cef/cmake/cef_variables.cmake.in

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# Copyright (c) 2016 The Chromium Embedded Framework Authors. All rights
# reserved. Use of this source code is governed by a BSD-style license that
# can be found in the LICENSE file.
# Must be loaded via FindCEF.cmake.
if(NOT DEFINED _CEF_ROOT_EXPLICIT)
message(FATAL_ERROR "Use find_package(CEF) to load this file.")
endif()
#
# Shared configuration.
#
# Determine the platform.
if("${CMAKE_SYSTEM_NAME}" STREQUAL "Darwin")
set(OS_MACOSX 1)
set(OS_POSIX 1)
elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
set(OS_LINUX 1)
set(OS_POSIX 1)
elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Windows")
set(OS_WINDOWS 1)
endif()
# Determine the project architecture.
if(NOT DEFINED PROJECT_ARCH)
if(CMAKE_SIZEOF_VOID_P MATCHES 8)
set(PROJECT_ARCH "x86_64")
else()
set(PROJECT_ARCH "x86")
endif()
if(OS_MACOSX)
# PROJECT_ARCH should be specified on Mac OS X.
message(WARNING "No PROJECT_ARCH value specified, using ${PROJECT_ARCH}")
endif()
endif()
if(${CMAKE_GENERATOR} STREQUAL "Ninja")
set(GEN_NINJA 1)
elseif(${CMAKE_GENERATOR} STREQUAL "Unix Makefiles")
set(GEN_MAKEFILES 1)
endif()
# Determine the build type.
if(NOT CMAKE_BUILD_TYPE AND (GEN_NINJA OR GEN_MAKEFILES))
# CMAKE_BUILD_TYPE should be specified when using Ninja or Unix Makefiles.
set(CMAKE_BUILD_TYPE Release)
message(WARNING "No CMAKE_BUILD_TYPE value selected, using ${CMAKE_BUILD_TYPE}")
endif()
# Path to the include directory.
set(CEF_INCLUDE_PATH "${_CEF_ROOT}")
# Path to the libcef_dll_wrapper target.
set(CEF_LIBCEF_DLL_WRAPPER_PATH "${_CEF_ROOT}/libcef_dll")
# Shared compiler/linker flags.
list(APPEND CEF_COMPILER_DEFINES
# Allow C++ programs to use stdint.h macros specified in the C99 standard that aren't
# in the C++ standard (e.g. UINT8_MAX, INT64_MIN, etc)
__STDC_CONSTANT_MACROS __STDC_FORMAT_MACROS
)
# Configure use of the sandbox.
option(USE_SANDBOX "Enable or disable use of the sandbox." ON)
#
# Linux configuration.
#
if(OS_LINUX)
# Platform-specific compiler/linker flags.
set(CEF_LIBTYPE SHARED)
list(APPEND CEF_COMPILER_FLAGS
-fno-strict-aliasing # Avoid assumptions regarding non-aliasing of objects of different types
-fPIC # Generate position-independent code for shared libraries
-fstack-protector # Protect some vulnerable functions from stack-smashing (security feature)
-funwind-tables # Support stack unwinding for backtrace()
-fvisibility=hidden # Give hidden visibility to declarations that are not explicitly marked as visible
--param=ssp-buffer-size=4 # Set the minimum buffer size protected by SSP (security feature, related to stack-protector)
-pipe # Use pipes rather than temporary files for communication between build stages
-pthread # Use the pthread library
-Wall # Enable all warnings
-Werror # Treat warnings as errors
-Wno-missing-field-initializers # Don't warn about missing field initializers
-Wno-unused-parameter # Don't warn about unused parameters
-Wno-error=comment # Don't warn about code in comments
-Wno-comment # Don't warn about code in comments
)
list(APPEND CEF_C_COMPILER_FLAGS
-std=c99 # Use the C99 language standard
)
list(APPEND CEF_CXX_COMPILER_FLAGS
-fno-exceptions # Disable exceptions
-fno-rtti # Disable real-time type information
-fno-threadsafe-statics # Don't generate thread-safe statics
-fvisibility-inlines-hidden # Give hidden visibility to inlined class member functions
-std=gnu++11 # Use the C++11 language standard including GNU extensions
-Wsign-compare # Warn about mixed signed/unsigned type comparisons
