Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 1 | #=============================================================================== |
| 2 | # Setup Project |
| 3 | #=============================================================================== |
| 4 | |
Chris Bieneman | 1fc2ce8 | 2016-05-31 20:21:53 +0000 | [diff] [blame] | 5 | cmake_minimum_required(VERSION 3.4.3) |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 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) |
Eric Fiselier | 42ef22b | 2016-08-28 18:16:18 +0000 | [diff] [blame] | 16 | if (NOT LLVM_CONFIG_PATH) |
| 17 | find_program(LLVM_CONFIG_PATH "llvm-config") |
| 18 | endif() |
Dan Albert | 66ffcf8 | 2014-08-26 20:50:07 +0000 | [diff] [blame] | 19 | if(DEFINED LLVM_PATH) |
| 20 | set(LLVM_INCLUDE_DIR ${LLVM_INCLUDE_DIR} CACHE PATH "Path to llvm/include") |
| 21 | set(LLVM_PATH ${LLVM_PATH} CACHE PATH "Path to LLVM source tree") |
| 22 | set(LLVM_MAIN_SRC_DIR ${LLVM_PATH}) |
| 23 | set(LLVM_CMAKE_PATH "${LLVM_PATH}/cmake/modules") |
Eric Fiselier | 42ef22b | 2016-08-28 18:16:18 +0000 | [diff] [blame] | 24 | elseif(LLVM_CONFIG_PATH) |
| 25 | message(STATUS "Found LLVM_CONFIG_PATH as ${LLVM_CONFIG_PATH}") |
| 26 | set(CONFIG_COMMAND ${LLVM_CONFIG_PATH} |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 27 | "--includedir" |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 28 | "--prefix" |
| 29 | "--src-root") |
| 30 | execute_process( |
| 31 | COMMAND ${CONFIG_COMMAND} |
| 32 | RESULT_VARIABLE HAD_ERROR |
| 33 | OUTPUT_VARIABLE CONFIG_OUTPUT |
| 34 | ) |
| 35 | if(NOT HAD_ERROR) |
| 36 | string(REGEX REPLACE |
| 37 | "[ \t]*[\r\n]+[ \t]*" ";" |
| 38 | CONFIG_OUTPUT ${CONFIG_OUTPUT}) |
| 39 | else() |
| 40 | string(REPLACE ";" " " CONFIG_COMMAND_STR "${CONFIG_COMMAND}") |
| 41 | message(STATUS "${CONFIG_COMMAND_STR}") |
| 42 | message(FATAL_ERROR "llvm-config failed with status ${HAD_ERROR}") |
| 43 | endif() |
Dan Albert | 66ffcf8 | 2014-08-26 20:50:07 +0000 | [diff] [blame] | 44 | |
| 45 | list(GET CONFIG_OUTPUT 0 INCLUDE_DIR) |
| 46 | list(GET CONFIG_OUTPUT 1 LLVM_OBJ_ROOT) |
| 47 | list(GET CONFIG_OUTPUT 2 MAIN_SRC_DIR) |
| 48 | |
| 49 | set(LLVM_INCLUDE_DIR ${INCLUDE_DIR} CACHE PATH "Path to llvm/include") |
| 50 | set(LLVM_BINARY_DIR ${LLVM_OBJ_ROOT} CACHE PATH "Path to LLVM build tree") |
| 51 | set(LLVM_MAIN_SRC_DIR ${MAIN_SRC_DIR} CACHE PATH "Path to LLVM source tree") |
Logan Chien | 8d4d9af | 2016-10-03 11:08:17 +0000 | [diff] [blame] | 52 | set(LLVM_CMAKE_PATH "${LLVM_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX}/cmake/llvm") |
Dan Albert | 66ffcf8 | 2014-08-26 20:50:07 +0000 | [diff] [blame] | 53 | set(LLVM_LIT_PATH "${LLVM_PATH}/utils/lit/lit.py") |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 54 | else() |
Eric Fiselier | ffe1ba2 | 2014-10-17 16:32:06 +0000 | [diff] [blame] | 55 | message(FATAL_ERROR "llvm-config not found and LLVM_MAIN_SRC_DIR not defined. " |
Eric Fiselier | 42ef22b | 2016-08-28 18:16:18 +0000 | [diff] [blame] | 56 | "Reconfigure with -DLLVM_CONFIG_PATH=path/to/llvm-config " |
Eric Fiselier | ffe1ba2 | 2014-10-17 16:32:06 +0000 | [diff] [blame] | 57 | "or -DLLVM_PATH=path/to/llvm-source-root.") |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 58 | endif() |
| 59 | |
Dan Albert | 66ffcf8 | 2014-08-26 20:50:07 +0000 | [diff] [blame] | 60 | if(EXISTS ${LLVM_CMAKE_PATH}) |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 61 | list(APPEND CMAKE_MODULE_PATH "${LLVM_CMAKE_PATH}") |
Dan Albert | fd961bd | 2014-07-10 02:20:11 +0000 | [diff] [blame] | 62 | include("${LLVM_CMAKE_PATH}/AddLLVM.cmake") |
