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1 # See www/CMake.html for instructions on how to build libcxxabi with CMake.
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2
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3 #===============================================================================
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4 # Setup Project
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5 #===============================================================================
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6
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252
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7 cmake_minimum_required(VERSION 3.20.0)
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150
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8
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236
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9 set(LLVM_COMMON_CMAKE_UTILS "${CMAKE_CURRENT_SOURCE_DIR}/../cmake")
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10
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150
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11 # Add path for custom modules
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236
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12 list(INSERT CMAKE_MODULE_PATH 0
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150
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13 "${CMAKE_CURRENT_SOURCE_DIR}/cmake"
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14 "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules"
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252
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15 "${CMAKE_CURRENT_SOURCE_DIR}/../runtimes/cmake/Modules"
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236
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16 "${LLVM_COMMON_CMAKE_UTILS}"
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17 "${LLVM_COMMON_CMAKE_UTILS}/Modules"
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150
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18 )
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19
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221
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20 set(CMAKE_FOLDER "libc++")
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21
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22 set(LIBCXXABI_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
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23 set(LIBCXXABI_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
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24 set(LIBCXXABI_LIBCXX_PATH "${CMAKE_CURRENT_LIST_DIR}/../libcxx" CACHE PATH
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25 "Specify path to libc++ source.")
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26
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236
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27 include(GNUInstallDirs)
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221
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28
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150
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29 # Require out of source build.
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30 include(MacroEnsureOutOfSourceBuild)
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31 MACRO_ENSURE_OUT_OF_SOURCE_BUILD(
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32 "${PROJECT_NAME} requires an out of source build. Please create a separate
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33 build directory and run 'cmake /path/to/${PROJECT_NAME} [options]' there."
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34 )
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35
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36 #===============================================================================
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37 # Setup CMake Options
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38 #===============================================================================
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39 include(CMakeDependentOption)
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40 include(HandleCompilerRT)
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41
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42 # Define options.
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43 option(LIBCXXABI_ENABLE_EXCEPTIONS
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44 "Provide support for exceptions in the runtime.
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45 When disabled, libc++abi does not support stack unwinding and other exceptions-related features." ON)
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46 option(LIBCXXABI_ENABLE_ASSERTIONS "Enable assertions independent of build mode." ON)
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252
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47 option(LIBCXXABI_ENABLE_PEDANTIC "Compile with pedantic enabled." OFF)
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150
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48 option(LIBCXXABI_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF)
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49 option(LIBCXXABI_USE_LLVM_UNWINDER "Build and use the LLVM unwinder." OFF)
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50 option(LIBCXXABI_ENABLE_STATIC_UNWINDER "Statically link the LLVM unwinder." OFF)
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51 option(LIBCXXABI_USE_COMPILER_RT "Use compiler-rt instead of libgcc" OFF)
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52 option(LIBCXXABI_ENABLE_THREADS "Build with threads enabled" ON)
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53 option(LIBCXXABI_HAS_PTHREAD_API "Ignore auto-detection and force use of pthread API" OFF)
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221
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54 option(LIBCXXABI_HAS_WIN32_THREAD_API "Ignore auto-detection and force use of win32 thread API" OFF)
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150
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55 option(LIBCXXABI_HAS_EXTERNAL_THREAD_API
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56 "Build libc++abi with an externalized threading API.
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57 This option may only be set to ON when LIBCXXABI_ENABLE_THREADS=ON." OFF)
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173
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58 option(LIBCXXABI_ENABLE_FORGIVING_DYNAMIC_CAST
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59 "Make dynamic_cast more forgiving when type_info's mistakenly have hidden \
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60 visibility, and thus multiple type_infos can exist for a single type. \
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61 When the dynamic_cast would normally fail, this option will cause the \
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62 library to try comparing the type_info names to see if they are equal \
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63 instead." OFF)
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150
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64
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65 option(LIBCXXABI_ENABLE_NEW_DELETE_DEFINITIONS
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221
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66 "Build libc++abi with definitions for operator new/delete. These are normally
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67 defined in libc++abi, but it is also possible to define them in libc++, in
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68 which case the definition in libc++abi should be turned off." ON)
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236
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69 option(LIBCXXABI_BUILD_32_BITS "Build 32 bit multilib libc++abi. This option is not supported anymore when building the runtimes. Please specify a full triple instead." ${LLVM_BUILD_32_BITS})
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70 if (LIBCXXABI_BUILD_32_BITS)
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71 message(FATAL_ERROR "LIBCXXABI_BUILD_32_BITS is not supported anymore when building the runtimes, please specify a full triple instead.")