)
list(APPEND CEF_COMPILER_FLAGS_DEBUG
-O0 # Disable optimizations
-g # Generate debug information
)
list(APPEND CEF_COMPILER_FLAGS_RELEASE
-O2 # Optimize for maximum speed
-fdata-sections # Enable linker optimizations to improve locality of reference for data sections
-ffunction-sections # Enable linker optimizations to improve locality of reference for function sections
-fno-ident # Ignore the #ident directive
-U_FORTIFY_SOURCE # Undefine _FORTIFY_SOURCE in case it was previously defined
-D_FORTIFY_SOURCE=2 # Add memory and string function protection (security feature, related to stack-protector)
)
list(APPEND CEF_LINKER_FLAGS
-fPIC # Generate position-independent code for shared libraries
-pthread # Use the pthread library
-Wl,--disable-new-dtags # Don't generate new-style dynamic tags in ELF
-Wl,--fatal-warnings # Treat warnings as errors
-Wl,-rpath,. # Set rpath so that libraries can be placed next to the executable
-Wl,-z,noexecstack # Mark the stack as non-executable (security feature)
-Wl,-z,now # Resolve symbols on program start instead of on first use (security feature)
-Wl,-z,relro # Mark relocation sections as read-only (security feature)
)
list(APPEND CEF_LINKER_FLAGS_RELEASE
-Wl,-O1 # Enable linker optimizations
-Wl,--as-needed # Only link libraries that export symbols used by the binary
-Wl,--gc-sections # Remove unused code resulting from -fdata-sections and -function-sections
)
list(APPEND CEF_COMPILER_DEFINES
_FILE_OFFSET_BITS=64 # Allow the Large File Support (LFS) interface to replace the old interface
)
list(APPEND CEF_COMPILER_DEFINES_RELEASE
NDEBUG # Not a debug build
)
include(CheckCCompilerFlag)
include(CheckCXXCompilerFlag)
CHECK_C_COMPILER_FLAG(-Wno-unused-local-typedefs COMPILER_SUPPORTS_NO_UNUSED_LOCAL_TYPEDEFS)
if(COMPILER_SUPPORTS_NO_UNUSED_LOCAL_TYPEDEFS)
list(APPEND CEF_C_COMPILER_FLAGS
-Wno-unused-local-typedefs # Don't warn about unused local typedefs
)
endif()
CHECK_CXX_COMPILER_FLAG(-Wno-literal-suffix COMPILER_SUPPORTS_NO_LITERAL_SUFFIX)
if(COMPILER_SUPPORTS_NO_LITERAL_SUFFIX)
list(APPEND CEF_CXX_COMPILER_FLAGS
-Wno-literal-suffix # Don't warn about invalid suffixes on literals
)
endif()
CHECK_CXX_COMPILER_FLAG(-Wno-narrowing COMPILER_SUPPORTS_NO_NARROWING)
if(COMPILER_SUPPORTS_NO_NARROWING)
list(APPEND CEF_CXX_COMPILER_FLAGS
-Wno-narrowing # Don't warn about type narrowing
)
endif()
if(PROJECT_ARCH STREQUAL "x86_64")
# 64-bit architecture.
list(APPEND CEF_COMPILER_FLAGS
-m64
-march=x86-64
)
list(APPEND CEF_LINKER_FLAGS
-m64
)
elseif(PROJECT_ARCH STREQUAL "x86")
# 32-bit architecture.
list(APPEND CEF_COMPILER_FLAGS
-msse2
-mfpmath=sse
-mmmx
-m32
)
list(APPEND CEF_LINKER_FLAGS
-m32
)
endif()
# Standard libraries.
set(CEF_STANDARD_LIBS
X11
)
# CEF directory paths.
set(CEF_RESOURCE_DIR "${_CEF_ROOT}/Resources")
set(CEF_BINARY_DIR "${_CEF_ROOT}/${CMAKE_BUILD_TYPE}")
set(CEF_BINARY_DIR_DEBUG "${_CEF_ROOT}/Debug")
set(CEF_BINARY_DIR_RELEASE "${_CEF_ROOT}/Release")
# CEF library paths.
set(CEF_LIB_DEBUG "${CEF_BINARY_DIR_DEBUG}/libcef.so")
set(CEF_LIB_RELEASE "${CEF_BINARY_DIR_RELEASE}/libcef.so")
# List of CEF binary files.
set(CEF_BINARY_FILES
chrome-sandbox
libcef.so
libEGL.so
libGLESv2.so
natives_blob.bin
snapshot_blob.bin
v8_context_snapshot.bin
swiftshader
)
# List of CEF resource files.
set(CEF_RESOURCE_FILES
cef.pak
cef_100_percent.pak
cef_200_percent.pak
cef_extensions.pak
devtools_resources.pak
icudtl.dat
locales
)
if(USE_SANDBOX)
list(APPEND CEF_COMPILER_DEFINES
CEF_USE_SANDBOX # Used by apps to test if the sandbox is enabled
)
endif()
endif()
