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Fix SDL2 CMake module for MinGW builds

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This commit is contained in:
Amine B. Hassouna 2019-02-10 21:22:08 +01:00
parent 63c852d168
commit 48fa6e27bd
1 changed files with 22 additions and 21 deletions
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43
FindSDL2.cmake
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@ -350,16 +350,6 @@ if(SDL2_FOUND)
set_property(TARGET SDL2::Core APPEND PROPERTY
INTERFACE_LINK_LIBRARIES Threads::Threads)
endif()
# MinGW needs an additional link flag, -mwindows
# and link to mingw32
if(MINGW)
set_property(TARGET SDL2::Core APPEND PROPERTY
INTERFACE_LINK_LIBRARIES mingw32)
set_property(TARGET SDL2::Core APPEND PROPERTY
INTERFACE_LINK_OPTIONS "-mwindows")
endif()
endif()
# SDL2::Main target
@ -367,20 +357,31 @@ if(SDL2_FOUND)
# For more details, please see above.
if(NOT SDL2_BUILDING_LIBRARY AND NOT TARGET SDL2::Main)
if(SDL2_INCLUDE_DIR MATCHES ".framework" )
if(SDL2_INCLUDE_DIR MATCHES ".framework" OR NOT SDL2MAIN_LIBRARY)
add_library(SDL2::Main INTERFACE IMPORTED)
elseif(SDL2MAIN_LIBRARY)
add_library(SDL2::Main UNKNOWN IMPORTED)
set_property(TARGET SDL2::Main PROPERTY
IMPORTED_LOCATION "${SDL2MAIN_LIBRARY}")
elseif(UNIX)
add_library(SDL2::Main INTERFACE IMPORTED)
endif()
# Add SDL2::Core as a dependency
if(TARGET SDL2::Main)
set_property(TARGET SDL2::Main PROPERTY
INTERFACE_LINK_LIBRARIES SDL2::Core)
elseif(SDL2MAIN_LIBRARY)
# MinGW requires that the mingw32 library is specified before the
# libSDL2main.a static library when linking.
# The SDL2::MainInternal target is used internally to make sure that
# CMake respects this condition.
add_library(SDL2::MainInternal UNKNOWN IMPORTED)
set_property(TARGET SDL2::MainInternal PROPERTY
IMPORTED_LOCATION "${SDL2MAIN_LIBRARY}")
set_property(TARGET SDL2::MainInternal PROPERTY
INTERFACE_LINK_LIBRARIES SDL2::Core)
add_library(SDL2::Main INTERFACE IMPORTED)
if(MINGW)
# MinGW needs an additional link flag '-mwindows' and link to mingw32
set_property(TARGET SDL2::Main PROPERTY
INTERFACE_LINK_LIBRARIES "mingw32" "-mwindows")
endif()
set_property(TARGET SDL2::Main APPEND PROPERTY
INTERFACE_LINK_LIBRARIES SDL2::MainInternal)
endif()
endif()