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72 endif()
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73
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150
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74 option(LIBCXXABI_INCLUDE_TESTS "Generate build targets for the libc++abi unit tests." ${LLVM_INCLUDE_TESTS})
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75 set(LIBCXXABI_LIBDIR_SUFFIX "${LLVM_LIBDIR_SUFFIX}" CACHE STRING
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76 "Define suffix of library directory name (32/64)")
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236
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77 option(LIBCXXABI_INSTALL_HEADERS "Install the libc++abi headers." ON)
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150
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78 option(LIBCXXABI_INSTALL_LIBRARY "Install the libc++abi library." ON)
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236
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79
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80 set(LIBCXXABI_SHARED_OUTPUT_NAME "c++abi" CACHE STRING "Output name for the shared libc++abi runtime library.")
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81 set(LIBCXXABI_STATIC_OUTPUT_NAME "c++abi" CACHE STRING "Output name for the static libc++abi runtime library.")
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82
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83 set(LIBCXXABI_INSTALL_INCLUDE_DIR "${CMAKE_INSTALL_INCLUDEDIR}/c++/v1" CACHE PATH "Path to install the libc++abi headers at.")
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84
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85 if(LLVM_LIBRARY_OUTPUT_INTDIR)
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86 set(LIBCXXABI_GENERATED_INCLUDE_DIR "${LLVM_BINARY_DIR}/include/c++/v1")
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87 else()
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88 set(LIBCXXABI_GENERATED_INCLUDE_DIR "${CMAKE_BINARY_DIR}/include/c++/v1")
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89 endif()
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90
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91 # TODO: Remove this after branching for LLVM 15
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92 if(LIBCXXABI_SYSROOT OR LIBCXXABI_TARGET_TRIPLE OR LIBCXXABI_GCC_TOOLCHAIN)
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93 message(WARNING "LIBCXXABI_SYSROOT, LIBCXXABI_TARGET_TRIPLE and LIBCXXABI_GCC_TOOLCHAIN are not supported anymore, please use the native CMake equivalents instead")
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94 endif()
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95
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150
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96 set(LIBCXXABI_LIBCXX_LIBRARY_PATH "" CACHE PATH "The path to libc++ library.")
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97 set(LIBCXXABI_LIBRARY_VERSION "1.0" CACHE STRING
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98 "Version of libc++abi. This will be reflected in the name of the shared \
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99 library produced. For example, -DLIBCXXABI_LIBRARY_VERSION=x.y will \
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100 result in the library being named libc++abi.x.y.dylib, along with the \
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101 usual symlinks pointing to that.")
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102
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103 # Default to building a shared library so that the default options still test
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236
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104 # the libc++abi that is being built. The problem with testing a static libc++abi
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105 # is that libc++ will prefer a dynamic libc++abi from the system over a static
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106 # libc++abi from the output directory.
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150
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107 option(LIBCXXABI_ENABLE_SHARED "Build libc++abi as a shared library." ON)
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108 option(LIBCXXABI_ENABLE_STATIC "Build libc++abi as a static library." ON)
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109
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110 cmake_dependent_option(LIBCXXABI_INSTALL_STATIC_LIBRARY
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111 "Install the static libc++abi library." ON
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112 "LIBCXXABI_ENABLE_STATIC;LIBCXXABI_INSTALL_LIBRARY" OFF)
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113 cmake_dependent_option(LIBCXXABI_INSTALL_SHARED_LIBRARY
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114 "Install the shared libc++abi library." ON
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115 "LIBCXXABI_ENABLE_SHARED;LIBCXXABI_INSTALL_LIBRARY" OFF)
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116
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117 cmake_dependent_option(LIBCXXABI_STATICALLY_LINK_UNWINDER_IN_STATIC_LIBRARY
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118 "Statically link the LLVM unwinder to static library" ON
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236
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119 "LIBCXXABI_ENABLE_STATIC_UNWINDER" OFF)
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150
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120 cmake_dependent_option(LIBCXXABI_STATICALLY_LINK_UNWINDER_IN_SHARED_LIBRARY
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121 "Statically link the LLVM unwinder to shared library" ON
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236
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122 "LIBCXXABI_ENABLE_STATIC_UNWINDER" OFF)
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150
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123
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124 option(LIBCXXABI_BAREMETAL "Build libc++abi for baremetal targets." OFF)
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125 # The default terminate handler attempts to demangle uncaught exceptions, which
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126 # causes extra I/O and demangling code to be pulled in.
