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65 lines
1.9 KiB
65 lines
1.9 KiB
# - Try to find png |
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# You can set PNG_ROOT to specify a certain directory to look in first. |
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# Once done this will define |
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# PNG_FOUND - System has png |
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# PNG_INCLUDE_DIRS - The png include directories |
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# PNG_LIBRARIES - The libraries needed to use png |
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# Unless we are unable to find ZLIB |
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# It also adds an imported target named `3ds::png`, Linking against it is |
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# equivalent to: |
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# target_link_libraries(mytarget ${PNG_LIBRARIES}) |
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# target_include_directories(mytarget PRIVATE ${PNG_INCLUDE_DIRS}) |
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if(NOT NINTENDO_3DS) |
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message(FATAL_ERROR "This module can only be used if you are using the 3DS toolchain file. Please erase this build directory or create another one, and then use -DCMAKE_TOOLCHAIN_FILE=DevkitArm3DS.cmake when calling cmake for the 1st time. For more information, see the Readme.md for more information.") |
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endif() |
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if(PNG_INCLUDE_DIR) |
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# Already in cache, be silent |
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set(PNG_FIND_QUIETLY TRUE) |
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endif(PNG_INCLUDE_DIR) |
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include(LibFindMacros) |
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include(try_add_imported_target) |
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libfind_package(PNG ZLIB) |
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set(_PNG_SEARCHES) |
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# Search PNG_ROOT first if it is set. |
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if(PNG_ROOT) |
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set(_PNG_SEARCH_ROOT |
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PATHS ${PNG_ROOT} |
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NO_DEFAULT_PATH |
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NO_CMAKE_FIND_ROOT_PATH) |
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list(APPEND _PNG_SEARCHES _PNG_SEARCH_ROOT) |
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endif() |
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# Search below ${DEVKITPRO}, ${DEVKITARM}, portlibs (if enabled) etc. |
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set(_PNG_SEARCH_NORMAL |
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PATHS / |
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NO_DEFAULT_PATH |
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ONLY_CMAKE_FIND_ROOT_PATH) |
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list(APPEND _PNG_SEARCHES _PNG_SEARCH_NORMAL) |
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foreach(search ${_PNG_SEARCHES}) |
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find_path(PNG_INCLUDE_DIR NAMES png.h |
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${${search}} |
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PATH_SUFFIXES include) |
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find_library(PNG_LIBRARY NAMES png libpng.a |
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${${search}} |
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PATH_SUFFIXES lib) |
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endforeach() |
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#find_library(LIBM_LIBRARY NAMES m libm.a |
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# PATHS / /arm-none-eabi |
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# PATH_SUFFIXES lib/armv6k/fpu) |
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set(LIBM_LIBRARY m) |
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set(PNG_PROCESS_INCLUDES PNG_INCLUDE_DIR) |
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set(PNG_PROCESS_LIBS PNG_LIBRARY LIBM_LIBRARY) |
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libfind_process(PNG) |
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try_add_imported_target(PNG m 3ds::zlib)
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