Nico Weber | f2cd08a | 2014-07-16 23:53:37 +0000 | [diff] [blame] | 63 | include("${LLVM_CMAKE_PATH}/HandleLLVMOptions.cmake") |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 64 | else() |
Dan Albert | 66ffcf8 | 2014-08-26 20:50:07 +0000 | [diff] [blame] | 65 | message(FATAL_ERROR "Not found: ${LLVM_CMAKE_PATH}") |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 66 | endif() |
| 67 | |
| 68 | set(PACKAGE_NAME libcxxabi) |
Eugene Zelenko | 9987410 | 2016-08-08 17:59:02 +0000 | [diff] [blame] | 69 | set(PACKAGE_VERSION 4.0.0svn) |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 70 | set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}") |
Tanya Lattner | d8093df | 2015-08-05 04:01:26 +0000 | [diff] [blame] | 71 | set(PACKAGE_BUGREPORT "llvm-bugs@lists.llvm.org") |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 72 | |
| 73 | if(EXISTS ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py) |
| 74 | set(LLVM_LIT ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py) |
| 75 | else() |
| 76 | # Seek installed Lit. |
| 77 | find_program(LLVM_LIT "lit.py" ${LLVM_MAIN_SRC_DIR}/utils/lit |
| 78 | DOC "Path to lit.py") |
| 79 | endif() |
| 80 | |
| 81 | if(LLVM_LIT) |
| 82 | # Define the default arguments to use with 'lit', and an option for the user |
| 83 | # to override. |
| 84 | set(LIT_ARGS_DEFAULT "-sv") |
| 85 | if (MSVC OR XCODE) |
| 86 | set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar") |
| 87 | endif() |
| 88 | set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit") |
| 89 | |
| 90 | # On Win32 hosts, provide an option to specify the path to the GnuWin32 tools. |
| 91 | if( WIN32 AND NOT CYGWIN ) |
| 92 | set(LLVM_LIT_TOOLS_DIR "" CACHE PATH "Path to GnuWin32 tools") |
| 93 | endif() |
| 94 | else() |
| 95 | set(LLVM_INCLUDE_TESTS OFF) |
| 96 | endif() |
| 97 | |
Eric Fiselier | 6092bfa | 2016-08-16 03:44:55 +0000 | [diff] [blame] | 98 | set(LIBCXXABI_LIBDIR_SUFFIX "${LLVM_LIBDIR_SUFFIX}" CACHE STRING |
Chandler Carruth | 343559e | 2014-12-29 12:22:04 +0000 | [diff] [blame] | 99 | "Define suffix of library directory name (32/64)") |
| 100 | |
Eric Fiselier | 42ef22b | 2016-08-28 18:16:18 +0000 | [diff] [blame] | 101 | set(LIBCXXABI_STANDALONE_BUILD 1) |
Dan Albert | fd961bd | 2014-07-10 02:20:11 +0000 | [diff] [blame] | 102 | else() |
Eric Fiselier | 9a9e939 | 2015-01-22 20:00:06 +0000 | [diff] [blame] | 103 | set(LLVM_MAIN_SRC_DIR "${CMAKE_SOURCE_DIR}" CACHE PATH "Path to LLVM source tree") |
Dan Albert | fd961bd | 2014-07-10 02:20:11 +0000 | [diff] [blame] | 104 | set(LLVM_LIT "${CMAKE_SOURCE_DIR}/utils/lit/lit.py") |
Chandler Carruth | 343559e | 2014-12-29 12:22:04 +0000 | [diff] [blame] | 105 | set(LIBCXXABI_LIBDIR_SUFFIX ${LLVM_LIBDIR_SUFFIX}) |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 106 | endif() |
| 107 | |
| 108 | #=============================================================================== |
| 109 | # Setup CMake Options |
| 110 | #=============================================================================== |
| 111 | |
| 112 | # Define options. |
Asiri Rathnayake | 4174e8b | 2016-05-31 12:01:32 +0000 | [diff] [blame] | 113 | option(LIBCXXABI_ENABLE_EXCEPTIONS "Use exceptions." ON) |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 114 | option(LIBCXXABI_ENABLE_ASSERTIONS "Enable assertions independent of build mode." ON) |
| 115 | option(LIBCXXABI_ENABLE_PEDANTIC "Compile with pedantic enabled." ON) |
| 116 | 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] | 117 | option(LIBCXXABI_USE_LLVM_UNWINDER "Build and use the LLVM unwinder." OFF) |
