP_OVERFLOW_FLAG) 36 libomp_append(flags_local -Wno-stringop-truncation LIBOMP_HAVE_WNO_STRINGOP_TRUNCATION_FLAG) 37 libomp_append(flags_local -Wno-switch LIBOMP_HAVE_WNO_SWITCH_FLAG) 38 libomp_append(flags_local -Wno-uninitialized LIBOMP_HAVE_WNO_UNINITIALIZED_FLAG) 39 libomp_append(flags_local -Wno-unused-but-set-variable LIBOMP_HAVE_WNO_UNUSED_BUT_SET_VARIABLE_FLAG) 40 libomp_append(flags_local /GS LIBOMP_HAVE_GS_FLAG) 41 libomp_append(flags_local /EHsc LIBOMP_HAVE_EHSC_FLAG) 42 libomp_append(flags_local /Oy- LIBOMP_HAVE_OY__FLAG) 43 libomp_append(flags_local -mrtm LIBOMP_HAVE_MRTM_FLAG) 44 # Intel(R) C Compiler flags 45 libomp_append(flags_local /Qsafeseh LIBOMP_HAVE_QSAFESEH_FLAG) 46 libomp_append(flags_local -Qoption,cpp,--extended_float_types LIBOMP_HAVE_EXTENDED_FLOAT_TYPES_FLAG) 47 libomp_append(flags_local -Qlong_double LIBOMP_HAVE_LONG_DOUBLE_FLAG) 48 libomp_append(flags_local -Qdiag-disable:177 LIBOMP_HAVE_DIAG_DISABLE_177_FLAG) 49 if(${RELEASE_BUILD} OR ${RELWITHDEBINFO_BUILD}) 50 libomp_append(flags_local -Qinline-min-size=1 LIBOMP_HAVE_INLINE_MIN_SIZE_FLAG) 51 endif() 52 # Architectural C and C++ flags 53 if(${IA32}) 54 if(CMAKE_SIZEOF_VOID_P EQUAL 8) 55 libomp_append(flags_local -m32 LIBOMP_HAVE_M32_FLAG) 56 endif() 57 libomp_append(flags_local /arch:SSE2 LIBOMP_HAVE_ARCH_SSE2_FLAG) 58 libomp_append(flags_local -msse2 LIBOMP_HAVE_MSSE2_FLAG) 59 libomp_append(flags_local -falign-stack=maintain-16-byte LIBOMP_HAVE_FALIGN_STACK_FLAG) 60 elseif(${MIC}) 61 libomp_append(flags_local -mmic LIBOMP_HAVE_MMIC_FLAG) 62 libomp_append(flags_local -ftls-model=initial-exec LIBOMP_HAVE_FTLS_MODEL_FLAG) 63 libomp_append(flags_local "-opt-streaming-stores never" LIBOMP_HAVE_OPT_STREAMING_STORES_FLAG) 64 endif() 65 set(cxxflags_local ${flags_local} ${LIBOMP_CXXFLAGS}) 66 libomp_setup_flags(cxxflags_local) 67 set(${cxxflags} ${cxxflags_local} PARENT_SCOPE) 68endfunction() 69 70# Assembler flags 71function(libomp_get_asmflags asmflags) 72 set(asmflags_local) 73 libomp_append(asmflags_local "-x assembler-with-cpp" LIBOMP_HAVE_X_ASSEMBLER_WITH_CPP_FLAG) 74 # Architectural assembler flags 75 if(${IA32}) 76 if(CMAKE_SIZEOF_VOID_P EQUAL 8) 77 libomp_append(asmflags_local -m32 LIBOMP_HAVE_M32_FLAG) 78 endif() 79 libomp_append(asmflags_local /safeseh LIBOMP_HAVE_SAFESEH_MASM_FLAG) 80 libomp_append(asmflags_local /coff LIBOMP_HAVE_COFF_MASM_FLAG) 81 elseif(${MIC}) 82 libomp_append(asmflags_local -mmic LIBOMP_HAVE_MMIC_FLAG) 83 endif() 84 set(asmflags_local ${asmflags_local} ${LIBOMP_ASMFLAGS}) 85 libomp_setup_flags(asmflags_local) 86 set(${asmflags} ${asmflags_local} PARENT_SCOPE) 87endfunction() 88 89# Linker flags 90function(libomp_get_ldflags ldflags) 91 set(ldflags_local) 92 libomp_append(ldflags_local "${CMAKE_LINK_DEF_FILE_FLAG}${CMAKE_CURRENT_BINARY_DIR}/${LIBOMP_LIB_NAME}.def" 93 IF_DEFINED CMAKE_LINK_DEF_FILE_FLAG) 94 libomp_append(ldflags_local "${CMAKE_C_OSX_CURRENT_VERSION_FLAG}${LIBOMP_VERSION_MAJOR}.${LIBOMP_VERSION_MINOR}" 95 IF_DEFINED CMAKE_C_OSX_CURRENT_VERSION_FLAG) 96 libomp_append(ldflags_local "${CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG}${LIBOMP_VERSION_MAJOR}.