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annotate projects/compiler-rt/cmake/base-config-ix.cmake @ 225:f7655407a6ba

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remove unnecessary files
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 19 Jul 2021 03:48:36 +0900
parents f476a9ba4795
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
131
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1 # The CompilerRT build system requires CMake version 2.8.8 or higher in order
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2 # to use its support for building convenience "libraries" as a collection of
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3 # .o files. This is particularly useful in producing larger, more complex
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4 # runtime libraries.
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5
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6 include(CheckIncludeFile)
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7 include(CheckCXXSourceCompiles)
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8
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9 check_include_file(unwind.h HAVE_UNWIND_H)
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10
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11 # Top level target used to build all compiler-rt libraries.
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12 add_custom_target(compiler-rt ALL)
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13 add_custom_target(install-compiler-rt)
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14 add_custom_target(install-compiler-rt-stripped)
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15 set_target_properties(compiler-rt PROPERTIES FOLDER "Compiler-RT Misc")
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16
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17 # Setting these variables from an LLVM build is sufficient that compiler-rt can
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18 # construct the output paths, so it can behave as if it were in-tree here.
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19 if (LLVM_LIBRARY_OUTPUT_INTDIR AND LLVM_RUNTIME_OUTPUT_INTDIR AND PACKAGE_VERSION)
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20 set(LLVM_TREE_AVAILABLE On)
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21 endif()
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22
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23 if (LLVM_TREE_AVAILABLE)
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24 # Compute the Clang version from the LLVM version.
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25 # FIXME: We should be able to reuse CLANG_VERSION variable calculated
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26 # in Clang cmake files, instead of copying the rules here.
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27 string(REGEX MATCH "[0-9]+\\.[0-9]+(\\.[0-9]+)?" CLANG_VERSION
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28 ${PACKAGE_VERSION})
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29 # Setup the paths where compiler-rt runtimes and headers should be stored.
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30 set(COMPILER_RT_OUTPUT_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}/clang/${CLANG_VERSION})
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31 set(COMPILER_RT_EXEC_OUTPUT_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR})
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32 set(COMPILER_RT_INSTALL_PATH lib${LLVM_LIBDIR_SUFFIX}/clang/${CLANG_VERSION})
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33 option(COMPILER_RT_INCLUDE_TESTS "Generate and build compiler-rt unit tests."
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34 ${LLVM_INCLUDE_TESTS})
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35 option(COMPILER_RT_ENABLE_WERROR "Fail and stop if warning is triggered"
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36 ${LLVM_ENABLE_WERROR})
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37 # Use just-built Clang to compile/link tests on all platforms, except for
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38 # Windows where we need to use clang-cl instead.
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39 if(NOT MSVC)
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40 set(COMPILER_RT_TEST_COMPILER ${LLVM_RUNTIME_OUTPUT_INTDIR}/clang)
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41 set(COMPILER_RT_TEST_CXX_COMPILER ${LLVM_RUNTIME_OUTPUT_INTDIR}/clang++)
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42 else()
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43 set(COMPILER_RT_TEST_COMPILER ${LLVM_RUNTIME_OUTPUT_INTDIR}/clang.exe)
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44 set(COMPILER_RT_TEST_CXX_COMPILER ${LLVM_RUNTIME_OUTPUT_INTDIR}/clang++.exe)
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45 endif()
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46 else()
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47 # Take output dir and install path from the user.
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48 set(COMPILER_RT_OUTPUT_DIR ${CMAKE_CURRENT_BINARY_DIR} CACHE PATH
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49 "Path where built compiler-rt libraries should be stored.")
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50 set(COMPILER_RT_EXEC_OUTPUT_DIR ${CMAKE_CURRENT_BINARY_DIR}/bin CACHE PATH
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51 "Path where built compiler-rt executables should be stored.")
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52 set(COMPILER_RT_INSTALL_PATH ${CMAKE_INSTALL_PREFIX} CACHE PATH
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53 "Path where built compiler-rt libraries should be installed.")
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54 option(COMPILER_RT_INCLUDE_TESTS "Generate and build compiler-rt unit tests." OFF)
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55 option(COMPILER_RT_ENABLE_WERROR "Fail and stop if warning is triggered" OFF)
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56 # Use a host compiler to compile/link tests.
