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Improved cmake : autodetect available OS X SDK

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This commit is contained in:
Marco Antognini 2011-09-03 15:44:16 +02:00
parent b834787946
commit 95a0126371
1 changed files with 31 additions and 20 deletions
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49
CMakeLists.txt
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@ -32,11 +32,6 @@ set(BUILD_DOC FALSE CACHE BOOL "TRUE to generate the API documentation, FALSE to
# Mac OS X specific options
if(MACOSX)
if(MACOSX_VERSION GREATER 5)
# add an option to build against 10.5 SDK if current OS X version is greater than 10.5
set(BUILD_LEOPARD FALSE CACHE BOOL "TRUE to build SFML for OS X 10.5, FALSE to compile with default SDK")
endif()
# 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")
@ -78,23 +73,39 @@ set(CMAKE_SKIP_BUILD_RPATH TRUE)
# Setup Mac OS X stuff
if(MACOSX)
# multi arch support
# multi arch support - by default : i386 and x86_64
if(NOT CMAKE_OSX_ARCHITECTURES)
# Default : i386 and x86_64
set(CMAKE_OSX_ARCHITECTURES "i386;x86_64")
else()
# We got some conflict with custom user settings ; let him know his on his own.
message("CMAKE_OSX_ARCHITECTURES is not empty.")
message("You're on your own : I won't change your settings.")
set(CMAKE_OSX_ARCHITECTURES "i386;x86_64" CACHE STRING "Build architectures for OSX" FORCE)
endif()
# multi SDK support
if(BUILD_LEOPARD)
# Use 10.5 SDK : override default value
set(CMAKE_OSX_SYSROOT "/Developer/SDKs/MacOSX10.5.sdk")
set(CMAKE_OSX_DEPLOYMENT_TARGET "10.5")
else()
# Default SDK, let either the user or CMake decide which one to use.
# 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(EXISTS /Developer/SDKs/MacOSX10.5.sdk)
# target 10.5 system
set(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."
FORCE)
set(CMAKE_OSX_DEPLOYMENT_TARGET "10.5"
CACHE STRING "Minimum OS X version to target for deployment (at runtime); ewer APIs weak linked."
FORCE)
elseif(EXISTS /Developer/SDKs/MacOSX10.6.sdk)
# target 10.6 system
set(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."
FORCE)
set(CMAKE_OSX_DEPLOYMENT_TARGET "10.6"
CACHE STRING "Minimum OS X version to target for deployment (at runtime); newer APIs weak linked."
FORCE)
else()
# use default SDK.
endif()
# note : we use OSX_CONFIG_HAS_BEEN_RUN_BEFORE to be able to let the user set his/her custom settings
# so we don't always have to FORCE the value of CMAKE_OSX_DEPLOYMENT_TARGET and CMAKE_OSX_SYSROOT
set(OSX_CONFIG_HAS_BEEN_RUN_BEFORE TRUE
CACHE BOOL "Don't edit this value; you should instead empty your cache."
FORCE)
mark_as_advanced(OSX_CONFIG_HAS_BEEN_RUN_BEFORE)
endif()
# BUILD_FRAMEWORKS needs two things :