| cmake_minimum_required(VERSION 3.12...3.31) |
| |
| project( |
| zlib |
| LANGUAGES C |
| VERSION 1.4.1.1 |
| HOMEPAGE_URL "https://zlib.net/" |
| DESCRIPTION "a general-purpose lossless data-compression library") |
| |
| # ============================================================================ |
| # CPack |
| # ============================================================================ |
| set(CPACK_PACKAGE_VENDOR "zlib-Project") |
| set(CPACK_PACKAGE_DESCRIPTION_FILE ${zlib_SOURCE_DIR}/README) |
| set(CPACK_RESOURCE_FILE_LICENSE ${zlib_SOURCE_DIR}/LICENSE) |
| set(CPACK_RESOURCE_FILE_README ${zlib_SOURCE_DIR}/README) |
| |
| # ============================================================================ |
| # configuration |
| # ============================================================================ |
| |
| option(ZLIB_BUILD_TESTING "Enable Zlib Examples as tests" ON) |
| option(ZLIB_BUILD_SHARED "Enable building zlib shared library" ON) |
| option(ZLIB_BUILD_STATIC "Enable building zlib static library" ON) |
| option(ZLIB_BUILD_MINIZIP "Enable building libminizip contrib library" OFF) |
| option(ZLIB_INSTALL "Enable installation of zlib" ON) |
| option(ZLIB_PREFIX "prefix for all types and library functions, see zconf.h.in" |
| OFF) |
| mark_as_advanced(ZLIB_PREFIX) |
| |
| if(WIN32) |
| option(ZLIB_INSTALL_COMPAT_DLL "Install a copy as zlib1.dll" ON) |
| endif(WIN32) |
| |
| get_property(IS_MULTI GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG) |
| |
| if(NOT DEFINED CMAKE_BUILD_TYPE AND NOT IS_MULTI) |
| message(STATUS "No CMAKE_BUILD_TYPE set -- using Release") |
| set(CMAKE_BUILD_TYPE Release) |
| endif(NOT DEFINED CMAKE_BUILD_TYPE AND NOT IS_MULTI) |
| |
| include(CheckCSourceCompiles) |
| include(CheckFunctionExists) |
| include(CheckIncludeFile) |
| include(CMakePackageConfigHelpers) |
| include(CheckTypeSize) |
| include(CPack) |
| include(GNUInstallDirs) |
| |
| set(CPACK_INCLUDED TRUE) |
| |
| if(NOT ZLIB_CONF_WRITTEN) |
| set(Z_PREFIX ${ZLIB_PREFIX}) |
| set(CONF_OUT_FILE ${zlib_BINARY_DIR}/zconf.h.cmakein) |
| file(READ ${zlib_SOURCE_DIR}/zconf.h ZCONF_CONTENT LIMIT 245) |
| file(WRITE ${CONF_OUT_FILE} ${ZCONF_CONTENT}) |
| file(APPEND ${CONF_OUT_FILE} "#cmakedefine Z_PREFIX 1\n") |
| file(APPEND ${CONF_OUT_FILE} "#cmakedefine HAVE_STDARG_H 1\n") |
| file(APPEND ${CONF_OUT_FILE} "#cmakedefine HAVE_UNISTD_H 1\n") |
| file(READ ${zlib_SOURCE_DIR}/zconf.h ZCONF_CONTENT OFFSET 244) |
| set(FIRST_ITEM TRUE) |
| |
| foreach(item IN LISTS ZCONF_CONTENT) |
| if(FIRST_ITEM) |
| string(APPEND OUT_CONTENT ${item}) |
| set(FIRST_ITEM FALSE) |
| else(FIRST_ITEM) |
| string(APPEND OUT_CONTENT "\;" ${item}) |
| endif(FIRST_ITEM) |
| endforeach(item IN LISTS ${ZCONF_CONTENT}) |
| |
| file(APPEND ${CONF_OUT_FILE} ${OUT_CONTENT}) |
| set(ZLIB_CONF_WRITTEN |
| TRUE |
| CACHE BOOL "zconf.h.cmakein was created") |
| mark_as_advanced(ZLIB_CONF_WRITTEN) |
| endif(NOT ZLIB_CONF_WRITTEN) |
| |
| # |
| # Check to see if we have large file support |
| # |
| set(CMAKE_REQUIRED_DEFINITIONS -D_LARGEFILE64_SOURCE=1) |
| check_type_size(off64_t OFF64_T) |
| unset(CMAKE_REQUIRED_DEFINITIONS) # clear variable |
| |
| # |
| # Check for fseeko |
| # |
| check_function_exists(fseeko HAVE_FSEEKO) |
| |
| # |
