forked from mirror/openmw-tes3mp
Rewrites FindSDL2 using LibFindMacros
This commit is contained in:
Roman Proskuryakov
parent
3df57b1833
commit
ed2c2170f0
1 changed files with 56 additions and 123 deletions
|
|
@ -1,16 +1,20 @@
|
|||
# Locate SDL2 library
|
||||
# This module defines
|
||||
# SDL2_LIBRARY, the name of the library to link against
|
||||
# SDL2_LIBRARY, the SDL2 library, with no other libraries
|
||||
# SDL2_LIBRARIES, the SDL library and required components with compiler flags
|
||||
# SDL2_FOUND, if false, do not try to link to SDL2
|
||||
# SDL2_INCLUDE_DIR, where to find SDL.h
|
||||
# SDL2_VERSION, the version of the found library
|
||||
#
|
||||
# This module accepts the following env variables
|
||||
# SDL2DIR - Can be set to ./configure --prefix=$SDL2DIR used in building SDL2. l.e.galup 9-20-02
|
||||
# This module responds to the the flag:
|
||||
# SDL2_BUILDING_LIBRARY
|
||||
# If this is defined, then no SDL2_main will be linked in because
|
||||
# only applications need main().
|
||||
# Otherwise, it is assumed you are building an application and this
|
||||
# module will attempt to locate and set the the proper link flags
|
||||
# as part of the returned SDL2_LIBRARY variable.
|
||||
# as part of the returned SDL2_LIBRARIES variable.
|
||||
#
|
||||
# Don't forget to include SDL2main.h and SDL2main.m your project for the
|
||||
# OS X framework based version. (Other versions link to -lSDL2main which
|
||||
|
|
@ -18,20 +22,6 @@
|
|||
# module will automatically add the -framework Cocoa on your behalf.
|
||||
#
|
||||
#
|
||||
# Additional Note: If you see an empty SDL2_LIBRARY_TEMP in your configuration
|
||||
# and no SDL2_LIBRARY, it means CMake did not find your SDL2 library
|
||||
# (SDL2.dll, libsdl2.so, SDL2.framework, etc).
|
||||
# Set SDL2_LIBRARY_TEMP to point to your SDL2 library, and configure again.
|
||||
# Similarly, if you see an empty SDL2MAIN_LIBRARY, you should set this value
|
||||
# as appropriate. These values are used to generate the final SDL2_LIBRARY
|
||||
# variable, but when these values are unset, SDL2_LIBRARY does not get created.
|
||||
#
|
||||
#
|
||||
# $SDL2DIR is an environment variable that would
|
||||
# correspond to the ./configure --prefix=$SDL2DIR
|
||||
# used in building SDL2.
|
||||
# l.e.galup 9-20-02
|
||||
#
|
||||
# Modified by Eric Wing.
|
||||
# Added code to assist with automated building by using environmental variables
|
||||
# and providing a more controlled/consistent search behavior.
|
||||
|
|
@ -71,126 +61,69 @@
|
|||
# License text for the above reference.)
|
||||
|
||||
|
||||
FIND_PATH(SDL2_INCLUDE_DIR SDL.h
|
||||
HINTS
|
||||
$ENV{SDL2DIR}
|
||||
PATH_SUFFIXES include/SDL2 include
|
||||
PATHS
|
||||
~/Library/Frameworks
|
||||
/Library/Frameworks
|
||||
/usr/local/include/SDL2
|
||||
/usr/include/SDL2
|
||||
/sw # Fink
|
||||
/opt/local # DarwinPorts
|
||||
/opt/csw # Blastwave
|
||||
/opt
|
||||
if (CMAKE_SIZEOF_VOID_P EQUAL 8)
|
||||
set(_sdl_lib_suffix lib/x64)
|
||||
else()
|
||||
set(_sdl_lib_suffix lib/x86)
|
||||
endif()
|
||||
|
||||
libfind_pkg_detect(SDL2 sdl2
|
||||
FIND_PATH SDL.h
|
||||
HINTS $ENV{SDL2DIR}
|
||||
PATH_SUFFIXES include SDL2
|
||||
FIND_LIBRARY SDL2
|
||||
HINTS $ENV{SDL2DIR}
|
||||
PATH_SUFFIXES ${_sdl_lib_suffix}
|
||||
)
|
||||
#MESSAGE("SDL2_INCLUDE_DIR is ${SDL2_INCLUDE_DIR}")
|
||||
libfind_version_n_header(SDL2 NAMES SDL_version.h DEFINES SDL_MAJOR_VERSION SDL_MINOR_VERSION SDL_PATCHLEVEL)
|
||||
|
||||
FIND_LIBRARY(SDL2_LIBRARY_PATH
|
||||
NAMES SDL2
|
||||
HINTS
|
||||
$ENV{SDL2DIR}
|
||||
PATH_SUFFIXES lib64 lib
|
||||
PATHS
|
||||
/sw
|
||||
/opt/local
|
||||
/opt/csw
|
||||
/opt
|
||||
)
|
||||
|
||||
set(SDL2_LIBRARY_ONLY ${SDL2_LIBRARY_PATH} CACHE STRING "The SDL2 library, with no other libraries.")
