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226 lines
7.0 KiB
226 lines
7.0 KiB
cmake_minimum_required(VERSION 3.5) |
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set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS ON) |
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project(zlib |
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LANGUAGES C |
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VERSION 1.3.1.1) |
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option(ZLIB_BUILD_EXAMPLES "Enable Zlib Examples" ON) |
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option(ZLIB_BUILD_SHARED "Enable building zlib shared library" ON) |
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option(ZLIB_BUILD_STATIC "Enable building zlib static library" ON) |
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if(WIN32) |
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option(ZLIB_INSTALL_COMPAT_DLL "Install a copy as zlib1.dll" ON) |
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endif(WIN32) |
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include(CheckTypeSize) |
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include(CheckFunctionExists) |
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include(CheckIncludeFile) |
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include(CheckCSourceCompiles) |
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include(GNUInstallDirs) |
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enable_testing() |
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# |
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# Check to see if we have large file support |
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# |
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set(CMAKE_REQUIRED_DEFINITIONS -D_LARGEFILE64_SOURCE=1) |
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check_type_size(off64_t OFF64_T) |
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if(HAVE_OFF64_T) |
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add_definitions(-D_LARGEFILE64_SOURCE=1) |
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endif() |
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set(CMAKE_REQUIRED_DEFINITIONS) # clear variable |
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# |
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# Check for fseeko |
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# |
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check_function_exists(fseeko HAVE_FSEEKO) |
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if(NOT HAVE_FSEEKO) |
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add_definitions(-DNO_FSEEKO) |
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endif() |
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# |
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# Check for unistd.h |
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# |
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check_include_file(unistd.h Z_HAVE_UNISTD_H) |
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if(MSVC) |
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add_definitions(-D_CRT_SECURE_NO_DEPRECATE) |
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add_definitions(-D_CRT_NONSTDC_NO_DEPRECATE) |
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endif() |
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set(ZLIB_PC ${zlib_BINARY_DIR}/zlib.pc) |
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configure_file( ${zlib_SOURCE_DIR}/zlib.pc.cmakein |
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${ZLIB_PC} @ONLY) |
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configure_file( ${zlib_SOURCE_DIR}/zconf.h.cmakein |
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${zlib_BINARY_DIR}/zconf.h @ONLY) |
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include_directories(${zlib_BINARY_DIR} ${zlib_SOURCE_DIR}) |
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#============================================================================ |
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# zlib |
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#============================================================================ |
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set(ZLIB_PUBLIC_HDRS |
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${zlib_BINARY_DIR}/zconf.h |
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zlib.h |
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) |
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set(ZLIB_PRIVATE_HDRS |
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crc32.h |
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deflate.h |
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gzguts.h |
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inffast.h |
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inffixed.h |
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inflate.h |
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inftrees.h |
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trees.h |
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zutil.h |
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) |
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set(ZLIB_SRCS |
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adler32.c |
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compress.c |
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crc32.c |
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deflate.c |
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gzclose.c |
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gzlib.c |
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gzread.c |
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gzwrite.c |
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inflate.c |
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infback.c |
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inftrees.c |
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inffast.c |
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trees.c |
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uncompr.c |
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zutil.c |
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) |
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if(NOT MINGW) |
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set(ZLIB_DLL_SRCS |
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win32/zlib1.rc # If present will override custom build rule below. |
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) |
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endif() |
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# parse the full version number from zlib.h and include in ZLIB_FULL_VERSION |
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file(READ ${zlib_SOURCE_DIR}/zlib.h _zlib_h_contents) |
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string(REGEX REPLACE ".*#define[ \t]+ZLIB_VERSION[ \t]+\"([-0-9A-Za-z.]+)\".*" |
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"\\1" ZLIB_VERSION ${_zlib_h_contents}) |
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if(MINGW) |
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# This gets us DLL resource information when compiling on MinGW. |
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if(NOT CMAKE_RC_COMPILER) |
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set(CMAKE_RC_COMPILER windres.exe) |
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endif() |
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add_custom_command(OUTPUT ${zlib_BINARY_DIR}/zlib1rc.obj |
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COMMAND ${CMAKE_RC_COMPILER} |
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-D GCC_WINDRES |
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-I ${zlib_SOURCE_DIR} |
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-I ${zlib_BINARY_DIR} |
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-o ${zlib_BINARY_DIR}/zlib1rc.obj |
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-i ${zlib_SOURCE_DIR}/win32/zlib1.rc) |
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set(ZLIB_DLL_SRCS ${zlib_BINARY_DIR}/zlib1rc.obj) |
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endif(MINGW) |
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if(WIN32) |
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set (zlib_static_suffix "s") |
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set (zlib_debug_suffix "d") |