| # Check for stdarg.h |
| # |
| check_include_file(stdarg.h HAVE_STDARG_H) |
| |
| # |
| # Check for unistd.h |
| # |
| check_include_file(unistd.h HAVE_UNISTD_H) |
| |
| # |
| # Check visibility attribute is supported |
| # |
| if(MSVC) |
| set(CMAKE_REQUIRED_FLAGS "-WX") |
| else(MSVC) |
| set(CMAKE_REQUIRED_FLAGS "-WError") |
| endif(MSVC) |
| |
| check_c_source_compiles( |
| " |
| #include <stdlib.h> |
| static void f(void) __attribute__ ((visibility(\"hidden\"))); |
| int main(void) {return 0;} |
| " |
| HAVE___ATTR__VIS_HIDDEN) |
| |
| unset(CMAKE_COMPILE_FLAGS) |
| set(ZLIB_PC ${zlib_BINARY_DIR}/zlib.pc) |
| configure_file(${zlib_SOURCE_DIR}/zlib.pc.cmakein ${ZLIB_PC} @ONLY) |
| configure_file(${zlib_BINARY_DIR}/zconf.h.cmakein ${zlib_BINARY_DIR}/zconf.h) |
| |
| # ============================================================================ |
| # zlib |
| # ============================================================================ |
| |
| set(ZLIB_PUBLIC_HDRS ${zlib_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(WIN32) |
| set(zlib_static_suffix "s") |
| set(CMAKE_DEBUG_POSTFIX "d") |
| endif(WIN32) |
| |
| if(ZLIB_BUILD_SHARED) |
| add_library( |
| zlib SHARED ${ZLIB_SRCS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS} |
| $<$<OR:$<BOOL:${WIN32}>,$<BOOL:${CYGWIN}>>:win32/zlib1.rc>) |
| add_library(ZLIB::ZLIB ALIAS zlib) |
| target_include_directories( |
| zlib |
| PUBLIC $<BUILD_INTERFACE:${zlib_BINARY_DIR}> |
| $<BUILD_INTERFACE:${zlib_SOURCE_DIR}> |
| $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>) |
| target_compile_definitions( |
| zlib |
| PRIVATE ZLIB_BUILD |
| $<$<BOOL:NOT:${HAVE_FSEEKO}>:NO_FSEEKO> |
| $<$<BOOL:${HAVE___ATTR__VIS_HIDDEN}>:HAVE_HIDDEN> |
| $<$<BOOL:${MSVC}>:_CRT_SECURE_NO_DEPRECATE> |
| $<$<BOOL:${MSVC}>:_CRT_NONSTDC_NO_DEPRECATE> |
| PUBLIC $<$<BOOL:${HAVE_OFF64_T}>:_LARGEFILE64_SOURCE=1>) |
| set(INSTALL_VERSION ${zlib_VERSION}) |
| |
| if(NOT CYGWIN) |
| set_target_properties(zlib PROPERTIES SOVERSION ${zlib_VERSION_MAJOR} |
| VERSION ${INSTALL_VERSION}) |
| endif(NOT CYGWIN) |
| |
| set_target_properties( |
| zlib |
| PROPERTIES DEFINE_SYMBOL ZLIB_DLL |
| EXPORT_NAME ZLIB |
| OUTPUT_NAME z) |
| if(UNIX |
| AND NOT APPLE |
| AND NOT (CMAKE_SYSTEM_NAME STREQUAL AIX)) |
| # On unix-like platforms the library is almost always called libz |
| set_target_properties( |
| zlib |
| PROPERTIES LINK_FLAGS |
| "-Wl,--version-script,\"${zlib_SOURCE_DIR}/zlib.map\"") |
| endif( |
| UNIX |
| AND NOT APPLE |
| AND NOT (CMAKE_SYSTEM_NAME STREQUAL AIX)) |
| endif(ZLIB_BUILD_SHARED) |
| |
| if(ZLIB_BUILD_STATIC) |
| add_library(zlibstatic STATIC ${ZLIB_SRCS} ${ZLIB_PUBLIC_HDRS} |
| ${ZLIB_PRIVATE_HDRS}) |
| add_library(ZLIB::ZLIBSTATIC ALIAS zlibstatic) |
| target_include_directories( |
| zlibstatic |
| PUBLIC $<BUILD_INTERFACE:${zlib_BINARY_DIR}> |
| $<BUILD_INTERFACE:${zlib_SOURCE_DIR}> |
| $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>) |
| target_compile_definitions( |
| zlibstatic |
| PRIVATE ZLIB_BUILD |
| $<$<BOOL:NOT:${HAVE_FSEEKO}>:NO_FSEEKO> |
| $<$<BOOL:${HAVE___ATTR__VIS_HIDDEN}>:HAVE_HIDDEN> |
| $<$<BOOL:${MSVC}>:_CRT_SECURE_NO_DEPRECATE> |
| $<$<BOOL:${MSVC}>:_CRT_NONSTDC_NO_DEPRECATE> |
| PUBLIC $<$<BOOL:${HAVE_OFF64_T}>:_LARGEFILE64_SOURCE=1>) |