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127 option(LIBCXXABI_SILENT_TERMINATE "Set this to make the terminate handler default to a silent alternative" OFF)
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221
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128 option(LIBCXXABI_NON_DEMANGLING_TERMINATE "Set this to make the terminate handler
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129 avoid demangling" OFF)
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150
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130
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131 if (NOT LIBCXXABI_ENABLE_SHARED AND NOT LIBCXXABI_ENABLE_STATIC)
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132 message(FATAL_ERROR "libc++abi must be built as either a shared or static library.")
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133 endif()
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134
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236
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135 # TODO: Remove this, which shouldn't be necessary since we know we're being built
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136 # side-by-side with libc++.
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221
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137 set(LIBCXXABI_LIBCXX_INCLUDES "" CACHE PATH
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138 "Specify path to libc++ includes.")
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236
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139
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140 set(LIBCXXABI_HERMETIC_STATIC_LIBRARY_DEFAULT OFF)
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141 if (WIN32)
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142 set(LIBCXXABI_HERMETIC_STATIC_LIBRARY_DEFAULT ON)
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143 endif()
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144 option(LIBCXXABI_HERMETIC_STATIC_LIBRARY
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145 "Do not export any symbols from the static library." ${LIBCXXABI_HERMETIC_STATIC_LIBRARY_DEFAULT})
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146
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147 if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
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148 set(LIBCXXABI_DEFAULT_TEST_CONFIG "llvm-libc++abi-shared-gcc.cfg.in")
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149 elseif(MINGW)
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150 set(LIBCXXABI_DEFAULT_TEST_CONFIG "llvm-libc++abi-mingw.cfg.in")
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151 elseif(WIN32) # clang-cl
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152 if (LIBCXXABI_ENABLE_SHARED)
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153 set(LIBCXXABI_DEFAULT_TEST_CONFIG "llvm-libc++abi-shared-clangcl.cfg.in")
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154 else()
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155 set(LIBCXXABI_DEFAULT_TEST_CONFIG "llvm-libc++abi-static-clangcl.cfg.in")
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221
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156 endif()
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236
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157 else()
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158 if (LIBCXXABI_ENABLE_SHARED)
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159 set(LIBCXXABI_DEFAULT_TEST_CONFIG "llvm-libc++abi-shared.cfg.in")
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221
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160 else()
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236
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161 set(LIBCXXABI_DEFAULT_TEST_CONFIG "llvm-libc++abi-static.cfg.in")
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221
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162 endif()
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150
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163 endif()
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236
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164 set(LIBCXXABI_TEST_CONFIG "${LIBCXXABI_DEFAULT_TEST_CONFIG}" CACHE STRING
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165 "The path to the Lit testing configuration to use when running the tests.
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166 If a relative path is provided, it is assumed to be relative to '<monorepo>/libcxxabi/test/configs'.")
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167 if (NOT IS_ABSOLUTE "${LIBCXXABI_TEST_CONFIG}")
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168 set(LIBCXXABI_TEST_CONFIG "${CMAKE_CURRENT_SOURCE_DIR}/test/configs/${LIBCXXABI_TEST_CONFIG}")
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169 endif()
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170 message(STATUS "Using libc++abi testing configuration: ${LIBCXXABI_TEST_CONFIG}")
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221
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171 set(LIBCXXABI_TEST_PARAMS "" CACHE STRING
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172 "A list of parameters to run the Lit test suite with.")
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173
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150
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174 #===============================================================================
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175 # Configure System
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176 #===============================================================================
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177
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178 # Add path for custom modules
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179 set(CMAKE_MODULE_PATH
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180 "${CMAKE_CURRENT_SOURCE_DIR}/cmake"
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181 "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules"
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182 ${CMAKE_MODULE_PATH}
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183 )
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184
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236
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185 set(LIBCXXABI_INSTALL_RUNTIME_DIR "${CMAKE_INSTALL_BINDIR}" CACHE PATH
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186 "Path where built libc++abi runtime libraries should be installed.")
