Remove remaining poisoning code.
[WebKit-https.git] / CMakeLists.txt
index a91f255..31adc44 100644 (file)
-CMAKE_MINIMUM_REQUIRED(VERSION 2.8.3)
-PROJECT(WebKit)
-
-# Set a default build type if and only if user did not define one as command
-# line options and he did not give custom CFLAGS or CXXFLAGS. Otherwise, flags
-# from default build type would overwrite user-defined ones.
-IF (NOT CMAKE_BUILD_TYPE AND NOT CMAKE_C_FLAGS AND NOT CMAKE_CXX_FLAGS)
-    SET(CMAKE_BUILD_TYPE Release)
-ENDIF ()
-
 # -----------------------------------------------------------------------------
-# Default library type
+# Determine CMake version and build type.
 # -----------------------------------------------------------------------------
-SET(ENABLE_WEBCORE ON)
+#
+# NOTE: cmake_minimum_required() and project() *MUST* be the two fist commands
+# used, see https://cmake.org/cmake/help/v3.3/command/project.html -- the
+# latter in particular handles loading a bunch of shared CMake definitions
+# and loading the cross-compilation settings from CMAKE_TOOLCHAIN_FILE.
+#
 
-IF (NOT ENABLE_WEBKIT AND NOT ENABLE_WEBKIT2)
-    SET(ENABLE_WEBKIT ON)
-ENDIF ()
+cmake_minimum_required(VERSION 3.3)
 
-SET(ENABLE_TOOLS ON)
+project(WebKit)
 
-SET(WTF_DIR "${CMAKE_SOURCE_DIR}/Source/WTF")
-SET(JAVASCRIPTCORE_DIR "${CMAKE_SOURCE_DIR}/Source/JavaScriptCore")
-SET(WEBCORE_DIR "${CMAKE_SOURCE_DIR}/Source/WebCore")
-SET(WEBKIT_DIR "${CMAKE_SOURCE_DIR}/Source/WebKit")
-SET(WEBKIT2_DIR "${CMAKE_SOURCE_DIR}/Source/WebKit2")
-SET(THIRDPARTY_DIR "${CMAKE_SOURCE_DIR}/Source/ThirdParty")
+if (NOT CMAKE_BUILD_TYPE)
+    message(WARNING "No CMAKE_BUILD_TYPE value specified, defaulting to RelWithDebInfo.")
+    set(CMAKE_BUILD_TYPE "RelWithDebInfo" CACHE STRING "Choose the type of build." FORCE)
+else ()
+    message(STATUS "The CMake build type is: ${CMAKE_BUILD_TYPE}")
+endif ()
 
-SET(TOOLS_DIR "${CMAKE_SOURCE_DIR}/Tools")
+set(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/Source/cmake")
 
-SET(DERIVED_SOURCES_DIR "${CMAKE_BINARY_DIR}/DerivedSources")
-SET(DERIVED_SOURCES_JAVASCRIPTCORE_DIR "${CMAKE_BINARY_DIR}/DerivedSources/JavaScriptCore")
-SET(DERIVED_SOURCES_WEBCORE_DIR "${CMAKE_BINARY_DIR}/DerivedSources/WebCore")
-SET(DERIVED_SOURCES_WEBKIT_DIR "${CMAKE_BINARY_DIR}/DerivedSources/WebKit")
-SET(DERIVED_SOURCES_WEBKIT2_DIR "${CMAKE_BINARY_DIR}/DerivedSources/WebKit2")
+set(ENABLE_WEBCORE ON)
 
-SET(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/Source/cmake")
+if (NOT DEFINED ENABLE_WEBKIT)
+    set(ENABLE_WEBKIT ON)
+endif ()
 
-INCLUDE(WebKitMacros)
-INCLUDE(WebKitFS)
-INCLUDE(WebKitHelpers)
-INCLUDE(WebKitFeatures)
+if (NOT DEFINED ENABLE_TOOLS AND EXISTS "${CMAKE_SOURCE_DIR}/Tools")
+    set(ENABLE_TOOLS ON)
+endif ()
 
 # -----------------------------------------------------------------------------
 # Determine which port will be built
 # -----------------------------------------------------------------------------
-SET(ALL_PORTS Efl WinCE BlackBerry)
-SET(PORT "NOPORT" CACHE STRING "choose which WebKit port to build (one of ${ALL_PORTS})")
+set(ALL_PORTS
+    AppleWin
+    Efl
+    GTK
+    JSCOnly
+    Mac
+    PlayStation
+    WPE
+    WinCairo
+)
+set(PORT "NOPORT" CACHE STRING "choose which WebKit port to build (one of ${ALL_PORTS})")
 
-LIST(FIND ALL_PORTS ${PORT} RET)
-IF (${RET} EQUAL -1)
-    MESSAGE(FATAL_ERROR "Please choose which WebKit port to build (one of ${ALL_PORTS})")
-ENDIF ()
+list(FIND ALL_PORTS ${PORT} RET)
+if (${RET} EQUAL -1)
+    message(FATAL_ERROR "Please choose which WebKit port to build (one of ${ALL_PORTS})")
+endif ()
 
