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150
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1 # Check if lld is built as a standalone project.
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2 if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
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3 project(lld)
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207
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4 cmake_minimum_required(VERSION 3.13.4)
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150
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5
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6 set(CMAKE_INCLUDE_CURRENT_DIR ON)
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7 set(LLD_BUILT_STANDALONE TRUE)
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8
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9 find_program(LLVM_CONFIG_PATH "llvm-config" DOC "Path to llvm-config binary")
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10 if(NOT LLVM_CONFIG_PATH)
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11 message(FATAL_ERROR "llvm-config not found: specify LLVM_CONFIG_PATH")
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12 endif()
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13
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14 execute_process(COMMAND "${LLVM_CONFIG_PATH}"
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15 "--obj-root"
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16 "--includedir"
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17 "--cmakedir"
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18 "--src-root"
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19 RESULT_VARIABLE HAD_ERROR
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20 OUTPUT_VARIABLE LLVM_CONFIG_OUTPUT
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21 OUTPUT_STRIP_TRAILING_WHITESPACE)
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22 if(HAD_ERROR)
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23 message(FATAL_ERROR "llvm-config failed with status ${HAD_ERROR}")
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24 endif()
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25
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26 string(REGEX REPLACE "[ \t]*[\r\n]+[ \t]*" ";" LLVM_CONFIG_OUTPUT "${LLVM_CONFIG_OUTPUT}")
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27
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28 list(GET LLVM_CONFIG_OUTPUT 0 OBJ_ROOT)
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29 list(GET LLVM_CONFIG_OUTPUT 1 MAIN_INCLUDE_DIR)
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30 list(GET LLVM_CONFIG_OUTPUT 2 LLVM_CMAKE_PATH)
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31 list(GET LLVM_CONFIG_OUTPUT 3 MAIN_SRC_DIR)
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32
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33 set(LLVM_OBJ_ROOT ${OBJ_ROOT} CACHE PATH "path to LLVM build tree")
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34 set(LLVM_MAIN_INCLUDE_DIR ${MAIN_INCLUDE_DIR} CACHE PATH "path to llvm/include")
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35 set(LLVM_MAIN_SRC_DIR ${MAIN_SRC_DIR} CACHE PATH "Path to LLVM source tree")
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36
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37 file(TO_CMAKE_PATH ${LLVM_OBJ_ROOT} LLVM_BINARY_DIR)
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207
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38 file(TO_CMAKE_PATH ${LLVM_CMAKE_PATH} LLVM_CMAKE_PATH)
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150
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39
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40 if(NOT EXISTS "${LLVM_CMAKE_PATH}/LLVMConfig.cmake")
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41 message(FATAL_ERROR "LLVMConfig.cmake not found")
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42 endif()
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43 include("${LLVM_CMAKE_PATH}/LLVMConfig.cmake")
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44
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45 list(APPEND CMAKE_MODULE_PATH "${LLVM_CMAKE_PATH}")
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46
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47 set(PACKAGE_VERSION "${LLVM_PACKAGE_VERSION}")
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48 include_directories("${LLVM_BINARY_DIR}/include" ${LLVM_INCLUDE_DIRS})
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49 link_directories(${LLVM_LIBRARY_DIRS})
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50
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51 set(LLVM_LIBRARY_OUTPUT_INTDIR ${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/lib${LLVM_LIBDIR_SUFFIX})
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52 set(LLVM_RUNTIME_OUTPUT_INTDIR ${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/bin)
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53 find_program(LLVM_TABLEGEN_EXE "llvm-tblgen" ${LLVM_TOOLS_BINARY_DIR} NO_DEFAULT_PATH)
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54
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55 include(AddLLVM)
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56 include(TableGen)
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57 include(HandleLLVMOptions)
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207
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58 include(GetErrcMessages)
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59 include(CheckAtomic)
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150
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60
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61 if(LLVM_INCLUDE_TESTS)
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207
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62 find_package(Python3 ${LLVM_MINIMUM_PYTHON_VERSION} REQUIRED
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63 COMPONENTS Interpreter)
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150
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64
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65 # Check prebuilt llvm/utils.
