1 cmake_minimum_required(VERSION 2.4.4) 2 set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS ON) 3 4 project(zlib C) 5 6 set(VERSION "1.2.7") 7 8 set(INSTALL_BIN_DIR "${CMAKE_INSTALL_PREFIX}/bin" CACHE PATH "Installation directory for executables") 9 set(INSTALL_LIB_DIR "${CMAKE_INSTALL_PREFIX}/lib" CACHE PATH "Installation directory for libraries") 10 set(INSTALL_INC_DIR "${CMAKE_INSTALL_PREFIX}/include" CACHE PATH "Installation directory for headers") 11 set(INSTALL_MAN_DIR "${CMAKE_INSTALL_PREFIX}/share/man" CACHE PATH "Installation directory for manual pages") 12 set(INSTALL_PKGCONFIG_DIR "${CMAKE_INSTALL_PREFIX}/share/pkgconfig" CACHE PATH "Installation directory for pkgconfig (.pc) files") 13 14 include(CheckTypeSize) 15 include(CheckFunctionExists) 16 include(CheckIncludeFile) 17 include(CheckCSourceCompiles) 18 enable_testing() 19 20 check_include_file(sys/types.h HAVE_SYS_TYPES_H) 21 check_include_file(stdint.h HAVE_STDINT_H) 22 check_include_file(stddef.h HAVE_STDDEF_H) 23 24 # 25 # Check to see if we have large file support 26 # 27 set(CMAKE_REQUIRED_DEFINITIONS -D_LARGEFILE64_SOURCE=1) 28 # We add these other definitions here because CheckTypeSize.cmake 29 # in CMake 2.4.x does not automatically do so and we want 30 # compatibility with CMake 2.4.x. 31 if(HAVE_SYS_TYPES_H) 32 list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_SYS_TYPES_H) 33 endif() 34 if(HAVE_STDINT_H) 35 list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_STDINT_H) 36 endif() 37 if(HAVE_STDDEF_H) 38 list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_STDDEF_H) 39 endif() 40 check_type_size(off64_t OFF64_T) 41 if(HAVE_OFF64_T) 42 add_definitions(-D_LARGEFILE64_SOURCE=1) 43 endif() 44 set(CMAKE_REQUIRED_DEFINITIONS) # clear variable 45 46 # 47 # Check for fseeko 48 # 49 check_function_exists(fseeko HAVE_FSEEKO) 50 if(NOT HAVE_FSEEKO) 51 add_definitions(-DNO_FSEEKO) 52 endif() 53 54 # 55 # Check for unistd.h 56 # 57 check_include_file(unistd.h Z_HAVE_UNISTD_H) 58 59 if(MSVC) 60 set(CMAKE_DEBUG_POSTFIX "d") 61 add_definitions(-D_CRT_SECURE_NO_DEPRECATE) 62 add_definitions(-D_CRT_NONSTDC_NO_DEPRECATE) 63 include_directories(${CMAKE_CURRENT_SOURCE_DIR}) 64 endif() 65 66 if(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_BINARY_DIR) 67 # If we're doing an out of source build and the user has a zconf.h 68 # in their source tree... 69 if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h) 70 message(STATUS "Renaming") 71 message(STATUS " ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h") 72 message(STATUS "to 'zconf.h.included' because this file is included with zlib") 73 message(STATUS "but CMake generates it automatically in the build directory.") 74 file(RENAME ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h.included) 75 endif() 76 endif() 77 78 set(ZLIB_PC ${CMAKE_CURRENT_BINARY_DIR}/zlib.pc) 79 configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/zlib.pc.cmakein 80 ${ZLIB_PC} @ONLY) 81 configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h.cmakein 82 ${CMAKE_CURRENT_BINARY_DIR}/zconf.h @ONLY) 83 include_directories(${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_SOURCE_DIR}) 84 85 86 #============================================================================ 87 # zlib 88 #============================================================================ 89 90 set(ZLIB_PUBLIC_HDRS 91 ${CMAKE_CURRENT_BINARY_DIR}/zconf.h 92 zlib.h 93 ) 94 set(ZLIB_PRIVATE_HDRS 95 crc32.h 96 deflate.h 97 gzguts.h 98 inffast.h 99 inffixed.h 100 inflate.h 101 inftrees.h 102 trees.h 103 zutil.h 104 ) 105 set(ZLIB_SRCS 106 adler32.c 107 compress.c 108 crc32.c 109 deflate.c 110 gzclose.c 111 gzlib.c 112 gzread.c 113 gzwrite.c 114 inflate.c 115 infback.c 116 inftrees.c 117 inffast.c 118 trees.c 119 uncompr.c 120 zutil.c 121 ) 122 123 if(NOT MINGW) 124 set(ZLIB_SRCS ${ZLIB_SRCS} 125 win32/zlib1.rc # If present will override custom build rule below. 