Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 1 | #=============================================================================== |
| 2 | # Setup Project |
| 3 | #=============================================================================== |
| 4 | |
| 5 | cmake_minimum_required(VERSION 2.8.8) |
| 6 | |
Eric Fiselier | ff417a5 | 2015-01-26 22:00:30 +0000 | [diff] [blame] | 7 | if(POLICY CMP0042) |
| 8 | cmake_policy(SET CMP0042 NEW) # Set MACOSX_RPATH=YES by default |
| 9 | endif() |
| 10 | |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 11 | if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR) |
| 12 | project(libcxxabi) |
| 13 | |
| 14 | # Rely on llvm-config. |
| 15 | set(CONFIG_OUTPUT) |
| 16 | find_program(LLVM_CONFIG "llvm-config") |
Dan Albert | 66ffcf8 | 2014-08-26 20:50:07 +0000 | [diff] [blame] | 17 | if(DEFINED LLVM_PATH) |
| 18 | set(LLVM_INCLUDE_DIR ${LLVM_INCLUDE_DIR} CACHE PATH "Path to llvm/include") |
| 19 | set(LLVM_PATH ${LLVM_PATH} CACHE PATH "Path to LLVM source tree") |
| 20 | set(LLVM_MAIN_SRC_DIR ${LLVM_PATH}) |
| 21 | set(LLVM_CMAKE_PATH "${LLVM_PATH}/cmake/modules") |
| 22 | elseif(LLVM_CONFIG) |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 23 | message(STATUS "Found LLVM_CONFIG as ${LLVM_CONFIG}") |
| 24 | set(CONFIG_COMMAND ${LLVM_CONFIG} |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 25 | "--includedir" |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 26 | "--prefix" |
| 27 | "--src-root") |
| 28 | execute_process( |
| 29 | COMMAND ${CONFIG_COMMAND} |
| 30 | RESULT_VARIABLE HAD_ERROR |
| 31 | OUTPUT_VARIABLE CONFIG_OUTPUT |
| 32 | ) |
| 33 | if(NOT HAD_ERROR) |
| 34 | string(REGEX REPLACE |
| 35 | "[ \t]*[\r\n]+[ \t]*" ";" |
| 36 | CONFIG_OUTPUT ${CONFIG_OUTPUT}) |
| 37 | else() |
| 38 | string(REPLACE ";" " " CONFIG_COMMAND_STR "${CONFIG_COMMAND}") |
| 39 | message(STATUS "${CONFIG_COMMAND_STR}") |
| 40 | message(FATAL_ERROR "llvm-config failed with status ${HAD_ERROR}") |
| 41 | endif() |
Dan Albert | 66ffcf8 | 2014-08-26 20:50:07 +0000 | [diff] [blame] | 42 | |
| 43 | list(GET CONFIG_OUTPUT 0 INCLUDE_DIR) |
| 44 | list(GET CONFIG_OUTPUT 1 LLVM_OBJ_ROOT) |
| 45 | list(GET CONFIG_OUTPUT 2 MAIN_SRC_DIR) |
| 46 | |
| 47 | set(LLVM_INCLUDE_DIR ${INCLUDE_DIR} CACHE PATH "Path to llvm/include") |
| 48 | set(LLVM_BINARY_DIR ${LLVM_OBJ_ROOT} CACHE PATH "Path to LLVM build tree") |
| 49 | set(LLVM_MAIN_SRC_DIR ${MAIN_SRC_DIR} CACHE PATH "Path to LLVM source tree") |
| 50 | set(LLVM_CMAKE_PATH "${LLVM_BINARY_DIR}/share/llvm/cmake") |
| 51 | set(LLVM_LIT_PATH "${LLVM_PATH}/utils/lit/lit.py") |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 52 | else() |
Eric Fiselier | ffe1ba2 | 2014-10-17 16:32:06 +0000 | [diff] [blame] | 53 | message(FATAL_ERROR "llvm-config not found and LLVM_MAIN_SRC_DIR not defined. " |
| 54 | "Reconfigure with -DLLVM_CONFIG=path/to/llvm-config " |
| 55 | "or -DLLVM_PATH=path/to/llvm-source-root.") |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 56 | endif() |
| 57 | |
Dan Albert | 66ffcf8 | 2014-08-26 20:50:07 +0000 | [diff] [blame] | 58 | if(EXISTS ${LLVM_CMAKE_PATH}) |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 59 | list(APPEND CMAKE_MODULE_PATH "${LLVM_CMAKE_PATH}") |
Dan Albert | fd961bd | 2014-07-10 02:20:11 +0000 | [diff] [blame] | 60 | include("${LLVM_CMAKE_PATH}/AddLLVM.cmake") |