#
# Mac OS X configuration.
#
if(OS_MACOSX)
# Platform-specific compiler/linker flags.
# See also Xcode target properties in cef_macros.cmake.
set(CEF_LIBTYPE SHARED)
list(APPEND CEF_COMPILER_FLAGS
-fno-strict-aliasing # Avoid assumptions regarding non-aliasing of objects of different types
-fstack-protector # Protect some vulnerable functions from stack-smashing (security feature)
-funwind-tables # Support stack unwinding for backtrace()
-fvisibility=hidden # Give hidden visibility to declarations that are not explicitly marked as visible
-Wall # Enable all warnings
-Werror # Treat warnings as errors
-Wextra # Enable additional warnings
-Wendif-labels # Warn whenever an #else or an #endif is followed by text
-Wnewline-eof # Warn about no newline at end of file
-Wno-missing-field-initializers # Don't warn about missing field initializers
-Wno-unused-parameter # Don't warn about unused parameters
)
list(APPEND CEF_C_COMPILER_FLAGS
-std=c99 # Use the C99 language standard
)
list(APPEND CEF_CXX_COMPILER_FLAGS
-fno-exceptions # Disable exceptions
-fno-rtti # Disable real-time type information
-fno-threadsafe-statics # Don't generate thread-safe statics
-fobjc-call-cxx-cdtors # Call the constructor/destructor of C++ instance variables in ObjC objects
-fvisibility-inlines-hidden # Give hidden visibility to inlined class member functions
-std=gnu++11 # Use the C++11 language standard including GNU extensions
-Wno-narrowing # Don't warn about type narrowing
-Wsign-compare # Warn about mixed signed/unsigned type comparisons
)
list(APPEND CEF_COMPILER_FLAGS_DEBUG
-O0 # Disable optimizations
-g # Generate debug information
)
list(APPEND CEF_COMPILER_FLAGS_RELEASE
-O3 # Optimize for maximum speed plus a few extras
)
list(APPEND CEF_LINKER_FLAGS
-Wl,-search_paths_first # Search for static or shared library versions in the same pass
-Wl,-ObjC # Support creation of ObjC static libraries
-Wl,-pie # Generate position-independent code suitable for executables only
)
list(APPEND CEF_LINKER_FLAGS_RELEASE
-Wl,-dead_strip # Strip dead code
)
include(CheckCXXCompilerFlag)
CHECK_CXX_COMPILER_FLAG(-Wno-undefined-var-template COMPILER_SUPPORTS_NO_UNDEFINED_VAR_TEMPLATE)
if(COMPILER_SUPPORTS_NO_UNDEFINED_VAR_TEMPLATE)
list(APPEND CEF_CXX_COMPILER_FLAGS
-Wno-undefined-var-template # Don't warn about potentially uninstantiated static members
)
endif()
# Standard libraries.
set(CEF_STANDARD_LIBS
-lpthread
"-framework Cocoa"
"-framework AppKit"
)
# Find the newest available base SDK.
execute_process(COMMAND xcode-select --print-path OUTPUT_VARIABLE XCODE_PATH OUTPUT_STRIP_TRAILING_WHITESPACE)
foreach(OS_VERSION 10.11 10.10 10.9)
set(SDK "${XCODE_PATH}/Platforms/MacOSX.platform/Developer/SDKs/MacOSX${OS_VERSION}.sdk")
if(NOT "${CMAKE_OSX_SYSROOT}" AND EXISTS "${SDK}" AND IS_DIRECTORY "${SDK}")
set(CMAKE_OSX_SYSROOT ${SDK})
endif()
endforeach()
# Target SDK.
set(CEF_TARGET_SDK "10.9")
list(APPEND CEF_COMPILER_FLAGS
-mmacosx-version-min=${CEF_TARGET_SDK}
)
set(CMAKE_OSX_DEPLOYMENT_TARGET ${CEF_TARGET_SDK})
