cannam@89: cmake_minimum_required(VERSION 2.4.4)
cannam@89: set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS ON)
cannam@89: 
cannam@89: project(zlib C)
cannam@89: 
cannam@89: set(VERSION "1.2.7")
cannam@89: 
cannam@89: set(INSTALL_BIN_DIR "${CMAKE_INSTALL_PREFIX}/bin" CACHE PATH "Installation directory for executables")
cannam@89: set(INSTALL_LIB_DIR "${CMAKE_INSTALL_PREFIX}/lib" CACHE PATH "Installation directory for libraries")
cannam@89: set(INSTALL_INC_DIR "${CMAKE_INSTALL_PREFIX}/include" CACHE PATH "Installation directory for headers")
cannam@89: set(INSTALL_MAN_DIR "${CMAKE_INSTALL_PREFIX}/share/man" CACHE PATH "Installation directory for manual pages")
cannam@89: set(INSTALL_PKGCONFIG_DIR "${CMAKE_INSTALL_PREFIX}/share/pkgconfig" CACHE PATH "Installation directory for pkgconfig (.pc) files")
cannam@89: 
cannam@89: include(CheckTypeSize)
cannam@89: include(CheckFunctionExists)
cannam@89: include(CheckIncludeFile)
cannam@89: include(CheckCSourceCompiles)
cannam@89: enable_testing()
cannam@89: 
cannam@89: check_include_file(sys/types.h HAVE_SYS_TYPES_H)
cannam@89: check_include_file(stdint.h    HAVE_STDINT_H)
cannam@89: check_include_file(stddef.h    HAVE_STDDEF_H)
cannam@89: 
cannam@89: #
cannam@89: # Check to see if we have large file support
cannam@89: #
cannam@89: set(CMAKE_REQUIRED_DEFINITIONS -D_LARGEFILE64_SOURCE=1)
cannam@89: # We add these other definitions here because CheckTypeSize.cmake
cannam@89: # in CMake 2.4.x does not automatically do so and we want
cannam@89: # compatibility with CMake 2.4.x.
cannam@89: if(HAVE_SYS_TYPES_H)
cannam@89:     list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_SYS_TYPES_H)
cannam@89: endif()
cannam@89: if(HAVE_STDINT_H)
cannam@89:     list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_STDINT_H)
cannam@89: endif()
cannam@89: if(HAVE_STDDEF_H)
cannam@89:     list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_STDDEF_H)
cannam@89: endif()
cannam@89: check_type_size(off64_t OFF64_T)
cannam@89: if(HAVE_OFF64_T)
cannam@89:    add_definitions(-D_LARGEFILE64_SOURCE=1)
cannam@89: endif()
cannam@89: set(CMAKE_REQUIRED_DEFINITIONS) # clear variable
cannam@89: 
cannam@89: #
cannam@89: # Check for fseeko
cannam@89: #
cannam@89: check_function_exists(fseeko HAVE_FSEEKO)
cannam@89: if(NOT HAVE_FSEEKO)
cannam@89:     add_definitions(-DNO_FSEEKO)
cannam@89: endif()
cannam@89: 
cannam@89: #
cannam@89: # Check for unistd.h
cannam@89: #
cannam@89: check_include_file(unistd.h Z_HAVE_UNISTD_H)
cannam@89: 
cannam@89: if(MSVC)
cannam@89:     set(CMAKE_DEBUG_POSTFIX "d")
cannam@89:     add_definitions(-D_CRT_SECURE_NO_DEPRECATE)
cannam@89:     add_definitions(-D_CRT_NONSTDC_NO_DEPRECATE)
cannam@89:     include_directories(${CMAKE_CURRENT_SOURCE_DIR})
cannam@89: endif()
cannam@89: 
cannam@89: if(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_BINARY_DIR)
cannam@89:     # If we're doing an out of source build and the user has a zconf.h
cannam@89:     # in their source tree...
