177 lines
7.5 KiB
CMake
177 lines
7.5 KiB
CMake
set(CMAKE_CXX_STANDARD 17)
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set(CMAKE_CXX_STANDARD_REQUIRED ON)
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set(CMAKE_CXX_EXTENSIONS OFF)
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add_definitions(-DBUILDING_WITH_CMAKE=1)
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add_definitions(-DHAVE_CONFIG_H=1)
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option(USE_THIN_ARCHIVES "Produce all static libraries as thin archives" ON)
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if (USE_THIN_ARCHIVES)
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execute_process(COMMAND ${CMAKE_AR} -V OUTPUT_VARIABLE AR_VERSION ERROR_VARIABLE AR_ERROR)
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if ("${AR_ERROR}" MATCHES "^usage:")
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# This `ar` doesn't understand "-V". Ignore the error and treat this as
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# an unsupported `ar`. TODO: Determine BSD or Xcode equivalent.
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elseif ("${AR_ERROR}")
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message(WARNING "Error from `ar`: ${AR_ERROR}")
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elseif ("${AR_VERSION}" MATCHES "^GNU ar")
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set(CMAKE_CXX_ARCHIVE_CREATE "<CMAKE_AR> crT <TARGET> <LINK_FLAGS> <OBJECTS>")
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set(CMAKE_C_ARCHIVE_CREATE "<CMAKE_AR> crT <TARGET> <LINK_FLAGS> <OBJECTS>")
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set(CMAKE_CXX_ARCHIVE_APPEND "<CMAKE_AR> rT <TARGET> <LINK_FLAGS> <OBJECTS>")
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set(CMAKE_C_ARCHIVE_APPEND "<CMAKE_AR> rT <TARGET> <LINK_FLAGS> <OBJECTS>")
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endif ()
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endif ()
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set_property(GLOBAL PROPERTY USE_FOLDERS ON)
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define_property(TARGET PROPERTY FOLDER INHERITED BRIEF_DOCS "folder" FULL_DOCS "IDE folder name")
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set(ARM_TRADITIONAL_DETECTED FALSE)
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if (WTF_CPU_ARM)
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set(ARM_THUMB2_TEST_SOURCE
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"
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#if !defined(thumb2) && !defined(__thumb2__)
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#error \"Thumb2 instruction set isn't available\"
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#endif
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int main() {}
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")
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CHECK_CXX_SOURCE_COMPILES("${ARM_THUMB2_TEST_SOURCE}" ARM_THUMB2_DETECTED)
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if (NOT ARM_THUMB2_DETECTED)
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set(ARM_TRADITIONAL_DETECTED TRUE)
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# See https://bugs.webkit.org/show_bug.cgi?id=159880#c4 for details.
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message(STATUS "Disabling GNU gold linker, because it doesn't support ARM instruction set properly.")