|
||||
set(SDL2_LIBRARY_TEMP ${SDL2_LIBRARY_PATH})
|
||||
|
||||
#MESSAGE("SDL2_LIBRARY_TEMP is ${SDL2_LIBRARY_TEMP}")
|
||||
|
||||
IF(NOT SDL2_BUILDING_LIBRARY)
|
||||
IF(NOT ${SDL2_INCLUDE_DIR} MATCHES ".framework")
|
||||
IF(NOT SDL2_BUILDING_LIBRARY AND NOT APPLE)
|
||||
# Non-OS X framework versions expect you to also dynamically link to
|
||||
# SDL2main. This is mainly for Windows and OS X. Other (Unix) platforms
|
||||
# seem to provide SDL2main for compatibility even though they don't
|
||||
# necessarily need it.
|
||||
FIND_LIBRARY(SDL2MAIN_LIBRARY
|
||||
NAMES SDL2main
|
||||
HINTS
|
||||
$ENV{SDL2DIR}
|
||||
PATH_SUFFIXES lib64 lib
|
||||
PATHS
|
||||
/sw
|
||||
/opt/local
|
||||
/opt/csw
|
||||
/opt
|
||||
libfind_pkg_detect(SDL2MAIN sdl2
|
||||
FIND_LIBRARY SDL2main
|
||||
HINTS $ENV{SDL2DIR}
|
||||
PATH_SUFFIXES ${_sdl_lib_suffix}
|
||||
)
|
||||
ENDIF(NOT ${SDL2_INCLUDE_DIR} MATCHES ".framework")
|
||||
ENDIF(NOT SDL2_BUILDING_LIBRARY)
|
||||
set(SDL2MAIN_FIND_QUIETLY TRUE)
|
||||
libfind_process(SDL2MAIN)
|
||||
list(APPEND SDL2_PROCESS_LIBS SDL2MAIN_LIBRARY)
|
||||
ENDIF()
|
||||
|
||||
# SDL2 may require threads on your system.
|
||||
# The Apple build may not need an explicit flag because one of the
|
||||
# frameworks may already provide it.
|
||||
# But for non-OSX systems, I will use the CMake Threads package.
|
||||
IF(NOT APPLE)
|
||||
FIND_PACKAGE(Threads)
|
||||
ENDIF(NOT APPLE)
|
||||
|
||||
set(SDL2_TARGET_SPECIFIC)
|
||||
|
||||
if (APPLE)
|
||||
# For OS X, SDL2 uses Cocoa as a backend so it must link to Cocoa.
|
||||
list(APPEND SDL2_TARGET_SPECIFIC "-framework Cocoa")
|
||||
else()
|
||||
# SDL2 may require threads on your system.
|
||||
# The Apple build may not need an explicit flag because one of the
|
||||
# frameworks may already provide it.
|
||||
# But for non-OSX systems, I will use the CMake Threads package.
|
||||
libfind_package(SDL2 Threads)
|
||||
list(APPEND SDL2_TARGET_SPECIFIC ${CMAKE_THREAD_LIBS_INIT})
|
||||
endif()