# Target architecture.
if(PROJECT_ARCH STREQUAL "x86_64")
set(CMAKE_OSX_ARCHITECTURES "x86_64")
else()
set(CMAKE_OSX_ARCHITECTURES "i386")
endif()
# CEF directory paths.
set(CEF_BINARY_DIR "${_CEF_ROOT}/$<CONFIGURATION>")
set(CEF_BINARY_DIR_DEBUG "${_CEF_ROOT}/Debug")
set(CEF_BINARY_DIR_RELEASE "${_CEF_ROOT}/Release")
if(USE_SANDBOX)
list(APPEND CEF_COMPILER_DEFINES
CEF_USE_SANDBOX # Used by apps to test if the sandbox is enabled
)
# CEF sandbox library paths.
set(CEF_SANDBOX_LIB_DEBUG "${CEF_BINARY_DIR_DEBUG}/cef_sandbox.a")
set(CEF_SANDBOX_LIB_RELEASE "${CEF_BINARY_DIR_RELEASE}/cef_sandbox.a")
endif()
endif()
#
# Windows configuration.
#
if(OS_WINDOWS)
if (GEN_NINJA)
# When using the Ninja generator clear the CMake defaults to avoid excessive
# console warnings (see issue #2120).
set(CMAKE_CXX_FLAGS "")
set(CMAKE_CXX_FLAGS_DEBUG "")
set(CMAKE_CXX_FLAGS_RELEASE "")
endif()
2017-11-01 21:24:16 +01:00
if(USE_SANDBOX)
# Check if the current MSVC version is compatible with the cef_sandbox.lib
# static library. For a list of all version numbers see
# https://en.wikipedia.org/wiki/Microsoft_Visual_C%2B%2B#Internal_version_numbering
2017-11-01 21:24:16 +01:00
list(APPEND supported_msvc_versions
1900 # VS2015 and updates 1, 2, & 3
1910 # VS2017 version 15.1 & 15.2
1911 # VS2017 version 15.3 & 15.4
1912 # VS2017 version 15.5
1913 # VS2017 version 15.6
1914 # VS2017 version 15.7
1915 # VS2017 version 15.8
2017-11-01 21:24:16 +01:00
)
list(FIND supported_msvc_versions ${MSVC_VERSION} _index)
if (${_index} EQUAL -1)
message(WARNING "CEF sandbox is not compatible with the current MSVC version (${MSVC_VERSION})")
set(USE_SANDBOX OFF)
endif()
endif()
# Consumers who run into LNK4099 warnings can pass /Z7 instead (see issue #385).
set(CEF_DEBUG_INFO_FLAG "/Zi" CACHE STRING "Optional flag specifying specific /Z flag to use")
# Consumers using different runtime types may want to pass different flags
set(CEF_RUNTIME_LIBRARY_FLAG "/MT" CACHE STRING "Optional flag specifying which runtime to use")
if (CEF_RUNTIME_LIBRARY_FLAG)
list(APPEND CEF_COMPILER_FLAGS_DEBUG ${CEF_RUNTIME_LIBRARY_FLAG}d)
list(APPEND CEF_COMPILER_FLAGS_RELEASE ${CEF_RUNTIME_LIBRARY_FLAG})
endif()
# Platform-specific compiler/linker flags.
set(CEF_LIBTYPE STATIC)
list(APPEND CEF_COMPILER_FLAGS
/MP # Multiprocess compilation
/Gy # Enable function-level linking
/GR- # Disable run-time type information
/W4 # Warning level 4
/WX # Treat warnings as errors
/wd4100 # Ignore "unreferenced formal parameter" warning
/wd4127 # Ignore "conditional expression is constant" warning
/wd4244 # Ignore "conversion possible loss of data" warning
/wd4481 # Ignore "nonstandard extension used: override" warning
/wd4512 # Ignore "assignment operator could not be generated" warning
/wd4701 # Ignore "potentially uninitialized local variable" warning
/wd4702 # Ignore "unreachable code" warning
/wd4996 # Ignore "function or variable may be unsafe" warning
${CEF_DEBUG_INFO_FLAG}
)
list(APPEND CEF_COMPILER_FLAGS_DEBUG
/RTC1 # Disable optimizations
/Od # Enable basic run-time checks
)
list(APPEND CEF_COMPILER_FLAGS_RELEASE
/O2 # Optimize for maximum speed
/Ob2 # Inline any suitable function
/GF # Enable string pooling
)
list(APPEND CEF_LINKER_FLAGS_DEBUG
/DEBUG # Generate debug information
)
list(APPEND CEF_EXE_LINKER_FLAGS
/MANIFEST:NO # No default manifest (see ADD_WINDOWS_MANIFEST macro usage)
/LARGEADDRESSAWARE # Allow 32-bit processes to access 3GB of RAM
)
list(APPEND CEF_COMPILER_DEFINES
WIN32 _WIN32 _WINDOWS # Windows platform
UNICODE _UNICODE # Unicode build
WINVER=0x0601 _WIN32_WINNT=0x601 # Targeting Windows 7
NOMINMAX # Use the standard's templated min/max
WIN32_LEAN_AND_MEAN # Exclude less common API declarations
_HAS_EXCEPTIONS=0 # Disable exceptions
)
list(APPEND CEF_COMPILER_DEFINES_RELEASE
NDEBUG _NDEBUG # Not a debug build
)