-STRING(TOLOWER ${PORT} WEBKIT_PORT_DIR)
+string(TOLOWER ${PORT} WEBKIT_PORT_DIR)
 
 # -----------------------------------------------------------------------------
-# Find common packages (used by all ports)
+# Determine the compiler
 # -----------------------------------------------------------------------------
-FIND_PACKAGE(BISON REQUIRED)
-FIND_PACKAGE(FLEX REQUIRED)
-FIND_PACKAGE(Gperf REQUIRED)
-FIND_PACKAGE(Perl REQUIRED)
-FIND_PACKAGE(PythonInterp REQUIRED)
-FIND_PACKAGE(Ruby)
+if (${CMAKE_CXX_COMPILER_ID} STREQUAL "Clang" OR ${CMAKE_CXX_COMPILER_ID} STREQUAL "AppleClang")
+    set(COMPILER_IS_CLANG ON)
+endif ()
+
+if (${CMAKE_CXX_COMPILER_ID} STREQUAL "GNU")
+    if (${CMAKE_CXX_COMPILER_VERSION} VERSION_LESS "6.0.0")
+        message(FATAL_ERROR "GCC 6.0.0 is required to build WebKitGTK+, use a newer GCC version or clang")
+    endif ()
+endif ()
+
+if (CMAKE_COMPILER_IS_GNUCXX OR COMPILER_IS_CLANG)
+    set(COMPILER_IS_GCC_OR_CLANG ON)
+endif ()
+
+if (MSVC AND COMPILER_IS_CLANG)
+    set(COMPILER_IS_CLANG_CL ON)
+endif ()
 
 # -----------------------------------------------------------------------------
 # Determine the target processor
 # -----------------------------------------------------------------------------
-STRING(TOLOWER ${CMAKE_SYSTEM_PROCESSOR} LOWERCASE_CMAKE_SYSTEM_PROCESSOR)
-IF (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "^arm")
-    SET(WTF_CPU_ARM 1)
-ELSEIF (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "^mips")
-    SET(WTF_CPU_MIPS 1)
-ELSEIF (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "(x86_64|amd64)")
-    SET(WTF_CPU_X86_64 1)
-ELSEIF (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "(i[3-6]86|x86)")
-    SET(WTF_CPU_X86 1)
-ELSE ()
-    MESSAGE(FATAL_ERROR "Unknown CPU '${CMAKE_SYSTEM_PROCESSOR}'")
-ENDIF ()
+# Use MSVC_CXX_ARCHITECTURE_ID instead of CMAKE_SYSTEM_PROCESSOR when defined,
+# since the later one just resolves to the host processor on Windows.
+if (MSVC_CXX_ARCHITECTURE_ID)
+    string(TOLOWER ${MSVC_CXX_ARCHITECTURE_ID} LOWERCASE_CMAKE_SYSTEM_PROCESSOR)
+else ()
+    string(TOLOWER ${CMAKE_SYSTEM_PROCESSOR} LOWERCASE_CMAKE_SYSTEM_PROCESSOR)
+endif ()
+if (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "(^aarch64|^arm64)")
+    set(WTF_CPU_ARM64 1)
+elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "^arm")
+    set(WTF_CPU_ARM 1)
+elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "^mips64")
+    set(WTF_CPU_MIPS64 1)
+elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "^mips")
+    set(WTF_CPU_MIPS 1)
+elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "(x64|x86_64|amd64)")
+    set(WTF_CPU_X86_64 1)
+elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "(i[3-6]86|x86)")
+    set(WTF_CPU_X86 1)
+elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "ppc")
+    set(WTF_CPU_PPC 1)
+elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "ppc64")
+    set(WTF_CPU_PPC64 1)
+elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "ppc64le")
+    set(WTF_CPU_PPC64LE 1)
+else ()
+    set(WTF_CPU_UNKNOWN 1)
+endif ()
 
 # -----------------------------------------------------------------------------
 # Determine the operating system
 # -----------------------------------------------------------------------------
-IF (UNIX)
-    IF (APPLE)
-        SET(WTF_OS_MAC_OS_X 1)
-    ELSE ()
-        SET(WTF_OS_UNIX 1)
-    ENDIF ()
-ELSEIF (CMAKE_SYSTEM_NAME MATCHES "Windows")
-    SET(WTF_OS_WINDOWS 1)
-ELSEIF (CMAKE_SYSTEM_NAME MATCHES "QNX")
-    SET(WTF_OS_QNX 1)
-    SET(WTF_OS_UNIX 1)
-ELSE ()
-    MESSAGE(FATAL_ERROR "Unknown OS '${CMAKE_SYSTEM_NAME}'")
-ENDIF ()
-
-# -----------------------------------------------------------------------------
-# Default target names (can be overrriden in Options${PORT}.cmake file)
-# -----------------------------------------------------------------------------
-SET(JSC_EXECUTABLE_NAME JSC)
-SET(WTF_LIBRARY_NAME WTF)
-SET(JavaScriptCore_LIBRARY_NAME JavaScriptCore)
-SET(WebCore_LIBRARY_NAME WebCore)
-SET(WebKit_LIBRARY_NAME WebKit)
-SET(WebKit2_LIBRARY_NAME WebKit2)
-SET(WebCoreTestSupport_LIBRARY_NAME WebCoreTestSupport)
+if (UNIX)
+    if (APPLE)
+        set(WTF_OS_MAC_OS_X 1)
+    elseif (CMAKE_SYSTEM_NAME MATCHES "Linux")
+        set(WTF_OS_LINUX 1)
+    else ()
+        set(WTF_OS_UNIX 1)
+    endif ()
+elseif (CMAKE_SYSTEM_NAME MATCHES "Windows")
+    set(WTF_OS_WINDOWS 1)
+elseif (CMAKE_SYSTEM_NAME MATCHES "Fuchsia")
+    set(WTF_OS_FUCHSIA 1)
+else ()
+    message(FATAL_ERROR "Unknown OS '${CMAKE_SYSTEM_NAME}'")
+endif ()
 
