219 lines
7.5 KiB
CMake
219 lines
7.5 KiB
CMake
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cmake_minimum_required(VERSION 2.4.4...3.15.0)
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set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS ON)
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project(zlib C)
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set(VERSION "1.3.1.1")
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option(ZLIB_BUILD_EXAMPLES "Enable Zlib Examples" ON)
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set(INSTALL_BIN_DIR "${CMAKE_INSTALL_PREFIX}/bin" CACHE PATH "Installation directory for executables")
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set(INSTALL_LIB_DIR "${CMAKE_INSTALL_PREFIX}/lib" CACHE PATH "Installation directory for libraries")
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set(INSTALL_INC_DIR "${CMAKE_INSTALL_PREFIX}/include" CACHE PATH "Installation directory for headers")
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set(INSTALL_MAN_DIR "${CMAKE_INSTALL_PREFIX}/share/man" CACHE PATH "Installation directory for manual pages")
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set(INSTALL_PKGCONFIG_DIR "${CMAKE_INSTALL_PREFIX}/share/pkgconfig" CACHE PATH "Installation directory for pkgconfig (.pc) files")
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include(CheckTypeSize)
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include(CheckFunctionExists)
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include(CheckIncludeFile)
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include(CheckCSourceCompiles)
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enable_testing()
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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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include_directories(${CMAKE_CURRENT_SOURCE_DIR})
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endif()
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if(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_BINARY_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(STATUS "Renaming")
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message(STATUS " ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h")
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message(STATUS "to 'zconf.h.included' because this file is included with zlib")
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message(STATUS "but CMake generates it automatically in the build directory.")
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file(RENAME ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h.included)
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endif()
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endif()
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set(ZLIB_PC ${CMAKE_CURRENT_BINARY_DIR}/zlib.pc)
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configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/zlib.pc.cmakein
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${ZLIB_PC} @ONLY)
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configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h.cmakein
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${CMAKE_CURRENT_BINARY_DIR}/zconf.h @ONLY)
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include_directories(${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_SOURCE_DIR})
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#============================================================================
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# zlib
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#============================================================================
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set(ZLIB_PUBLIC_HDRS
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${CMAKE_CURRENT_BINARY_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
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deflate.h
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gzguts.h
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inffast.h
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inffixed.h
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inflate.h
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inftrees.h
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trees.h
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zutil.h
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)
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set(ZLIB_SRCS
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adler32.c
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compress.c
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crc32.c
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deflate.c
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gzclose.c
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gzlib.c
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gzread.c
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gzwrite.c
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inflate.c
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infback.c
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inftrees.c
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inffast.c
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trees.c
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uncompr.c
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zutil.c
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)
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if(NOT MINGW)
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set(ZLIB_DLL_SRCS
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win32/zlib1.rc # If present will override custom build rule below.
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)
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endif()
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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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if(MINGW)
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# This gets us DLL resource information when compiling on MinGW.
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if(NOT CMAKE_RC_COMPILER)
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set(CMAKE_RC_COMPILER windres.exe)
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endif()
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add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj
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COMMAND ${CMAKE_RC_COMPILER}
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-D GCC_WINDRES
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-I ${CMAKE_CURRENT_SOURCE_DIR}
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-I ${CMAKE_CURRENT_BINARY_DIR}
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-o ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj
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-i ${CMAKE_CURRENT_SOURCE_DIR}/win32/zlib1.rc)
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set(ZLIB_DLL_SRCS ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj)
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endif(MINGW)
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add_library(zlib SHARED ${ZLIB_SRCS} ${ZLIB_DLL_SRCS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS})
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target_include_directories(zlib PUBLIC ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR})
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add_library(zlibstatic STATIC ${ZLIB_SRCS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS})
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target_include_directories(zlibstatic PUBLIC ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR})
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set_target_properties(zlib PROPERTIES DEFINE_SYMBOL ZLIB_DLL)
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set_target_properties(zlib PROPERTIES SOVERSION 1)
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if(NOT CYGWIN)
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# This property causes shared libraries on Linux to have the full version
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# encoded into their final filename. We disable this on Cygwin because
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# it causes cygz-${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 ${ZLIB_FULL_VERSION})
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endif()
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if(UNIX)
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# On unix-like platforms the library is almost always called libz
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set_target_properties(zlib zlibstatic PROPERTIES OUTPUT_NAME z)
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if(NOT APPLE AND NOT(CMAKE_SYSTEM_NAME STREQUAL AIX))
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set_target_properties(zlib PROPERTIES LINK_FLAGS "-Wl,--version-script,\"${CMAKE_CURRENT_SOURCE_DIR}/zlib.map\"")
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endif()
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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 zlibstatic
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RUNTIME DESTINATION "${INSTALL_BIN_DIR}"
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ARCHIVE DESTINATION "${INSTALL_LIB_DIR}"
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LIBRARY DESTINATION "${INSTALL_LIB_DIR}" )
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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 ${ZLIB_PUBLIC_HDRS} DESTINATION "${INSTALL_INC_DIR}")
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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 "${INSTALL_MAN_DIR}/man3")
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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 ${ZLIB_PC} DESTINATION "${INSTALL_PKGCONFIG_DIR}")
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endif()
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#============================================================================
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# Example binaries
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#============================================================================
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if(ZLIB_BUILD_EXAMPLES)
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add_executable(example test/example.c)
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target_link_libraries(example zlib)
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add_test(example example)
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add_executable(minigzip test/minigzip.c)
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target_link_libraries(minigzip zlib)
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if(HAVE_OFF64_T)
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add_executable(example64 test/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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add_executable(minigzip64 test/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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endif()
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