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Improved the definition of options in CMake files, they can now be overriden by a parent CMakeLists.txt

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This commit is contained in:
Laurent Gomila 2012-01-01 22:50:44 +01:00
parent c0af511ed1
commit 9d0a0fe3f2
1 changed files with 27 additions and 27 deletions
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54
CMakeLists.txt
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@ -1,11 +1,17 @@
cmake_minimum_required(VERSION 2.8) cmake_minimum_required(VERSION 2.8)
# define a macro that helps defining an option
macro(sfml_set_option var default type docstring)
if(NOT ${var})
set(${var} ${default})
endif()
set(${var} ${${var}} CACHE ${type} ${docstring} FORCE)
endmacro()
# set a default build type if none was provided # set a default build type if none was provided
# this has to be done before the project() instruction! # this has to be done before the project() instruction!
if(NOT CMAKE_BUILD_TYPE) sfml_set_option(CMAKE_BUILD_TYPE Release STRING "Choose the type of build (Debug or Release)")
set(CMAKE_BUILD_TYPE Release CACHE STRING "Choose the type of build (Debug or Release)" FORCE)
endif()
# project name # project name
project(SFML) project(SFML)
@ -22,24 +28,24 @@ set(VERSION_PATCH 0)
include_directories(${CMAKE_CURRENT_SOURCE_DIR}/include) include_directories(${CMAKE_CURRENT_SOURCE_DIR}/include)
# add an option for choosing the build type (shared or static) # add an option for choosing the build type (shared or static)
set(BUILD_SHARED_LIBS TRUE CACHE BOOL "TRUE to build SFML as shared libraries, FALSE to build it as static libraries") sfml_set_option(BUILD_SHARED_LIBS TRUE BOOL "TRUE to build SFML as shared libraries, FALSE to build it as static libraries")
# add an option for building the examples # add an option for building the examples
set(BUILD_EXAMPLES FALSE CACHE BOOL "TRUE to build the SFML examples, FALSE to ignore them") sfml_set_option(BUILD_EXAMPLES FALSE BOOL "TRUE to build the SFML examples, FALSE to ignore them")
# add an option for building the API documentation # add an option for building the API documentation
set(BUILD_DOC FALSE CACHE BOOL "TRUE to generate the API documentation, FALSE to ignore it") sfml_set_option(BUILD_DOC FALSE BOOL "TRUE to generate the API documentation, FALSE to ignore it")
# Mac OS X specific options # Mac OS X specific options
if(MACOSX) if(MACOSX)
# add an option to build frameworks instead of dylibs (release only) # add an option to build frameworks instead of dylibs (release only)
set(BUILD_FRAMEWORKS FALSE CACHE BOOL "TRUE to build SFML as frameworks libraries (release only), FALSE to build according to BUILD_SHARED_LIBS") sfml_set_option(BUILD_FRAMEWORKS FALSE BOOL "TRUE to build SFML as frameworks libraries (release only), FALSE to build according to BUILD_SHARED_LIBS")
# add an option to let the user specify a custom directory for frameworks installation (SFML, sndfile, ...) # add an option to let the user specify a custom directory for frameworks installation (SFML, sndfile, ...)