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187
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150
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188 if(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR AND NOT APPLE)
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221
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189 set(LIBCXXABI_HEADER_DIR ${LLVM_BINARY_DIR})
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190 set(LIBCXXABI_LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR}/${LLVM_DEFAULT_TARGET_TRIPLE})
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223
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191 set(LIBCXXABI_INSTALL_LIBRARY_DIR lib${LLVM_LIBDIR_SUFFIX}/${LLVM_DEFAULT_TARGET_TRIPLE} CACHE PATH
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192 "Path where built libc++abi libraries should be installed.")
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150
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193 if(LIBCXX_LIBDIR_SUBDIR)
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194 string(APPEND LIBCXXABI_LIBRARY_DIR /${LIBCXXABI_LIBDIR_SUBDIR})
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195 string(APPEND LIBCXXABI_INSTALL_LIBRARY_DIR /${LIBCXXABI_LIBDIR_SUBDIR})
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196 endif()
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197 else()
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236
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198 if(LLVM_LIBRARY_OUTPUT_INTDIR)
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199 set(LIBCXXABI_HEADER_DIR ${LLVM_BINARY_DIR})
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200 set(LIBCXXABI_LIBRARY_DIR ${LLVM_LIBRARY_OUTPUT_INTDIR})
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201 else()
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202 set(LIBCXXABI_HEADER_DIR ${CMAKE_BINARY_DIR})
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203 set(LIBCXXABI_LIBRARY_DIR ${CMAKE_BINARY_DIR}/lib${LIBCXXABI_LIBDIR_SUFFIX})
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204 endif()
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223
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205 set(LIBCXXABI_INSTALL_LIBRARY_DIR lib${LIBCXXABI_LIBDIR_SUFFIX} CACHE PATH
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206 "Path where built libc++abi libraries should be installed.")
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150
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207 endif()
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208
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209 set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LIBCXXABI_LIBRARY_DIR})
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210 set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LIBCXXABI_LIBRARY_DIR})
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211 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LIBCXXABI_LIBRARY_DIR})
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212
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236
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213 # By default, libcxx and libcxxabi share a library directory.
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150
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214 if (NOT LIBCXXABI_LIBCXX_LIBRARY_PATH)
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215 set(LIBCXXABI_LIBCXX_LIBRARY_PATH "${LIBCXXABI_LIBRARY_DIR}" CACHE PATH
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216 "The path to libc++ library." FORCE)
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217 endif()
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218
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219 # Declare libc++abi configuration variables.
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220 # They are intended for use as follows:
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221 # LIBCXXABI_C_FLAGS: General flags for both the c++ compiler and linker.
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222 # LIBCXXABI_CXX_FLAGS: General flags for both the c++ compiler and linker.
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223 # LIBCXXABI_COMPILE_FLAGS: Compile only flags.
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224 # LIBCXXABI_LINK_FLAGS: Linker only flags.
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225 # LIBCXXABI_LIBRARIES: libraries libc++abi is linked to.
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226
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227 set(LIBCXXABI_C_FLAGS "")
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228 set(LIBCXXABI_CXX_FLAGS "")
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229 set(LIBCXXABI_COMPILE_FLAGS "")
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230 set(LIBCXXABI_LINK_FLAGS "")
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231 set(LIBCXXABI_LIBRARIES "")
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236
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232 set(LIBCXXABI_ADDITIONAL_COMPILE_FLAGS "" CACHE STRING
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233 "Additional Compile only flags which can be provided in cache")
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234 set(LIBCXXABI_ADDITIONAL_LIBRARIES "" CACHE STRING
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235 "Additional libraries libc++abi is linked to which can be provided in cache")
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150
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236
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237 # Include macros for adding and removing libc++abi flags.
