CMakeLists.txt revision 5fcb7c5bdd98aab09c6a462ca69e61d8e9f42104
15fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert#=============================================================================== 25fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert# Setup Project 35fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert#=============================================================================== 45fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert 55fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertcmake_minimum_required(VERSION 2.8.8) 65fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert 75fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertif (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR) 85fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert project(libcxxabi) 95fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert 105fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert # Rely on llvm-config. 115fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert set(CONFIG_OUTPUT) 125fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert find_program(LLVM_CONFIG "llvm-config") 135fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert if(DEFINED LLVM_PATH) 145fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert set(LLVM_INCLUDE_DIR ${LLVM_INCLUDE_DIR} CACHE PATH "Path to llvm/include") 155fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert set(LLVM_PATH ${LLVM_PATH} CACHE PATH "Path to LLVM source tree") 165fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert set(LLVM_MAIN_SRC_DIR ${LLVM_PATH}) 175fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert set(LLVM_CMAKE_PATH "${LLVM_PATH}/cmake/modules") 185fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert elseif(LLVM_CONFIG) 195fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert message(STATUS "Found LLVM_CONFIG as ${LLVM_CONFIG}") 205fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert set(CONFIG_COMMAND ${LLVM_CONFIG} 215fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert "--includedir" 225fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert "--prefix" 235fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert "--src-root") 245fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert execute_process( 255fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert COMMAND ${CONFIG_COMMAND} 265fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert RESULT_VARIABLE HAD_ERROR 275fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert OUTPUT_VARIABLE CONFIG_OUTPUT 285fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert ) 295fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert if(NOT HAD_ERROR) 305fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert string(REGEX REPLACE 315fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert "[ \t]*[\r\n]+[ \t]*" ";" 325fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert CONFIG_OUTPUT ${CONFIG_OUTPUT}) 335fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert else() 345fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert string(REPLACE ";" " " CONFIG_COMMAND_STR "${CONFIG_COMMAND}") 355fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert message(STATUS "${CONFIG_COMMAND_STR}") 365fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert message(FATAL_ERROR "llvm-config failed with status ${HAD_ERROR}") 375fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert endif() 385fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert 395fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert list(GET CONFIG_OUTPUT 0 INCLUDE_DIR) 405fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert list(GET CONFIG_OUTPUT 1 LLVM_OBJ_ROOT) 415fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert list(GET CONFIG_OUTPUT 2 MAIN_SRC_DIR) 425fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert 435fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert set(LLVM_INCLUDE_DIR ${INCLUDE_DIR} CACHE PATH "Path to llvm/include") 445fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert set(LLVM_BINARY_DIR ${LLVM_OBJ_ROOT} CACHE PATH "Path to LLVM build tree") 455fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert set(LLVM_MAIN_SRC_DIR ${MAIN_SRC_DIR} CACHE PATH "Path to LLVM source tree") 465fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert set(LLVM_CMAKE_PATH "${LLVM_BINARY_DIR}/share/llvm/cmake") 475fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert set(LLVM_LIT_PATH "${LLVM_PATH}/utils/lit/lit.py") 485fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert else() 495fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert message(FATAL_ERROR "llvm-config not found and LLVM_MAIN_SRC_DIR not defined. " 505fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert "Reconfigure with -DLLVM_CONFIG=path/to/llvm-config " 515fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert "or -DLLVM_PATH=path/to/llvm-source-root.") 525fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert endif() 535fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert 545fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert if(EXISTS ${LLVM_CMAKE_PATH}) 555fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert list(APPEND CMAKE_MODULE_PATH "${LLVM_CMAKE_PATH}") 565fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert include("${LLVM_CMAKE_PATH}/AddLLVM.cmake") 575fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert include("${LLVM_CMAKE_PATH}/HandleLLVMOptions.cmake") 585fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert else() 595fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert message(FATAL_ERROR "Not found: ${LLVM_CMAKE_PATH}") 605fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert endif() 615fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert 625fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert set(PACKAGE_NAME libcxxabi) 635fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert set(PACKAGE_VERSION 3.6.0svn) 645fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}") 655fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert set(PACKAGE_BUGREPORT "llvmbugs@cs.uiuc.edu") 665fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert 675fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert if(EXISTS ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py) 685fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert set(LLVM_LIT ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py) 695fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert else() 705fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert # Seek installed Lit. 715fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert find_program(LLVM_LIT "lit.py" ${LLVM_MAIN_SRC_DIR}/utils/lit 725fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert DOC "Path to lit.py") 735fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert endif() 745fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert 755fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert if(LLVM_LIT) 765fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert # Define the default arguments to use with 'lit', and an option for the user 775fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert # to override. 785fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert set(LIT_ARGS_DEFAULT "-sv") 795fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert if (MSVC OR XCODE) 805fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert set(LIT_ARGS_DEFAULT "${LIT_ARGS_DEFAULT} --no-progress-bar") 815fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert endif() 825fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert set(LLVM_LIT_ARGS "${LIT_ARGS_DEFAULT}" CACHE STRING "Default options for lit") 835fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert 845fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert # On Win32 hosts, provide an option to specify the path to the GnuWin32 tools. 855fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert if( WIN32 AND NOT CYGWIN ) 865fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert set(LLVM_LIT_TOOLS_DIR "" CACHE PATH "Path to GnuWin32 tools") 875fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert endif() 885fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert else() 895fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert set(LLVM_INCLUDE_TESTS OFF) 905fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert endif() 915fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert 925fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib) 935fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib) 945fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert 955fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert set(LIBCXXABI_BUILT_STANDALONE 1) 965fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertelse() 975fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert set(LLVM_LIT "${CMAKE_SOURCE_DIR}/utils/lit/lit.py") 985fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertendif() 995fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert 1005fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert#=============================================================================== 1015fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert# Setup CMake Options 1025fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert#=============================================================================== 1035fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert 1045fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert# Define options. 1055fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertoption(LIBCXXABI_ENABLE_ASSERTIONS "Enable assertions independent of build mode." ON) 1065fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertoption(LIBCXXABI_ENABLE_PEDANTIC "Compile with pedantic enabled." ON) 1075fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertoption(LIBCXXABI_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF) 1085fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertoption(LIBCXXABI_USE_LLVM_UNWINDER "Build and use the LLVM unwinder." OFF) 1095fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert 1105fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert# Default to building a shared library so that the default options still test 1115fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert# the libc++abi that is being built. There are two problems with testing a 1125fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert# static libc++abi. In the case of a standalone build, the tests will link the 1135fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert# system's libc++, which might not have been built against our libc++abi. In the 1145fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert# case of an in tree build, libc++ will prefer a dynamic libc++abi from the 1155fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert# system over a static libc++abi from the output directory. 1165fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertoption(LIBCXXABI_ENABLE_SHARED "Build libc++abi as a shared library." ON) 1175fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert 1185fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertfind_path( 1195fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert LIBCXXABI_LIBCXX_INCLUDES 1205fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert vector 1215fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert PATHS ${LIBCXXABI_LIBCXX_INCLUDES} 1225fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert ${CMAKE_BINARY_DIR}/${LIBCXXABI_LIBCXX_INCLUDES} 1235fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert ${LLVM_MAIN_SRC_DIR}/projects/libcxx/include 1245fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert ${LLVM_INCLUDE_DIR}/c++/v1 1255fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert ) 1265fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert 1275fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertset(LIBCXXABI_LIBCXX_INCLUDES "${LIBCXXABI_LIBCXX_INCLUDES}" CACHE STRING 1285fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert "Specify path to libc++ includes." FORCE) 1295fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert 1305fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert#=============================================================================== 1315fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert# Configure System 1325fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert#=============================================================================== 1335fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert 1345fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert# Add path for custom modules 1355fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertset(CMAKE_MODULE_PATH 1365fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert "${CMAKE_CURRENT_SOURCE_DIR}/cmake" 1375fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules" 1385fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert ${CMAKE_MODULE_PATH} 1395fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert ) 1405fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert 1415fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert# Configure compiler. 