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endif ()
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endif ()
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# Use ld.lld when building with LTO
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CMAKE_DEPENDENT_OPTION(USE_LD_LLD "Use LLD linker" ON
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"LTO_MODE;NOT USE_LD_GOLD;NOT WIN32" OFF)
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if (USE_LD_LLD)
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execute_process(COMMAND ${CMAKE_C_COMPILER} -fuse-ld=lld -Wl,--version ERROR_QUIET OUTPUT_VARIABLE LD_VERSION)
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if ("${LD_VERSION}" MATCHES "LLD")
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string(APPEND CMAKE_EXE_LINKER_FLAGS " -fuse-ld=lld -Wl,--disable-new-dtags")
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string(APPEND CMAKE_SHARED_LINKER_FLAGS " -fuse-ld=lld -Wl,--disable-new-dtags")
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string(APPEND CMAKE_MODULE_LINKER_FLAGS " -fuse-ld=lld -Wl,--disable-new-dtags")
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else ()
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set(USE_LD_LLD OFF)
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endif ()
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endif ()
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# Use ld.gold if it is available and isn't disabled explicitly
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CMAKE_DEPENDENT_OPTION(USE_LD_GOLD "Use GNU gold linker" ON
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"NOT CXX_ACCEPTS_MFIX_CORTEX_A53_835769;NOT ARM_TRADITIONAL_DETECTED;NOT WIN32;NOT APPLE;NOT USE_LD_LLD" OFF)
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if (USE_LD_GOLD)
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execute_process(COMMAND ${CMAKE_C_COMPILER} -fuse-ld=gold -Wl,--version ERROR_QUIET OUTPUT_VARIABLE LD_VERSION)
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if ("${LD_VERSION}" MATCHES "GNU gold")
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string(APPEND CMAKE_EXE_LINKER_FLAGS " -fuse-ld=gold -Wl,--disable-new-dtags")
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string(APPEND CMAKE_SHARED_LINKER_FLAGS " -fuse-ld=gold -Wl,--disable-new-dtags")
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string(APPEND CMAKE_MODULE_LINKER_FLAGS " -fuse-ld=gold -Wl,--disable-new-dtags")
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else ()
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message(WARNING "GNU gold linker isn't available, using the default system linker.")
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set(USE_LD_GOLD OFF)
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endif ()
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endif ()
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set(ENABLE_DEBUG_FISSION_DEFAULT OFF)
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if (USE_LD_GOLD AND CMAKE_BUILD_TYPE STREQUAL "Debug")
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check_cxx_compiler_flag(-gsplit-dwarf CXX_COMPILER_SUPPORTS_GSPLIT_DWARF)
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if (CXX_COMPILER_SUPPORTS_GSPLIT_DWARF)
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set(ENABLE_DEBUG_FISSION_DEFAULT ON)
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endif ()
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endif ()
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option(DEBUG_FISSION "Use Debug Fission support" ${ENABLE_DEBUG_FISSION_DEFAULT})
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if (DEBUG_FISSION)
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if (NOT USE_LD_GOLD)
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message(FATAL_ERROR "Need GNU gold linker for Debug Fission support")
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endif ()
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -gsplit-dwarf")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -gsplit-dwarf")
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--gdb-index")
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set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--gdb-index")
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endif ()
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set(GCC_OFFLINEASM_SOURCE_MAP_DEFAULT OFF)
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if (CMAKE_BUILD_TYPE STREQUAL "Debug" OR CMAKE_BUILD_TYPE STREQUAL "RelWithDebInfo")
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set(GCC_OFFLINEASM_SOURCE_MAP_DEFAULT ON)
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endif ()
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option(GCC_OFFLINEASM_SOURCE_MAP
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"Produce debug line information for offlineasm-generated code"
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${GCC_OFFLINEASM_SOURCE_MAP_DEFAULT})
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option(USE_APPLE_ICU "Use Apple's internal ICU" ${APPLE})
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# Enable the usage of OpenMP.
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# - At this moment, OpenMP is only used as an alternative implementation
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# to native threads for the parallelization of the SVG filters.
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if (USE_OPENMP)
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find_package(OpenMP REQUIRED)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
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endif ()
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# GTK and WPE use the GNU installation directories as defaults.
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if (NOT PORT STREQUAL "GTK" AND NOT PORT STREQUAL "WPE")
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IF(HAIKU)
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set(LIB_SUFFIX "/${CMAKE_HAIKU_SECONDARY_ARCH}" CACHE STRING
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"Define suffix of directory name (x86/x86_gcc2)")
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ELSE()
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set(LIB_SUFFIX "" CACHE STRING "Define suffix of directory name (32/64)")
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ENDIF()
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set(LIB_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}/lib${LIB_SUFFIX}" CACHE PATH "Absolute path to library installation directory")
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set(EXEC_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}/bin" CACHE PATH "Absolute path to executable installation directory")
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set(LIBEXEC_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}/bin" CACHE PATH "Absolute path to install executables executed by the library")
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endif ()
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# Check whether features.h header exists.