set(CMAKE_INSTALL_FRAMEWORK_PREFIX "/Library/Frameworks" CACHE STRING "Frameworks installation directory") sfml_set_option(CMAKE_INSTALL_FRAMEWORK_PREFIX "/Library/Frameworks" STRING "Frameworks installation directory")
# add an option to automatically install Xcode 4 templates # add an option to automatically install Xcode 4 templates
set(INSTALL_XCODE4_TEMPLATES FALSE CACHE BOOL "TRUE to automatically install the Xcode 4 templates, FALSE to do nothing about it") sfml_set_option(INSTALL_XCODE4_TEMPLATES FALSE BOOL "TRUE to automatically install the Xcode 4 templates, FALSE to do nothing about it")
endif() endif()
# define SFML_STATIC if the build type is not set to 'shared' # define SFML_STATIC if the build type is not set to 'shared'
@ -54,7 +60,7 @@ endif()
# define an option for choosing between static and dynamic C runtime (Windows only) # define an option for choosing between static and dynamic C runtime (Windows only)
if(WINDOWS) if(WINDOWS)
set(STATIC_STD_LIBS FALSE CACHE BOOL "TRUE to statically link to the standard libraries, FALSE to use them as DLLs") sfml_set_option(STATIC_STD_LIBS FALSE BOOL "TRUE to statically link to the standard libraries, FALSE to use them as DLLs")
# for VC++, we can apply it globally by modifying the compiler flags # for VC++, we can apply it globally by modifying the compiler flags
if(COMPILER_MSVC AND STATIC_STD_LIBS) if(COMPILER_MSVC AND STATIC_STD_LIBS)
@ -74,28 +80,22 @@ set(CMAKE_SKIP_BUILD_RPATH TRUE)
# Setup Mac OS X stuff # Setup Mac OS X stuff
if(MACOSX) if(MACOSX)
# multi arch support - by default : i386 and x86_64 # multi arch support - by default : i386 and x86_64
if(NOT CMAKE_OSX_ARCHITECTURES) sfml_set_option(CMAKE_OSX_ARCHITECTURES "i386;x86_64" STRING "Build architectures for OSX")
set(CMAKE_OSX_ARCHITECTURES "i386;x86_64" CACHE STRING "Build architectures for OSX" FORCE)
endif()
# multi SDK support - by default we choose the older SDK available starting by 10.5 SDK # multi SDK support - by default we choose the older SDK available starting by 10.5 SDK
if(NOT OSX_CONFIG_HAS_BEEN_RUN_BEFORE) if(NOT OSX_CONFIG_HAS_BEEN_RUN_BEFORE)
if(EXISTS /Developer/SDKs/MacOSX10.5.sdk) if(EXISTS /Developer/SDKs/MacOSX10.5.sdk)
# target 10.5 system # target 10.5 system
set(CMAKE_OSX_SYSROOT "/Developer/SDKs/MacOSX10.5.sdk" sfml_set_option(CMAKE_OSX_SYSROOT "/Developer/SDKs/MacOSX10.5.sdk"
CACHE STRING "The product will be built against the headers and libraries located inside the indicated SDK. Set to empty string for default value." STRING "The product will be built against the headers and libraries located inside the indicated SDK. Set to empty string for default value.")
FORCE) sfml_set_option(CMAKE_OSX_DEPLOYMENT_TARGET "10.5"
set(CMAKE_OSX_DEPLOYMENT_TARGET "10.5" STRING "Minimum OS X version to target for deployment (at runtime); ewer APIs weak linked.")
CACHE STRING "Minimum OS X version to target for deployment (at runtime); ewer APIs weak linked."
FORCE)
elseif(EXISTS /Developer/SDKs/MacOSX10.6.sdk) elseif(EXISTS /Developer/SDKs/MacOSX10.6.sdk)
# target 10.6 system # target 10.6 system
set(CMAKE_OSX_SYSROOT "/Developer/SDKs/MacOSX10.6.sdk" sfml_set_option(CMAKE_OSX_SYSROOT "/Developer/SDKs/MacOSX10.6.sdk"
CACHE STRING "The product will be built against the headers and libraries located inside the indicated SDK. Set to empty string for default value." STRING "The product will be built against the headers and libraries located inside the indicated SDK. Set to empty string for default value.")
FORCE) sfml_set_option(CMAKE_OSX_DEPLOYMENT_TARGET "10.6"
set(CMAKE_OSX_DEPLOYMENT_TARGET "10.6" STRING "Minimum OS X version to target for deployment (at runtime); newer APIs weak linked.")
CACHE STRING "Minimum OS X version to target for deployment (at runtime); newer APIs weak linked."
FORCE)
else() else()
# use default SDK. # use default SDK.
endif() endif()
@ -115,13 +115,13 @@ if(MACOSX)
if(BUILD_FRAMEWORKS) if(BUILD_FRAMEWORKS)
# requirement #1 # requirement #1
if(NOT CMAKE_BUILD_TYPE STREQUAL "Release") if(NOT CMAKE_BUILD_TYPE STREQUAL "Release")
message(WARNING "CMAKE_BUILD_TYPE should be \"Release\" when BUILD_FRAMEWORKS is TRUE") message(FATAL_ERROR "CMAKE_BUILD_TYPE should be \"Release\" when BUILD_FRAMEWORKS is TRUE")
return() return()
endif() endif()
# requirement #2 # requirement #2
if(NOT BUILD_SHARED_LIBS) if(NOT BUILD_SHARED_LIBS)
message(WARNING "BUILD_SHARED_LIBS should be TRUE when BUILD_FRAMEWORKS is TRUE") message(FATAL_ERROR "BUILD_SHARED_LIBS should be TRUE when BUILD_FRAMEWORKS is TRUE")
return() return()
endif() endif()
endif() endif()