Saleem Abdulrasool | f0a2620 | 2016-07-15 00:49:42 +0000 | [diff] [blame] | 118 | option(LIBCXXABI_USE_COMPILER_RT "Use compiler-rt instead of libgcc" OFF) |
Eric Fiselier | d872a69 | 2014-11-24 22:42:03 +0000 | [diff] [blame] | 119 | option(LIBCXXABI_ENABLE_THREADS "Build with threads enabled" ON) |
Ben Craig | b06c53c | 2016-05-25 17:37:38 +0000 | [diff] [blame] | 120 | option(LIBCXXABI_HAS_PTHREAD_API "Ignore auto-detection and force use of pthread API" OFF) |
Eric Fiselier | 046d2fc | 2016-06-02 02:18:31 +0000 | [diff] [blame] | 121 | option(LIBCXXABI_BUILD_32_BITS "Build 32 bit libc++abi." ${LLVM_BUILD_32_BITS}) |
| 122 | set(LIBCXXABI_TARGET_TRIPLE "" CACHE STRING "Target triple for cross compiling.") |
Ben Craig | 4ed725d | 2016-06-01 12:50:30 +0000 | [diff] [blame] | 123 | set(LIBCXXABI_GCC_TOOLCHAIN "" CACHE PATH "GCC toolchain for cross compiling.") |
| 124 | set(LIBCXXABI_SYSROOT "" CACHE PATH "Sysroot for cross compiling.") |
| 125 | set(LIBCXXABI_LIBCXX_LIBRARY_PATH "" CACHE PATH "The path to libc++ library.") |
Dan Albert | fd961bd | 2014-07-10 02:20:11 +0000 | [diff] [blame] | 126 | |
| 127 | # Default to building a shared library so that the default options still test |
| 128 | # the libc++abi that is being built. There are two problems with testing a |
| 129 | # static libc++abi. In the case of a standalone build, the tests will link the |
| 130 | # system's libc++, which might not have been built against our libc++abi. In the |
| 131 | # case of an in tree build, libc++ will prefer a dynamic libc++abi from the |
| 132 | # system over a static libc++abi from the output directory. |
| 133 | option(LIBCXXABI_ENABLE_SHARED "Build libc++abi as a shared library." ON) |
Eric Fiselier | d95080e | 2015-03-03 15:59:09 +0000 | [diff] [blame] | 134 | option(LIBCXXABI_ENABLE_STATIC "Build libc++abi as a static library." ON) |
| 135 | |
| 136 | if (NOT LIBCXXABI_ENABLE_SHARED AND NOT LIBCXXABI_ENABLE_STATIC) |
| 137 | message(FATAL_ERROR "libc++abi must be built as either a shared or static library.") |
| 138 | endif() |
Dan Albert | fd961bd | 2014-07-10 02:20:11 +0000 | [diff] [blame] | 139 | |
Mehdi Amini | 6dc7581 | 2016-11-07 22:07:43 +0000 | [diff] [blame^] | 140 | if (LLVM_EXTERNAL_LIBCXX_SOURCE_DIR) |
| 141 | set(LIBCXXABI_LIBCXX_SRC_DIR ${LLVM_EXTERNAL_LIBCXX_SOURCE_DIR}) |
| 142 | else() |
| 143 | set(LIBCXXABI_LIBCXX_SRC_DIR ${LLVM_MAIN_SRC_DIR}/projects/libcxx/include) |
| 144 | endif() |
| 145 | |
Dan Albert | fd961bd | 2014-07-10 02:20:11 +0000 | [diff] [blame] | 146 | find_path( |
| 147 | LIBCXXABI_LIBCXX_INCLUDES |
| 148 | vector |
| 149 | PATHS ${LIBCXXABI_LIBCXX_INCLUDES} |
Eric Fiselier | 9a9e939 | 2015-01-22 20:00:06 +0000 | [diff] [blame] | 150 | ${LIBCXXABI_LIBCXX_PATH}/include |
Dan Albert | fd961bd | 2014-07-10 02:20:11 +0000 | [diff] [blame] | 151 | ${CMAKE_BINARY_DIR}/${LIBCXXABI_LIBCXX_INCLUDES} |
Mehdi Amini | 6dc7581 | 2016-11-07 22:07:43 +0000 | [diff] [blame^] | 152 | ${LIBCXXABI_LIBCXX_SRC_DIR}/include |
Dan Albert | fd961bd | 2014-07-10 02:20:11 +0000 | [diff] [blame] | 153 | ${LLVM_INCLUDE_DIR}/c++/v1 |
| 154 | ) |
| 155 | |
Eric Fiselier | 9a9e939 | 2015-01-22 20:00:06 +0000 | [diff] [blame] | 156 | set(LIBCXXABI_LIBCXX_INCLUDES "${LIBCXXABI_LIBCXX_INCLUDES}" CACHE PATH |
Dan Albert | fd961bd | 2014-07-10 02:20:11 +0000 | [diff] [blame] | 157 | "Specify path to libc++ includes." FORCE) |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 158 | |
Eric Fiselier | 9a9e939 | 2015-01-22 20:00:06 +0000 | [diff] [blame] | 159 | find_path( |
| 160 | LIBCXXABI_LIBCXX_PATH |