|
||||
|
||||
# MinGW needs an additional library, mwindows
|
||||
# It's total link flags should look like -lmingw32 -lSDL2main -lSDL2 -lmwindows
|
||||
# (Actually on second look, I think it only needs one of the m* libraries.)
|
||||
IF(MINGW)
|
||||
SET(MINGW32_LIBRARY mingw32 CACHE STRING "mwindows for MinGW")
|
||||
ENDIF(MINGW)
|
||||
if(MINGW)
|
||||
list(APPEND SDL2_TARGET_SPECIFIC mingw32)
|
||||
endif()
|
||||
|
||||
SET(SDL2_FOUND "NO")
|
||||
IF(SDL2_LIBRARY_TEMP)
|
||||
# For SDL2main
|
||||
IF(NOT SDL2_BUILDING_LIBRARY)
|
||||
IF(SDL2MAIN_LIBRARY)
|
||||
SET(SDL2_LIBRARY_TEMP ${SDL2MAIN_LIBRARY} ${SDL2_LIBRARY_TEMP})
|
||||
ENDIF(SDL2MAIN_LIBRARY)
|
||||
ENDIF(NOT SDL2_BUILDING_LIBRARY)
|
||||
if(WIN32)
|
||||
list(APPEND SDL2_TARGET_SPECIFIC winmm imm32 version msimg32)
|
||||
endif()
|
||||
|
||||
# For OS X, SDL2 uses Cocoa as a backend so it must link to Cocoa.
|
||||
# CMake doesn't display the -framework Cocoa string in the UI even
|
||||
# though it actually is there if I modify a pre-used variable.
|
||||
# I think it has something to do with the CACHE STRING.
|
||||
# So I use a temporary variable until the end so I can set the
|
||||
# "real" variable in one-shot.
|
||||
IF(APPLE)
|
||||
SET(SDL2_LIBRARY_TEMP ${SDL2_LIBRARY_TEMP} "-framework Cocoa")
|
||||
ENDIF(APPLE)
|
||||
set(SDL2_PROCESS_LIBS SDL2_TARGET_SPECIFIC)
|
||||
|
||||
# For threads, as mentioned Apple doesn't need this.
|
||||
# In fact, there seems to be a problem if I used the Threads package
|
||||
# and try using this line, so I'm just skipping it entirely for OS X.
|
||||
IF(NOT APPLE)
|
||||
SET(SDL2_LIBRARY_TEMP ${SDL2_LIBRARY_TEMP} ${CMAKE_THREAD_LIBS_INIT})
|
||||
ENDIF(NOT APPLE)
|
||||
libfind_process(SDL2)
|
||||
|
||||
# For MinGW library
|
||||
IF(MINGW)
|
||||
SET(SDL2_LIBRARY_TEMP ${MINGW32_LIBRARY} ${SDL2_LIBRARY_TEMP})
|
||||
ENDIF(MINGW)
|
||||
|
||||
IF(WIN32)
|
||||
SET(SDL2_LIBRARY_TEMP winmm imm32 version msimg32 ${SDL2_LIBRARY_TEMP})
|
||||
ENDIF(WIN32)
|
||||
|
||||
# Set the final string here so the GUI reflects the final state.
|
||||
SET(SDL2_LIBRARY ${SDL2_LIBRARY_TEMP} CACHE STRING "Where the SDL2 Library can be found")
|
||||
# Set the temp variable to INTERNAL so it is not seen in the CMake GUI
|
||||
SET(SDL2_LIBRARY_TEMP "${SDL2_LIBRARY_TEMP}" CACHE INTERNAL "")
|
||||
|
||||
SET(SDL2_FOUND "YES")
|
||||
ENDIF(SDL2_LIBRARY_TEMP)
|
||||
|
||||
INCLUDE(FindPackageHandleStandardArgs)
|
||||
|
||||
FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDL2
|
||||
REQUIRED_VARS SDL2_LIBRARY SDL2_INCLUDE_DIR)
|
||||
|
||||
IF(SDL2_STATIC)
|
||||
if (UNIX AND NOT APPLE)
|
||||
EXECUTE_PROCESS(COMMAND sdl2-config --static-libs OUTPUT_VARIABLE SDL2_LINK_FLAGS)
|
||||
STRING(REGEX REPLACE "(\r?\n)+$" "" SDL2_LINK_FLAGS "${SDL2_LINK_FLAGS}")
|
||||
SET(SDL2_LIBRARY ${SDL2_LINK_FLAGS})
|
||||
ENDIF()
|
||||
ENDIF(SDL2_STATIC)
|
||||
if (SDL2_STATIC AND UNIX AND NOT APPLE)
|
||||
execute_process(COMMAND sdl2-config --static-libs OUTPUT_VARIABLE SDL2_STATIC_FLAGS)
|
||||
string(REGEX REPLACE "(\r?\n)+$" "" SDL2_STATIC_FLAGS "${SDL2_STATIC_FLAGS}")
|
||||
set(SDL2_LIBRARIES ${SDL2_STATIC_FLAGS})
|
||||
endif()
|
||||
|
|
|
|||
Loading…
Reference in a new issue