1425fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertinclude(config-ix) 1435fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert 1445fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert#=============================================================================== 1455fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert# Setup Compiler Flags 1465fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert#=============================================================================== 1475fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert 1485fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert# Get required flags. 1495fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertmacro(append_if list condition var) 1505fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert if (${condition}) 1515fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert list(APPEND ${list} ${var}) 1525fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert endif() 1535fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertendmacro() 1545fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert 1555fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertif (LIBCXXABI_HAS_NOSTDINCXX_FLAG) 1565fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert list(APPEND LIBCXXABI_CXX_REQUIRED_FLAGS -nostdinc++) 1575fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertendif() 1585fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert 1595fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertappend_if(LIBCXXABI_CXX_REQUIRED_FLAGS LIBCXXABI_HAS_WERROR_FLAG -Werror=return-type) 1605fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert 1615fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert# Get warning flags 1625fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertappend_if(LIBCXXABI_CXX_WARNING_FLAGS LIBCXXABI_HAS_W_FLAG -W) 1635fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertappend_if(LIBCXXABI_CXX_WARNING_FLAGS LIBCXXABI_HAS_WALL_FLAG -Wall) 1645fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertappend_if(LIBCXXABI_CXX_WARNING_FLAGS LIBCXXABI_HAS_WCHAR_SUBSCRIPTS_FLAG -Wchar-subscripts) 1655fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertappend_if(LIBCXXABI_CXX_WARNING_FLAGS LIBCXXABI_HAS_WCONVERSION_FLAG -Wconversion) 1665fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertappend_if(LIBCXXABI_CXX_WARNING_FLAGS LIBCXXABI_HAS_WMISMATCHED_TAGS_FLAG -Wmismatched-tags) 1675fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertappend_if(LIBCXXABI_CXX_WARNING_FLAGS LIBCXXABI_HAS_WMISSING_BRACES_FLAG -Wmissing-braces) 1685fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertappend_if(LIBCXXABI_CXX_WARNING_FLAGS LIBCXXABI_HAS_WNEWLINE_EOF_FLAG -Wnewline-eof) 1695fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertappend_if(LIBCXXABI_CXX_WARNING_FLAGS LIBCXXABI_HAS_WNO_UNUSED_FUNCTION_FLAG -Wno-unused-function) 1705fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertappend_if(LIBCXXABI_CXX_WARNING_FLAGS LIBCXXABI_HAS_WSHADOW_FLAG -Wshadow) 1715fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertappend_if(LIBCXXABI_CXX_WARNING_FLAGS LIBCXXABI_HAS_WSHORTEN_64_TO_32_FLAG -Wshorten-64-to-32) 1725fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertappend_if(LIBCXXABI_CXX_WARNING_FLAGS LIBCXXABI_HAS_WSIGN_COMPARE_FLAG -Wsign-compare) 1735fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertappend_if(LIBCXXABI_CXX_WARNING_FLAGS LIBCXXABI_HAS_WSIGN_CONVERSION_FLAG -Wsign-conversion) 1745fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertappend_if(LIBCXXABI_CXX_WARNING_FLAGS LIBCXXABI_HAS_WSTRICT_ALIASING_FLAG -Wstrict-aliasing=2) 1755fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertappend_if(LIBCXXABI_CXX_WARNING_FLAGS LIBCXXABI_HAS_WSTRICT_OVERFLOW_FLAG -Wstrict-overflow=4) 1765fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertappend_if(LIBCXXABI_CXX_WARNING_FLAGS LIBCXXABI_HAS_WUNUSED_PARAMETER_FLAG -Wunused-parameter) 1775fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertappend_if(LIBCXXABI_CXX_WARNING_FLAGS LIBCXXABI_HAS_WUNUSED_VARIABLE_FLAG -Wunused-variable) 1785fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertappend_if(LIBCXXABI_CXX_WARNING_FLAGS LIBCXXABI_HAS_WWRITE_STRINGS_FLAG -Wwrite-strings) 1795fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert 1805fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertif (LIBCXXABI_ENABLE_WERROR) 1815fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert append_if(LIBCXXABI_CXX_WARNING_FLAGS LIBCXXABI_HAS_WERROR_FLAG -Werror) 1825fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert append_if(LIBCXXABI_CXX_WARNING_FLAGS LIBCXXABI_HAS_WX_FLAG -WX) 1835fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertelse() 1845fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert append_if(LIBCXXABI_CXX_WARNING_FLAGS LIBCXXABI_HAS_WNO_ERROR_FLAG -Wno-error) 1855fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert append_if(LIBCXXABI_CXX_WARNING_FLAGS LIBCXXABI_HAS_NO_WX_FLAG -WX-) 1865fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertendif() 1875fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertif (LIBCXXABI_ENABLE_PEDANTIC) 1885fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert append_if(LIBCXXABI_CXX_WARNING_FLAGS LIBCXXABI_HAS_PEDANTIC_FLAG -pedantic) 1895fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertendif() 1905fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert 1915fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert# Get feature flags. 1925fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert# Exceptions 1935fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert# Catches C++ exceptions only and tells the compiler to assume that extern C 1945fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert# functions never throw a C++ exception. 