Chris@43: cmake_minimum_required(VERSION 2.4.4)
Chris@43: set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS ON)
Chris@43: 
Chris@43: project(zlib C)
Chris@43: 
Chris@43: set(VERSION "1.2.8")
Chris@43: 
Chris@43: option(ASM686 "Enable building i686 assembly implementation")
Chris@43: option(AMD64 "Enable building amd64 assembly implementation")
Chris@43: 
Chris@43: set(INSTALL_BIN_DIR "${CMAKE_INSTALL_PREFIX}/bin" CACHE PATH "Installation directory for executables")
Chris@43: set(INSTALL_LIB_DIR "${CMAKE_INSTALL_PREFIX}/lib" CACHE PATH "Installation directory for libraries")
Chris@43: set(INSTALL_INC_DIR "${CMAKE_INSTALL_PREFIX}/include" CACHE PATH "Installation directory for headers")
Chris@43: set(INSTALL_MAN_DIR "${CMAKE_INSTALL_PREFIX}/share/man" CACHE PATH "Installation directory for manual pages")
Chris@43: set(INSTALL_PKGCONFIG_DIR "${CMAKE_INSTALL_PREFIX}/share/pkgconfig" CACHE PATH "Installation directory for pkgconfig (.pc) files")
Chris@43: 
Chris@43: include(CheckTypeSize)
Chris@43: include(CheckFunctionExists)
Chris@43: include(CheckIncludeFile)
Chris@43: include(CheckCSourceCompiles)
Chris@43: enable_testing()
Chris@43: 
Chris@43: check_include_file(sys/types.h HAVE_SYS_TYPES_H)
Chris@43: check_include_file(stdint.h    HAVE_STDINT_H)
Chris@43: check_include_file(stddef.h    HAVE_STDDEF_H)
Chris@43: 
Chris@43: #
Chris@43: # Check to see if we have large file support
Chris@43: #
Chris@43: set(CMAKE_REQUIRED_DEFINITIONS -D_LARGEFILE64_SOURCE=1)
Chris@43: # We add these other definitions here because CheckTypeSize.cmake
Chris@43: # in CMake 2.4.x does not automatically do so and we want
Chris@43: # compatibility with CMake 2.4.x.
Chris@43: if(HAVE_SYS_TYPES_H)
Chris@43:     list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_SYS_TYPES_H)
Chris@43: endif()
Chris@43: if(HAVE_STDINT_H)
Chris@43:     list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_STDINT_H)
Chris@43: endif()
Chris@43: if(HAVE_STDDEF_H)
Chris@43:     list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_STDDEF_H)
Chris@43: endif()
Chris@43: check_type_size(off64_t OFF64_T)
Chris@43: if(HAVE_OFF64_T)
Chris@43:    add_definitions(-D_LARGEFILE64_SOURCE=1)
Chris@43: endif()
Chris@43: set(CMAKE_REQUIRED_DEFINITIONS) # clear variable
Chris@43: 
Chris@43: #
Chris@43: # Check for fseeko
Chris@43: #
Chris@43: check_function_exists(fseeko HAVE_FSEEKO)
Chris@43: if(NOT HAVE_FSEEKO)
Chris@43:     add_definitions(-DNO_FSEEKO)
Chris@43: endif()
Chris@43: 
Chris@43: #
Chris@43: # Check for unistd.h
Chris@43: #
Chris@43: check_include_file(unistd.h Z_HAVE_UNISTD_H)
Chris@43: 
Chris@43: if(MSVC)
Chris@43:     set(CMAKE_DEBUG_POSTFIX "d")
Chris@43:     add_definitions(-D_CRT_SECURE_NO_DEPRECATE)
Chris@43:     add_definitions(-D_CRT_NONSTDC_NO_DEPRECATE)
Chris@43:     include_directories(${CMAKE_CURRENT_SOURCE_DIR})
Chris@43: endif()
Chris@43: 
Chris@43: if(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_BINARY_DIR)
Chris@43:     # If we're doing an out of source build and the user has a zconf.h
Chris@43:     # in their source tree...
Chris@43:     if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h)
Chris@43:         message(STATUS "Renaming")
Chris@43:         message(STATUS "    ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h")
Chris@43:         message(STATUS "to 'zconf.h.included' because this file is included with zlib")
Chris@43:         message(STATUS "but CMake generates it automatically in the build directory.")
