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Improvements to CMake configuration for the binary distribution (issue #1404).

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- Linux: Fix unrecognized command line option "-Wno-literal-suffix" error.
- Linux: Fix "_FORTIFY_SOURCE" redefined error.
- Mac: Warn about undefined PROJECT_ARCH value.
- Provide default CMAKE_BUILD_TYPE value when unspecified in combination with Ninja or Unix Makefiles generator.

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@1883 5089003a-bbd8-11dd-ad1f-f1f9622dbc98
This commit is contained in:
Marshall Greenblatt 2014-10-23 15:40:45 +00:00
parent a91de6d6db
commit 728cc7f423
1 changed files with 46 additions and 16 deletions
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62
CMakeLists.txt.in
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@ -132,16 +132,6 @@ project(cef)
# Use folders in the resulting project files.
set_property(GLOBAL PROPERTY OS_FOLDERS ON)
# Determine the project architecture.
# PROJECT_ARCH must be specified via the command-line on Mac OS X.
if(NOT DEFINED PROJECT_ARCH)
if(CMAKE_SIZEOF_VOID_P MATCHES 8)
set(PROJECT_ARCH "x86_64")
else()
set(PROJECT_ARCH "x86")
endif()
endif()
# Determine the platform.
if("${CMAKE_SYSTEM_NAME}" STREQUAL "Darwin")
set(OS_MACOSX 1)
@ -153,6 +143,27 @@ elseif("${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 ${PROJECT_ARCH}")
endif()
endif()
if(NOT CMAKE_BUILD_TYPE AND
(${CMAKE_GENERATOR} STREQUAL "Ninja" OR ${CMAKE_GENERATOR} STREQUAL "Unix 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 ${CMAKE_BUILD_TYPE}")
endif()
# Include cmake macros.
set(CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}")
include("macros")
@ -183,9 +194,8 @@ if(OS_LINUX)
# -Wall = Enable all warnings
# -Werror = Treat warnings as errors
# -Wno-missing-field-initializers = Don't warn about missing field initializers
# -Wno-unused-local-typedefs = Don't warn about unused local typedefs
# -Wno-unused-parameter = Don't warn about unused parameters
set(CEF_COMPILER_FLAGS "-fno-strict-aliasing -fPIC -fstack-protector -funwind-tables -fvisibility=hidden --param=ssp-buffer-size=4 -pipe -pthread -Wall -Werror -Wno-missing-field-initializers -Wno-unused-local-typedefs -Wno-unused-parameter")
set(CEF_COMPILER_FLAGS "-fno-strict-aliasing -fPIC -fstack-protector -funwind-tables -fvisibility=hidden --param=ssp-buffer-size=4 -pipe -pthread -Wall -Werror -Wno-missing-field-initializers -Wno-unused-parameter")
# -std=c99 = Use the C99 language standard
set(CEF_C_COMPILER_FLAGS "-std=c99")
# -fno-exceptions = Disable exceptions
@ -193,10 +203,8 @@ if(OS_LINUX)
# -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
# -Wno-literal-suffix = Don't warn about invalid suffixes on literals
# -Wno-narrowing = Don't warn about type narrowing
# -Wsign-compare = Warn about mixed signed/unsigned type comparisons
set(CEF_CXX_COMPILER_FLAGS "-fno-exceptions -fno-rtti -fno-threadsafe-statics -fvisibility-inlines-hidden -std=gnu++11 -Wno-literal-suffix -Wno-narrowing -Wsign-compare")
set(CEF_CXX_COMPILER_FLAGS "-fno-exceptions -fno-rtti -fno-threadsafe-statics -fvisibility-inlines-hidden -std=gnu++11 -Wsign-compare")
# -O0 = Disable optimizations
# -g = Generate debug information
set(CEF_COMPILER_FLAGS_DEBUG "-O0 -g")
@ -205,8 +213,9 @@ if(OS_LINUX)
# -ffunction-sections = Enable linker optimizations to improve locality of reference for function sections
# -fno-ident = Ignore the #ident directive
# -DNDEBUG = Not a debug build
# -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)
set(CEF_COMPILER_FLAGS_RELEASE "-O2 -fdata-sections -ffunction-sections -fno-ident -DNDEBUG -D_FORTIFY_SOURCE=2")
set(CEF_COMPILER_FLAGS_RELEASE "-O2 -fdata-sections -ffunction-sections -fno-ident -DNDEBUG -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2")
# -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
@ -219,6 +228,27 @@ if(OS_LINUX)
# -Wl,--gc-sections = Remove unused code resulting from -fdata-sections and -function-sections
set(CEF_LINKER_FLAGS_RELEASE "-Wl,-O1 -Wl,--as-needed -Wl,--gc-sections")
include(CheckCCompilerFlag)
include(CheckCXXCompilerFlag)
# -Wno-unused-local-typedefs = Don't warn about unused local typedefs
CHECK_C_COMPILER_FLAG(-Wno-unused-local-typedefs COMPILER_SUPPORTS_NO_UNUSED_LOCAL_TYPEDEFS)
if(COMPILER_SUPPORTS_NO_UNUSED_LOCAL_TYPEDEFS)
set(CEF_C_COMPILER_FLAGS "${CEF_C_COMPILER_FLAGS} -Wno-unused-local-typedefs")
endif()
# -Wno-literal-suffix = Don't warn about invalid suffixes on literals
CHECK_CXX_COMPILER_FLAG(-Wno-literal-suffix COMPILER_SUPPORTS_NO_LITERAL_SUFFIX)
if(COMPILER_SUPPORTS_NO_LITERAL_SUFFIX)
set(CEF_CXX_COMPILER_FLAGS "${CEF_CXX_COMPILER_FLAGS} -Wno-literal-suffix")
endif()
# -Wno-narrowing = Don't warn about type narrowing
CHECK_CXX_COMPILER_FLAG(-Wno-narrowing COMPILER_SUPPORTS_NO_NARROWING)
if(COMPILER_SUPPORTS_NO_NARROWING)
set(CEF_CXX_COMPILER_FLAGS "${CEF_CXX_COMPILER_FLAGS} -Wno-narrowing")
endif()
if(PROJECT_ARCH STREQUAL "x86_64")
# 64-bit architecture.
set(CEF_COMPILER_FLAGS "${CEF_COMPILER_FLAGS} -m64 -march=x86-64")