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cmake_minimum_required(VERSION 2.4.4) |
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set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS ON) |
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|
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project(zlib C) |
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|
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set(VERSION "1.2.8") |
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|
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option(ASM686 "Enable building i686 assembly implementation") |
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option(AMD64 "Enable building amd64 assembly implementation") |
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|
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set(INSTALL_BIN_DIR "${CMAKE_INSTALL_PREFIX}/bin" CACHE PATH "Installation directory for executables") |
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set(INSTALL_LIB_DIR "${CMAKE_INSTALL_PREFIX}/lib" CACHE PATH "Installation directory for libraries") |
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set(INSTALL_INC_DIR "${CMAKE_INSTALL_PREFIX}/include" CACHE PATH "Installation directory for headers") |
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set(INSTALL_MAN_DIR "${CMAKE_INSTALL_PREFIX}/share/man" CACHE PATH "Installation directory for manual pages") |
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set(INSTALL_PKGCONFIG_DIR "${CMAKE_INSTALL_PREFIX}/share/pkgconfig" CACHE PATH "Installation directory for pkgconfig (.pc) files") |
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|
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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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enable_testing() |
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|
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check_include_file(sys/types.h HAVE_SYS_TYPES_H) |
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check_include_file(stdint.h HAVE_STDINT_H) |
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check_include_file(stddef.h HAVE_STDDEF_H) |
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|
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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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# We add these other definitions here because CheckTypeSize.cmake |
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# in CMake 2.4.x does not automatically do so and we want |
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# compatibility with CMake 2.4.x. |
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if(HAVE_SYS_TYPES_H) |
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list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_SYS_TYPES_H) |
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endif() |
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if(HAVE_STDINT_H) |
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list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_STDINT_H) |
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endif() |
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if(HAVE_STDDEF_H) |
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list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_STDDEF_H) |
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endif() |
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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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# |
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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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# |
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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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|
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if(MSVC) |
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set(CMAKE_DEBUG_POSTFIX "d") |
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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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include_directories(${CMAKE_CURRENT_SOURCE_DIR}) |
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endif() |
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|
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if(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_BINARY_DIR) |
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# If we're doing an out of source build and the user has a zconf.h |
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# in their source tree... |
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if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h) |
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message(STATUS "Renaming") |
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message(STATUS " ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h") |
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message(STATUS "to 'zconf.h.included' because this file is included with zlib") |
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message(STATUS "but CMake generates it automatically in the build directory.") |
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file(RENAME ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h.included) |
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endif() |
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endif() |
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|
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set(ZLIB_PC ${CMAKE_CURRENT_BINARY_DIR}/zlib.pc) |
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configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/zlib.pc.cmakein |
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${ZLIB_PC} @ONLY) |
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configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h.cmakein |
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${CMAKE_CURRENT_BINARY_DIR}/zconf.h @ONLY) |
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include_directories(${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_SOURCE_DIR}) |
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|
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|
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#============================================================================ |
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# zlib |
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#============================================================================ |
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|
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set(ZLIB_PUBLIC_HDRS |
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${CMAKE_CURRENT_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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|
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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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|
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if(CMAKE_COMPILER_IS_GNUCC) |
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if(ASM686) |
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set(ZLIB_ASMS contrib/asm686/match.S) |
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elseif (AMD64) |
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set(ZLIB_ASMS contrib/amd64/amd64-match.S) |
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endif () |
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|
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if(ZLIB_ASMS) |
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add_definitions(-DASMV) |
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set_source_files_properties(${ZLIB_ASMS} PROPERTIES LANGUAGE C COMPILE_FLAGS -DNO_UNDERLINE) |
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endif() |
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endif() |
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|
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if(MSVC) |
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if(ASM686) |
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ENABLE_LANGUAGE(ASM_MASM) |
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set(ZLIB_ASMS |
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contrib/masmx86/inffas32.asm |
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contrib/masmx86/match686.asm |
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) |
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elseif (AMD64) |
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ENABLE_LANGUAGE(ASM_MASM) |
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set(ZLIB_ASMS |
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contrib/masmx64/gvmat64.asm |
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contrib/masmx64/inffasx64.asm |
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) |
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endif() |
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|
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if(ZLIB_ASMS) |
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add_definitions(-DASMV -DASMINF) |
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endif() |
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endif() |
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|
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# parse the full version number from zlib.h and include in ZLIB_FULL_VERSION |
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file(READ ${CMAKE_CURRENT_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_FULL_VERSION ${_zlib_h_contents}) |
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|
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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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|
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add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj |
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COMMAND ${CMAKE_RC_COMPILER} |
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-D GCC_WINDRES |
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-I ${CMAKE_CURRENT_SOURCE_DIR} |
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-I ${CMAKE_CURRENT_BINARY_DIR} |
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-o ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj |
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-i ${CMAKE_CURRENT_SOURCE_DIR}/win32/zlib1.rc) |
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set(ZLIB_DLL_SRCS ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj) |
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endif(MINGW) |
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|
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add_library(zlib SHARED ${ZLIB_SRCS} ${ZLIB_ASMS} ${ZLIB_DLL_SRCS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS}) |
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add_library(zlibstatic STATIC ${ZLIB_SRCS} ${ZLIB_ASMS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS}) |
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set_target_properties(zlib PROPERTIES DEFINE_SYMBOL ZLIB_DLL) |
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set_target_properties(zlib PROPERTIES SOVERSION 1) |
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|
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if(NOT CYGWIN) |
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# This property causes shared libraries on Linux to have the full version |
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# encoded into their final filename. We disable this on Cygwin because |
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# it causes cygz-${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 ${ZLIB_FULL_VERSION}) |
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endif() |
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|
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if(UNIX) |
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# On unix-like platforms the library is almost always called libz |
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set_target_properties(zlib zlibstatic PROPERTIES OUTPUT_NAME z) |
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if(NOT APPLE) |
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set_target_properties(zlib PROPERTIES LINK_FLAGS "-Wl,--version-script,\"${CMAKE_CURRENT_SOURCE_DIR}/zlib.map\"") |
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endif() |
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elseif(BUILD_SHARED_LIBS AND WIN32) |
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# Creates zlib1.dll when building shared library version |
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set_target_properties(zlib PROPERTIES SUFFIX "1.dll") |
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endif() |
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|
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if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL ) |
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install(TARGETS zlib zlibstatic |
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RUNTIME DESTINATION "${INSTALL_BIN_DIR}" |
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ARCHIVE DESTINATION "${INSTALL_LIB_DIR}" |
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LIBRARY DESTINATION "${INSTALL_LIB_DIR}" ) |
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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 ${ZLIB_PUBLIC_HDRS} DESTINATION "${INSTALL_INC_DIR}") |
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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 "${INSTALL_MAN_DIR}/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 ${ZLIB_PC} DESTINATION "${INSTALL_PKGCONFIG_DIR}") |
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endif() |
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|
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#============================================================================ |
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# Example binaries |
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#============================================================================ |
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|
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add_executable(example test/example.c) |
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target_link_libraries(example zlib) |
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add_test(example example) |
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|
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add_executable(minigzip test/minigzip.c) |
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target_link_libraries(minigzip zlib) |
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|
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if(HAVE_OFF64_T) |
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add_executable(example64 test/example.c) |
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target_link_libraries(example64 zlib) |
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set_target_properties(example64 PROPERTIES COMPILE_FLAGS "-D_FILE_OFFSET_BITS=64") |
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add_test(example64 example64) |
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|
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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() |