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238 include(HandleLibcxxabiFlags)
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239
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240 #===============================================================================
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241 # Setup Compiler Flags
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242 #===============================================================================
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243
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244 # Configure target flags
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236
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245 if (${CMAKE_SYSTEM_NAME} MATCHES "AIX")
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252
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246 add_flags_if_supported("-mdefault-visibility-export-mapping=explicit")
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236
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247 set(CMAKE_AIX_EXPORT_ALL_SYMBOLS OFF)
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150
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248 endif()
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236
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249 add_compile_flags("${LIBCXXABI_ADDITIONAL_COMPILE_FLAGS}")
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250 add_library_flags("${LIBCXXABI_ADDITIONAL_LIBRARIES}")
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150
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251
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252 # Configure compiler. Must happen after setting the target flags.
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253 include(config-ix)
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254
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236
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255 if (CXX_SUPPORTS_NOSTDINCXX_FLAG)
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150
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256 list(APPEND LIBCXXABI_COMPILE_FLAGS -nostdinc++)
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257 # cmake 3.14 and above remove system include paths that are explicitly
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258 # passed on the command line. We build with -nostdinc++ and explicitly add
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259 # just the libcxx system include paths with -I on the command line.
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260 # Setting CMAKE_CXX_IMPLICIT_INCLUDE_DIRECTORIES effectively prevents cmake
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261 # from removing these.
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262 # See: https://gitlab.kitware.com/cmake/cmake/issues/19227
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263 set(CMAKE_CXX_IMPLICIT_INCLUDE_DIRECTORIES "")
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264 # Remove -stdlib flags to prevent them from causing an unused flag warning.
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221
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265 string(REPLACE "--stdlib=libc++" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
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266 string(REPLACE "--stdlib=libstdc++" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
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150
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267 string(REPLACE "-stdlib=libc++" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
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268 string(REPLACE "-stdlib=libstdc++" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
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269 endif()
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270
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271 # Let the library headers know they are currently being used to build the
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272 # library.
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273 add_definitions(-D_LIBCXXABI_BUILDING_LIBRARY)
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274
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221
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275 # libcxxabi needs to, for various reasons, include the libcpp headers as if
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276 # it is being built as part of libcxx.
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277 add_definitions(-D_LIBCPP_BUILDING_LIBRARY)
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278
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150
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279 # Get feature flags.
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280 add_compile_flags_if_supported(-fstrict-aliasing)
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281
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282 # Exceptions
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283 if (LIBCXXABI_ENABLE_EXCEPTIONS)
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284 # Catches C++ exceptions only and tells the compiler to assume that extern C
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285 # functions never throw a C++ exception.
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286 add_compile_flags_if_supported(-EHsc)
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287 # Do we really need to be run through the C compiler ?
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288 add_c_compile_flags_if_supported(-funwind-tables)
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289 else()
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290 add_compile_flags_if_supported(-fno-exceptions)
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291 add_compile_flags_if_supported(-EHs-)
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292 add_compile_flags_if_supported(-EHa-)
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293 endif()
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294
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295 # Assert
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296 string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE)
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297 if (LIBCXXABI_ENABLE_ASSERTIONS)
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298 # MSVC doesn't like _DEBUG on release builds. See PR 4379.
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299 if (NOT MSVC)
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300 list(APPEND LIBCXXABI_COMPILE_FLAGS -D_DEBUG)
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301 endif()
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302 # On Release builds cmake automatically defines NDEBUG, so we
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303 # explicitly undefine it:
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304 if (uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE")
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305 list(APPEND LIBCXXABI_COMPILE_FLAGS -UNDEBUG)
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306 endif()
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307 else()
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308 if (NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE")
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309 list(APPEND LIBCXXABI_COMPILE_FLAGS -DNDEBUG)
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310 endif()
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311 endif()
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312
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313 # Threading
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314 if (NOT LIBCXXABI_ENABLE_THREADS)
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315 if (LIBCXXABI_HAS_PTHREAD_API)
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316 message(FATAL_ERROR "LIBCXXABI_HAS_PTHREAD_API can only"
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317 " be set to ON when LIBCXXABI_ENABLE_THREADS"
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318 " is also set to ON.")
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319 endif()
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221
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320 if (LIBCXXABI_HAS_WIN32_THREAD_API)
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321 message(FATAL_ERROR "LIBCXXABI_HAS_WIN32_THREAD_API can only"
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322 " be set to ON when LIBCXXABI_ENABLE_THREADS"
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323 " is also set to ON.")