| 161 | test/libcxx/__init__.py |
| 162 | PATHS ${LIBCXXABI_LIBCXX_PATH} |
| 163 | ${LIBCXXABI_LIBCXX_INCLUDES}/../ |
Mehdi Amini | 6dc7581 | 2016-11-07 22:07:43 +0000 | [diff] [blame^] | 164 | ${LIBCXXABI_LIBCXX_SRC_DIR} |
Eric Fiselier | 9a9e939 | 2015-01-22 20:00:06 +0000 | [diff] [blame] | 165 | NO_DEFAULT_PATH |
| 166 | ) |
| 167 | |
| 168 | if (LIBCXXABI_LIBCXX_PATH STREQUAL "LIBCXXABI_LIBCXX_PATH-NOTFOUND") |
| 169 | message(WARNING "LIBCXXABI_LIBCXX_PATH was not specified and couldn't be infered.") |
| 170 | set(LIBCXXABI_LIBCXX_PATH "") |
| 171 | endif() |
| 172 | |
| 173 | set(LIBCXXABI_LIBCXX_PATH "${LIBCXXABI_LIBCXX_PATH}" CACHE PATH |
| 174 | "Specify path to libc++ source." FORCE) |
| 175 | |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 176 | #=============================================================================== |
| 177 | # Configure System |
| 178 | #=============================================================================== |
| 179 | |
| 180 | # Add path for custom modules |
| 181 | set(CMAKE_MODULE_PATH |
| 182 | "${CMAKE_CURRENT_SOURCE_DIR}/cmake" |
| 183 | "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules" |
| 184 | ${CMAKE_MODULE_PATH} |
| 185 | ) |
| 186 | |
Chandler Carruth | 343559e | 2014-12-29 12:22:04 +0000 | [diff] [blame] | 187 | set(LIBCXXABI_COMPILER ${CMAKE_CXX_COMPILER}) |
| 188 | set(LIBCXXABI_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}) |
| 189 | set(LIBCXXABI_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}) |
| 190 | set(LIBCXXABI_LIBRARY_DIR ${CMAKE_BINARY_DIR}/lib${LIBCXXABI_LIBDIR_SUFFIX}) |
| 191 | |
Ben Craig | 80b6b68 | 2016-04-18 13:30:38 +0000 | [diff] [blame] | 192 | set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LIBCXXABI_LIBRARY_DIR}) |
| 193 | set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LIBCXXABI_LIBRARY_DIR}) |
| 194 | |
Ben Craig | 4ed725d | 2016-06-01 12:50:30 +0000 | [diff] [blame] | 195 | # By default, for non-standalone builds, libcxx and libcxxabi share a library |
| 196 | # directory. |
| 197 | if (NOT LIBCXXABI_LIBCXX_LIBRARY_PATH) |
| 198 | set(LIBCXXABI_LIBCXX_LIBRARY_PATH "${LIBCXXABI_LIBRARY_DIR}" CACHE PATH |
| 199 | "The path to libc++ library.") |
Eugene Zelenko | 9987410 | 2016-08-08 17:59:02 +0000 | [diff] [blame] | 200 | endif() |
Eric Fiselier | 046d2fc | 2016-06-02 02:18:31 +0000 | [diff] [blame] | 201 | |
| 202 | # Check that we can build with 32 bits if requested. |
| 203 | if (CMAKE_SIZEOF_VOID_P EQUAL 8 AND NOT WIN32) |
| 204 | if (LIBCXXABI_BUILD_32_BITS AND NOT LLVM_BUILD_32_BITS) # Don't duplicate the output from LLVM |
| 205 | message(STATUS "Building 32 bits executables and libraries.") |
| 206 | endif() |
| 207 | elseif(LIBCXXABI_BUILD_32_BITS) |
| 208 | message(FATAL_ERROR "LIBCXXABI_BUILD_32_BITS=ON is not supported on this platform.") |
| 209 | endif() |
| 210 | |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 211 | #=============================================================================== |
| 212 | # Setup Compiler Flags |
| 213 | #=============================================================================== |
| 214 | |
| 215 | # Get required flags. |
| 216 | macro(append_if list condition var) |
| 217 | if (${condition}) |
| 218 | list(APPEND ${list} ${var}) |
| 219 | endif() |
| 220 | endmacro() |
| 221 | |
Eric Fiselier | 046d2fc | 2016-06-02 02:18:31 +0000 | [diff] [blame] | 222 | macro(add_target_flags_if condition var) |
| 223 | if (${condition}) |
| 224 | set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${var}") |