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57 set(COMPILER_RT_TEST_COMPILER ${CMAKE_C_COMPILER} CACHE PATH "Compiler to use for testing")
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58 set(COMPILER_RT_TEST_CXX_COMPILER ${CMAKE_CXX_COMPILER} CACHE PATH "C++ Compiler to use for testing")
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59 endif()
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60
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61 if("${COMPILER_RT_TEST_COMPILER}" MATCHES "clang[+]*$")
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62 set(COMPILER_RT_TEST_COMPILER_ID Clang)
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63 elseif("${COMPILER_RT_TEST_COMPILER}" MATCHES "clang.*.exe$")
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64 set(COMPILER_RT_TEST_COMPILER_ID Clang)
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65 else()
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66 set(COMPILER_RT_TEST_COMPILER_ID GNU)
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67 endif()
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68
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69 if(NOT DEFINED COMPILER_RT_OS_DIR)
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70 string(TOLOWER ${CMAKE_SYSTEM_NAME} COMPILER_RT_OS_DIR)
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71 endif()
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72 set(COMPILER_RT_LIBRARY_OUTPUT_DIR
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73 ${COMPILER_RT_OUTPUT_DIR}/lib/${COMPILER_RT_OS_DIR})
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74 set(COMPILER_RT_LIBRARY_INSTALL_DIR
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75 ${COMPILER_RT_INSTALL_PATH}/lib/${COMPILER_RT_OS_DIR})
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76
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77 if(APPLE)
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78 # On Darwin if /usr/include doesn't exist, the user probably has Xcode but not
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79 # the command line tools. If this is the case, we need to find the OS X
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80 # sysroot to pass to clang.
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81 if(NOT EXISTS /usr/include)
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82 execute_process(COMMAND xcodebuild -version -sdk macosx Path
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83 OUTPUT_VARIABLE OSX_SYSROOT
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84 ERROR_QUIET
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85 OUTPUT_STRIP_TRAILING_WHITESPACE)
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86 set(OSX_SYSROOT_FLAG "-isysroot${OSX_SYSROOT}")
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87 endif()
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88
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89 option(COMPILER_RT_ENABLE_IOS "Enable building for iOS" On)
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90 option(COMPILER_RT_ENABLE_WATCHOS "Enable building for watchOS - Experimental" Off)
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91 option(COMPILER_RT_ENABLE_TVOS "Enable building for tvOS - Experimental" Off)
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92
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93 else()
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94 option(COMPILER_RT_DEFAULT_TARGET_ONLY "Build builtins only for the default target" Off)
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95 endif()
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96
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97 if(WIN32 AND NOT MINGW AND NOT CYGWIN)
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98 set(CMAKE_SHARED_LIBRARY_PREFIX_C "")
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99 set(CMAKE_SHARED_LIBRARY_PREFIX_CXX "")
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100 set(CMAKE_STATIC_LIBRARY_PREFIX_C "")
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101 set(CMAKE_STATIC_LIBRARY_PREFIX_CXX "")
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102 set(CMAKE_STATIC_LIBRARY_SUFFIX_C ".lib")
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103 set(CMAKE_STATIC_LIBRARY_SUFFIX_CXX ".lib")
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104 endif()
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105
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106 macro(test_targets)
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107 # Find and run MSVC (not clang-cl) and get its version. This will tell clang-cl
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108 # what version of MSVC to pretend to be so that the STL works.
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109 set(MSVC_VERSION_FLAG "")
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110 if (MSVC)
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111 # Find and run MSVC (not clang-cl) and get its version. This will tell
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112 # clang-cl what version of MSVC to pretend to be so that the STL works.
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113 execute_process(COMMAND "$ENV{VSINSTALLDIR}/VC/bin/cl.exe"
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114 OUTPUT_QUIET
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115 ERROR_VARIABLE MSVC_COMPAT_VERSION
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116 )
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117 string(REGEX REPLACE "^.*Compiler Version ([0-9.]+) for .*$" "\\1"
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118 MSVC_COMPAT_VERSION "${MSVC_COMPAT_VERSION}")
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119 if (MSVC_COMPAT_VERSION MATCHES "^[0-9].+$")
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120 set(MSVC_VERSION_FLAG "-fms-compatibility-version=${MSVC_COMPAT_VERSION}")
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121 # Add this flag into the host build if this is clang-cl.