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endif(WIN32) |
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if(ZLIB_BUILD_SHARED) |
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add_library(zlib SHARED ${ZLIB_SRCS} ${ZLIB_DLL_SRCS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS}) |
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target_include_directories(zlib PUBLIC |
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$<BUILD_INTERFACE:${zlib_BINARY_DIR}> |
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$<BUILD_INTERFACE:${zlib_SOURCE_DIR}>) |
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set_target_properties(zlib PROPERTIES |
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DEFINE_SYMBOL ZLIB_DLL |
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SOVERSION 1 |
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PROPERTIES OUTPUT_NAME z |
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PROPERTIES OUTPUT_NAME_DEBUG z${zlib_debug_suffix}) |
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if(UNIX AND NOT APPLE AND NOT(CMAKE_SYSTEM_NAME STREQUAL AIX)) |
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# On unix-like platforms the library is almost always called libz |
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set_target_properties(zlib PROPERTIES |
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LINK_FLAGS "-Wl,--version-script,\"${zlib_SOURCE_DIR}/zlib.map\"") |
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endif(UNIX AND NOT APPLE AND NOT(CMAKE_SYSTEM_NAME STREQUAL AIX)) |
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endif(ZLIB_BUILD_SHARED) |
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if(ZLIB_BUILD_STATIC) |
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add_library(zlibstatic STATIC ${ZLIB_SRCS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS}) |
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target_include_directories(zlibstatic PUBLIC |
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$<BUILD_INTERFACE:${zlib_BINARY_DIR}> |
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$<BUILD_INTERFACE:${zlib_SOURCE_DIR}>) |
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set_target_properties(zlibstatic PROPERTIES |
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PROPERTIES OUTPUT_NAME z${zlib_static_suffix} |
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PROPERTIES OUTPUT_NAME_DEBUG z${zlib_static_suffix}${zlib_debug_suffix}) |
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endif(ZLIB_BUILD_STATIC) |
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if(NOT CYGWIN AND ZLIB_BUILD_SHARED) |
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# This property causes shared libraries on Linux to have the full version |
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# encoded into their final filename. We disable this on Cygwin because |
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# it causes cygz-${ZLIB_FULL_VERSION}.dll to be created when cygz.dll |
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# seems to be the default. |
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# |
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# This has no effect with MSVC, on that platform the version info for |
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# the DLL comes from the resource file win32/zlib1.rc |
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set_target_properties(zlib PROPERTIES VERSION ${zlib_VERSION}) |
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endif() |
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if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL ) |
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if(ZLIB_BUILD_SHARED) |
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install(TARGETS zlib |
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RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}" |
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ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}" |
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LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}") |
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if(ZLIB_INSTALL_COMPAT_DLL) |
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install(FILES $<TARGET_FILE:zlib> |
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RENAME zlib1.dll |
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DESTINATION "${CMAKE_INSTALL_BINDIR}") |
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endif(ZLIB_INSTALL_COMPAT_DLL) |
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if(MSVC) |
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install(FILES $<TARGET_PDB_FILE:zlib> |
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DESTINATION ${CMAKE_INSTALL_BINDIR} |
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CONFIGURATIONS Debug OR RelWithDebInfo |
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OPTIONAL |
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) |
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endif(MSVC) |
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endif(ZLIB_BUILD_SHARED) |
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if(ZLIB_BUILD_STATIC) |
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install(TARGETS zlibstatic |
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RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}" |
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ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}" |
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LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}") |
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endif(ZLIB_BUILD_STATIC) |
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endif() |
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if(NOT SKIP_INSTALL_HEADERS AND NOT SKIP_INSTALL_ALL ) |
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install(FILES ${ZLIB_PUBLIC_HDRS} DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}") |
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endif() |
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if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL ) |
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install(FILES zlib.3 DESTINATION "${CMAKE_INSTALL_MANDIR}/man3") |
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endif() |
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if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL ) |
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install(FILES ${ZLIB_PC} DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig") |
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endif() |
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#============================================================================ |
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# Example binaries |
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#============================================================================ |
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if(ZLIB_BUILD_EXAMPLES) |
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add_executable(zlib_example test/example.c) |
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target_link_libraries(zlib_example zlib) |
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add_test(zlib_example zlib_example) |
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add_executable(minigzip test/minigzip.c) |
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target_link_libraries(minigzip zlib) |
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if(HAVE_OFF64_T) |
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add_executable(zlib_example64 test/example.c) |
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target_link_libraries(zlib_example64 zlib) |
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set_target_properties(zlib_example64 PROPERTIES COMPILE_FLAGS "-D_FILE_OFFSET_BITS=64") |
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add_test(zlib_example64 zlib_example64) |
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add_executable(minigzip64 test/minigzip.c) |
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target_link_libraries(minigzip64 zlib) |
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set_target_properties(minigzip64 PROPERTIES COMPILE_FLAGS "-D_FILE_OFFSET_BITS=64") |
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endif() |
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endif()
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