| 225 | set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${var}") |
| 226 | list(APPEND LIBCXXABI_LINK_FLAGS ${var}) |
| 227 | endif() |
| 228 | endmacro() |
| 229 | |
Logan Chien | 1c5ae13 | 2015-01-22 13:39:08 +0000 | [diff] [blame] | 230 | set(LIBCXXABI_C_FLAGS "") |
Eric Fiselier | c365bb5 | 2014-11-18 20:37:53 +0000 | [diff] [blame] | 231 | set(LIBCXXABI_CXX_FLAGS "") |
| 232 | set(LIBCXXABI_COMPILE_FLAGS "") |
| 233 | set(LIBCXXABI_LINK_FLAGS "") |
| 234 | |
Eric Fiselier | 046d2fc | 2016-06-02 02:18:31 +0000 | [diff] [blame] | 235 | # Configure target flags |
| 236 | add_target_flags_if(LIBCXXABI_BUILD_32_BITS "-m32") |
| 237 | add_target_flags_if(LIBCXXABI_TARGET_TRIPLE |
| 238 | "-target ${LIBCXXABI_TARGET_TRIPLE}") |
| 239 | add_target_flags_if(LIBCXXABI_GCC_TOOLCHAIN |
| 240 | "-gcc-toolchain ${LIBCXXABI_GCC_TOOLCHAIN}") |
| 241 | add_target_flags_if(LIBCXXABI_SYSROOT |
| 242 | "--sysroot=${LIBCXXABI_SYSROOT}") |
| 243 | |
| 244 | # Configure compiler. Must happen after setting the target flags. |
| 245 | include(config-ix) |
Eric Fiselier | c365bb5 | 2014-11-18 20:37:53 +0000 | [diff] [blame] | 246 | |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 247 | if (LIBCXXABI_HAS_NOSTDINCXX_FLAG) |
Eric Fiselier | c365bb5 | 2014-11-18 20:37:53 +0000 | [diff] [blame] | 248 | list(APPEND LIBCXXABI_COMPILE_FLAGS -nostdinc++) |
| 249 | # Remove -stdlib flags to prevent them from causing an unused flag warning. |
| 250 | string(REPLACE "-stdlib=libc++" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") |
| 251 | string(REPLACE "-stdlib=libstdc++" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 252 | endif() |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 253 | |
Saleem Abdulrasool | f0a2620 | 2016-07-15 00:49:42 +0000 | [diff] [blame] | 254 | if (LIBCXXABI_USE_COMPILER_RT) |
| 255 | list(APPEND LIBCXXABI_LINK_FLAGS "-rtlib=compiler-rt") |
Eugene Zelenko | 9987410 | 2016-08-08 17:59:02 +0000 | [diff] [blame] | 256 | endif() |
Eric Fiselier | c365bb5 | 2014-11-18 20:37:53 +0000 | [diff] [blame] | 257 | |
Shoaib Meenai | a086331 | 2016-09-27 03:44:09 +0000 | [diff] [blame] | 258 | # Let the library headers know they are currently being used to build the |
| 259 | # library. |
| 260 | add_definitions(-D_LIBCXXABI_BUILDING_LIBRARY) |
| 261 | |
| 262 | # Disable DLL annotations on Windows for static builds. |
| 263 | if (WIN32 AND LIBCXXABI_ENABLE_STATIC AND NOT LIBCXXABI_ENABLE_SHARED) |
| 264 | add_definitions(-D_LIBCXXABI_DISABLE_DLL_IMPORT_EXPORT) |
| 265 | endif() |
| 266 | |
Eric Fiselier | c365bb5 | 2014-11-18 20:37:53 +0000 | [diff] [blame] | 267 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WERROR_FLAG -Werror=return-type) |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 268 | |
| 269 | # Get warning flags |
Eric Fiselier | c365bb5 | 2014-11-18 20:37:53 +0000 | [diff] [blame] | 270 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_W_FLAG -W) |
| 271 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WALL_FLAG -Wall) |
| 272 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WCHAR_SUBSCRIPTS_FLAG -Wchar-subscripts) |
| 273 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WCONVERSION_FLAG -Wconversion) |
| 274 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WMISMATCHED_TAGS_FLAG -Wmismatched-tags) |
| 275 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WMISSING_BRACES_FLAG -Wmissing-braces) |
| 276 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WNEWLINE_EOF_FLAG -Wnewline-eof) |
| 277 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WNO_UNUSED_FUNCTION_FLAG -Wno-unused-function) |