Nico Weber | f2cd08a | 2014-07-16 23:53:37 +0000 | [diff] [blame] | 61 | include("${LLVM_CMAKE_PATH}/HandleLLVMOptions.cmake") |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 62 | else() |
Dan Albert | 66ffcf8 | 2014-08-26 20:50:07 +0000 | [diff] [blame] | 63 | message(FATAL_ERROR "Not found: ${LLVM_CMAKE_PATH}") |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 64 | endif() |
| 65 | |
| 66 | set(PACKAGE_NAME libcxxabi) |
Hans Wennborg | f79ad2e | 2015-01-14 18:30:55 +0000 | [diff] [blame] | 67 | set(PACKAGE_VERSION 3.7.0svn) |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 68 | set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}") |
Tanya Lattner | d8093df | 2015-08-05 04:01:26 +0000 | [diff] [blame] | 69 | set(PACKAGE_BUGREPORT "llvm-bugs@lists.llvm.org") |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 70 | |
| 71 | if(EXISTS ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py) |
| 72 | set(LLVM_LIT ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py) |
| 73 | else() |
| 74 | # Seek installed Lit. |
| 75 | find_program(LLVM_LIT "lit.py" ${LLVM_MAIN_SRC_DIR}/utils/lit |
| 76 | DOC "Path to lit.py") |
| 77 | endif() |
| 78 | |
| 79 | if(LLVM_LIT) |
| 80 | # Define the default arguments to use with 'lit', and an option for the user |
| 81 | # to override. |
| 82 | set(LIT_ARGS_DEFAULT "-sv") |
| 83 | if (MSVC OR XCODE) |
| 84 | set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar") |
| 85 | endif() |
| 86 | set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit") |
| 87 | |
| 88 | # On Win32 hosts, provide an option to specify the path to the GnuWin32 tools. |
| 89 | if( WIN32 AND NOT CYGWIN ) |
| 90 | set(LLVM_LIT_TOOLS_DIR "" CACHE PATH "Path to GnuWin32 tools") |
| 91 | endif() |
| 92 | else() |
| 93 | set(LLVM_INCLUDE_TESTS OFF) |
| 94 | endif() |
| 95 | |
Chandler Carruth | 343559e | 2014-12-29 12:22:04 +0000 | [diff] [blame] | 96 | set(LIBCXXABI_LIBDIR_SUFFIX "" CACHE STRING |
| 97 | "Define suffix of library directory name (32/64)") |
| 98 | |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 99 | set(LIBCXXABI_BUILT_STANDALONE 1) |
Dan Albert | fd961bd | 2014-07-10 02:20:11 +0000 | [diff] [blame] | 100 | else() |
Eric Fiselier | 9a9e939 | 2015-01-22 20:00:06 +0000 | [diff] [blame] | 101 | set(LLVM_MAIN_SRC_DIR "${CMAKE_SOURCE_DIR}" CACHE PATH "Path to LLVM source tree") |
Dan Albert | fd961bd | 2014-07-10 02:20:11 +0000 | [diff] [blame] | 102 | set(LLVM_LIT "${CMAKE_SOURCE_DIR}/utils/lit/lit.py") |
Chandler Carruth | 343559e | 2014-12-29 12:22:04 +0000 | [diff] [blame] | 103 | set(LIBCXXABI_LIBDIR_SUFFIX ${LLVM_LIBDIR_SUFFIX}) |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 104 | endif() |
| 105 | |
| 106 | #=============================================================================== |
| 107 | # Setup CMake Options |
| 108 | #=============================================================================== |
| 109 | |
| 110 | # Define options. |
| 111 | option(LIBCXXABI_ENABLE_ASSERTIONS "Enable assertions independent of build mode." ON) |
| 112 | option(LIBCXXABI_ENABLE_PEDANTIC "Compile with pedantic enabled." ON) |
| 113 | option(LIBCXXABI_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF) |
Saleem Abdulrasool | 352f134 | 2015-04-28 02:09:53 +0000 | [diff] [blame] | 114 | option(LIBCXXABI_USE_LLVM_UNWINDER "Build and use the LLVM unwinder." OFF) |
Eric Fiselier | d872a69 | 2014-11-24 22:42:03 +0000 | [diff] [blame] | 115 | option(LIBCXXABI_ENABLE_THREADS "Build with threads enabled" ON) |
