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) endif() if(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_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(FATAL_ERROR "You must remove ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h " "from the source tree. This file is included with zlib " "but CMake generates this file for you automatically " "in the build directory.") endif() endif() #configure_file(${CMAKE_CURRENT_SOURCE_DIR}/zconf.in.h ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h @ONLY) include_directories(${CMAKE_CURRENT_SOURCE_DIR}) #============================================================================ # zlib #============================================================================ set(ZLIB_PUBLIC_HDRS ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h zlib.h ) set(ZLIB_PRIVATE_HDRS crc32.h deflate.h inffast.h inffixed.h inflate.h inftrees.h trees.h zconf.h zlib.h zutil.h ) set(ZLIB_SRCS adler32.c compress.c crc32.c deflate.c inffast.c inflate.c inftrees.c trees.c zutil.c ) # 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}) add_library(zlib STATIC ${ZLIB_SRCS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS}) set_target_properties(zlib PROPERTIES DEFINE_SYMBOL ZLIB_DLL COMPILE_FLAGS "${EXTRA_COMPILE_FLAGS}") 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 PROPERTIES OUTPUT_NAME z) 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 # RUNTIME DESTINATION bin # ARCHIVE DESTINATION lib # LIBRARY DESTINATION lib ) #endif() #if(NOT SKIP_INSTALL_HEADERS AND NOT SKIP_INSTALL_ALL ) # install(FILES ${ZLIB_PUBLIC_HDRS} DESTINATION include) #endif() #if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL ) # install(FILES zlib.3 DESTINATION share/man/man3) #endif() #============================================================================ # Example binaries #============================================================================ #add_executable(example example.c) #target_link_libraries(example zlib) #add_test(example example) # #add_executable(minigzip minigzip.c) #target_link_libraries(minigzip zlib) # #if(HAVE_OFF64_T) # add_executable(example64 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 minigzip.c) # target_link_libraries(minigzip64 zlib) # set_target_properties(minigzip64 PROPERTIES COMPILE_FLAGS "-D_FILE_OFFSET_BITS=64") #endif()