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# Gets flags common to both the C and C++ compiler 26function(libomp_get_c_and_cxxflags_common flags) 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 if(${OPENMP_STANDALONE_BUILD}) 31 libomp_append(flags_local -Wsign-compare LIBOMP_HAVE_WNO_SIGN_COMPARE_FLAG) 32 libomp_append(flags_local -Wunused-function LIBOMP_HAVE_WNO_UNUSED_FUNCTION_FLAG) 33 libomp_append(flags_local -Wunused-local-typedef LIBOMP_HAVE_WNO_UNUSED_LOCAL_TYPEDEF_FLAG) 34 libomp_append(flags_local -Wunused-value LIBOMP_HAVE_WNO_UNUSED_VALUE_FLAG) 35 libomp_append(flags_local -Wunused-variable LIBOMP_HAVE_WNO_UNUSED_VARIABLE_FLAG) 36 libomp_append(flags_local -Wdeprecated-register LIBOMP_HAVE_WNO_DEPRECATED_REGISTER_FLAG) 37 libomp_append(flags_local -Wunknown-pragmas LIBOMP_HAVE_WNO_UNKNOWN_PRAGMAS_FLAG) 38 libomp_append(flags_local -Wcomment LIBOMP_HAVE_WNO_COMMENT_FLAG) 39 libomp_append(flags_local -Wself-assign LIBOMP_HAVE_WNO_SELF_ASSIGN_FLAG) 40 libomp_append(flags_local -Wformat-pedantic LIBOMP_HAVE_WNO_FORMAT_PEDANTIC_FLAG) 41 endif() 42 libomp_append(flags_local -Wno-switch LIBOMP_HAVE_WNO_SWITCH_FLAG) 43 libomp_append(flags_local -Wno-covered-switch-default LIBOMP_HAVE_WNO_COVERED_SWITCH_DEFAULT_FLAG) 44 libomp_append(flags_local -Wno-gnu-anonymous-struct LIBOMP_HAVE_WNO_GNU_ANONYMOUS_STRUCT_FLAG) 45 libomp_append(flags_local -Wno-missing-field-initializers LIBOMP_HAVE_WNO_MISSING_FIELD_INITIALIZERS_FLAG) 46 libomp_append(flags_local -Wno-missing-braces LIBOMP_HAVE_WNO_MISSING_BRACES_FLAG) 47 libomp_append(flags_local -Wno-vla-extension LIBOMP_HAVE_WNO_VLA_EXTENSION_FLAG) 48 libomp_append(flags_local -Wstringop-overflow=0 LIBOMP_HAVE_WSTRINGOP_OVERFLOW_FLAG) 49 libomp_append(flags_local /GS LIBOMP_HAVE_GS_FLAG) 50 libomp_append(flags_local /EHsc LIBOMP_HAVE_EHSC_FLAG) 51 libomp_append(flags_local /Oy- LIBOMP_HAVE_OY__FLAG) 52 libomp_append(flags_local -mrtm LIBOMP_HAVE_MRTM_FLAG) 53 # Intel(R) C Compiler flags 54 libomp_append(flags_local /Qsafeseh LIBOMP_HAVE_QSAFESEH_FLAG) 55 libomp_append(flags_local -Qoption,cpp,--extended_float_types LIBOMP_HAVE_EXTENDED_FLOAT_TYPES_FLAG) 56 libomp_append(flags_local -Qlong_double LIBOMP_HAVE_LONG_DOUBLE_FLAG) 57 libomp_append(flags_local -Qdiag-disable:177 LIBOMP_HAVE_DIAG_DISABLE_177_FLAG) 58 if(${RELEASE_BUILD} OR ${RELWITHDEBINFO_BUILD}) 59 libomp_append(flags_local -Qinline-min-size=1 LIBOMP_HAVE_INLINE_MIN_SIZE_FLAG) 60 endif() 61 # Architectural C and C++ flags 62 if(${IA32}) 63 if(CMAKE_SIZEOF_VOID_P EQUAL 8) 64 libomp_append(flags_local -m32 LIBOMP_HAVE_M32_FLAG) 65 endif() 66 libomp_append(flags_local /arch:SSE2 LIBOMP_HAVE_ARCH_SSE2_FLAG) 67 libomp_append(flags_local -msse2 LIBOMP_HAVE_MSSE2_FLAG) 68 libomp_append(flags_local -falign-stack=maintain-16-byte