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324 endif()
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150
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325 if (LIBCXXABI_HAS_EXTERNAL_THREAD_API)
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326 message(FATAL_ERROR "LIBCXXABI_HAS_EXTERNAL_THREAD_API can only"
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327 " be set to ON when LIBCXXABI_ENABLE_THREADS"
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328 " is also set to ON.")
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329 endif()
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330 add_definitions(-D_LIBCXXABI_HAS_NO_THREADS)
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331 endif()
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332
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333 if (LIBCXXABI_HAS_EXTERNAL_THREAD_API)
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334 if (LIBCXXABI_HAS_PTHREAD_API)
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335 message(FATAL_ERROR "The options LIBCXXABI_HAS_EXTERNAL_THREAD_API"
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336 " and LIBCXXABI_HAS_PTHREAD_API cannot be both"
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337 " set to ON at the same time.")
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338 endif()
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221
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339 if (LIBCXXABI_HAS_WIN32_THREAD_API)
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340 message(FATAL_ERROR "The options LIBCXXABI_HAS_EXTERNAL_THREAD_API"
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341 " and LIBCXXABI_HAS_WIN32_THREAD_API cannot be both"
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342 " set to ON at the same time.")
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343 endif()
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150
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344 endif()
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345
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221
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346 if (LIBCXXABI_HAS_PTHREAD_API)
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347 if (LIBCXXABI_HAS_WIN32_THREAD_API)
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348 message(FATAL_ERROR "The options LIBCXXABI_HAS_PTHREAD_API"
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349 "and LIBCXXABI_HAS_WIN32_THREAD_API cannot be both"
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350 "set to ON at the same time.")
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351 endif()
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352 endif()
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353
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150
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354 if (LLVM_ENABLE_MODULES)
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355 # Ignore that the rest of the modules flags are now unused.
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356 add_compile_flags_if_supported(-Wno-unused-command-line-argument)
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357 add_compile_flags(-fno-modules)
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358 endif()
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359
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360 set(LIBCXXABI_HAS_UNDEFINED_SYMBOLS OFF)
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252
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361 if ((NOT LIBCXXABI_ENABLE_NEW_DELETE_DEFINITIONS) OR MINGW)
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150
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362 set(LIBCXXABI_HAS_UNDEFINED_SYMBOLS ON)
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363 endif()
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364
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365 if (LIBCXXABI_HAS_UNDEFINED_SYMBOLS)
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366 # Need to allow unresolved symbols if this is to work with shared library builds
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|
|
367 if (APPLE)
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|
|
368 list(APPEND LIBCXXABI_LINK_FLAGS "-undefined dynamic_lookup")
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|
|
369 else()
|
|
|
370 # Relax this restriction from HandleLLVMOptions
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|
|
371 string(REPLACE "-Wl,-z,defs" "" CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS}")
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|
|
372 endif()
|
|
|
373 endif()
|
|
|
374
|
|
|
375 if (LIBCXXABI_HAS_PTHREAD_API)
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|
|
376 add_definitions(-D_LIBCPP_HAS_THREAD_API_PTHREAD)
|
|
|
377 endif()
|
|
|
378
|
|
221
|
379 if (LIBCXXABI_HAS_WIN32_THREAD_API)
|
|
|
380 add_definitions(-D_LIBCPP_HAS_THREAD_API_WIN32)
|
|
|
381 endif()
|
|
|
382
|
|
150
|
383 if (LIBCXXABI_HAS_EXTERNAL_THREAD_API)
|
|
|
384 add_definitions(-D_LIBCPP_HAS_THREAD_API_EXTERNAL)
|
|
|
385 endif()
|
|
|
386
|
|
|
387 if (MSVC)
|
|
|
388 add_definitions(-D_CRT_SECURE_NO_WARNINGS)
|
|
|
389 endif()
|
|
|
390
|
|
|
391 if (LIBCXXABI_SILENT_TERMINATE)
|
|
|
392 add_definitions(-DLIBCXXABI_SILENT_TERMINATE)
|
|
|
393 endif()
|
|
|
394
|
|
221
|
395 if (LIBCXXABI_NON_DEMANGLING_TERMINATE)
|
|
|
396 add_definitions(-DLIBCXXABI_NON_DEMANGLING_TERMINATE)
|
|
|
397 endif()
|
|
|
398
|
|
150
|
399 if (LIBCXXABI_BAREMETAL)
|
|
|
400 add_definitions(-DLIBCXXABI_BAREMETAL)
|
|
|
401 endif()
|
|
|
402
|
|
236
|
403 if (C_SUPPORTS_COMMENT_LIB_PRAGMA)
|
|
150
|
404 if (LIBCXXABI_HAS_PTHREAD_LIB)
|
|
|
405 add_definitions(-D_LIBCXXABI_LINK_PTHREAD_LIB)
|
|
|
406 endif()
|
|
|
407 endif()
|
|
|
408
|
|
|
409 string(REPLACE ";" " " LIBCXXABI_CXX_FLAGS "${LIBCXXABI_CXX_FLAGS}")
|
|
|
410 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${LIBCXXABI_CXX_FLAGS}")
|
|
|
411 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${LIBCXXABI_C_FLAGS}")
|
|
|
412
|
|
236
|
413 # On AIX, avoid picking up VMX extensions(i.e. vec_malloc) which would change
|
|
|
414 # the default alignment of the allocators here.