| 278 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WSHADOW_FLAG -Wshadow) |
| 279 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WSHORTEN_64_TO_32_FLAG -Wshorten-64-to-32) |
| 280 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WSIGN_COMPARE_FLAG -Wsign-compare) |
| 281 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WSIGN_CONVERSION_FLAG -Wsign-conversion) |
| 282 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WSTRICT_ALIASING_FLAG -Wstrict-aliasing=2) |
| 283 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WSTRICT_OVERFLOW_FLAG -Wstrict-overflow=4) |
| 284 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WUNUSED_PARAMETER_FLAG -Wunused-parameter) |
| 285 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WUNUSED_VARIABLE_FLAG -Wunused-variable) |
| 286 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WWRITE_STRINGS_FLAG -Wwrite-strings) |
Dan Albert | a1fce46 | 2015-02-05 01:33:15 +0000 | [diff] [blame] | 287 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WUNDEF_FLAG -Wundef) |
Dan Albert | f198219 | 2014-07-10 22:23:03 +0000 | [diff] [blame] | 288 | |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 289 | if (LIBCXXABI_ENABLE_WERROR) |
Eric Fiselier | c365bb5 | 2014-11-18 20:37:53 +0000 | [diff] [blame] | 290 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WERROR_FLAG -Werror) |
| 291 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WX_FLAG -WX) |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 292 | else() |
Eric Fiselier | c365bb5 | 2014-11-18 20:37:53 +0000 | [diff] [blame] | 293 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_WNO_ERROR_FLAG -Wno-error) |
| 294 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_NO_WX_FLAG -WX-) |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 295 | endif() |
| 296 | if (LIBCXXABI_ENABLE_PEDANTIC) |
Eric Fiselier | c365bb5 | 2014-11-18 20:37:53 +0000 | [diff] [blame] | 297 | append_if(LIBCXXABI_COMPILE_FLAGS LIBCXXABI_HAS_PEDANTIC_FLAG -pedantic) |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 298 | endif() |
| 299 | |
| 300 | # Get feature flags. |
Eric Fiselier | c365bb5 | 2014-11-18 20:37:53 +0000 | [diff] [blame] | 301 | append_if(LIBCXXABI_CXX_FLAGS LIBCXXABI_HAS_FSTRICT_ALIASING_FLAG -fstrict-aliasing) |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 302 | |
Asiri Rathnayake | 4174e8b | 2016-05-31 12:01:32 +0000 | [diff] [blame] | 303 | # Exceptions |
| 304 | if (LIBCXXABI_ENABLE_EXCEPTIONS) |
| 305 | # Catches C++ exceptions only and tells the compiler to assume that extern C |
| 306 | # functions never throw a C++ exception. |
| 307 | append_if(LIBCXXABI_CXX_FLAGS LIBCXXABI_HAS_EHSC_FLAG -EHsc) |
| 308 | append_if(LIBCXXABI_C_FLAGS LIBCXXABI_HAS_FUNWIND_TABLES -funwind-tables) |
| 309 | else() |
| 310 | add_definitions(-D_LIBCXXABI_NO_EXCEPTIONS) |
| 311 | append_if(LIBCXXABI_CXX_FLAGS LIBCXXABI_HAS_NO_EXCEPTIONS_FLAG -fno-exceptions) |
| 312 | append_if(LIBCXXABI_CXX_FLAGS LIBCXXABI_HAS_NO_EHS_FLAG -EHs-) |
| 313 | append_if(LIBCXXABI_CXX_FLAGS LIBCXXABI_HAS_NO_EHA_FLAG -EHa-) |
| 314 | endif() |
Logan Chien | 1c5ae13 | 2015-01-22 13:39:08 +0000 | [diff] [blame] | 315 | |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 316 | # Assert |
| 317 | string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE) |
| 318 | if (LIBCXXABI_ENABLE_ASSERTIONS) |
| 319 | # MSVC doesn't like _DEBUG on release builds. See PR 4379. |
| 320 | if (NOT MSVC) |
Eric Fiselier | c365bb5 | 2014-11-18 20:37:53 +0000 | [diff] [blame] | 321 | list(APPEND LIBCXXABI_COMPILE_FLAGS -D_DEBUG) |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 322 | endif() |