Ben Craig | b06c53c | 2016-05-25 17:37:38 +0000 | [diff] [blame^] | 116 | option(LIBCXXABI_HAS_PTHREAD_API "Ignore auto-detection and force use of pthread API" OFF) |
Dan Albert | 0b4f9d2 | 2015-01-16 00:52:11 +0000 | [diff] [blame] | 117 | set(LIBCXXABI_GCC_TOOLCHAIN "" CACHE STRING "GCC toolchain for cross compiling.") |
| 118 | set(LIBCXXABI_SYSROOT "" CACHE STRING "Sysroot for cross compiling.") |
Eric Fiselier | 9ac9cdd | 2015-03-17 18:58:14 +0000 | [diff] [blame] | 119 | set(LIBCXXABI_LIBCXX_LIBRARY_PATH "" CACHE STRING "The path to libc++ library.") |
Dan Albert | fd961bd | 2014-07-10 02:20:11 +0000 | [diff] [blame] | 120 | |
| 121 | # Default to building a shared library so that the default options still test |
| 122 | # the libc++abi that is being built. There are two problems with testing a |
| 123 | # static libc++abi. In the case of a standalone build, the tests will link the |
| 124 | # system's libc++, which might not have been built against our libc++abi. In the |
| 125 | # case of an in tree build, libc++ will prefer a dynamic libc++abi from the |
| 126 | # system over a static libc++abi from the output directory. |
| 127 | option(LIBCXXABI_ENABLE_SHARED "Build libc++abi as a shared library." ON) |
Eric Fiselier | d95080e | 2015-03-03 15:59:09 +0000 | [diff] [blame] | 128 | option(LIBCXXABI_ENABLE_STATIC "Build libc++abi as a static library." ON) |
| 129 | |
| 130 | if (NOT LIBCXXABI_ENABLE_SHARED AND NOT LIBCXXABI_ENABLE_STATIC) |
| 131 | message(FATAL_ERROR "libc++abi must be built as either a shared or static library.") |
| 132 | endif() |
Dan Albert | fd961bd | 2014-07-10 02:20:11 +0000 | [diff] [blame] | 133 | |
| 134 | find_path( |
| 135 | LIBCXXABI_LIBCXX_INCLUDES |
| 136 | vector |
| 137 | PATHS ${LIBCXXABI_LIBCXX_INCLUDES} |
Eric Fiselier | 9a9e939 | 2015-01-22 20:00:06 +0000 | [diff] [blame] | 138 | ${LIBCXXABI_LIBCXX_PATH}/include |
Dan Albert | fd961bd | 2014-07-10 02:20:11 +0000 | [diff] [blame] | 139 | ${CMAKE_BINARY_DIR}/${LIBCXXABI_LIBCXX_INCLUDES} |
| 140 | ${LLVM_MAIN_SRC_DIR}/projects/libcxx/include |
| 141 | ${LLVM_INCLUDE_DIR}/c++/v1 |
| 142 | ) |
| 143 | |
Eric Fiselier | 9a9e939 | 2015-01-22 20:00:06 +0000 | [diff] [blame] | 144 | set(LIBCXXABI_LIBCXX_INCLUDES "${LIBCXXABI_LIBCXX_INCLUDES}" CACHE PATH |
Dan Albert | fd961bd | 2014-07-10 02:20:11 +0000 | [diff] [blame] | 145 | "Specify path to libc++ includes." FORCE) |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 146 | |
Eric Fiselier | 9a9e939 | 2015-01-22 20:00:06 +0000 | [diff] [blame] | 147 | find_path( |
| 148 | LIBCXXABI_LIBCXX_PATH |
| 149 | test/libcxx/__init__.py |
| 150 | PATHS ${LIBCXXABI_LIBCXX_PATH} |
| 151 | ${LIBCXXABI_LIBCXX_INCLUDES}/../ |
| 152 | ${LLVM_MAIN_SRC_DIR}/projects/libcxx/ |
| 153 | NO_DEFAULT_PATH |
| 154 | ) |
| 155 | |
| 156 | if (LIBCXXABI_LIBCXX_PATH STREQUAL "LIBCXXABI_LIBCXX_PATH-NOTFOUND") |
| 157 | message(WARNING "LIBCXXABI_LIBCXX_PATH was not specified and couldn't be infered.") |
| 158 | set(LIBCXXABI_LIBCXX_PATH "") |
| 159 | endif() |
| 160 | |
| 161 | set(LIBCXXABI_LIBCXX_PATH "${LIBCXXABI_LIBCXX_PATH}" CACHE PATH |
| 162 | "Specify path to libc++ source." FORCE) |
| 163 | |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 164 | #=============================================================================== |
| 165 | # Configure System |