1955fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertappend_if(LIBCXXABI_CXX_FEATURE_FLAGS LIBCXXABI_HAS_FSTRICT_ALIASING_FLAG -fstrict-aliasing) 1965fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertappend_if(LIBCXXABI_CXX_FEATURE_FLAGS LIBCXXABI_HAS_EHSC_FLAG -EHsc) 1975fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert 1985fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert# Assert 1995fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertstring(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE) 2005fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertif (LIBCXXABI_ENABLE_ASSERTIONS) 2015fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert # MSVC doesn't like _DEBUG on release builds. See PR 4379. 2025fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert if (NOT MSVC) 2035fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert list(APPEND LIBCXXABI_CXX_FEATURE_FLAGS -D_DEBUG) 2045fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert endif() 2055fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert # On Release builds cmake automatically defines NDEBUG, so we 2065fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert # explicitly undefine it: 2075fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert if (uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE") 2085fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert list(APPEND LIBCXXABI_CXX_FEATURE_FLAGS -UNDEBUG) 2095fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert endif() 2105fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertelse() 2115fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert if (NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "RELEASE") 2125fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert list(APPEND LIBCXXABI_CXX_FEATURE_FLAGS -DNDEBUG) 2135fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert endif() 2145fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertendif() 2155fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert# Static library 2165fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertif (NOT LIBCXXABI_ENABLE_SHARED) 2175fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert list(APPEND LIBCXXABI_CXX_FEATURE_FLAGS -D_LIBCPP_BUILD_STATIC) 2185fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertendif() 2195fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert 2205fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert# This is the _ONLY_ place where add_definitions is called. 2215fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertif (MSVC) 2225fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert add_definitions(-D_CRT_SECURE_NO_WARNINGS) 2235fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertendif() 2245fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert 2255fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertstring(REPLACE ";" " " LIBCXXABI_CXX_REQUIRED_FLAGS "${LIBCXXABI_CXX_REQUIRED_FLAGS}") 2265fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertset(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${LIBCXXABI_CXX_REQUIRED_FLAGS}") 2275fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert 2285fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertstring(REPLACE ";" " " LIBCXXABI_CXX_WARNING_FLAGS "${LIBCXXABI_CXX_WARNING_FLAGS}") 2295fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertset(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${LIBCXXABI_CXX_WARNING_FLAGS}") 2305fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert 2315fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertstring(REPLACE ";" " " LIBCXXABI_CXX_FEATURE_FLAGS "${LIBCXXABI_CXX_FEATURE_FLAGS}") 2325fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertset(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${LIBCXXABI_CXX_FEATURE_FLAGS}") 2335fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert 2345fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert#=============================================================================== 2355fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert# Setup Source Code 2365fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert#=============================================================================== 2375fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert 2385fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertinclude_directories(include) 2395fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert 2405fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert# Add source code. This also contains all of the logic for deciding linker flags 2415fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert# soname, etc... 2425fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertadd_subdirectory(src) 2435fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert 2445fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertif (LIBCXXABI_USE_LLVM_UNWINDER) 2455fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert add_subdirectory(src/Unwind) 2465fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertendif() 2475fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert 2485fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertif(NOT LIBCXXABI_ENABLE_SHARED) 2495fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert # TODO: Fix the libc++ cmake files so that libc++abi can be statically linked. 2505fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert # As it is now, libc++ will prefer linking against a dynamic libc++abi in the 2515fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert # system library paths over a static libc++abi in the out directory. This 2525fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert # would test the system library rather than the one we just built, which isn't 2535fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert # very helpful. 2545fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert message(WARNING "The libc++abi tests are currently only valid when " 2555fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert "LIBCXXABI_ENABLE_SHARED is on, no check target will be " 2565fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert "available!") 2575fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertelse() 2585fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albert add_subdirectory(test) 2595fcb7c5bdd98aab09c6a462ca69e61d8e9f42104Dan Albertendif() 260