1 add_definitions(-DBUILDING_WITH_CMAKE=1)
2 add_definitions(-DHAVE_CONFIG_H=1)
4 # CODE_GENERATOR_PREPROCESSOR_WITH_LINEMARKERS only matters with GCC >= 4.7.0. Since this
5 # version, -P does not output empty lines, which currently breaks make_names.pl in
6 # WebCore. Investigating whether make_names.pl should be changed instead is left as an exercise to
9 # FIXME: Some codegenerators don't support paths with spaces. So use the executable name only.
10 get_filename_component(CODE_GENERATOR_PREPROCESSOR_EXECUTABLE ${CMAKE_CXX_COMPILER} NAME)
11 set(CODE_GENERATOR_PREPROCESSOR "${CODE_GENERATOR_PREPROCESSOR_EXECUTABLE} /nologo /EP")
12 set(CODE_GENERATOR_PREPROCESSOR_WITH_LINEMARKERS "${CODE_GENERATOR_PREPROCESSOR}")
14 set(CODE_GENERATOR_PREPROCESSOR "${CMAKE_CXX_COMPILER} -E -P -x c++")
15 set(CODE_GENERATOR_PREPROCESSOR_WITH_LINEMARKERS "${CMAKE_CXX_COMPILER} -E -x c++")
18 if (${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
19 set(CMAKE_CXX_ARCHIVE_CREATE "<CMAKE_AR> cruT <TARGET> <LINK_FLAGS> <OBJECTS>")
20 set(CMAKE_C_ARCHIVE_CREATE "<CMAKE_AR> cruT <TARGET> <LINK_FLAGS> <OBJECTS>")
21 set(CMAKE_CXX_ARCHIVE_APPEND "<CMAKE_AR> ruT <TARGET> <LINK_FLAGS> <OBJECTS>")
22 set(CMAKE_C_ARCHIVE_APPEND "<CMAKE_AR> ruT <TARGET> <LINK_FLAGS> <OBJECTS>")
25 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
27 if (CMAKE_COMPILER_IS_GNUCXX OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
28 set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -fno-exceptions -fno-strict-aliasing")
29 set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -fno-exceptions -fno-strict-aliasing -fno-rtti")
30 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
33 # Detect Cortex-A53 core if CPU is ARM64 and OS is Linux.
34 # Query /proc/cpuinfo for each available core and check reported CPU part number: 0xd03 signals Cortex-A53.
35 # (see Main ID Register in ARM Cortex-A53 MPCore Processor Technical Reference Manual)
36 set(WTF_CPU_ARM64_CORTEXA53_INITIALVALUE OFF)
37 if (WTF_CPU_ARM64 AND (${CMAKE_SYSTEM_NAME} STREQUAL "Linux"))
38 execute_process(COMMAND nproc OUTPUT_VARIABLE PROC_COUNT)
39 math(EXPR PROC_MAX ${PROC_COUNT}-1)
40 foreach (PROC_ID RANGE ${PROC_MAX})
41 execute_process(COMMAND taskset -c ${PROC_ID} grep "^CPU part" /proc/cpuinfo OUTPUT_VARIABLE PROC_PART)
42 if (PROC_PART MATCHES "0xd03")
43 set(WTF_CPU_ARM64_CORTEXA53_INITIALVALUE ON)
48 option(WTF_CPU_ARM64_CORTEXA53 "Enable Cortex-A53-specific code paths" ${WTF_CPU_ARM64_CORTEXA53_INITIALVALUE})
50 if (WTF_CPU_ARM64_CORTEXA53)
51 if (NOT WTF_CPU_ARM64)
52 message(FATAL_ERROR "WTF_CPU_ARM64_CORTEXA53 set without WTF_CPU_ARM64")
54 include(TestCXXAcceptsFlag)
55 CHECK_CXX_ACCEPTS_FLAG(-mfix-cortex-a53-835769 CXX_ACCEPTS_MFIX_CORTEX_A53_835769)
56 if (CXX_ACCEPTS_MFIX_CORTEX_A53_835769)
57 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfix-cortex-a53-835769")
58 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfix-cortex-a53-835769")
59 message(STATUS "Enabling Cortex-A53 workaround for compiler")
63 option(DEBUG_FISSION "Use Debug Fission support")
65 execute_process(COMMAND ${CMAKE_C_COMPILER} -fuse-ld=gold -Wl,--version ERROR_QUIET OUTPUT_VARIABLE LD_VERSION)
66 if (NOT "${LD_VERSION}" MATCHES "GNU gold")
67 message(FATAL_ERROR "Need GNU gold linker for Debug Fission support")
69 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -gsplit-dwarf -fuse-ld=gold")
70 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -gsplit-dwarf -fuse-ld=gold")
71 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--gdb-index")
72 set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--gdb-index")
75 if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
76 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Qunused-arguments")
77 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Qunused-arguments")
80 string(TOLOWER ${CMAKE_HOST_SYSTEM_PROCESSOR} LOWERCASE_CMAKE_HOST_SYSTEM_PROCESSOR)
81 if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU" AND "${LOWERCASE_CMAKE_HOST_SYSTEM_PROCESSOR}" MATCHES "(i[3-6]86|x86)")
82 # To avoid out of memory when building with debug option in 32bit system.
83 # See https://bugs.webkit.org/show_bug.cgi?id=77327
84 set(CMAKE_SHARED_LINKER_FLAGS_DEBUG "-Wl,--no-keep-memory ${CMAKE_SHARED_LINKER_FLAGS_DEBUG}")
87 if (UNIX AND NOT APPLE)
88 set(CMAKE_SHARED_LINKER_FLAGS "-Wl,--no-undefined ${CMAKE_SHARED_LINKER_FLAGS}")
91 # GTK uses the GNU installation directories as defaults.
92 if (NOT PORT STREQUAL "GTK")
93 set(LIB_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}/lib" CACHE PATH "Absolute path to library installation directory")
94 set(EXEC_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}/bin" CACHE PATH "Absolute path to executable installation directory")
95 set(LIBEXEC_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}/bin" CACHE PATH "Absolute path to install executables executed by the library")
98 # The Ninja generator does not yet know how to build archives in pieces, and so response
99 # files must be used to deal with very long linker command lines.
100 # See https://bugs.webkit.org/show_bug.cgi?id=129771
101 set(CMAKE_NINJA_FORCE_RESPONSE_FILE 1)