| 166 | #=============================================================================== |
| 167 | |
| 168 | # Add path for custom modules |
| 169 | set(CMAKE_MODULE_PATH |
| 170 | "${CMAKE_CURRENT_SOURCE_DIR}/cmake" |
| 171 | "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules" |
| 172 | ${CMAKE_MODULE_PATH} |
| 173 | ) |
| 174 | |
| 175 | # Configure compiler. |
| 176 | include(config-ix) |
| 177 | |
Chandler Carruth | 343559e | 2014-12-29 12:22:04 +0000 | [diff] [blame] | 178 | set(LIBCXXABI_COMPILER ${CMAKE_CXX_COMPILER}) |
| 179 | set(LIBCXXABI_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}) |
| 180 | set(LIBCXXABI_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}) |
| 181 | set(LIBCXXABI_LIBRARY_DIR ${CMAKE_BINARY_DIR}/lib${LIBCXXABI_LIBDIR_SUFFIX}) |
| 182 | |
Ben Craig | 80b6b68 | 2016-04-18 13:30:38 +0000 | [diff] [blame] | 183 | set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LIBCXXABI_LIBRARY_DIR}) |
| 184 | set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LIBCXXABI_LIBRARY_DIR}) |
| 185 | |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 186 | #=============================================================================== |
| 187 | # Setup Compiler Flags |
| 188 | #=============================================================================== |
| 189 | |
| 190 | # Get required flags. |
| 191 | macro(append_if list condition var) |
| 192 | if (${condition}) |
| 193 | list(APPEND ${list} ${var}) |
| 194 | endif() |
| 195 | endmacro() |
| 196 | |
Logan Chien | 1c5ae13 | 2015-01-22 13:39:08 +0000 | [diff] [blame] | 197 | set(LIBCXXABI_C_FLAGS "") |
Eric Fiselier | c365bb5 | 2014-11-18 20:37:53 +0000 | [diff] [blame] | 198 | set(LIBCXXABI_CXX_FLAGS "") |
| 199 | set(LIBCXXABI_COMPILE_FLAGS "") |
| 200 | set(LIBCXXABI_LINK_FLAGS "") |
| 201 | |
| 202 | |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 203 | if (LIBCXXABI_HAS_NOSTDINCXX_FLAG) |
Eric Fiselier | c365bb5 | 2014-11-18 20:37:53 +0000 | [diff] [blame] | 204 | list(APPEND LIBCXXABI_COMPILE_FLAGS -nostdinc++) |
| 205 | # Remove -stdlib flags to prevent them from causing an unused flag warning. |
| 206 | string(REPLACE "-stdlib=libc++" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") |
| 207 | string(REPLACE "-stdlib=libstdc++" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 208 | endif() |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 209 | |
Eric Fiselier | c365bb5 | 2014-11-18 20:37:53 +0000 | [diff] [blame] | 210 | |
| 211 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WERROR_FLAG -Werror=return-type) |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 212 | |
| 213 | # Get warning flags |
Eric Fiselier | c365bb5 | 2014-11-18 20:37:53 +0000 | [diff] [blame] | 214 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_W_FLAG -W) |
| 215 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WALL_FLAG -Wall) |
| 216 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WCHAR_SUBSCRIPTS_FLAG -Wchar-subscripts) |
| 217 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WCONVERSION_FLAG -Wconversion) |
| 218 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WMISMATCHED_TAGS_FLAG -Wmismatched-tags) |
| 219 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WMISSING_BRACES_FLAG -Wmissing-braces) |
| 220 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WNEWLINE_EOF_FLAG -Wnewline-eof) |
| 221 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WNO_UNUSED_FUNCTION_FLAG -Wno-unused-function) |