LIBOMP_HAVE_FALIGN_STACK_FLAG) 69 elseif(${MIC}) 70 libomp_append(flags_local -mmic LIBOMP_HAVE_MMIC_FLAG) 71 libomp_append(flags_local -ftls-model=initial-exec LIBOMP_HAVE_FTLS_MODEL_FLAG) 72 libomp_append(flags_local "-opt-streaming-stores never" LIBOMP_HAVE_OPT_STREAMING_STORES_FLAG) 73 endif() 74 set(${flags} ${flags_local} PARENT_SCOPE) 75endfunction() 76 77# C++ compiler flags 78function(libomp_get_cxxflags cxxflags) 79 set(cxxflags_local) 80 libomp_get_c_and_cxxflags_common(cxxflags_local) 81 if(${OPENMP_STANDALONE_BUILD}) 82 libomp_append(cxxflags_local -Wcast-qual LIBOMP_HAVE_WCAST_QUAL_FLAG) 83 endif() 84 set(cxxflags_local ${cxxflags_local} ${LIBOMP_CXXFLAGS}) 85 libomp_setup_flags(cxxflags_local) 86 set(${cxxflags} ${cxxflags_local} PARENT_SCOPE) 87endfunction() 88 89# Assembler flags 90function(libomp_get_asmflags asmflags) 91 set(asmflags_local) 92 libomp_append(asmflags_local "-x assembler-with-cpp" LIBOMP_HAVE_X_ASSEMBLER_WITH_CPP_FLAG) 93 # Architectural assembler flags 94 if(${IA32}) 95 if(CMAKE_SIZEOF_VOID_P EQUAL 8) 96 libomp_append(asmflags_local -m32 LIBOMP_HAVE_M32_FLAG) 97 endif() 98 libomp_append(asmflags_local /safeseh LIBOMP_HAVE_SAFESEH_MASM_FLAG) 99 libomp_append(asmflags_local /coff LIBOMP_HAVE_COFF_MASM_FLAG) 100 elseif(${MIC}) 101 libomp_append(asmflags_local -mmic LIBOMP_HAVE_MMIC_FLAG) 102 endif() 103 set(asmflags_local ${asmflags_local} ${LIBOMP_ASMFLAGS}) 104 libomp_setup_flags(asmflags_local) 105 set(${asmflags} ${asmflags_local} PARENT_SCOPE) 106endfunction() 107 108# Linker flags 109function(libomp_get_ldflags ldflags) 110 set(ldflags_local) 111 libomp_append(ldflags_local "${CMAKE_LINK_DEF_FILE_FLAG}${CMAKE_CURRENT_BINARY_DIR}/${LIBOMP_LIB_NAME}.def" 112 IF_DEFINED CMAKE_LINK_DEF_FILE_FLAG) 113 libomp_append(ldflags_local "${CMAKE_C_OSX_CURRENT_VERSION_FLAG}${LIBOMP_VERSION_MAJOR}.${LIBOMP_VERSION_MINOR}" 114 IF_DEFINED CMAKE_C_OSX_CURRENT_VERSION_FLAG) 115 libomp_append(ldflags_local "${CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG}${LIBOMP_VERSION_MAJOR}.${LIBOMP_VERSION_MINOR}" 116 IF_DEFINED CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG) 117 libomp_append(ldflags_local -Wl,--warn-shared-textrel LIBOMP_HAVE_WARN_SHARED_TEXTREL_FLAG) 118 libomp_append(ldflags_local -Wl,--as-needed LIBOMP_HAVE_AS_NEEDED_FLAG) 119 libomp_append(ldflags_local "-Wl,--version-script=${LIBOMP_SRC_DIR}/exports_so.txt" LIBOMP_HAVE_VERSION_SCRIPT_FLAG) 120 libomp_append(ldflags_local -static-libgcc LIBOMP_HAVE_STATIC_LIBGCC_FLAG) 121 libomp_append(ldflags_local -Wl,-z,noexecstack LIBOMP_HAVE_Z_NOEXECSTACK_FLAG) 122 libomp_append(ldflags_local -Wl,-fini=__kmp_internal_end_fini LIBOMP_HAVE_FINI_FLAG) 123 libomp_append(ldflags_local -no-intel-extensions LIBOMP_HAVE_NO_INTEL_EXTENSIONS_FLAG) 