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66 if(EXISTS ${LLVM_TOOLS_BINARY_DIR}/FileCheck${CMAKE_EXECUTABLE_SUFFIX}
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67 AND EXISTS ${LLVM_TOOLS_BINARY_DIR}/not${CMAKE_EXECUTABLE_SUFFIX})
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68 set(LLVM_UTILS_PROVIDED ON)
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69 endif()
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70
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71 if(EXISTS ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py)
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72 # Note: path not really used, except for checking if lit was found
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73 set(LLVM_LIT ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py)
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74 if(NOT LLVM_UTILS_PROVIDED)
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75 add_subdirectory(${LLVM_MAIN_SRC_DIR}/utils/FileCheck utils/FileCheck)
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76 add_subdirectory(${LLVM_MAIN_SRC_DIR}/utils/not utils/not)
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77 set(LLVM_UTILS_PROVIDED ON)
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78 set(LLD_TEST_DEPS FileCheck not)
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79 endif()
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80 set(UNITTEST_DIR ${LLVM_MAIN_SRC_DIR}/utils/unittest)
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81 if(EXISTS ${UNITTEST_DIR}/googletest/include/gtest/gtest.h
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82 AND NOT EXISTS ${LLVM_LIBRARY_DIR}/${CMAKE_STATIC_LIBRARY_PREFIX}gtest${CMAKE_STATIC_LIBRARY_SUFFIX}
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83 AND EXISTS ${UNITTEST_DIR}/CMakeLists.txt)
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84 add_subdirectory(${UNITTEST_DIR} utils/unittest)
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85 endif()
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86 else()
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87 # Seek installed Lit.
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88 find_program(LLVM_LIT
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89 NAMES llvm-lit lit.py lit
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90 PATHS "${LLVM_MAIN_SRC_DIR}/utils/lit"
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91 DOC "Path to lit.py")
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92 endif()
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93
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94 if(LLVM_LIT)
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95 # Define the default arguments to use with 'lit', and an option for the user
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96 # to override.
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97 set(LIT_ARGS_DEFAULT "-sv")
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98 if (MSVC OR XCODE)
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99 set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar")
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100 endif()
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101 set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit")
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102
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207
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103 get_errc_messages(LLVM_LIT_ERRC_MESSAGES)
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104
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150
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105 # On Win32 hosts, provide an option to specify the path to the GnuWin32 tools.
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106 if(WIN32 AND NOT CYGWIN)
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107 set(LLVM_LIT_TOOLS_DIR "" CACHE PATH "Path to GnuWin32 tools")
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108 endif()
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109 else()
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110 set(LLVM_INCLUDE_TESTS OFF)
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111 endif()
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112 endif()
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207
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113
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114 if(LLVM_HAVE_LIBXAR)
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115 set(XAR_LIB xar)
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116 endif()
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150
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117 endif()
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118
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119 set(LLD_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
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120 set(LLD_INCLUDE_DIR ${LLD_SOURCE_DIR}/include )
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121 set(LLD_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
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122
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173
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123 set(LLD_VENDOR ${PACKAGE_VENDOR} CACHE STRING
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124 "Vendor-specific text for showing with version information.")
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125
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126 if(LLD_VENDOR)
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127 add_definitions(-DLLD_VENDOR="${LLD_VENDOR}")
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128 endif()
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129
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150
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130 # Compute the LLD version from the LLVM version.