126 ) 127 endif() 128 129 # parse the full version number from zlib.h and include in ZLIB_FULL_VERSION 130 file(READ ${CMAKE_CURRENT_SOURCE_DIR}/zlib.h _zlib_h_contents) 131 string(REGEX REPLACE ".*#define[ \t]+ZLIB_VERSION[ \t]+\"([-0-9A-Za-z.]+)\".*" 132 "\\1" ZLIB_FULL_VERSION ${_zlib_h_contents}) 133 134 if(MINGW) 135 # This gets us DLL resource information when compiling on MinGW. 136 if(NOT CMAKE_RC_COMPILER) 137 SET(CMAKE_RC_COMPILER windres.exe) 138 endif() 139 140 add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj 141 COMMAND ${CMAKE_RC_COMPILER} 142 -D GCC_WINDRES 143 -I ${CMAKE_CURRENT_SOURCE_DIR} 144 -I ${CMAKE_CURRENT_BINARY_DIR} 145 -o ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj 146 -i ${CMAKE_CURRENT_SOURCE_DIR}/win32/zlib1.rc) 147 set(ZLIB_SRCS ${ZLIB_SRCS} ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj) 148 endif(MINGW) 149 150 add_library(zlib SHARED ${ZLIB_SRCS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS}) 151 add_library(zlibstatic STATIC ${ZLIB_SRCS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS}) 152 set_target_properties(zlib PROPERTIES DEFINE_SYMBOL ZLIB_DLL) 153 set_target_properties(zlib PROPERTIES SOVERSION 1) 154 155 if(NOT CYGWIN) 156 # This property causes shared libraries on Linux to have the full version 157 # encoded into their final filename. We disable this on Cygwin because 158 # it causes cygz-${ZLIB_FULL_VERSION}.dll to be created when cygz.dll 159 # seems to be the default. 160 # 161 # This has no effect with MSVC, on that platform the version info for 162 # the DLL comes from the resource file win32/zlib1.rc 163 set_target_properties(zlib PROPERTIES VERSION ${ZLIB_FULL_VERSION}) 164 endif() 165 166 if(UNIX) 167 # On unix-like platforms the library is almost always called libz 168 set_target_properties(zlib zlibstatic PROPERTIES OUTPUT_NAME z) 169 set_target_properties(zlib PROPERTIES LINK_FLAGS "-Wl,--version-script,${CMAKE_CURRENT_SOURCE_DIR}/zlib.map") 170 elseif(BUILD_SHARED_LIBS AND WIN32) 171 # Creates zlib1.dll when building shared library version 172 set_target_properties(zlib PROPERTIES SUFFIX "1.dll") 173 endif() 174 175 if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL ) 176 install(TARGETS zlib zlibstatic 177 RUNTIME DESTINATION "${INSTALL_BIN_DIR}" 178 ARCHIVE DESTINATION "${INSTALL_LIB_DIR}" 179 LIBRARY DESTINATION "${INSTALL_LIB_DIR}" ) 180 endif() 181 if(NOT SKIP_INSTALL_HEADERS AND NOT SKIP_INSTALL_ALL ) 182 install(FILES ${ZLIB_PUBLIC_HDRS} DESTINATION "${INSTALL_INC_DIR}") 183 endif() 184 if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL ) 185 install(FILES zlib.3 DESTINATION "${INSTALL_MAN_DIR}/man3") 186 endif() 187 if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL ) 188 install(FILES ${ZLIB_PC} DESTINATION "${INSTALL_PKGCONFIG_DIR}") 189 endif() 190 191 #============================================================================ 192 # Example binaries 193 #============================================================================ 194 195 add_executable(example test/example.c) 196 target_link_libraries(example zlib) 197 add_test(example example) 198 199 add_executable(minigzip test/minigzip.c) 200 target_link_libraries(minigzip zlib) 201 202 if(HAVE_OFF64_T) 203 add_executable(example64 test/example.c) 204 target_link_libraries(example64 zlib) 205 set_target_properties(example64 PROPERTIES COMPILE_FLAGS "-D_FILE_OFFSET_BITS=64") 206 add_test(example64 example64) 207 208 add_executable(minigzip64 test/minigzip.c) 209 target_link_libraries(minigzip64 zlib) 210 set_target_properties(minigzip64 PROPERTIES COMPILE_FLAGS "-D_FILE_OFFSET_BITS=64") 211 endif() 212
