1cmake_minimum_required(VERSION 2.4.4) 2set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS ON) 3 4project(zlib C) 5 6set(VERSION "1.2.8") 7 8option(ASM686 "Enable building i686 assembly implementation") 9option(AMD64 "Enable building amd64 assembly implementation") 10 11set(INSTALL_BIN_DIR "${CMAKE_INSTALL_PREFIX}/bin" CACHE PATH "Installation directory for executables") 12set(INSTALL_LIB_DIR "${CMAKE_INSTALL_PREFIX}/lib" CACHE PATH "Installation directory for libraries") 13set(INSTALL_INC_DIR "${CMAKE_INSTALL_PREFIX}/include" CACHE PATH "Installation directory for headers") 14set(INSTALL_MAN_DIR "${CMAKE_INSTALL_PREFIX}/share/man" CACHE PATH "Installation directory for manual pages") 15set(INSTALL_PKGCONFIG_DIR "${CMAKE_INSTALL_PREFIX}/share/pkgconfig" CACHE PATH "Installation directory for pkgconfig (.pc) files") 16 17include(CheckTypeSize) 18include(CheckFunctionExists) 19include(CheckIncludeFile) 20include(CheckCSourceCompiles) 21enable_testing() 22 23check_include_file(sys/types.h HAVE_SYS_TYPES_H) 24check_include_file(stdint.h HAVE_STDINT_H) 25check_include_file(stddef.h HAVE_STDDEF_H) 26 27# 28# Check to see if we have large file support 29# 30set(CMAKE_REQUIRED_DEFINITIONS -D_LARGEFILE64_SOURCE=1) 31# We add these other definitions here because CheckTypeSize.cmake 32# in CMake 2.4.x does not automatically do so and we want 33# compatibility with CMake 2.4.x. 34if(HAVE_SYS_TYPES_H) 35 list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_SYS_TYPES_H) 36endif() 37if(HAVE_STDINT_H) 38 list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_STDINT_H) 39endif() 40if(HAVE_STDDEF_H) 41 list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_STDDEF_H) 42endif() 43check_type_size(off64_t OFF64_T) 44if(HAVE_OFF64_T) 45 add_definitions(-D_LARGEFILE64_SOURCE=1) 46endif() 47set(CMAKE_REQUIRED_DEFINITIONS) # clear variable 48 49# 50# Check for fseeko 51# 52check_function_exists(fseeko HAVE_FSEEKO) 53if(NOT HAVE_FSEEKO) 54 add_definitions(-DNO_FSEEKO) 55endif() 56 57# 58# Check for unistd.h 59# 60check_include_file(unistd.h Z_HAVE_UNISTD_H) 61 62if(MSVC) 63 set(CMAKE_DEBUG_POSTFIX "d") 64 add_definitions(-D_CRT_SECURE_NO_DEPRECATE) 65 add_definitions(-D_CRT_NONSTDC_NO_DEPRECATE) 66 include_directories(${CMAKE_CURRENT_SOURCE_DIR}) 67endif() 68 69if(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_BINARY_DIR) 70 # If we're doing an out of source build and the user has a zconf.h 71 # in their source tree... 72 if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h) 73 message(STATUS "Renaming") 74 message(STATUS " ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h") 75 message(STATUS "to 'zconf.h.included' because this file is included with zlib") 76 message(STATUS "but CMake generates it automatically in the build directory.") 77 file(RENAME ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h.included) 78 endif() 79endif() 80 81set(ZLIB_PC ${CMAKE_CURRENT_BINARY_DIR}/zlib.pc) 82configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/zlib.pc.cmakein 83 ${ZLIB_PC} @ONLY) 84configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h.cmakein 85 ${CMAKE_CURRENT_BINARY_DIR}/zconf.h @ONLY) 86include_directories(${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_SOURCE_DIR}) 87 88 89#============================================================================ 90# zlib 91#============================================================================ 92 93set(ZLIB_PUBLIC_HDRS 94 ${CMAKE_CURRENT_BINARY_DIR}/zconf.h 95 zlib.h 96) 97set(ZLIB_PRIVATE_HDRS 98 crc32.h 99 deflate.h 100 gzguts.h 101 inffast.h 102 inffixed.h 103 inflate.h 104 inftrees.h 105 trees.h 106 zutil.h 107) 108set(ZLIB_SRCS 109 adler32.c 110 compress.c 111 crc32.c 112 deflate.c 113 gzclose.c 114 gzlib.c 115 gzread.c 116 gzwrite.c 117 inflate.c 118 infback.c 119 inftrees.c 120 inffast.c 121 trees.c 122 uncompr.c 123 zutil.c 124) 125 126if(NOT MINGW) 127 set(ZLIB_DLL_SRCS 128 win32/zlib1.rc # If present will override custom build rule below. 