| 323 | # On Release builds cmake automatically defines NDEBUG, so we |
| 324 | # explicitly undefine it: |
| 325 | if (uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE") |
Eric Fiselier | c365bb5 | 2014-11-18 20:37:53 +0000 | [diff] [blame] | 326 | list(APPEND LIBCXXABI_COMPILE_FLAGS -UNDEBUG) |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 327 | endif() |
| 328 | else() |
| 329 | if (NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE") |
Eric Fiselier | c365bb5 | 2014-11-18 20:37:53 +0000 | [diff] [blame] | 330 | list(APPEND LIBCXXABI_COMPILE_FLAGS -DNDEBUG) |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 331 | endif() |
| 332 | endif() |
| 333 | # Static library |
| 334 | if (NOT LIBCXXABI_ENABLE_SHARED) |
Eric Fiselier | c365bb5 | 2014-11-18 20:37:53 +0000 | [diff] [blame] | 335 | list(APPEND LIBCXXABI_COMPILE_FLAGS -D_LIBCPP_BUILD_STATIC) |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 336 | endif() |
| 337 | |
Eric Fiselier | d872a69 | 2014-11-24 22:42:03 +0000 | [diff] [blame] | 338 | if (NOT LIBCXXABI_ENABLE_THREADS) |
Ben Craig | b06c53c | 2016-05-25 17:37:38 +0000 | [diff] [blame] | 339 | if (LIBCXXABI_HAS_PTHREAD_API) |
| 340 | message(FATAL_ERROR "LIBCXXABI_HAS_PTHREAD_API can only" |
| 341 | " be set to ON when LIBCXXABI_ENABLE_THREADS" |
| 342 | " is also set to ON.") |
| 343 | endif() |
Asiri Rathnayake | b62a4dd | 2016-09-21 09:09:32 +0000 | [diff] [blame] | 344 | add_definitions(-D_LIBCXXABI_HAS_NO_THREADS) |
Eric Fiselier | d872a69 | 2014-11-24 22:42:03 +0000 | [diff] [blame] | 345 | endif() |
| 346 | |
Ben Craig | b06c53c | 2016-05-25 17:37:38 +0000 | [diff] [blame] | 347 | if (LIBCXXABI_HAS_PTHREAD_API) |
| 348 | add_definitions(-D_LIBCPP_HAS_THREAD_API_PTHREAD) |
Asiri Rathnayake | 5180673 | 2016-10-13 15:05:19 +0000 | [diff] [blame] | 349 | add_definitions(-D_LIBCXXABI_USE_THREAD_API_PTHREAD) |
Ben Craig | b06c53c | 2016-05-25 17:37:38 +0000 | [diff] [blame] | 350 | endif() |
| 351 | |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 352 | if (MSVC) |
| 353 | add_definitions(-D_CRT_SECURE_NO_WARNINGS) |
| 354 | endif() |
| 355 | |
Logan Chien | 083506f | 2015-01-22 13:27:36 +0000 | [diff] [blame] | 356 | # Define LIBCXXABI_USE_LLVM_UNWINDER for conditional compilation. |
Eric Fiselier | 3641403 | 2015-04-29 15:53:03 +0000 | [diff] [blame] | 357 | if (LIBCXXABI_USE_LLVM_UNWINDER OR LLVM_NATIVE_ARCH MATCHES ARM) |
Logan Chien | 083506f | 2015-01-22 13:27:36 +0000 | [diff] [blame] | 358 | add_definitions(-DLIBCXXABI_USE_LLVM_UNWINDER=1) |
| 359 | endif() |
| 360 | |
Eric Fiselier | c365bb5 | 2014-11-18 20:37:53 +0000 | [diff] [blame] | 361 | string(REPLACE ";" " " LIBCXXABI_CXX_FLAGS "${LIBCXXABI_CXX_FLAGS}") |
| 362 | set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${LIBCXXABI_CXX_FLAGS}") |
Logan Chien | 1c5ae13 | 2015-01-22 13:39:08 +0000 | [diff] [blame] | 363 | set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${LIBCXXABI_C_FLAGS}") |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 364 | |
| 365 | #=============================================================================== |
| 366 | # Setup Source Code |
| 367 | #=============================================================================== |
| 368 | |
Anton Korobeynikov | c509660 | 2015-05-08 16:10:11 +0000 | [diff] [blame] | 369 | set(LIBCXXABI_LIBUNWIND_INCLUDES "${LIBCXXABI_LIBUNWIND_INCLUDES}" CACHE PATH |
| 370 | "Specify path to libunwind includes." FORCE) |
| 371 | set(LIBCXXABI_LIBUNWIND_PATH "${LIBCXXABI_LIBUNWIND_PATH}" CACHE PATH |
