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