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# Including glibc's one defines __GLIBC__, that is used in Platform.h
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WEBKIT_CHECK_HAVE_INCLUDE(HAVE_FEATURES_H features.h)
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# Check for headers
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WEBKIT_CHECK_HAVE_INCLUDE(HAVE_ERRNO_H errno.h)
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WEBKIT_CHECK_HAVE_INCLUDE(HAVE_LANGINFO_H langinfo.h)
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WEBKIT_CHECK_HAVE_INCLUDE(HAVE_MMAP sys/mman.h)
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WEBKIT_CHECK_HAVE_INCLUDE(HAVE_PTHREAD_NP_H pthread_np.h)
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WEBKIT_CHECK_HAVE_INCLUDE(HAVE_SYS_PARAM_H sys/param.h)
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WEBKIT_CHECK_HAVE_INCLUDE(HAVE_SYS_TIME_H sys/time.h)
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WEBKIT_CHECK_HAVE_INCLUDE(HAVE_SYS_TIMEB_H sys/timeb.h)
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WEBKIT_CHECK_HAVE_INCLUDE(HAVE_LINUX_MEMFD_H linux/memfd.h)
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# Check for functions
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WEBKIT_CHECK_HAVE_FUNCTION(HAVE_ALIGNED_MALLOC _aligned_malloc)
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WEBKIT_CHECK_HAVE_FUNCTION(HAVE_ISDEBUGGERPRESENT IsDebuggerPresent)
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WEBKIT_CHECK_HAVE_FUNCTION(HAVE_LOCALTIME_R localtime_r)
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WEBKIT_CHECK_HAVE_FUNCTION(HAVE_MALLOC_TRIM malloc_trim)
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WEBKIT_CHECK_HAVE_FUNCTION(HAVE_STRNSTR strnstr)
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WEBKIT_CHECK_HAVE_FUNCTION(HAVE_TIMEGM timegm)
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WEBKIT_CHECK_HAVE_FUNCTION(HAVE_VASPRINTF vasprintf)
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# Check for symbols
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WEBKIT_CHECK_HAVE_SYMBOL(HAVE_REGEX_H regexec regex.h)
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if (NOT (${CMAKE_SYSTEM_NAME} STREQUAL "Darwin"))
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WEBKIT_CHECK_HAVE_SYMBOL(HAVE_PTHREAD_MAIN_NP pthread_main_np pthread_np.h)
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endif ()
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WEBKIT_CHECK_HAVE_SYMBOL(HAVE_TIMINGSAFE_BCMP timingsafe_bcmp string.h)
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# Windows has signal.h but is missing symbols that are used in calls to signal.
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WEBKIT_CHECK_HAVE_SYMBOL(HAVE_SIGNAL_H SIGTRAP signal.h)
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# Check for struct members
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WEBKIT_CHECK_HAVE_STRUCT(HAVE_STAT_BIRTHTIME "struct stat" st_birthtime sys/stat.h)
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WEBKIT_CHECK_HAVE_STRUCT(HAVE_TM_GMTOFF "struct tm" tm_gmtoff time.h)
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WEBKIT_CHECK_HAVE_STRUCT(HAVE_TM_ZONE "struct tm" tm_zone time.h)
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# Check for int types
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check_type_size("__int128_t" INT128_VALUE)
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if (HAVE_INT128_VALUE)
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SET_AND_EXPOSE_TO_BUILD(HAVE_INT128_T INT128_VALUE)
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endif ()
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# Check which filesystem implementation is available if any
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if (STD_FILESYSTEM_IS_AVAILABLE)
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SET_AND_EXPOSE_TO_BUILD(HAVE_STD_FILESYSTEM TRUE)
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elseif (STD_EXPERIMENTAL_FILESYSTEM_IS_AVAILABLE)
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SET_AND_EXPOSE_TO_BUILD(HAVE_STD_EXPERIMENTAL_FILESYSTEM TRUE)
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endif ()
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