| 222 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WSHADOW_FLAG -Wshadow) |
| 223 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WSHORTEN_64_TO_32_FLAG -Wshorten-64-to-32) |
| 224 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WSIGN_COMPARE_FLAG -Wsign-compare) |
| 225 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WSIGN_CONVERSION_FLAG -Wsign-conversion) |
| 226 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WSTRICT_ALIASING_FLAG -Wstrict-aliasing=2) |
| 227 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WSTRICT_OVERFLOW_FLAG -Wstrict-overflow=4) |
| 228 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WUNUSED_PARAMETER_FLAG -Wunused-parameter) |
| 229 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WUNUSED_VARIABLE_FLAG -Wunused-variable) |
| 230 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WWRITE_STRINGS_FLAG -Wwrite-strings) |
Dan Albert | a1fce46 | 2015-02-05 01:33:15 +0000 | [diff] [blame] | 231 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WUNDEF_FLAG -Wundef) |
Dan Albert | f198219 | 2014-07-10 22:23:03 +0000 | [diff] [blame] | 232 | |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 233 | if (LIBCXXABI_ENABLE_WERROR) |
Eric Fiselier | c365bb5 | 2014-11-18 20:37:53 +0000 | [diff] [blame] | 234 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WERROR_FLAG -Werror) |
| 235 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WX_FLAG -WX) |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 236 | else() |
Eric Fiselier | c365bb5 | 2014-11-18 20:37:53 +0000 | [diff] [blame] | 237 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WNO_ERROR_FLAG -Wno-error) |
| 238 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_NO_WX_FLAG -WX-) |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 239 | endif() |
| 240 | if (LIBCXXABI_ENABLE_PEDANTIC) |
Eric Fiselier | c365bb5 | 2014-11-18 20:37:53 +0000 | [diff] [blame] | 241 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_PEDANTIC_FLAG -pedantic) |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 242 | endif() |
| 243 | |
| 244 | # Get feature flags. |
| 245 | # Exceptions |
| 246 | # Catches C++ exceptions only and tells the compiler to assume that extern C |
| 247 | # functions never throw a C++ exception. |
Eric Fiselier | c365bb5 | 2014-11-18 20:37:53 +0000 | [diff] [blame] | 248 | append_if(LIBCXXABI_CXX_FLAGS LIBCXXABI_HAS_FSTRICT_ALIASING_FLAG -fstrict-aliasing) |
| 249 | append_if(LIBCXXABI_CXX_FLAGS LIBCXXABI_HAS_EHSC_FLAG -EHsc) |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 250 | |
Logan Chien | 1c5ae13 | 2015-01-22 13:39:08 +0000 | [diff] [blame] | 251 | append_if(LIBCXXABI_C_FLAGS LIBCXXABI_HAS_FUNWIND_TABLES -funwind-tables) |
| 252 | |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 253 | # Assert |
| 254 | string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE) |
| 255 | if (LIBCXXABI_ENABLE_ASSERTIONS) |
| 256 | # MSVC doesn't like _DEBUG on release builds. See PR 4379. |
| 257 | if (NOT MSVC) |
Eric Fiselier | c365bb5 | 2014-11-18 20:37:53 +0000 | [diff] [blame] | 258 | list(APPEND LIBCXXABI_COMPILE_FLAGS -D_DEBUG) |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 259 | endif() |
| 260 | # On Release builds cmake automatically defines NDEBUG, so we |
| 261 | # explicitly undefine it: |
| 262 | if (uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE") |