Chris@43:         file(RENAME ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h.included)
Chris@43:   endif()
Chris@43: endif()
Chris@43: 
Chris@43: set(ZLIB_PC ${CMAKE_CURRENT_BINARY_DIR}/zlib.pc)
Chris@43: configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/zlib.pc.cmakein
Chris@43: 		${ZLIB_PC} @ONLY)
Chris@43: configure_file(	${CMAKE_CURRENT_SOURCE_DIR}/zconf.h.cmakein
Chris@43: 		${CMAKE_CURRENT_BINARY_DIR}/zconf.h @ONLY)
Chris@43: include_directories(${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_SOURCE_DIR})
Chris@43: 
Chris@43: 
Chris@43: #============================================================================
Chris@43: # zlib
Chris@43: #============================================================================
Chris@43: 
Chris@43: set(ZLIB_PUBLIC_HDRS
Chris@43:     ${CMAKE_CURRENT_BINARY_DIR}/zconf.h
Chris@43:     zlib.h
Chris@43: )
Chris@43: set(ZLIB_PRIVATE_HDRS
Chris@43:     crc32.h
Chris@43:     deflate.h
Chris@43:     gzguts.h
Chris@43:     inffast.h
Chris@43:     inffixed.h
Chris@43:     inflate.h
Chris@43:     inftrees.h
Chris@43:     trees.h
Chris@43:     zutil.h
Chris@43: )
Chris@43: set(ZLIB_SRCS
Chris@43:     adler32.c
Chris@43:     compress.c
Chris@43:     crc32.c
Chris@43:     deflate.c
Chris@43:     gzclose.c
Chris@43:     gzlib.c
Chris@43:     gzread.c
Chris@43:     gzwrite.c
Chris@43:     inflate.c
Chris@43:     infback.c
Chris@43:     inftrees.c
Chris@43:     inffast.c
Chris@43:     trees.c
Chris@43:     uncompr.c
Chris@43:     zutil.c
Chris@43: )
Chris@43: 
Chris@43: if(NOT MINGW)
Chris@43:     set(ZLIB_DLL_SRCS
Chris@43:         win32/zlib1.rc # If present will override custom build rule below.
Chris@43:     )
Chris@43: endif()
Chris@43: 
Chris@43: if(CMAKE_COMPILER_IS_GNUCC)
Chris@43:     if(ASM686)
Chris@43:         set(ZLIB_ASMS contrib/asm686/match.S)
Chris@43:     elseif (AMD64)
Chris@43:         set(ZLIB_ASMS contrib/amd64/amd64-match.S)
Chris@43:     endif ()
Chris@43: 
Chris@43: 	if(ZLIB_ASMS)
Chris@43: 		add_definitions(-DASMV)
Chris@43: 		set_source_files_properties(${ZLIB_ASMS} PROPERTIES LANGUAGE C COMPILE_FLAGS -DNO_UNDERLINE)
Chris@43: 	endif()
Chris@43: endif()
Chris@43: 
Chris@43: if(MSVC)
Chris@43:     if(ASM686)
Chris@43: 		ENABLE_LANGUAGE(ASM_MASM)
Chris@43:         set(ZLIB_ASMS
Chris@43: 			contrib/masmx86/inffas32.asm
Chris@43: 			contrib/masmx86/match686.asm
Chris@43: 		)
Chris@43:     elseif (AMD64)
Chris@43: 		ENABLE_LANGUAGE(ASM_MASM)
Chris@43:         set(ZLIB_ASMS
Chris@43: 			contrib/masmx64/gvmat64.asm
Chris@43: 			contrib/masmx64/inffasx64.asm
Chris@43: 		)
Chris@43:     endif()
Chris@43: 
Chris@43: 	if(ZLIB_ASMS)
Chris@43: 		add_definitions(-DASMV -DASMINF)
Chris@43: 	endif()
Chris@43: endif()
Chris@43: 
Chris@43: # parse the full version number from zlib.h and include in ZLIB_FULL_VERSION
Chris@43: file(READ ${CMAKE_CURRENT_SOURCE_DIR}/zlib.h _zlib_h_contents)
Chris@43: string(REGEX REPLACE ".*#define[ \t]+ZLIB_VERSION[ \t]+\"([-0-9A-Za-z.]+)\".*"
Chris@43:     "\\1" ZLIB_FULL_VERSION ${_zlib_h_contents})
Chris@43: 
Chris@43: if(MINGW)
Chris@43:     # This gets us DLL resource information when compiling on MinGW.