cannam@89:     if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h)
cannam@89:         message(STATUS "Renaming")
cannam@89:         message(STATUS "    ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h")
cannam@89:         message(STATUS "to 'zconf.h.included' because this file is included with zlib")
cannam@89:         message(STATUS "but CMake generates it automatically in the build directory.")
cannam@89:         file(RENAME ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h.included)
cannam@89:   endif()
cannam@89: endif()
cannam@89: 
cannam@89: set(ZLIB_PC ${CMAKE_CURRENT_BINARY_DIR}/zlib.pc)
cannam@89: configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/zlib.pc.cmakein
cannam@89: 		${ZLIB_PC} @ONLY)
cannam@89: configure_file(	${CMAKE_CURRENT_SOURCE_DIR}/zconf.h.cmakein
cannam@89: 		${CMAKE_CURRENT_BINARY_DIR}/zconf.h @ONLY)
cannam@89: include_directories(${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_SOURCE_DIR})
cannam@89: 
cannam@89: 
cannam@89: #============================================================================
cannam@89: # zlib
cannam@89: #============================================================================
cannam@89: 
cannam@89: set(ZLIB_PUBLIC_HDRS
cannam@89:     ${CMAKE_CURRENT_BINARY_DIR}/zconf.h
cannam@89:     zlib.h
cannam@89: )
cannam@89: set(ZLIB_PRIVATE_HDRS
cannam@89:     crc32.h
cannam@89:     deflate.h
cannam@89:     gzguts.h
cannam@89:     inffast.h
cannam@89:     inffixed.h
cannam@89:     inflate.h
cannam@89:     inftrees.h
cannam@89:     trees.h
cannam@89:     zutil.h
cannam@89: )
cannam@89: set(ZLIB_SRCS
cannam@89:     adler32.c
cannam@89:     compress.c
cannam@89:     crc32.c
cannam@89:     deflate.c
cannam@89:     gzclose.c
cannam@89:     gzlib.c
cannam@89:     gzread.c
cannam@89:     gzwrite.c
cannam@89:     inflate.c
cannam@89:     infback.c
cannam@89:     inftrees.c
cannam@89:     inffast.c
cannam@89:     trees.c
cannam@89:     uncompr.c
cannam@89:     zutil.c
cannam@89: )
cannam@89: 
cannam@89: if(NOT MINGW)
cannam@89:     set(ZLIB_SRCS ${ZLIB_SRCS}
cannam@89:         win32/zlib1.rc # If present will override custom build rule below.
cannam@89:     )
cannam@89: endif()
cannam@89: 
cannam@89: # parse the full version number from zlib.h and include in ZLIB_FULL_VERSION
cannam@89: file(READ ${CMAKE_CURRENT_SOURCE_DIR}/zlib.h _zlib_h_contents)
cannam@89: string(REGEX REPLACE ".*#define[ \t]+ZLIB_VERSION[ \t]+\"([-0-9A-Za-z.]+)\".*"
cannam@89:     "\\1" ZLIB_FULL_VERSION ${_zlib_h_contents})
cannam@89: 
cannam@89: if(MINGW)
cannam@89:     # This gets us DLL resource information when compiling on MinGW.
cannam@89:     if(NOT CMAKE_RC_COMPILER)
cannam@89:         SET(CMAKE_RC_COMPILER windres.exe)
cannam@89:     endif()
cannam@89: 
cannam@89:     add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj
cannam@89:                        COMMAND ${CMAKE_RC_COMPILER}
cannam@89:                             -D GCC_WINDRES
cannam@89:                             -I ${CMAKE_CURRENT_SOURCE_DIR}
cannam@89:                             -I ${CMAKE_CURRENT_BINARY_DIR}
cannam@89:                             -o ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj
cannam@89:                             -i ${CMAKE_CURRENT_SOURCE_DIR}/win32/zlib1.rc)
cannam@89:     set(ZLIB_SRCS ${ZLIB_SRCS} ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj)
cannam@89: endif(MINGW)
cannam@89: 
cannam@89: add_library(zlib SHARED ${ZLIB_SRCS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS})
cannam@89: add_library(zlibstatic STATIC ${ZLIB_SRCS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS})
cannam@89: set_target_properties(zlib PROPERTIES DEFINE_SYMBOL ZLIB_DLL)
cannam@89: set_target_properties(zlib PROPERTIES SOVERSION 1)
cannam@89: 
cannam@89: if(NOT CYGWIN)
cannam@89:     # This property causes shared libraries on Linux to have the full version
cannam@89:     # encoded into their final filename.  We disable this on Cygwin because
cannam@89:     # it causes cygz-${ZLIB_FULL_VERSION}.dll to be created when cygz.dll
cannam@89:     # seems to be the default.
