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59 lines
1.8 KiB
59 lines
1.8 KiB
4 years ago
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# - Try to find zlib
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# You can set ZLIB_ROOT to specify a certain directory to look in first.
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# Once done this will define
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# ZLIB_FOUND - System has zlib
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# ZLIB_INCLUDE_DIRS - The zlib include directories
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# ZLIB_LIBRARIES - The libraries needed to use zlib
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# It also adds an imported target named `3ds::zlib`, Linking against it is
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# equivalent to:
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# target_link_libraries(mytarget ${ZLIB_LIBRARY})
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# target_include_directories(mytarget PRIVATE ${ZLIB_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(ZLIB_INCLUDE_DIR)
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# Already in cache, be silent
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set(ZLIB_FIND_QUIETLY TRUE)
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endif(ZLIB_INCLUDE_DIR)
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include(LibFindMacros)
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include(try_add_imported_target)
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set(_ZLIB_SEARCHES)
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# Search ZLIB_ROOT first if it is set.
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if(ZLIB_ROOT)
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set(_ZLIB_SEARCH_ROOT
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PATHS ${ZLIB_ROOT}
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NO_DEFAULT_PATH
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NO_CMAKE_FIND_ROOT_PATH)
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list(APPEND _ZLIB_SEARCHES _ZLIB_SEARCH_ROOT)
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endif()
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# Search below ${DEVKITPRO}, ${DEVKITARM}, portlibs (if enabled) etc.
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set(_ZLIB_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 _ZLIB_SEARCHES _ZLIB_SEARCH_NORMAL)
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foreach(search ${_ZLIB_SEARCHES})
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find_path(ZLIB_INCLUDE_DIR NAMES zlib.h
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${${search}}
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PATH_SUFFIXES include)
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find_library(ZLIB_LIBRARY NAMES z libz.a
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${${search}}
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PATH_SUFFIXES lib)
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endforeach()
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set(ZLIB_PROCESS_INCLUDES ZLIB_INCLUDE_DIR)
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set(ZLIB_PROCESS_LIBS ZLIB_LIBRARY)
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libfind_process(ZLIB)
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try_add_imported_target(ZLIB)
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4 years ago
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add_library(ZLIB::ZLIB ALIAS 3ds::zlib)
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