Eric Fiselier | c365bb5 | 2014-11-18 20:37:53 +0000 | [diff] [blame] | 263 | list(APPEND LIBCXXABI_COMPILE_FLAGS -UNDEBUG) |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 264 | endif() |
| 265 | else() |
| 266 | if (NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE") |
Eric Fiselier | c365bb5 | 2014-11-18 20:37:53 +0000 | [diff] [blame] | 267 | list(APPEND LIBCXXABI_COMPILE_FLAGS -DNDEBUG) |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 268 | endif() |
| 269 | endif() |
| 270 | # Static library |
| 271 | if (NOT LIBCXXABI_ENABLE_SHARED) |
Eric Fiselier | c365bb5 | 2014-11-18 20:37:53 +0000 | [diff] [blame] | 272 | list(APPEND LIBCXXABI_COMPILE_FLAGS -D_LIBCPP_BUILD_STATIC) |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 273 | endif() |
| 274 | |
Eric Fiselier | d872a69 | 2014-11-24 22:42:03 +0000 | [diff] [blame] | 275 | if (NOT LIBCXXABI_ENABLE_THREADS) |
Ben Craig | b06c53c | 2016-05-25 17:37:38 +0000 | [diff] [blame^] | 276 | if (LIBCXXABI_HAS_PTHREAD_API) |
| 277 | message(FATAL_ERROR "LIBCXXABI_HAS_PTHREAD_API can only" |
| 278 | " be set to ON when LIBCXXABI_ENABLE_THREADS" |
| 279 | " is also set to ON.") |
| 280 | endif() |
Eric Fiselier | d872a69 | 2014-11-24 22:42:03 +0000 | [diff] [blame] | 281 | add_definitions(-DLIBCXXABI_HAS_NO_THREADS=1) |
| 282 | endif() |
| 283 | |
Ben Craig | b06c53c | 2016-05-25 17:37:38 +0000 | [diff] [blame^] | 284 | if (LIBCXXABI_HAS_PTHREAD_API) |
| 285 | add_definitions(-D_LIBCPP_HAS_THREAD_API_PTHREAD) |
| 286 | endif() |
| 287 | |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 288 | # This is the _ONLY_ place where add_definitions is called. |
| 289 | if (MSVC) |
| 290 | add_definitions(-D_CRT_SECURE_NO_WARNINGS) |
| 291 | endif() |
| 292 | |
Logan Chien | 083506f | 2015-01-22 13:27:36 +0000 | [diff] [blame] | 293 | # Define LIBCXXABI_USE_LLVM_UNWINDER for conditional compilation. |
Eric Fiselier | 3641403 | 2015-04-29 15:53:03 +0000 | [diff] [blame] | 294 | if (LIBCXXABI_USE_LLVM_UNWINDER OR LLVM_NATIVE_ARCH MATCHES ARM) |
Logan Chien | 083506f | 2015-01-22 13:27:36 +0000 | [diff] [blame] | 295 | add_definitions(-DLIBCXXABI_USE_LLVM_UNWINDER=1) |
| 296 | endif() |
| 297 | |
Dan Albert | 2389ece | 2015-01-16 01:10:09 +0000 | [diff] [blame] | 298 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_TARGET_TRIPLE |
| 299 | "-target ${LIBCXXABI_TARGET_TRIPLE}") |
Dan Albert | 0b4f9d2 | 2015-01-16 00:52:11 +0000 | [diff] [blame] | 300 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_GCC_TOOLCHAIN |
| 301 | "-gcc-toolchain ${LIBCXXABI_GCC_TOOLCHAIN}") |
| 302 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_SYSROOT |
| 303 | "--sysroot ${LIBCXXABI_SYSROOT}") |
Eric Fiselier | c365bb5 | 2014-11-18 20:37:53 +0000 | [diff] [blame] | 304 | string(REPLACE ";" " " LIBCXXABI_CXX_FLAGS "${LIBCXXABI_CXX_FLAGS}") |
| 305 | set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${LIBCXXABI_CXX_FLAGS}") |
Logan Chien | 1c5ae13 | 2015-01-22 13:39:08 +0000 | [diff] [blame] | 306 | set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${LIBCXXABI_C_FLAGS}") |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 307 | |
| 308 | #=============================================================================== |
| 309 | # Setup Source Code |
| 310 | #=============================================================================== |
| 311 | |