| set_target_properties( |
| zlibstatic PROPERTIES EXPORT_NAME ZLIBSTATIC OUTPUT_NAME |
| z${zlib_static_suffix}) |
| endif(ZLIB_BUILD_STATIC) |
| |
| if(ZLIB_INSTALL) |
| if(ZLIB_BUILD_SHARED) |
| install( |
| TARGETS zlib |
| COMPONENT Runtime |
| EXPORT zlibSharedExport |
| RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}" |
| ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}" |
| LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}") |
| install( |
| EXPORT zlibSharedExport |
| FILE ZLIB-shared.cmake |
| NAMESPACE ZLIB:: |
| DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/zlib) |
| if(ZLIB_INSTALL_COMPAT_DLL) |
| install( |
| FILES $<TARGET_FILE:zlib> |
| COMPONENT Runtime |
| RENAME zlib1.dll |
| DESTINATION "${CMAKE_INSTALL_BINDIR}") |
| endif(ZLIB_INSTALL_COMPAT_DLL) |
| |
| if(MSVC) |
| install( |
| FILES $<TARGET_PDB_FILE:zlib> |
| COMPONENT Runtime |
| DESTINATION ${CMAKE_INSTALL_BINDIR} |
| CONFIGURATIONS Debug OR RelWithDebInfo |
| OPTIONAL) |
| endif(MSVC) |
| endif(ZLIB_BUILD_SHARED) |
| |
| if(ZLIB_BUILD_STATIC) |
| install( |
| TARGETS zlibstatic |
| COMPONENT Development |
| EXPORT zlibStaticExport |
| RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}" |
| ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}" |
| LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}") |
| install( |
| EXPORT zlibStaticExport |
| FILE ZLIB-static.cmake |
| NAMESPACE ZLIB:: |
| DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/zlib) |
| |
| if(ZLIB_INSTALL_COMPAT_DLL AND MINGW) |
| install( |
| FILES $<TARGET_FILE:zlibstatic> |
| COMPONENT Development |
| RENAME libz.dll.a |
| DESTINATION "${CMAKE_INSTALL_LIBDIR}") |
| endif(ZLIB_INSTALL_COMPAT_DLL AND MINGW) |
| endif(ZLIB_BUILD_STATIC) |
| |
| configure_package_config_file( |
| ${zlib_SOURCE_DIR}/zlibConfig.cmake.in |
| ${zlib_BINARY_DIR}/ZLIBConfig.cmake |
| INSTALL_DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/zlib) |
| |
| write_basic_package_version_file( |
| "${zlib_BINARY_DIR}/ZLIBConfigVersion.cmake" |
| VERSION "${zlib_VERSION}" |
| COMPATIBILITY AnyNewerVersion) |
| |
| install(FILES ${zlib_BINARY_DIR}/ZLIBConfig.cmake |
| ${zlib_BINARY_DIR}/ZLIBConfigVersion.cmake |
| DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/zlib) |
| install( |
| FILES ${ZLIB_PUBLIC_HDRS} |
| COMPONENT Development |
| DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}") |
| install( |
| FILES zlib.3 |
| COMPONENT Docs |
| DESTINATION "${CMAKE_INSTALL_MANDIR}/man3") |
| install( |
| FILES LICENSE |
| doc/algorithm.txt |
| doc/crc-doc.1.0.pdf |
| doc/rfc1950.txt |
| doc/rfc1951.txt |
| doc/rfc1952.txt |
| doc/txtvsbin.txt |
| COMPONENT Docs |
| DESTINATION "${CMAKE_INSTALL_DOCDIR}/zlib") |
| install( |
| FILES ${ZLIB_PC} |
| COMPONENT Development |
| DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig") |
| endif(ZLIB_INSTALL) |
| |
| # ============================================================================ |
| # Tests |
| # ============================================================================ |
| if(ZLIB_BUILD_TESTING) |
| enable_testing() |
| add_subdirectory(test) |
| endif(ZLIB_BUILD_TESTING) |
| |
| if(ZLIB_BUILD_MINIZIP) |
| add_subdirectory(contrib/minizip/) |
| endif(ZLIB_BUILD_MINIZIP) |
