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84 lines
2.1 KiB
CMake
84 lines
2.1 KiB
CMake
if(NOT PREFER_BUNDLED_LIBS)
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set(CMAKE_MODULE_PATH ${ORIGINAL_CMAKE_MODULE_PATH})
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find_package(ZLIB)
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set(CMAKE_MODULE_PATH ${OWN_CMAKE_MODULE_PATH})
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if(ZLIB_FOUND)
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set(ZLIB_BUNDLED OFF)
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set(ZLIB_DEP)
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endif()
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endif()
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if(CMAKE_SYSTEM_NAME STREQUAL "Emscripten")
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set_extra_dirs_lib(ZLIB zlib)
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find_library(ZLIB_LIBRARY
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NAMES z
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HINTS ${HINTS_ZLIB_LIBDIR} ${PC_ZLIB_LIBDIR} ${PC_ZLIB_LIBRARY_DIRS}
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PATHS ${PATHS_ZLIB_LIBDIR}
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${CROSSCOMPILING_NO_CMAKE_SYSTEM_PATH}
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)
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set_extra_dirs_include(ZLIB zlib "${ZLIB_LIBRARY}")
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find_path(ZLIB_INCLUDEDIR1 zlib.h
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PATH_SUFFIXES zlib
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HINTS ${HINTS_ZLIB_INCLUDEDIR} ${PC_ZLIB_INCLUDEDIR} ${PC_ZLIB_INCLUDE_DIRS}
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PATHS ${PATHS_ZLIB_INCLUDEDIR}
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${CROSSCOMPILING_NO_CMAKE_SYSTEM_PATH}
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)
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find_path(ZLIB_INCLUDEDIR2 zconf.h
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PATH_SUFFIXES zlib
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HINTS ${HINTS_ZLIB_INCLUDEDIR} ${PC_ZLIB_INCLUDEDIR} ${PC_ZLIB_INCLUDE_DIRS}
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PATHS ${PATHS_ZLIB_INCLUDEDIR}
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${CROSSCOMPILING_NO_CMAKE_SYSTEM_PATH}
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)
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if(ZLIB_LIBRARY AND ZLIB_INCLUDEDIR1 AND ZLIB_INCLUDEDIR2)
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set(ZLIB_INCLUDE_DIRS ${ZLIB_INCLUDEDIR1} ${ZLIB_INCLUDEDIR2})
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set(ZLIB_LIBRARIES ${ZLIB_LIBRARY})
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set(ZLIB_FOUND TRUE)
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endif()
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endif()
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if(NOT ZLIB_FOUND)
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set(ZLIB_BUNDLED ON)
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set(ZLIB_SRC_DIR src/engine/external/zlib)
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set_src(ZLIB_SRC GLOB ${ZLIB_SRC_DIR}
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adler32.c
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compress.c
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crc32.c
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crc32.h
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deflate.c
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deflate.h
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gzclose.c
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gzguts.h
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gzlib.c
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gzread.c
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gzwrite.c
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infback.c
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inffast.c
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inffast.h
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inffixed.h
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inflate.c
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inflate.h
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inftrees.c
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inftrees.h
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trees.c
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trees.h
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uncompr.c
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zconf.h
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zlib.h
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zutil.c
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zutil.h
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)
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add_library(zlib EXCLUDE_FROM_ALL OBJECT ${ZLIB_SRC})
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set(ZLIB_INCLUDEDIR ${ZLIB_SRC_DIR})
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target_include_directories(zlib PRIVATE ${ZLIB_INCLUDEDIR})
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set(ZLIB_DEP $<TARGET_OBJECTS:zlib>)
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set(ZLIB_INCLUDE_DIRS ${ZLIB_INCLUDEDIR})
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set(ZLIB_LIBRARIES)
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list(APPEND TARGETS_DEP zlib)
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(ZLIB DEFAULT_MSG ZLIB_INCLUDEDIR)
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endif()
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