| # sdl2 cmake project-config input for ./configure scripts |
| |
| set(prefix "@prefix@") |
| set(exec_prefix "@exec_prefix@") |
| set(libdir "@libdir@") |
| set(includedir "@includedir@") |
| set(SDL2_PREFIX "${prefix}") |
| set(SDL2_EXEC_PREFIX "${exec_prefix}") |
| set(SDL2_LIBDIR "${libdir}") |
| set(SDL2_INCLUDE_DIRS "${includedir}/SDL2") |
| set(SDL2_LIBRARIES "-L${SDL2_LIBDIR} @SDL_RLD_FLAGS@ @SDL_LIBS@") |
| string(STRIP "${SDL2_LIBRARIES}" SDL2_LIBRARIES) |
| |
| if(NOT TARGET SDL2::SDL2) |
| # provide SDL2::SDL2, SDL2::SDL2main and SDL2::SDL2-static targets, like SDL2Config.cmake does, for compatibility |
| |
| # Remove -lSDL2 as that is handled by CMake, note the space at the end so it does not replace e.g. -lSDL2main |
| # This may require "libdir" beeing set (from above) |
| string(REPLACE "-lSDL2 " "" SDL2_EXTRA_LINK_FLAGS "@SDL_RLD_FLAGS@ @SDL_LIBS@ ") |
| # also get rid of -lSDL2main, if you want to link against that use both SDL2::SDL2main and SDL2::SDL2 (in that order) |
| # (SDL2Config.cmake has the same behavior) |
| string(REPLACE "-lSDL2main" "" SDL2_EXTRA_LINK_FLAGS ${SDL2_EXTRA_LINK_FLAGS}) |
| string(STRIP "${SDL2_EXTRA_LINK_FLAGS}" SDL2_EXTRA_LINK_FLAGS) |
| string(REPLACE "-lSDL2 " "" SDL2_EXTRA_LINK_FLAGS_STATIC "@SDL_STATIC_LIBS@ ") |
| string(STRIP "${SDL2_EXTRA_LINK_FLAGS_STATIC}" SDL2_EXTRA_LINK_FLAGS_STATIC) |
| |
| if(WIN32 AND NOT MSVC) |
| # MINGW needs very special handling, because the link order must be exactly -lmingw32 -lSDL2main -lSDL2 |
| # for it to work at all (and -mwindows somewhere); a normal SHARED IMPORTED or STATIC IMPORTED library always puts itself first |
| # so handle this like a header-only lib and put everything in INTERFACE_LINK_LIBRARIES |
| |
| add_library(SDL2::SDL2 INTERFACE IMPORTED) |
| set_target_properties(SDL2::SDL2 PROPERTIES |
| INTERFACE_INCLUDE_DIRECTORIES "${SDL2_INCLUDE_DIRS}" |
| INTERFACE_LINK_LIBRARIES "-L${SDL2_LIBDIR} -lSDL2") |
| |
| add_library(SDL2::SDL2main INTERFACE IMPORTED) |
| set_target_properties(SDL2::SDL2main PROPERTIES |
| INTERFACE_LINK_LIBRARIES "-L${SDL2_LIBDIR} -lmingw32 -lSDL2main -mwindows") |
| |
| else() # (not WIN32) or MSVC |
| |
| add_library(SDL2::SDL2 SHARED IMPORTED) |
| set_target_properties(SDL2::SDL2 PROPERTIES |
| INTERFACE_INCLUDE_DIRECTORIES "${SDL2_INCLUDE_DIRS}" |
| IMPORTED_LINK_INTERFACE_LANGUAGES "C" |
| IMPORTED_LOCATION "${SDL2_LIBDIR}/${CMAKE_SHARED_LIBRARY_PREFIX}SDL2${CMAKE_SHARED_LIBRARY_SUFFIX}") |
| |
| if(MSVC) |
| # This file is generated when building SDL2 with autotools and MinGW, and MinGW/dlltool |
| # isn't able to generate .lib files that are usable by recent MSVC versions |
| # (something about "module unsafe for SAFESEH"; SAFESEH is enabled by default in MSVC). |
| # The .lib file for SDL2.dll *could* be generated with `gendef SDL2.dll` and then |
| # `lib.exe /machine:x86 /def:SDL2.def /out:SDL2.lib` (or /machine:amd64) |
| # but that requires lib.exe from a Visual Studio installation - and that still doesn't |
| # give you a static SDL2main.lib with SAFESEH support that you'll need (unless you don't use SDL2main) |
| # Note that when building SDL2 with CMake and MSVC, the result works with both MinGW and MSVC. |
| |
| message(FATAL_ERROR, "This build of libSDL2 only supports MinGW, not MSVC (Visual C++), because it lacks .lib files!") |
| # MSVC needs SDL2.lib set as IMPORTED_IMPLIB to link against (comment out message() call above if you added SDL2.lib yourself) |
| set_target_properties(SDL2::SDL2 PROPERTIES IMPORTED_IMPLIB "${SDL2_LIBDIR}/SDL2.lib") |
| else() |
| # this mustn't be set for MSVC, so do it here in an extra call here |
| set_target_properties(SDL2::SDL2 PROPERTIES INTERFACE_LINK_LIBRARIES "${SDL2_EXTRA_LINK_FLAGS}") |
| endif() |
| |
| add_library(SDL2::SDL2main STATIC IMPORTED) |
| set_target_properties(SDL2::SDL2main PROPERTIES |
| IMPORTED_LINK_INTERFACE_LANGUAGES "C" |
| IMPORTED_LOCATION "${SDL2_LIBDIR}/${CMAKE_STATIC_LIBRARY_PREFIX}SDL2main${CMAKE_STATIC_LIBRARY_SUFFIX}") |
| |
| endif() # (not WIN32) or MSVC |
| |
| add_library(SDL2::SDL2-static STATIC IMPORTED) |
| set_target_properties(SDL2::SDL2-static PROPERTIES |
| INTERFACE_INCLUDE_DIRECTORIES "${SDL2_INCLUDE_DIRS}" |
| IMPORTED_LINK_INTERFACE_LANGUAGES "C" |
| IMPORTED_LOCATION "${SDL2_LIBDIR}/${CMAKE_STATIC_LIBRARY_PREFIX}SDL2${CMAKE_STATIC_LIBRARY_SUFFIX}" |
| INTERFACE_LINK_LIBRARIES "${SDL2_EXTRA_LINK_FLAGS_STATIC}") |
| |
| endif() # NOT TARGET SDL2::SDL2 |