| cmake_minimum_required(VERSION 2.4.4) |
| set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS ON) |
| |
| project(zlib C) |
| |
| if(NOT DEFINED BUILD_SHARED_LIBS) |
| option(BUILD_SHARED_LIBS "Build a shared library form of zlib" ON) |
| endif() |
| |
| 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) |
| 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(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.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 ${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 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 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() |