Anton Korobeynikov | c509660 | 2015-05-08 16:10:11 +0000 | [diff] [blame] | 312 | set(LIBCXXABI_LIBUNWIND_INCLUDES "${LIBCXXABI_LIBUNWIND_INCLUDES}" CACHE PATH |
| 313 | "Specify path to libunwind includes." FORCE) |
| 314 | set(LIBCXXABI_LIBUNWIND_PATH "${LIBCXXABI_LIBUNWIND_PATH}" CACHE PATH |
| 315 | "Specify path to libunwind source." FORCE) |
| 316 | |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 317 | include_directories(include) |
Eric Fiselier | 3641403 | 2015-04-29 15:53:03 +0000 | [diff] [blame] | 318 | if (LIBCXXABI_USE_LLVM_UNWINDER OR LLVM_NATIVE_ARCH MATCHES ARM) |
Anton Korobeynikov | c509660 | 2015-05-08 16:10:11 +0000 | [diff] [blame] | 319 | find_path( |
Anton Korobeynikov | f662666 | 2015-05-09 21:03:01 +0000 | [diff] [blame] | 320 | LIBCXXABI_LIBUNWIND_INCLUDES_INTERNAL |
Anton Korobeynikov | c509660 | 2015-05-08 16:10:11 +0000 | [diff] [blame] | 321 | libunwind.h |
| 322 | PATHS ${LIBCXXABI_LIBUNWIND_INCLUDES} |
| 323 | ${LIBCXXABI_LIBUNWIND_PATH}/include |
| 324 | ${CMAKE_BINARY_DIR}/${LIBCXXABI_LIBUNWIND_INCLUDES} |
| 325 | ${LLVM_MAIN_SRC_DIR}/projects/libunwind/include |
Anton Korobeynikov | f662666 | 2015-05-09 21:03:01 +0000 | [diff] [blame] | 326 | NO_DEFAULT_PATH |
Anton Korobeynikov | c509660 | 2015-05-08 16:10:11 +0000 | [diff] [blame] | 327 | ) |
| 328 | |
| 329 | find_path( |
| 330 | LIBCXXABI_LIBUNWIND_SOURCES |
| 331 | libunwind_ext.h |
| 332 | PATHS ${LIBCXXABI_LIBUNWIND_PATH}/src/ |
| 333 | ${LIBCXXABI_LIBUNWIND_INCLUDES}/../src/ |
| 334 | ${LLVM_MAIN_SRC_DIR}/projects/libunwind/src/ |
| 335 | NO_DEFAULT_PATH |
| 336 | ) |
| 337 | |
Anton Korobeynikov | f273775 | 2015-05-08 18:14:14 +0000 | [diff] [blame] | 338 | if (LIBCXXABI_LIBUNWIND_SOURCES STREQUAL "LIBCXXABI_LIBUNWIND_SOURCES-NOTFOUND") |
Eugene Zelenko | 6b68c7c | 2016-04-18 17:40:18 +0000 | [diff] [blame] | 339 | message(WARNING "LIBCXXABI_LIBUNWIND_SOURCES was not specified and couldn't be infered.") |
Anton Korobeynikov | f273775 | 2015-05-08 18:14:14 +0000 | [diff] [blame] | 340 | set(LIBCXXABI_LIBUNWIND_SOURCES "") |
Anton Korobeynikov | c509660 | 2015-05-08 16:10:11 +0000 | [diff] [blame] | 341 | endif() |
| 342 | |
Anton Korobeynikov | f662666 | 2015-05-09 21:03:01 +0000 | [diff] [blame] | 343 | include_directories("${LIBCXXABI_LIBUNWIND_INCLUDES_INTERNAL}") |
Anton Korobeynikov | c509660 | 2015-05-08 16:10:11 +0000 | [diff] [blame] | 344 | include_directories("${LIBCXXABI_LIBUNWIND_SOURCES}") |
Saleem Abdulrasool | 561567f | 2015-04-25 01:46:29 +0000 | [diff] [blame] | 345 | endif () |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 346 | |
| 347 | # Add source code. This also contains all of the logic for deciding linker flags |
| 348 | # soname, etc... |
| 349 | add_subdirectory(src) |
Dan Albert | fd961bd | 2014-07-10 02:20:11 +0000 | [diff] [blame] | 350 | |
| 351 | if(NOT LIBCXXABI_ENABLE_SHARED) |
| 352 | # TODO: Fix the libc++ cmake files so that libc++abi can be statically linked. |
| 353 | # As it is now, libc++ will prefer linking against a dynamic libc++abi in the |
| 354 | # system library paths over a static libc++abi in the out directory. This |
| 355 | # would test the system library rather than the one we just built, which isn't |
| 356 | # very helpful. |
| 357 | message(WARNING "The libc++abi tests are currently only valid when " |
| 358 | "LIBCXXABI_ENABLE_SHARED is on, no check target will be " |
| 359 | "available!") |
| 360 | else() |
| 361 | add_subdirectory(test) |
| 362 | endif() |