ddnet/cmake/FindSDL2.cmake

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CMake
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if(NOT CMAKE_CROSSCOMPILING)
find_package(PkgConfig QUIET)
pkg_check_modules(PC_SDL2 sdl2)
endif()
set_extra_dirs_lib(SDL2 sdl)
find_library(SDL2_LIBRARY
NAMES SDL2
HINTS ${HINTS_SDL2_LIBDIR} ${PC_SDL2_LIBDIR} ${PC_SDL2_LIBRARY_DIRS}
PATHS ${PATHS_SDL2_LIBDIR}
${CROSSCOMPILING_NO_CMAKE_SYSTEM_PATH}
)
set(CMAKE_FIND_FRAMEWORK FIRST)
set_extra_dirs_include(SDL2 sdl "${SDL2_LIBRARY}")
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# Looking for 'SDL.h' directly might accidentally find a SDL instead of SDL 2
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# installation. Look for a header file only present in SDL 2 instead.
find_path(SDL2_INCLUDEDIR SDL_assert.h
PATH_SUFFIXES SDL2
HINTS ${HINTS_SDL2_INCLUDEDIR} ${PC_SDL2_INCLUDEDIR} ${PC_SDL2_INCLUDE_DIRS}
PATHS ${PATHS_SDL2_INCLUDEDIR}
)
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(SDL2 DEFAULT_MSG SDL2_LIBRARY SDL2_INCLUDEDIR)
mark_as_advanced(SDL2_LIBRARY SDL2_INCLUDEDIR)
if(SDL2_FOUND)
set(SDL2_LIBRARIES ${SDL2_LIBRARY})
set(SDL2_INCLUDE_DIRS ${SDL2_INCLUDEDIR})
is_bundled(SDL2_BUNDLED "${SDL2_LIBRARY}")
if(SDL2_BUNDLED AND TARGET_OS STREQUAL "windows")
set(SDL2_COPY_FILES "${EXTRA_SDL2_LIBDIR}/SDL2.dll")
else()
set(SDL2_COPY_FILES)
endif()
endif()