| 372 | "Specify path to libunwind source." FORCE) |
| 373 | |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 374 | include_directories(include) |
Eric Fiselier | 3641403 | 2015-04-29 15:53:03 +0000 | [diff] [blame] | 375 | if (LIBCXXABI_USE_LLVM_UNWINDER OR LLVM_NATIVE_ARCH MATCHES ARM) |
Anton Korobeynikov | c509660 | 2015-05-08 16:10:11 +0000 | [diff] [blame] | 376 | find_path( |
Anton Korobeynikov | f662666 | 2015-05-09 21:03:01 +0000 | [diff] [blame] | 377 | LIBCXXABI_LIBUNWIND_INCLUDES_INTERNAL |
Anton Korobeynikov | c509660 | 2015-05-08 16:10:11 +0000 | [diff] [blame] | 378 | libunwind.h |
| 379 | PATHS ${LIBCXXABI_LIBUNWIND_INCLUDES} |
| 380 | ${LIBCXXABI_LIBUNWIND_PATH}/include |
| 381 | ${CMAKE_BINARY_DIR}/${LIBCXXABI_LIBUNWIND_INCLUDES} |
| 382 | ${LLVM_MAIN_SRC_DIR}/projects/libunwind/include |
Anton Korobeynikov | f662666 | 2015-05-09 21:03:01 +0000 | [diff] [blame] | 383 | NO_DEFAULT_PATH |
Anton Korobeynikov | c509660 | 2015-05-08 16:10:11 +0000 | [diff] [blame] | 384 | ) |
| 385 | |
| 386 | find_path( |
| 387 | LIBCXXABI_LIBUNWIND_SOURCES |
| 388 | libunwind_ext.h |
| 389 | PATHS ${LIBCXXABI_LIBUNWIND_PATH}/src/ |
| 390 | ${LIBCXXABI_LIBUNWIND_INCLUDES}/../src/ |
| 391 | ${LLVM_MAIN_SRC_DIR}/projects/libunwind/src/ |
| 392 | NO_DEFAULT_PATH |
| 393 | ) |
| 394 | |
Anton Korobeynikov | f273775 | 2015-05-08 18:14:14 +0000 | [diff] [blame] | 395 | if (LIBCXXABI_LIBUNWIND_SOURCES STREQUAL "LIBCXXABI_LIBUNWIND_SOURCES-NOTFOUND") |
Eugene Zelenko | 6b68c7c | 2016-04-18 17:40:18 +0000 | [diff] [blame] | 396 | message(WARNING "LIBCXXABI_LIBUNWIND_SOURCES was not specified and couldn't be infered.") |
Anton Korobeynikov | f273775 | 2015-05-08 18:14:14 +0000 | [diff] [blame] | 397 | set(LIBCXXABI_LIBUNWIND_SOURCES "") |
Anton Korobeynikov | c509660 | 2015-05-08 16:10:11 +0000 | [diff] [blame] | 398 | endif() |
| 399 | |
Anton Korobeynikov | f662666 | 2015-05-09 21:03:01 +0000 | [diff] [blame] | 400 | include_directories("${LIBCXXABI_LIBUNWIND_INCLUDES_INTERNAL}") |
Anton Korobeynikov | c509660 | 2015-05-08 16:10:11 +0000 | [diff] [blame] | 401 | include_directories("${LIBCXXABI_LIBUNWIND_SOURCES}") |
Eugene Zelenko | 9987410 | 2016-08-08 17:59:02 +0000 | [diff] [blame] | 402 | endif() |
Dan Albert | e11c1a7 | 2014-07-03 19:35:48 +0000 | [diff] [blame] | 403 | |
| 404 | # Add source code. This also contains all of the logic for deciding linker flags |
| 405 | # soname, etc... |
| 406 | add_subdirectory(src) |
Dan Albert | fd961bd | 2014-07-10 02:20:11 +0000 | [diff] [blame] | 407 | |
Eric Fiselier | 42ef22b | 2016-08-28 18:16:18 +0000 | [diff] [blame] | 408 | if (LIBCXXABI_STANDALONE_BUILD AND NOT LIBCXXABI_ENABLE_SHARED) |
Ben Craig | 4ed725d | 2016-06-01 12:50:30 +0000 | [diff] [blame] | 409 | # We can't reasonably test the system C++ library with a static libc++abi. |
| 410 | # We either need to be able to replace libc++abi at run time (with a shared |
| 411 | # libc++abi), or we need to be able to replace the C++ runtime (with a non- |
| 412 | # standalone build). |
| 413 | message(WARNING "The libc++abi tests aren't valid when libc++abi is built " |
| 414 | "standalone (i.e. outside of llvm/projects/libcxxabi ) and " |
| 415 | "is built without a shared library. Either build a shared " |
| 416 | "library, build libc++abi at the same time as you build " |
| 417 | "libc++, or do without testing. No check target will be " |
Dan Albert | fd961bd | 2014-07-10 02:20:11 +0000 | [diff] [blame] | 418 | "available!") |
| 419 | else() |
| 420 | add_subdirectory(test) |
| 421 | endif() |