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Diffstat (limited to 'zlib/CMakeLists.txt')
| -rw-r--r-- | zlib/CMakeLists.txt | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/zlib/CMakeLists.txt b/zlib/CMakeLists.txt new file mode 100644 index 0000000..a64fe0b --- /dev/null +++ b/zlib/CMakeLists.txt @@ -0,0 +1,190 @@ +cmake_minimum_required(VERSION 2.4.4) +set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS ON) + +project(zlib C) + +if(NOT DEFINED BUILD_SHARED_LIBS) + option(BUILD_SHARED_LIBS "Build a shared library form of zlib" ON) +endif() + +include(CheckTypeSize) +include(CheckFunctionExists) +include(CheckIncludeFile) +include(CheckCSourceCompiles) +enable_testing() + +check_include_file(sys/types.h HAVE_SYS_TYPES_H) +check_include_file(stdint.h HAVE_STDINT_H) +check_include_file(stddef.h HAVE_STDDEF_H) + +# +# Check to see if we have large file support +# +set(CMAKE_REQUIRED_DEFINITIONS -D_LARGEFILE64_SOURCE=1) +# We add these other definitions here because CheckTypeSize.cmake +# in CMake 2.4.x does not automatically do so and we want +# compatibility with CMake 2.4.x. +if(HAVE_SYS_TYPES_H) + list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_SYS_TYPES_H) +endif() +if(HAVE_STDINT_H) + list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_STDINT_H) +endif() +if(HAVE_STDDEF_H) + list(APPEND CMAKE_REQUIRED_DEFINITIONS -DHAVE_STDDEF_H) +endif() +check_type_size(off64_t OFF64_T) +if(HAVE_OFF64_T) + add_definitions(-D_LARGEFILE64_SOURCE=1) +endif() +set(CMAKE_REQUIRED_DEFINITIONS) # clear variable + +# +# Check for fseeko +# +check_function_exists(fseeko HAVE_FSEEKO) +if(NOT HAVE_FSEEKO) + add_definitions(-DNO_FSEEKO) +endif() + +# +# Check for unistd.h +# +check_include_file(unistd.h Z_HAVE_UNISTD_H) + +if(MSVC) + set(CMAKE_DEBUG_POSTFIX "d") + add_definitions(-D_CRT_SECURE_NO_DEPRECATE) + add_definitions(-D_CRT_NONSTDC_NO_DEPRECATE) +endif() + +if(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_BINARY_DIR) + # If we're doing an out of source build and the user has a zconf.h + # in their source tree... + if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h) + message(FATAL_ERROR + "You must remove ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h " + "from the source tree. This file is included with zlib " + "but CMake generates this file for you automatically " + "in the build directory.") + endif() +endif() + +configure_file(${CMAKE_CURRENT_SOURCE_DIR}/zconf.h.cmakein + ${CMAKE_CURRENT_BINARY_DIR}/zconf.h @ONLY) +include_directories(${CMAKE_CURRENT_BINARY_DIR}) + + +#============================================================================ +# zlib +#============================================================================ + +set(ZLIB_PUBLIC_HDRS + ${CMAKE_CURRENT_BINARY_DIR}/zconf.h + zlib.h +) +set(ZLIB_PRIVATE_HDRS + crc32.h + deflate.h + gzguts.h + inffast.h + inffixed.h + inflate.h + inftrees.h + trees.h + zutil.h +) +set(ZLIB_SRCS + adler32.c + compress.c + crc32.c + deflate.c + gzclose.c + gzlib.c + gzread.c + gzwrite.c + inflate.c + infback.c + inftrees.c + inffast.c + trees.c + uncompr.c + zutil.c + win32/zlib1.rc +) + +# parse the full version number from zlib.h and include in ZLIB_FULL_VERSION +file(READ ${CMAKE_CURRENT_SOURCE_DIR}/zlib.h _zlib_h_contents) +string(REGEX REPLACE ".*#define[ \t]+ZLIB_VERSION[ \t]+\"([0-9A-Za-z.]+)\".*" + "\\1" ZLIB_FULL_VERSION ${_zlib_h_contents}) + +if(MINGW) + # This gets us DLL resource information when compiling on MinGW. + add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj + COMMAND windres.exe + -D GCC_WINDRES + -I ${CMAKE_CURRENT_SOURCE_DIR} + -I ${CMAKE_CURRENT_BINARY_DIR} + -o ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj + -i ${CMAKE_CURRENT_SOURCE_DIR}/win32/zlib1.rc) + set(ZLIB_SRCS ${ZLIB_SRCS} ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj) +endif(MINGW) + +add_library(zlib ${ZLIB_SRCS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS}) +set_target_properties(zlib PROPERTIES DEFINE_SYMBOL ZLIB_DLL) + +set_target_properties(zlib PROPERTIES SOVERSION 1) + +if(NOT CYGWIN) + # This property causes shared libraries on Linux to have the full version + # encoded into their final filename. We disable this on Cygwin because + # it causes cygz-${ZLIB_FULL_VERSION}.dll to be created when cygz.dll + # seems to be the default. + # + # This has no effect with MSVC, on that platform the version info for + # the DLL comes from the resource file win32/zlib1.rc + set_target_properties(zlib PROPERTIES VERSION ${ZLIB_FULL_VERSION}) +endif() + +if(UNIX) + # On unix-like platforms the library is almost always called libz + set_target_properties(zlib PROPERTIES OUTPUT_NAME z) +elseif(BUILD_SHARED_LIBS AND WIN32) + # Creates zlib1.dll when building shared library version + set_target_properties(zlib PROPERTIES SUFFIX "1.dll") +endif() + +if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL ) + install(TARGETS zlib + RUNTIME DESTINATION bin + ARCHIVE DESTINATION lib + LIBRARY DESTINATION lib ) +endif() +if(NOT SKIP_INSTALL_HEADERS AND NOT SKIP_INSTALL_ALL ) + install(FILES ${ZLIB_PUBLIC_HDRS} DESTINATION include) +endif() +if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL ) + install(FILES zlib.3 DESTINATION share/man/man3) +endif() + +#============================================================================ +# Example binaries +#============================================================================ + +add_executable(example example.c) +target_link_libraries(example zlib) +add_test(example example) + +add_executable(minigzip minigzip.c) +target_link_libraries(minigzip zlib) + +if(HAVE_OFF64_T) + add_executable(example64 example.c) + target_link_libraries(example64 zlib) + set_target_properties(example64 PROPERTIES COMPILE_FLAGS "-D_FILE_OFFSET_BITS=64") + add_test(example64 example64) + + add_executable(minigzip64 minigzip.c) + target_link_libraries(minigzip64 zlib) + set_target_properties(minigzip64 PROPERTIES COMPILE_FLAGS "-D_FILE_OFFSET_BITS=64") +endif() |