Loads using loadHTMLString() cause flashing when process-swapping
[WebKit-https.git] / CMakeLists.txt
index 4e52b73..acd77f4 100644 (file)
@@ -1,8 +1,17 @@
 # -----------------------------------------------------------------------------
 # Determine CMake version and build type.
 # -----------------------------------------------------------------------------
+#
+# 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.
+#
+
 cmake_minimum_required(VERSION 3.3)
 
+project(WebKit)
+
 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)
@@ -10,8 +19,6 @@ else ()
     message(STATUS "The CMake build type is: ${CMAKE_BUILD_TYPE}")
 endif ()
 
-project(WebKit)
-
 set(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/Source/cmake")
 
 set(ENABLE_WEBCORE ON)
@@ -33,6 +40,7 @@ set(ALL_PORTS
     GTK
     JSCOnly
     Mac
+    PlayStation
     WPE
     WinCairo
 )
@@ -53,8 +61,8 @@ if (${CMAKE_CXX_COMPILER_ID} STREQUAL "Clang" OR ${CMAKE_CXX_COMPILER_ID} STREQU
 endif ()
 
 if (${CMAKE_CXX_COMPILER_ID} STREQUAL "GNU")
-    if (${CMAKE_CXX_COMPILER_VERSION} VERSION_LESS "5.0.0")
-        message(FATAL_ERROR "GCC 5.0.0 is required to build WebKitGTK+, use a newer GCC version or clang")
+    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 ()
 
@@ -76,18 +84,24 @@ if (MSVC_CXX_ARCHITECTURE_ID)
 else ()
     string(TOLOWER ${CMAKE_SYSTEM_PROCESSOR} LOWERCASE_CMAKE_SYSTEM_PROCESSOR)
 endif ()
-if (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "^arm")
-    set(WTF_CPU_ARM 1)
-elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "^aarch64")
+if (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "(^aarch64|^arm64)")
     set(WTF_CPU_ARM64 1)
-elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "alpha*")
-    set(WTF_CPU_ALPHA 1)
+elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "^arm")
+    set(WTF_CPU_ARM 1)
+elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "^mips64")
+    set(WTF_CPU_MIPS64 1)
 elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "^mips")
     set(WTF_CPU_MIPS 1)
-elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "sh4")
-    set(WTF_CPU_SH4 1)
 elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "(x64|x86_64|amd64)")
-    set(WTF_CPU_X86_64 1)
+    # FORCE_32BIT is set in the build script when --32-bit is passed
+    # on a Linux/intel 64bit host. This allows us to produce 32bit
+    # binaries without setting the build up as a crosscompilation,
+    # which is the only way to modify CMAKE_SYSTEM_PROCESSOR.
+    if (FORCE_32BIT)
+        set(WTF_CPU_X86 1)
+    else ()
+        set(WTF_CPU_X86_64 1)
+    endif ()
 elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "(i[3-6]86|x86)")
     set(WTF_CPU_X86 1)
 elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "ppc")
@@ -96,14 +110,18 @@ elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "ppc64")
     set(WTF_CPU_PPC64 1)
 elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "ppc64le")
     set(WTF_CPU_PPC64LE 1)
-elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "parisc*")
-    set(WTF_CPU_HPPA 1)
-elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "s390")
-    set(WTF_CPU_S390 1)
-elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "s390x")
-    set(WTF_CPU_S390X 1)
 else ()
-    message(FATAL_ERROR "Unknown CPU '${LOWERCASE_CMAKE_SYSTEM_PROCESSOR}'")
+    set(WTF_CPU_UNKNOWN 1)
+endif ()
+
+#---------------------------
+# Make sure SSE2 is present.
+#---------------------------
+if (WTF_CPU_X86)
+    include(FindSSE2)
+    if (NOT SSE2_SUPPORT_FOUND)
+        message(FATAL_ERROR "SSE2 support is required to compile WebKit")
+    endif ()
 endif ()
 
 # -----------------------------------------------------------------------------
@@ -112,11 +130,15 @@ endif ()
 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 ()
@@ -124,17 +146,13 @@ endif ()
 # -----------------------------------------------------------------------------
 # Default library types
 # -----------------------------------------------------------------------------
-option(SHARED_CORE "build WebCore as a shared library")
-
-if (SHARED_CORE)
-    set(WebCore_LIBRARY_TYPE SHARED)
-else ()
-    set(WebCore_LIBRARY_TYPE STATIC)
-endif ()
-
+# 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 SHARED)
+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)