124 libomp_append(ldflags_local -static-intel LIBOMP_HAVE_STATIC_INTEL_FLAG) 125 libomp_append(ldflags_local /SAFESEH LIBOMP_HAVE_SAFESEH_FLAG) 126 # Architectural linker flags 127 if(${IA32}) 128 if(CMAKE_SIZEOF_VOID_P EQUAL 8) 129 libomp_append(ldflags_local -m32 LIBOMP_HAVE_M32_FLAG) 130 endif() 131 libomp_append(ldflags_local -msse2 LIBOMP_HAVE_MSSE2_FLAG) 132 elseif(${MIC}) 133 libomp_append(ldflags_local -mmic LIBOMP_HAVE_MMIC_FLAG) 134 libomp_append(ldflags_local -Wl,-x LIBOMP_HAVE_X_FLAG) 135 endif() 136 set(ldflags_local ${ldflags_local} ${LIBOMP_LDFLAGS}) 137 libomp_setup_flags(ldflags_local) 138 set(${ldflags} ${ldflags_local} PARENT_SCOPE) 139endfunction() 140 141# Library flags 142function(libomp_get_libflags libflags) 143 set(libflags_local) 144 libomp_append(libflags_local "${CMAKE_THREAD_LIBS_INIT}") 145 libomp_append(libflags_local "${LIBOMP_HWLOC_LIBRARY}" LIBOMP_USE_HWLOC) 146 if(${IA32}) 147 libomp_append(libflags_local -lirc_pic LIBOMP_HAVE_IRC_PIC_LIBRARY) 148 endif() 149 if(${CMAKE_SYSTEM_NAME} MATCHES "DragonFly") 150 libomp_append(libflags_local "-Wl,--no-as-needed" LIBOMP_HAVE_AS_NEEDED_FLAG) 151 libomp_append(libflags_local "-lm") 152 libomp_append(libflags_local "-Wl,--as-needed" LIBOMP_HAVE_AS_NEEDED_FLAG) 153 elseif(${CMAKE_SYSTEM_NAME} MATCHES "(Free|Net)BSD") 154 libomp_append(libflags_local -lm) 155 endif() 156 set(libflags_local ${libflags_local} ${LIBOMP_LIBFLAGS}) 157 libomp_setup_flags(libflags_local) 158 set(${libflags} ${libflags_local} PARENT_SCOPE) 159endfunction() 160 161# Fortran flags 162function(libomp_get_fflags fflags) 163 set(fflags_local) 164 if(${IA32}) 165 libomp_append(fflags_local -m32 LIBOMP_HAVE_M32_FORTRAN_FLAG) 166 endif() 167 set(fflags_local ${fflags_local} ${LIBOMP_FFLAGS}) 168 libomp_setup_flags(fflags_local) 169 set(${fflags} ${fflags_local} PARENT_SCOPE) 170endfunction() 171 172# Perl generate-defs.pl flags (For Windows only) 173function(libomp_get_gdflags gdflags) 174 set(gdflags_local) 175 if(${IA32}) 176 set(libomp_gdflag_arch arch_32) 177 elseif(${INTEL64}) 178 set(libomp_gdflag_arch arch_32e) 179 else() 180 set(libomp_gdflag_arch arch_${LIBOMP_ARCH}) 181 endif() 182 libomp_append(gdflags_local "-D ${libomp_gdflag_arch}") 183 libomp_append(gdflags_local "-D msvc_compat") 184 libomp_append(gdflags_local "-D norm" NORMAL_LIBRARY) 185 libomp_append(gdflags_local "-D prof" PROFILE_LIBRARY) 186 libomp_append(gdflags_local "-D stub" STUBS_LIBRARY) 187 libomp_append(gdflags_local "-D HAVE_QUAD" LIBOMP_USE_QUAD_PRECISION) 188 libomp_append(gdflags_local "-D USE_DEBUGGER" LIBOMP_USE_DEBUGGER) 189 if(${DEBUG_BUILD} OR ${RELWITHDEBINFO_BUILD}) 190 libomp_append(gdflags_local "-D KMP_DEBUG") 191 endif() 192 set(${gdflags} ${gdflags_local} PARENT_SCOPE) 193endfunction() 194