# Standard libraries.
set(CEF_STANDARD_LIBS
comctl32.lib
rpcrt4.lib
shlwapi.lib
ws2_32.lib
)
# CEF directory paths.
set(CEF_RESOURCE_DIR "${_CEF_ROOT}/Resources")
set(CEF_BINARY_DIR "${_CEF_ROOT}/$<CONFIGURATION>")
set(CEF_BINARY_DIR_DEBUG "${_CEF_ROOT}/Debug")
set(CEF_BINARY_DIR_RELEASE "${_CEF_ROOT}/Release")
# CEF library paths.
set(CEF_LIB_DEBUG "${CEF_BINARY_DIR_DEBUG}/libcef.lib")
set(CEF_LIB_RELEASE "${CEF_BINARY_DIR_RELEASE}/libcef.lib")
# List of CEF binary files.
set(CEF_BINARY_FILES
chrome_elf.dll
d3dcompiler_43.dll
d3dcompiler_47.dll
libcef.dll
libEGL.dll
libGLESv2.dll
natives_blob.bin
snapshot_blob.bin
v8_context_snapshot.bin
swiftshader
)
# List of CEF resource files.
set(CEF_RESOURCE_FILES
cef.pak
cef_100_percent.pak
cef_200_percent.pak
cef_extensions.pak
devtools_resources.pak
icudtl.dat
locales
)
if(USE_SANDBOX)
list(APPEND CEF_COMPILER_DEFINES
PSAPI_VERSION=1 # Required by cef_sandbox.lib
CEF_USE_SANDBOX # Used by apps to test if the sandbox is enabled
)
# Libraries required by cef_sandbox.lib.
set(CEF_SANDBOX_STANDARD_LIBS
dbghelp.lib
psapi.lib
version.lib
wbemuuid.lib
winmm.lib
)
# CEF sandbox library paths.
set(CEF_SANDBOX_LIB_DEBUG "${CEF_BINARY_DIR_DEBUG}/cef_sandbox.lib")
set(CEF_SANDBOX_LIB_RELEASE "${CEF_BINARY_DIR_RELEASE}/cef_sandbox.lib")
endif()
# Configure use of ATL.
option(USE_ATL "Enable or disable use of ATL." ON)
if(USE_ATL)
# Locate the atlmfc directory if it exists. It may be at any depth inside
# the VC directory. The cl.exe path returned by CMAKE_CXX_COMPILER may also
# be at different depths depending on the toolchain version
# (e.g. "VC/bin/cl.exe", "VC/bin/amd64_x86/cl.exe",
# "VC/Tools/MSVC/14.10.25017/bin/HostX86/x86/cl.exe", etc).
set(HAS_ATLMFC 0)
get_filename_component(VC_DIR ${CMAKE_CXX_COMPILER} DIRECTORY)
get_filename_component(VC_DIR_NAME ${VC_DIR} NAME)
while(NOT ${VC_DIR_NAME} STREQUAL "VC")
get_filename_component(VC_DIR ${VC_DIR} DIRECTORY)
if(IS_DIRECTORY "${VC_DIR}/atlmfc")
set(HAS_ATLMFC 1)
break()
endif()
get_filename_component(VC_DIR_NAME ${VC_DIR} NAME)
endwhile()
# Determine if the Visual Studio install supports ATL.
if(NOT HAS_ATLMFC)
message(WARNING "ATL is not supported by your VC installation.")
set(USE_ATL OFF)
endif()
endif()
if(USE_ATL)
list(APPEND CEF_COMPILER_DEFINES
CEF_USE_ATL # Used by apps to test if ATL support is enabled
)
endif()
endif()