cmake_minimum_required(VERSION 2.4.4) set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS ON) project(zlib C) set(VERSION "1.2.7") set(INSTALL_BIN_DIR "${CMAKE_INSTALL_PREFIX}/bin" CACHE PATH "Installation directory for executables") set(INSTALL_LIB_DIR "${CMAKE_INSTALL_PREFIX}/lib" CACHE PATH "Installation directory for libraries") set(INSTALL_INC_DIR "${CMAKE_INSTALL_PREFIX}/include" CACHE PATH "Installation directory for headers") set(INSTALL_MAN_DIR "${CMAKE_INSTALL_PREFIX}/share/man" CACHE PATH "Installation directory for manual pages") set(INSTALL_PKGCONFIG_DIR "${CMAKE_INSTALL_PREFIX}/share/pkgconfig" CACHE PATH "Installation directory for pkgconfig (.pc) files") include(CheckTypeSize) include(CheckFunctionExists) include(CheckIncludeFile) include(CheckCSourceCompiles) enable_testing() check_include_file(sys/types.h HAVE_SYS_TYPES_H) check_include_file(stdint.h HAVE_STDINT_H) check_include_file(stddef.h HAVE_STDDEF_H) # # Check to see if we have large file support # set(CMAKE_REQUIRED_DEFINITIONS -D_LARGEFILE64_SOURCE=1) # We add these other definitions here because CheckTypeSize.cmake # in CMake 2.4.x does not automatically do so and we want # compatibility with CMake 2.4.x. if(HAVE_SYS_TYPES_H) list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_SYS_TYPES_H) endif() if(HAVE_STDINT_H) list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_STDINT_H) endif() if(HAVE_STDDEF_H) list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_STDDEF_H) endif() check_type_size(off64_t OFF64_T) if(HAVE_OFF64_T) add_definitions(-D_LARGEFILE64_SOURCE=1) endif() set(CMAKE_REQUIRED_DEFINITIONS) # clear variable # # Check for fseeko # check_function_exists(fseeko HAVE_FSEEKO) if(NOT HAVE_FSEEKO) add_definitions(-DNO_FSEEKO) endif() # # Check for unistd.h # check_include_file(unistd.h Z_HAVE_UNISTD_H) if(MSVC) set(CMAKE_DEBUG_POSTFIX "d") add_definitions(-D_CRT_SECURE_NO_DEPRECATE) add_definitions(-D_CRT_NONSTDC_NO_DEPRECATE) include_directories(${CMAKE_CURRENT_SOURCE_DIR}) endif() if(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_BINARY_DIR) # If we're doing an out of source build and the user has a zconf.h # in their source tree... if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h) message(STATUS "Renaming") message(STATUS " ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h") message(STATUS "to 'zconf.h.included' because this file is included with zlib") message(STATUS "but CMake generates it automatically in the build directory.") file(RENAME ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h.included) endif() endif() configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/zlib.pc.cmakein ${CMAKE_CURRENT_BINARY_DIR}/zlib.pc @ONLY) configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h.cmakein ${CMAKE_CURRENT_BINARY_DIR}/zconf.h @ONLY) include_directories(${CMAKE_CURRENT_BINARY_DIR}) #============================================================================ # zlib #============================================================================ set(ZLIB_PUBLIC_HDRS ${CMAKE_CURRENT_BINARY_DIR}/zconf.h zlib.h ) set(ZLIB_PRIVATE_HDRS crc32.h deflate.h gzguts.h inffast.h inffixed.h inflate.h inftrees.h trees.h zutil.h ) set(ZLIB_SRCS adler32.c compress.c crc32.c deflate.c gzclose.c gzlib.c gzread.c gzwrite.c inflate.c infback.c inftrees.c inffast.c trees.c uncompr.c zutil.c ) if(NOT MINGW) set(ZLIB_SRCS ${ZLIB_SRCS} win32/zlib1.rc # If present will override custom build rule below. ) endif() # parse the full version number from zlib.h and include in ZLIB_FULL_VERSION file(READ ${CMAKE_CURRENT_SOURCE_DIR}/zlib.h _zlib_h_contents) string(REGEX REPLACE ".*#define[ \t]+ZLIB_VERSION[ \t]+\"([0-9A-Za-z.]+)\".*" "\\1" ZLIB_FULL_VERSION ${_zlib_h_contents}) if(MINGW) # This gets us DLL resource information when compiling on MinGW. if(NOT CMAKE_RC_COMPILER) SET(CMAKE_RC_COMPILER windres.exe) endif() add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj COMMAND ${CMAKE_RC_COMPILER} -D GCC_WINDRES -I ${CMAKE_CURRENT_SOURCE_DIR} -I ${CMAKE_CURRENT_BINARY_DIR} -o ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj -i ${CMAKE_CURRENT_SOURCE_DIR}/win32/zlib1.rc) set(ZLIB_SRCS ${ZLIB_SRCS} ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj) endif(MINGW) add_library(zlib SHARED ${ZLIB_SRCS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS}) add_library(zlibstatic STATIC ${ZLIB_SRCS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS}) set_target_properties(zlib PROPERTIES DEFINE_SYMBOL ZLIB_DLL) set_target_properties(zlib PROPERTIES SOVERSION 1) if(NOT CYGWIN) # This property causes shared libraries on Linux to have the full version # encoded into their final filename. We disable this on Cygwin because # it causes cygz-${ZLIB_FULL_VERSION}.dll to be created when cygz.dll # seems to be the default. # # This has no effect with MSVC, on that platform the version info for # the DLL comes from the resource file win32/zlib1.rc set_target_properties(zlib PROPERTIES VERSION ${ZLIB_FULL_VERSION}) endif() if(UNIX) # On unix-like platforms the library is almost always called libz set_target_properties(zlib zlibstatic PROPERTIES OUTPUT_NAME z) set_target_properties(zlib PROPERTIES LINK_FLAGS "-Wl,--version-script,zlib.map") elseif(BUILD_SHARED_LIBS AND WIN32) # Creates zlib1.dll when building shared library version set_target_properties(zlib PROPERTIES SUFFIX "1.dll") endif() if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL ) install(TARGETS zlib zlibstatic RUNTIME DESTINATION "${INSTALL_BIN_DIR}" ARCHIVE DESTINATION "${INSTALL_LIB_DIR}" LIBRARY DESTINATION "${INSTALL_LIB_DIR}" ) endif() if(NOT SKIP_INSTALL_HEADERS AND NOT SKIP_INSTALL_ALL ) install(FILES ${ZLIB_PUBLIC_HDRS} DESTINATION "${INSTALL_INC_DIR}") endif() if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL ) install(FILES zlib.3 DESTINATION "${INSTALL_MAN_DIR}/man3") endif() if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL ) install(FILES zlib.pc DESTINATION "${INSTALL_PKGCONFIG_DIR}") endif() #============================================================================ # Example binaries #============================================================================ add_executable(example test/example.c) target_link_libraries(example zlib) add_test(example example) add_executable(minigzip test/minigzip.c) target_link_libraries(minigzip zlib) if(HAVE_OFF64_T) add_executable(example64 test/example.c) target_link_libraries(example64 zlib) set_target_properties(example64 PROPERTIES COMPILE_FLAGS "-D_FILE_OFFSET_BITS=64") add_test(example64 example64) add_executable(minigzip64 test/minigzip.c) target_link_libraries(minigzip64 zlib) set_target_properties(minigzip64 PROPERTIES COMPILE_FLAGS "-D_FILE_OFFSET_BITS=64") endif()