cannam@89:     #
cannam@89:     # This has no effect with MSVC, on that platform the version info for
cannam@89:     # the DLL comes from the resource file win32/zlib1.rc
cannam@89:     set_target_properties(zlib PROPERTIES VERSION ${ZLIB_FULL_VERSION})
cannam@89: endif()
cannam@89: 
cannam@89: if(UNIX)
cannam@89:     # On unix-like platforms the library is almost always called libz
cannam@89:    set_target_properties(zlib zlibstatic PROPERTIES OUTPUT_NAME z)
cannam@89:    set_target_properties(zlib PROPERTIES LINK_FLAGS "-Wl,--version-script,${CMAKE_CURRENT_SOURCE_DIR}/zlib.map")
cannam@89: elseif(BUILD_SHARED_LIBS AND WIN32)
cannam@89:     # Creates zlib1.dll when building shared library version
cannam@89:     set_target_properties(zlib PROPERTIES SUFFIX "1.dll")
cannam@89: endif()
cannam@89: 
cannam@89: if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL )
cannam@89:     install(TARGETS zlib zlibstatic
cannam@89:         RUNTIME DESTINATION "${INSTALL_BIN_DIR}"
cannam@89:         ARCHIVE DESTINATION "${INSTALL_LIB_DIR}"
cannam@89:         LIBRARY DESTINATION "${INSTALL_LIB_DIR}" )
cannam@89: endif()
cannam@89: if(NOT SKIP_INSTALL_HEADERS AND NOT SKIP_INSTALL_ALL )
cannam@89:     install(FILES ${ZLIB_PUBLIC_HDRS} DESTINATION "${INSTALL_INC_DIR}")
cannam@89: endif()
cannam@89: if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL )
cannam@89:     install(FILES zlib.3 DESTINATION "${INSTALL_MAN_DIR}/man3")
cannam@89: endif()
cannam@89: if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL )
cannam@89:     install(FILES ${ZLIB_PC} DESTINATION "${INSTALL_PKGCONFIG_DIR}")
cannam@89: endif()
cannam@89: 
cannam@89: #============================================================================
cannam@89: # Example binaries
cannam@89: #============================================================================
cannam@89: 
cannam@89: add_executable(example test/example.c)
cannam@89: target_link_libraries(example zlib)
cannam@89: add_test(example example)
cannam@89: 
cannam@89: add_executable(minigzip test/minigzip.c)
cannam@89: target_link_libraries(minigzip zlib)
cannam@89: 
cannam@89: if(HAVE_OFF64_T)
cannam@89:     add_executable(example64 test/example.c)
cannam@89:     target_link_libraries(example64 zlib)
cannam@89:     set_target_properties(example64 PROPERTIES COMPILE_FLAGS "-D_FILE_OFFSET_BITS=64")
cannam@89:     add_test(example64 example64)
cannam@89: 
cannam@89:     add_executable(minigzip64 test/minigzip.c)
cannam@89:     target_link_libraries(minigzip64 zlib)
cannam@89:     set_target_properties(minigzip64 PROPERTIES COMPILE_FLAGS "-D_FILE_OFFSET_BITS=64")
cannam@89: endif()