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122 if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
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123 append("${MSVC_VERSION_FLAG}" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
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124 elseif (COMPILER_RT_TEST_COMPILER_ID MATCHES "Clang")
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125 # Add this flag to test compiles to suppress clang's auto-detection
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126 # logic.
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127 append("${MSVC_VERSION_FLAG}" COMPILER_RT_TEST_COMPILER_CFLAGS)
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128 endif()
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129 endif()
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130 endif()
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131
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132 # Generate the COMPILER_RT_SUPPORTED_ARCH list.
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133 if(ANDROID)
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134 # Examine compiler output to determine target architecture.
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135 detect_target_arch()
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136 set(COMPILER_RT_OS_SUFFIX "-android")
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137 elseif(NOT APPLE) # Supported archs for Apple platforms are generated later
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138 if(COMPILER_RT_DEFAULT_TARGET_ONLY)
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139 add_default_target_arch(${COMPILER_RT_DEFAULT_TARGET_ARCH})
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140 elseif("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "i[2-6]86|x86|amd64")
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141 if(NOT MSVC)
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142 test_target_arch(x86_64 "" "-m64")
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143 test_target_arch(i386 __i386__ "-m32")
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144 else()
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145 if (CMAKE_SIZEOF_VOID_P EQUAL 4)
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146 test_target_arch(i386 "" "")
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147 else()
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148 test_target_arch(x86_64 "" "")
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149 endif()
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150 endif()
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151 elseif("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "powerpc")
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152 # Strip out -nodefaultlibs when calling TEST_BIG_ENDIAN. Configuration
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153 # will fail with this option when building with a sanitizer.
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154 cmake_push_check_state()
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155 string(REPLACE "-nodefaultlibs" "" CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS})
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156 TEST_BIG_ENDIAN(HOST_IS_BIG_ENDIAN)
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157 cmake_pop_check_state()
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158
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159 if(HOST_IS_BIG_ENDIAN)
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160 test_target_arch(powerpc64 "" "-m64")
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161 else()
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162 test_target_arch(powerpc64le "" "-m64")
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163 endif()
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164 elseif("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "s390x")
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165 test_target_arch(s390x "" "")
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166 elseif("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "mipsel|mips64el")
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167 # Gcc doesn't accept -m32/-m64 so we do the next best thing and use
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168 # -mips32r2/-mips64r2. We don't use -mips1/-mips3 because we want to match
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169 # clang's default CPU's. In the 64-bit case, we must also specify the ABI
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170 # since the default ABI differs between gcc and clang.
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171 # FIXME: Ideally, we would build the N32 library too.
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172 test_target_arch(mipsel "" "-mips32r2" "--target=mipsel-linux-gnu")
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173 test_target_arch(mips64el "" "-mips64r2" "--target=mips64el-linux-gnu" "-mabi=64")
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174 elseif("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "mips")
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175 test_target_arch(mips "" "-mips32r2" "--target=mips-linux-gnu")
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176 test_target_arch(mips64 "" "-mips64r2" "--target=mips64-linux-gnu" "-mabi=64")
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177 elseif("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "arm")
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178 if(WIN32)
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179 test_target_arch(arm "" "" "")
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180 else()
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181 test_target_arch(arm "" "-march=armv7-a" "-mfloat-abi=soft")
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182 test_target_arch(armhf "" "-march=armv7-a" "-mfloat-abi=hard")
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183 test_target_arch(armv6m "" "-march=armv6m" "-mfloat-abi=soft")
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184 endif()
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185 elseif("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "aarch32")
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186 test_target_arch(aarch32 "" "-march=armv8-a")
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187 elseif("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "aarch64")
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188 test_target_arch(aarch64 "" "-march=armv8-a")
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189 elseif("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "wasm32")
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190 test_target_arch(wasm32 "" "--target=wasm32-unknown-unknown")
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191 elseif("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "wasm64")
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192 test_target_arch(wasm64 "" "--target=wasm64-unknown-unknown")
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193 endif()
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194 set(COMPILER_RT_OS_SUFFIX "")
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195 endif()
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196 endmacro()