142 lines
4.8 KiB
CMake
142 lines
4.8 KiB
CMake
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check_include_file(sys/types.h HAVE_SYS_TYPES_H)
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check_include_file(stdint.h HAVE_STDINT_H)
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check_include_file(stddef.h HAVE_STDDEF_H)
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#
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# Check to see if we have large file support
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#
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set(CMAKE_REQUIRED_DEFINITIONS -D_LARGEFILE64_SOURCE=1)
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# We add these other definitions here because CheckTypeSize.cmake
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# in CMake 2.4.x does not automatically do so and we want
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# compatibility with CMake 2.4.x.
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if(HAVE_SYS_TYPES_H)
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list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_SYS_TYPES_H)
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endif()
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if(HAVE_STDINT_H)
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list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_STDINT_H)
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endif()
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if(HAVE_STDDEF_H)
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list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_STDDEF_H)
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endif()
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check_type_size(off64_t OFF64_T)
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if(HAVE_OFF64_T)
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add_definitions(-D_LARGEFILE64_SOURCE=1)
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endif()
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set(CMAKE_REQUIRED_DEFINITIONS) # clear variable
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#
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# Check for fseeko
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#
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check_function_exists(fseeko HAVE_FSEEKO)
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if(NOT HAVE_FSEEKO)
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add_definitions(-DNO_FSEEKO)
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endif()
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#
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# Check for unistd.h
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#
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check_include_file(unistd.h Z_HAVE_UNISTD_H)
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if(MSVC)
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set(CMAKE_DEBUG_POSTFIX "d")
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add_definitions(-D_CRT_SECURE_NO_DEPRECATE)
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add_definitions(-D_CRT_NONSTDC_NO_DEPRECATE)
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endif()
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if(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
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# If we're doing an out of source build and the user has a zconf.h
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# in their source tree...
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if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h)
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message(FATAL_ERROR
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"You must remove ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h "
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"from the source tree. This file is included with zlib "
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"but CMake generates this file for you automatically "
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"in the build directory.")
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endif()
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endif()
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#configure_file(${CMAKE_CURRENT_SOURCE_DIR}/zconf.in.h ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h @ONLY)
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include_directories(${CMAKE_CURRENT_SOURCE_DIR})
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#============================================================================
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# zlib
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#============================================================================
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set(ZLIB_PUBLIC_HDRS
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${CMAKE_CURRENT_SOURCE_DIR}/zconf.h
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zlib.h
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)
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set(ZLIB_PRIVATE_HDRS
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crc32.h deflate.h inffast.h inffixed.h inflate.h inftrees.h trees.h zconf.h zlib.h zutil.h
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)
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set(ZLIB_SRCS
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adler32.c compress.c crc32.c deflate.c inffast.c inflate.c inftrees.c trees.c zutil.c
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)
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# parse the full version number from zlib.h and include in ZLIB_FULL_VERSION
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file(READ ${CMAKE_CURRENT_SOURCE_DIR}/zlib.h _zlib_h_contents)
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string(REGEX REPLACE ".*#define[ \t]+ZLIB_VERSION[ \t]+\"([0-9A-Za-z.]+)\".*"
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"\\1" ZLIB_FULL_VERSION ${_zlib_h_contents})
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add_library(zlib STATIC ${ZLIB_SRCS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS})
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set_target_properties(zlib PROPERTIES DEFINE_SYMBOL ZLIB_DLL COMPILE_FLAGS "${EXTRA_COMPILE_FLAGS}")
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set_target_properties(zlib PROPERTIES SOVERSION 1)
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if(NOT CYGWIN)
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# This property causes shared libraries on Linux to have the full version
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# encoded into their final filename. We disable this on Cygwin because
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# it causes cygz-${ZLIB_FULL_VERSION}.dll to be created when cygz.dll
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# seems to be the default.
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#
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# This has no effect with MSVC, on that platform the version info for
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# the DLL comes from the resource file win32/zlib1.rc
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set_target_properties(zlib PROPERTIES VERSION ${ZLIB_FULL_VERSION})
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endif()
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if(UNIX)
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# On unix-like platforms the library is almost always called libz
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set_target_properties(zlib PROPERTIES OUTPUT_NAME z)
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elseif(BUILD_SHARED_LIBS AND WIN32)
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# Creates zlib1.dll when building shared library version
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set_target_properties(zlib PROPERTIES SUFFIX "1.dll")
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endif()
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#if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL )
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# install(TARGETS zlib
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# RUNTIME DESTINATION bin
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# ARCHIVE DESTINATION lib
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# LIBRARY DESTINATION lib )
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#endif()
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#if(NOT SKIP_INSTALL_HEADERS AND NOT SKIP_INSTALL_ALL )
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# install(FILES ${ZLIB_PUBLIC_HDRS} DESTINATION include)
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#endif()
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#if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL )
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# install(FILES zlib.3 DESTINATION share/man/man3)
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#endif()
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#============================================================================
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# Example binaries
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#============================================================================
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#add_executable(example example.c)
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#target_link_libraries(example zlib)
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#add_test(example example)
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#
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#add_executable(minigzip minigzip.c)
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#target_link_libraries(minigzip zlib)
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#
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#if(HAVE_OFF64_T)
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# add_executable(example64 example.c)
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# target_link_libraries(example64 zlib)
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# set_target_properties(example64 PROPERTIES COMPILE_FLAGS "-D_FILE_OFFSET_BITS=64")
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# add_test(example64 example64)
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#
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# add_executable(minigzip64 minigzip.c)
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# target_link_libraries(minigzip64 zlib)
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# set_target_properties(minigzip64 PROPERTIES COMPILE_FLAGS "-D_FILE_OFFSET_BITS=64")
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#endif()
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