129 ) 130endif() 131 132if(CMAKE_COMPILER_IS_GNUCC) 133 if(ASM686) 134 set(ZLIB_ASMS contrib/asm686/match.S) 135 elseif (AMD64) 136 set(ZLIB_ASMS contrib/amd64/amd64-match.S) 137 endif () 138 139 if(ZLIB_ASMS) 140 add_definitions(-DASMV) 141 set_source_files_properties(${ZLIB_ASMS} PROPERTIES LANGUAGE C COMPILE_FLAGS -DNO_UNDERLINE) 142 endif() 143endif() 144 145if(MSVC) 146 if(ASM686) 147 ENABLE_LANGUAGE(ASM_MASM) 148 set(ZLIB_ASMS 149 contrib/masmx86/inffas32.asm 150 contrib/masmx86/match686.asm 151 ) 152 elseif (AMD64) 153 ENABLE_LANGUAGE(ASM_MASM) 154 set(ZLIB_ASMS 155 contrib/masmx64/gvmat64.asm 156 contrib/masmx64/inffasx64.asm 157 ) 158 endif() 159 160 if(ZLIB_ASMS) 161 add_definitions(-DASMV -DASMINF) 162 endif() 163endif() 164 165# parse the full version number from zlib.h and include in ZLIB_FULL_VERSION 166file(READ ${CMAKE_CURRENT_SOURCE_DIR}/zlib.h _zlib_h_contents) 167string(REGEX REPLACE ".*#define[ \t]+ZLIB_VERSION[ \t]+\"([-0-9A-Za-z.]+)\".*" 168 "\\1" ZLIB_FULL_VERSION ${_zlib_h_contents}) 169 170if(MINGW) 171 # This gets us DLL resource information when compiling on MinGW. 172 if(NOT CMAKE_RC_COMPILER) 173 set(CMAKE_RC_COMPILER windres.exe) 174 endif() 175 176 add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj 177 COMMAND ${CMAKE_RC_COMPILER} 178 -D GCC_WINDRES 179 -I ${CMAKE_CURRENT_SOURCE_DIR} 180 -I ${CMAKE_CURRENT_BINARY_DIR} 181 -o ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj 182 -i ${CMAKE_CURRENT_SOURCE_DIR}/win32/zlib1.rc) 183 set(ZLIB_DLL_SRCS ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj) 184endif(MINGW) 185 186add_library(zlib SHARED ${ZLIB_SRCS} ${ZLIB_ASMS} ${ZLIB_DLL_SRCS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS}) 187add_library(zlibstatic STATIC ${ZLIB_SRCS} ${ZLIB_ASMS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS}) 188set_target_properties(zlib PROPERTIES DEFINE_SYMBOL ZLIB_DLL) 189set_target_properties(zlib PROPERTIES SOVERSION 1) 190 191if(NOT CYGWIN) 192 # This property causes shared libraries on Linux to have the full version 193 # encoded into their final filename. We disable this on Cygwin because 194 # it causes cygz-${ZLIB_FULL_VERSION}.dll to be created when cygz.dll 195 # seems to be the default. 196 # 197 # This has no effect with MSVC, on that platform the version info for 198 # the DLL comes from the resource file win32/zlib1.rc 199 set_target_properties(zlib PROPERTIES VERSION ${ZLIB_FULL_VERSION}) 200endif() 201 202if(UNIX) 203 # On unix-like platforms the library is almost always called libz 204 set_target_properties(zlib zlibstatic PROPERTIES OUTPUT_NAME z) 205 if(NOT APPLE) 206 set_target_properties(zlib PROPERTIES LINK_FLAGS "-Wl,--version-script,\"${CMAKE_CURRENT_SOURCE_DIR}/zlib.map\"") 207 endif() 208elseif(BUILD_SHARED_LIBS AND WIN32) 209 # Creates zlib1.dll when building shared library version 210 set_target_properties(zlib PROPERTIES SUFFIX "1.dll") 211endif() 212 213if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL ) 214 install(TARGETS zlib zlibstatic 215 RUNTIME DESTINATION "${INSTALL_BIN_DIR}" 216 ARCHIVE DESTINATION "${INSTALL_LIB_DIR}" 217 LIBRARY DESTINATION "${INSTALL_LIB_DIR}" ) 218endif() 219if(NOT SKIP_INSTALL_HEADERS AND NOT SKIP_INSTALL_ALL ) 220 install(FILES ${ZLIB_PUBLIC_HDRS} DESTINATION "${INSTALL_INC_DIR}") 221endif() 222if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL ) 223 install(FILES zlib.3 DESTINATION "${INSTALL_MAN_DIR}/man3") 224endif() 225if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL ) 226 install(FILES ${ZLIB_PC} DESTINATION "${INSTALL_PKGCONFIG_DIR}") 227endif() 228 229#============================================================================ 230# Example binaries 231#============================================================================ 232 233add_executable(example test/example.c) 234target_link_libraries(example zlib) 235add_test(example example) 236 237add_executable(minigzip test/minigzip.c) 238target_link_libraries(minigzip zlib) 239 240if(HAVE_OFF64_T) 241 add_executable(example64 test/example.c) 242 target_link_libraries(example64 zlib) 243 set_target_properties(example64 PROPERTIES COMPILE_FLAGS "-D_FILE_OFFSET_BITS=64") 244 add_test(example64 example64) 245 246 add_executable(minigzip64 test/minigzip.c) 247 target_link_libraries(minigzip64 zlib) 248 set_target_properties(minigzip64 PROPERTIES COMPILE_FLAGS "-D_FILE_OFFSET_BITS=64") 249endif() 250