Chris@43:     if(NOT CMAKE_RC_COMPILER)
Chris@43:         set(CMAKE_RC_COMPILER windres.exe)
Chris@43:     endif()
Chris@43: 
Chris@43:     add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj
Chris@43:                        COMMAND ${CMAKE_RC_COMPILER}
Chris@43:                             -D GCC_WINDRES
Chris@43:                             -I ${CMAKE_CURRENT_SOURCE_DIR}
Chris@43:                             -I ${CMAKE_CURRENT_BINARY_DIR}
Chris@43:                             -o ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj
Chris@43:                             -i ${CMAKE_CURRENT_SOURCE_DIR}/win32/zlib1.rc)
Chris@43:     set(ZLIB_DLL_SRCS ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj)
Chris@43: endif(MINGW)
Chris@43: 
Chris@43: add_library(zlib SHARED ${ZLIB_SRCS} ${ZLIB_ASMS} ${ZLIB_DLL_SRCS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS})
Chris@43: add_library(zlibstatic STATIC ${ZLIB_SRCS} ${ZLIB_ASMS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS})
Chris@43: set_target_properties(zlib PROPERTIES DEFINE_SYMBOL ZLIB_DLL)
Chris@43: set_target_properties(zlib PROPERTIES SOVERSION 1)
Chris@43: 
Chris@43: if(NOT CYGWIN)
Chris@43:     # This property causes shared libraries on Linux to have the full version
Chris@43:     # encoded into their final filename.  We disable this on Cygwin because
Chris@43:     # it causes cygz-${ZLIB_FULL_VERSION}.dll to be created when cygz.dll
Chris@43:     # seems to be the default.
Chris@43:     #
Chris@43:     # This has no effect with MSVC, on that platform the version info for
Chris@43:     # the DLL comes from the resource file win32/zlib1.rc
Chris@43:     set_target_properties(zlib PROPERTIES VERSION ${ZLIB_FULL_VERSION})
Chris@43: endif()
Chris@43: 
Chris@43: if(UNIX)
Chris@43:     # On unix-like platforms the library is almost always called libz
Chris@43:    set_target_properties(zlib zlibstatic PROPERTIES OUTPUT_NAME z)
Chris@43:    if(NOT APPLE)
Chris@43:      set_target_properties(zlib PROPERTIES LINK_FLAGS "-Wl,--version-script,\"${CMAKE_CURRENT_SOURCE_DIR}/zlib.map\"")
Chris@43:    endif()
Chris@43: elseif(BUILD_SHARED_LIBS AND WIN32)
Chris@43:     # Creates zlib1.dll when building shared library version
Chris@43:     set_target_properties(zlib PROPERTIES SUFFIX "1.dll")
Chris@43: endif()
Chris@43: 
Chris@43: if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL )
Chris@43:     install(TARGETS zlib zlibstatic
Chris@43:         RUNTIME DESTINATION "${INSTALL_BIN_DIR}"
Chris@43:         ARCHIVE DESTINATION "${INSTALL_LIB_DIR}"
Chris@43:         LIBRARY DESTINATION "${INSTALL_LIB_DIR}" )
Chris@43: endif()
Chris@43: if(NOT SKIP_INSTALL_HEADERS AND NOT SKIP_INSTALL_ALL )
Chris@43:     install(FILES ${ZLIB_PUBLIC_HDRS} DESTINATION "${INSTALL_INC_DIR}")
Chris@43: endif()
Chris@43: if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL )
Chris@43:     install(FILES zlib.3 DESTINATION "${INSTALL_MAN_DIR}/man3")
Chris@43: endif()
Chris@43: if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL )
Chris@43:     install(FILES ${ZLIB_PC} DESTINATION "${INSTALL_PKGCONFIG_DIR}")
Chris@43: endif()
Chris@43: 
Chris@43: #============================================================================
Chris@43: # Example binaries
Chris@43: #============================================================================
Chris@43: 
Chris@43: add_executable(example test/example.c)
Chris@43: target_link_libraries(example zlib)
Chris@43: add_test(example example)
Chris@43: 
Chris@43: add_executable(minigzip test/minigzip.c)
Chris@43: target_link_libraries(minigzip zlib)
Chris@43: 
Chris@43: if(HAVE_OFF64_T)
Chris@43:     add_executable(example64 test/example.c)
Chris@43:     target_link_libraries(example64 zlib)
Chris@43:     set_target_properties(example64 PROPERTIES COMPILE_FLAGS "-D_FILE_OFFSET_BITS=64")
Chris@43:     add_test(example64 example64)
Chris@43: 
Chris@43:     add_executable(minigzip64 test/minigzip.c)
Chris@43:     target_link_libraries(minigzip64 zlib)
Chris@43:     set_target_properties(minigzip64 PROPERTIES COMPILE_FLAGS "-D_FILE_OFFSET_BITS=64")
Chris@43: endif()