 # -----------------------------------------------------------------------------
 # Default library types
 # -----------------------------------------------------------------------------
-OPTION(SHARED_CORE "build JavaScriptCore and WebCore as shared libraries")
+# By default, only the highest-level libraries, WebKitLegacy and WebKit, are
+# shared, because properly building shared libraries that depend on each other
+# can be tricky. Override these in Options*.cmake for your port as needed.
+set(WTF_LIBRARY_TYPE STATIC)
+set(JavaScriptCore_LIBRARY_TYPE STATIC)
+set(PAL_LIBRARY_TYPE STATIC)
+set(WebCore_LIBRARY_TYPE STATIC)
+set(WebKitLegacy_LIBRARY_TYPE SHARED)
+set(WebKit_LIBRARY_TYPE SHARED)
+set(WebCoreTestSupport_LIBRARY_TYPE STATIC)
 
-IF (SHARED_CORE)
-    SET(JavaScriptCore_LIBRARY_TYPE SHARED)
-    SET(WebCore_LIBRARY_TYPE SHARED)
-ELSE ()
-    SET(JavaScriptCore_LIBRARY_TYPE STATIC)
-    SET(WebCore_LIBRARY_TYPE STATIC)
-ENDIF ()
+set(CMAKE_POSITION_INDEPENDENT_CODE True)
 
-SET(WebKit_LIBRARY_TYPE SHARED)
-SET(WebKit2_LIBRARY_TYPE SHARED)
-SET(WebCoreTestSupport_LIBRARY_TYPE STATIC)
+# -----------------------------------------------------------------------------
+# Install JavaScript shell
+# -----------------------------------------------------------------------------
+option(SHOULD_INSTALL_JS_SHELL "generate an installation rule to install the built JavaScript shell")
 
 # -----------------------------------------------------------------------------
-# Common options
+# Default output directories, which can be overwritten by ports
 #------------------------------------------------------------------------------
-INCLUDE(OptionsCommon)
-SET(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/${LIB_INSTALL_DIR})
-SET(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/${LIB_INSTALL_DIR})
-SET(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/${EXEC_INSTALL_DIR})
+set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
+set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
+set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
 
 # -----------------------------------------------------------------------------
-# Port-specific options
-# -----------------------------------------------------------------------------
-INCLUDE(Options${PORT})
+# Common configuration
+#------------------------------------------------------------------------------
+include(WebKitCommon)
 
 # -----------------------------------------------------------------------------
 # Enable API unit tests and create a target for the test runner
 # -----------------------------------------------------------------------------
-IF (ENABLE_API_TESTS)
-    ENABLE_TESTING()
-ENDIF ()
+if (ENABLE_API_TESTS)
+    enable_testing()
+endif ()
 
 # -----------------------------------------------------------------------------
-# Install JavaScript shell
+# Add module directories
 # -----------------------------------------------------------------------------
-OPTION(SHOULD_INSTALL_JS_SHELL "generate an installation rule to install the built JavaScript shell")
+add_subdirectory(Source)
 
 # -----------------------------------------------------------------------------
-# Define packaging
+# Add tools
 # -----------------------------------------------------------------------------
-INCLUDE(WebKitPackaging)
+if (ENABLE_TOOLS)
+    add_subdirectory(Tools)
+endif ()
 
-# -----------------------------------------------------------------------------
-# Add module directories
-# -----------------------------------------------------------------------------
-ADD_SUBDIRECTORY(Source)
+if ("${PORT}" STREQUAL "GTK" OR "${PORT}" STREQUAL "WPE")
+    if (DEVELOPER_MODE)
+        add_subdirectory(PerformanceTests)
+    endif ()
+else ()
+    add_subdirectory(PerformanceTests)
+endif ()
 
 # -----------------------------------------------------------------------------
-# Add tools
+# Print the features list last, for maximum visibility.
 # -----------------------------------------------------------------------------
-IF (ENABLE_TOOLS)
-    ADD_SUBDIRECTORY(Tools)
-ENDIF ()
-
+PRINT_WEBKIT_OPTIONS()