${LIBOMP_VERSION_MINOR}" 97 IF_DEFINED CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG) 98 libomp_append(ldflags_local -Wl,--warn-shared-textrel LIBOMP_HAVE_WARN_SHARED_TEXTREL_FLAG) 99 libomp_append(ldflags_local -Wl,--as-needed LIBOMP_HAVE_AS_NEEDED_FLAG) 100 libomp_append(ldflags_local "-Wl,--version-script=${LIBOMP_SRC_DIR}/exports_so.txt" LIBOMP_HAVE_VERSION_SCRIPT_FLAG) 101 libomp_append(ldflags_local -static-libgcc LIBOMP_HAVE_STATIC_LIBGCC_FLAG) 102 libomp_append(ldflags_local -Wl,-z,noexecstack LIBOMP_HAVE_Z_NOEXECSTACK_FLAG) 103 libomp_append(ldflags_local -Wl,-fini=__kmp_internal_end_fini LIBOMP_HAVE_FINI_FLAG) 104 libomp_append(ldflags_local -no-intel-extensions LIBOMP_HAVE_NO_INTEL_EXTENSIONS_FLAG) 105 libomp_append(ldflags_local -static-intel LIBOMP_HAVE_STATIC_INTEL_FLAG) 106 libomp_append(ldflags_local /SAFESEH LIBOMP_HAVE_SAFESEH_FLAG) 107 # Architectural linker flags 108 if(${IA32}) 109 if(CMAKE_SIZEOF_VOID_P EQUAL 8) 110 libomp_append(ldflags_local -m32 LIBOMP_HAVE_M32_FLAG) 111 endif() 112 libomp_append(ldflags_local -msse2 LIBOMP_HAVE_MSSE2_FLAG) 113 elseif(${MIC}) 114 libomp_append(ldflags_local -mmic LIBOMP_HAVE_MMIC_FLAG) 115 libomp_append(ldflags_local -Wl,-x LIBOMP_HAVE_X_FLAG) 116 endif() 117 set(ldflags_local ${ldflags_local} ${LIBOMP_LDFLAGS}) 118 libomp_setup_flags(ldflags_local) 119 set(${ldflags} ${ldflags_local} PARENT_SCOPE) 120endfunction() 121 122# Library flags 123function(libomp_get_libflags libflags) 124 set(libflags_local) 125 libomp_append(libflags_local "${CMAKE_THREAD_LIBS_INIT}") 126 libomp_append(libflags_local "${LIBOMP_HWLOC_LIBRARY}" LIBOMP_USE_HWLOC) 127 if(${IA32}) 128 libomp_append(libflags_local -lirc_pic LIBOMP_HAVE_IRC_PIC_LIBRARY) 129 endif() 130 if(${CMAKE_SYSTEM_NAME} MATCHES "DragonFly") 131 libomp_append(libflags_local "-Wl,--no-as-needed" LIBOMP_HAVE_AS_NEEDED_FLAG) 132 libomp_append(libflags_local "-lm") 133 libomp_append(libflags_local "-Wl,--as-needed" LIBOMP_HAVE_AS_NEEDED_FLAG) 134 elseif(${CMAKE_SYSTEM_NAME} MATCHES "(Free|Net)BSD") 135 libomp_append(libflags_local -lm) 136 endif() 137 set(libflags_local ${libflags_local} ${LIBOMP_LIBFLAGS}) 138 libomp_setup_flags(libflags_local) 139 set(${libflags} ${libflags_local} PARENT_SCOPE) 140endfunction() 141 142# Fortran flags 143function(libomp_get_fflags fflags) 144 set(fflags_local) 145 if(${IA32}) 146 libomp_append(fflags_local -m32 LIBOMP_HAVE_M32_FORTRAN_FLAG) 147 endif() 148 set(fflags_local ${fflags_local} ${LIBOMP_FFLAGS}) 149 libomp_setup_flags(fflags_local) 150 set(${fflags} ${fflags_local} PARENT_SCOPE) 151endfunction() 152 153# Perl generate-defs.pl flags (For Windows only) 154function(libomp_get_gdflags gdflags) 155 set(gdflags_local) 156 if(${IA32}) 157 set(libomp_gdflag_arch arch_32) 158 elseif(${INTEL64}) 159 set(libomp_gdflag_arch arch_32e) 160 else() 161 set(libomp_gdflag_arch arch_${LIBOMP_ARCH}) 162 endif() 163 libomp_append(gdflags_local "-D ${libomp_gdflag_arch}") 164 libomp_append(gdflags_local "-D msvc_compat") 165 libomp_append(gdflags_local "-D norm" NORMAL_LIBRARY) 166 libomp_append(gdflags_local "-D prof" PROFILE_LIBRARY) 167 libomp_append(gdflags_local "-D stub" STUBS_LIBRARY) 168 libomp_append(gdflags_local "-D HAVE_QUAD" LIBOMP_USE_QUAD_PRECISION) 169 libomp_append(gdflags_local "-D USE_DEBUGGER" LIBOMP_USE_DEBUGGER) 170 if(${DEBUG_BUILD} OR ${RELWITHDEBINFO_BUILD}) 171 libomp_append(gdflags_local "-D KMP_DEBUG") 172 endif() 173 set(${gdflags} ${gdflags_local} PARENT_SCOPE) 174endfunction() 175