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131 string(REGEX MATCH "[0-9]+\\.[0-9]+(\\.[0-9]+)?" LLD_VERSION
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132 ${PACKAGE_VERSION})
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133 message(STATUS "LLD version: ${LLD_VERSION}")
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134
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135 string(REGEX REPLACE "([0-9]+)\\.[0-9]+(\\.[0-9]+)?" "\\1" LLD_VERSION_MAJOR
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136 ${LLD_VERSION})
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137 string(REGEX REPLACE "[0-9]+\\.([0-9]+)(\\.[0-9]+)?" "\\1" LLD_VERSION_MINOR
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138 ${LLD_VERSION})
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139
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140 # Configure the Version.inc file.
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141 configure_file(
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142 ${CMAKE_CURRENT_SOURCE_DIR}/include/lld/Common/Version.inc.in
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143 ${CMAKE_CURRENT_BINARY_DIR}/include/lld/Common/Version.inc)
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144
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145
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146 if (CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR)
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147 message(FATAL_ERROR "In-source builds are not allowed. CMake would overwrite "
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148 "the makefiles distributed with LLVM. Please create a directory and run cmake "
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149 "from there, passing the path to this source directory as the last argument. "
|
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150 "This process created the file `CMakeCache.txt' and the directory "
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151 "`CMakeFiles'. Please delete them.")
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152 endif()
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153
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154 list (APPEND CMAKE_MODULE_PATH "${LLD_SOURCE_DIR}/cmake/modules")
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155
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156 include(AddLLD)
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157
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158 option(LLD_USE_VTUNE
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159 "Enable VTune user task tracking."
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160 OFF)
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161 if (LLD_USE_VTUNE)
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162 find_package(VTune)
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163 if (VTUNE_FOUND)
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164 include_directories(${VTune_INCLUDE_DIRS})
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165 list(APPEND LLVM_COMMON_LIBS ${VTune_LIBRARIES})
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166 add_definitions(-DLLD_HAS_VTUNE)
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167 endif()
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168 endif()
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169
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170 option(LLD_BUILD_TOOLS
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171 "Build the lld tools. If OFF, just generate build targets." ON)
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172
|
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207
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173 option(LLD_DEFAULT_LD_LLD_IS_MINGW
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174 "Use MinGW as the default backend for ld.lld. If OFF, ELF will be used." OFF)
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175 if (LLD_DEFAULT_LD_LLD_IS_MINGW)
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176 add_definitions("-DLLD_DEFAULT_LD_LLD_IS_MINGW=1")
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177 endif()
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178
|
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150
|
179 if (MSVC)
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180 add_definitions(-wd4530) # Suppress 'warning C4530: C++ exception handler used, but unwind semantics are not enabled.'
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|
181 add_definitions(-wd4062) # Suppress 'warning C4062: enumerator X in switch of enum Y is not handled' from system header.
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|
|
182 endif()
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183
|
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184 include_directories(BEFORE
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185 ${CMAKE_CURRENT_BINARY_DIR}/include
|
|
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186 ${CMAKE_CURRENT_SOURCE_DIR}/include
|
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|
187 )
|
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188
|
|
|
189 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
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190 install(DIRECTORY include/
|
|
|
191 DESTINATION include
|
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|
192 FILES_MATCHING
|
|
|
193 PATTERN "*.h"
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|
194 )
|
|
|
195 endif()
|
|
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196
|
|
|
197 add_subdirectory(Common)
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|
|
198 add_subdirectory(lib)
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|
199 add_subdirectory(tools/lld)
|
|
|
200
|
|
|
201 if (LLVM_INCLUDE_TESTS)
|
|
|
202 add_subdirectory(test)
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|
|
203 add_subdirectory(unittests)
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|
|
204 endif()
|
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205
|
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|
206 add_subdirectory(docs)
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207 add_subdirectory(COFF)
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|
|
208 add_subdirectory(ELF)
|
|
173
|
209 add_subdirectory(MachO)
|
|
150
|
210 add_subdirectory(MinGW)
|
|
|
211 add_subdirectory(wasm)
|
|
173
|
212
|
|
|
213 add_subdirectory(cmake/modules)
|
