metaforce/extern/libpng/CMakeLists.txt

76 lines
2.4 KiB
CMake

if (APPLE)
if (NOT PNG_DIR)
# hint at macports libpng (build with +universal)
set(PNG_DIR /opt/local/lib)
endif ()
list(LENGTH CMAKE_OSX_ARCHITECTURES num_archs)
if (num_archs GREATER 1)
# disable default search paths so we don't use homebrew's non-universal libpng
set(PNG_SEARCH NO_DEFAULT_PATHS NO_CMAKE_FIND_ROOT_PATH NO_CMAKE_SYSTEM_PATH)
endif ()
# only consider static libs
find_library(PNG_LIB NAMES libpng.a HINTS ${PNG_DIR} ${PNG_SEARCH})
if (PNG_LIB)
find_path(PNG_INCLUDE_DIR png.h HINTS "${PNG_LIB}/../../include" NO_DEFAULT_PATHS NO_CMAKE_FIND_ROOT_PATH NO_CMAKE_SYSTEM_PATH)
add_library(png STATIC IMPORTED GLOBAL)
set_target_properties(png PROPERTIES IMPORTED_LOCATION ${PNG_LIB})
target_include_directories(png INTERFACE ${PNG_INCLUDE_DIR})
target_link_libraries(png INTERFACE ${ZLIB_LIBRARIES})
set(PNG_LIBRARIES png CACHE PATH "PNG libraries" FORCE)
message(STATUS "Using static libpng at ${PNG_LIB}, include: ${PNG_INCLUDE_DIR}")
set(PNG_FOUND YES)
endif ()
else ()
find_package(PNG)
if (PNG_FOUND)
set_target_properties(PNG::PNG PROPERTIES IMPORTED_GLOBAL TRUE)
set(PNG_LIBRARIES PNG::PNG CACHE STRING "PNG libraries" FORCE)
endif ()
endif ()
if (NOT PNG_FOUND)
message(STATUS "Using built-in libpng")
if ("${CMAKE_SYSTEM_PROCESSOR}" MATCHES "arm(64)?" OR (APPLE AND "arm64" IN_LIST CMAKE_OSX_ARCHITECTURES))
list(APPEND INTRINSICS
arm/arm_init.c
arm/filter_neon.S
arm/filter_neon_intrinsics.c
arm/palette_neon_intrinsics.c)
endif ()
if ("${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "x86_64" OR (APPLE AND "x86_64" IN_LIST CMAKE_OSX_ARCHITECTURES))
list(APPEND INTRINSICS
intel/filter_sse2_intrinsics.c
intel/intel_init.c)
endif ()
add_library(png
png.h
pngconf.h
pngdebug.h
pnginfo.h
pngpriv.h
pngstruct.h
pnglibconf.h
png.c
pngerror.c
pngget.c
pngmem.c
pngpread.c
pngread.c
pngrio.c
pngrtran.c
pngrutil.c
pngset.c
pngtrans.c
pngwio.c
pngwrite.c
pngwtran.c
pngwutil.c
${INTRINSICS})
if (APPLE)
target_compile_options(png PRIVATE -Wno-implicit-fallthrough)
endif ()
target_link_libraries(png PUBLIC ${ZLIB_LIBRARIES})
target_include_directories(png INTERFACE ${CMAKE_CURRENT_SOURCE_DIR})
set(PNG_LIBRARIES png CACHE PATH "PNG libraries" FORCE)
endif ()