|
|
|
415 if (UNIX AND ${CMAKE_SYSTEM_NAME} MATCHES "AIX")
|
|
|
416 add_definitions("-D_XOPEN_SOURCE=700")
|
|
|
417 endif()
|
|
|
418
|
|
150
|
419 #===============================================================================
|
|
|
420 # Setup Source Code
|
|
|
421 #===============================================================================
|
|
|
422
|
|
|
423 set(LIBCXXABI_LIBUNWIND_INCLUDES "${LIBCXXABI_LIBUNWIND_INCLUDES}" CACHE PATH
|
|
|
424 "Specify path to libunwind includes." FORCE)
|
|
|
425 set(LIBCXXABI_LIBUNWIND_PATH "${LIBCXXABI_LIBUNWIND_PATH}" CACHE PATH
|
|
|
426 "Specify path to libunwind source." FORCE)
|
|
|
427
|
|
|
428 if (LIBCXXABI_USE_LLVM_UNWINDER OR LLVM_NATIVE_ARCH MATCHES ARM)
|
|
|
429 find_path(LIBCXXABI_LIBUNWIND_INCLUDES_INTERNAL libunwind.h
|
|
|
430 PATHS ${LIBCXXABI_LIBUNWIND_INCLUDES}
|
|
|
431 ${LIBCXXABI_LIBUNWIND_PATH}/include
|
|
|
432 ${CMAKE_BINARY_DIR}/${LIBCXXABI_LIBUNWIND_INCLUDES}
|
|
|
433 ${LLVM_MAIN_SRC_DIR}/projects/libunwind/include
|
|
|
434 ${LLVM_MAIN_SRC_DIR}/runtimes/libunwind/include
|
|
|
435 ${LLVM_MAIN_SRC_DIR}/../libunwind/include
|
|
|
436 NO_DEFAULT_PATH
|
|
|
437 NO_CMAKE_FIND_ROOT_PATH
|
|
|
438 )
|
|
|
439
|
|
|
440 if (LIBCXXABI_LIBUNWIND_INCLUDES_INTERNAL STREQUAL "LIBCXXABI_LIBUNWIND_INCLUDES_INTERNAL-NOTFOUND")
|
|
|
441 set(LIBCXXABI_LIBUNWIND_INCLUDES_INTERNAL "")
|
|
|
442 endif()
|
|
252
|
443 endif()
|
|
150
|
444
|
|
252
|
445 if (NOT "${LIBCXXABI_LIBUNWIND_INCLUDES_INTERNAL}" STREQUAL "")
|
|
|
446 include_directories("${LIBCXXABI_LIBUNWIND_INCLUDES_INTERNAL}")
|
|
150
|
447 endif()
|
|
|
448
|
|
|
449 # Add source code. This also contains all of the logic for deciding linker flags
|
|
|
450 # soname, etc...
|
|
236
|
451 add_subdirectory(include)
|
|
150
|
452 add_subdirectory(src)
|
|
|
453
|
|
|
454 if (LIBCXXABI_INCLUDE_TESTS)
|
|
221
|
455 add_subdirectory(test)
|
|
|
456 add_subdirectory(fuzz)
|
|
150
|
457 endif()
|
