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@@ -0,0 +1,181 @@
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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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+if(NOT DEFINED BUILD_SHARED_LIBS)
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+ option(BUILD_SHARED_LIBS "Build a shared library form of zlib" ON)
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+endif()
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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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+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(FATAL_ERROR
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+ "You must remove ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h "
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+ "from the source tree. This file is included with zlib "
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+ "but CMake generates this file for you automatically "
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+ "in the build directory.")
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+ endif()
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+endif()
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+
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+configure_file(${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})
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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_SRCS ${ZLIB_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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+# 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_SRCS ${ZLIB_SRCS} ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj)
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+endif(MINGW)
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+
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+add_library(zlib ${ZLIB_SRCS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS})
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+set_target_properties(zlib PROPERTIES DEFINE_SYMBOL ZLIB_DLL)
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+
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+set_target_properties(zlib PROPERTIES SOVERSION 1)
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+
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+if(NOT CYGWIN)
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+ # This property causes shared libraries on Linux to have the full version
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+ # encoded into their final filename. We disable this on Cygwin because
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+ # it causes cygz-${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 PROPERTIES OUTPUT_NAME z)
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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
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+ RUNTIME DESTINATION bin
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+ ARCHIVE DESTINATION lib
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+ LIBRARY DESTINATION lib )
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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 include)
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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 share/man/man3)
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+endif()
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+
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+#============================================================================
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+# Omit example binaries
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+#============================================================================
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mcc