121 lines
3.5 KiB
CMake
121 lines
3.5 KiB
CMake
set(ZLIB_DIR "${CMAKE_CURRENT_SOURCE_DIR}/zlib" )
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# these options are problematic (see hints in assimp)
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set( ASM686 FALSE CACHE INTERNAL "Override ZLIB flag to turn off assembly" FORCE )
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set( AMD64 FALSE CACHE INTERNAL "Override ZLIB flag to turn off assembly" FORCE )
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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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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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# Check to see if we have large file support.
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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 SIZEOF_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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# 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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# 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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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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include_directories(${ZLIB_DIR})
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endif()
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set(ZLIB_PC ${CMAKE_CURRENT_BINARY_DIR}/zlib.pc)
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configure_file( ${ZLIB_DIR}/zlib.pc.cmakein
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${ZLIB_PC} @ONLY)
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configure_file( ${ZLIB_DIR}/zconf.h.cmakein
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${CMAKE_CURRENT_BINARY_DIR}/zconf.h @ONLY)
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include_directories(${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_SOURCE_DIR})
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#============================================================================
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# zlib
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#============================================================================
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set(ZLIB_PUBLIC_HDRS
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${CMAKE_CURRENT_BINARY_DIR}/zconf.h
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${ZLIB_DIR}/zlib.h
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)
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set(ZLIB_PRIVATE_HDRS
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${ZLIB_DIR}/crc32.h
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${ZLIB_DIR}/deflate.h
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${ZLIB_DIR}/gzguts.h
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${ZLIB_DIR}/inffast.h
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${ZLIB_DIR}/inffixed.h
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${ZLIB_DIR}/inflate.h
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${ZLIB_DIR}/inftrees.h
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${ZLIB_DIR}/trees.h
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${ZLIB_DIR}/zutil.h
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)
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set(ZLIB_SRCS
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${ZLIB_DIR}/adler32.c
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${ZLIB_DIR}/compress.c
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${ZLIB_DIR}/crc32.c
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${ZLIB_DIR}/deflate.c
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${ZLIB_DIR}/gzclose.c
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${ZLIB_DIR}/gzlib.c
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${ZLIB_DIR}/gzread.c
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${ZLIB_DIR}/gzwrite.c
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${ZLIB_DIR}/inflate.c
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${ZLIB_DIR}/infback.c
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${ZLIB_DIR}/inftrees.c
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${ZLIB_DIR}/inffast.c
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${ZLIB_DIR}/trees.c
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${ZLIB_DIR}/uncompr.c
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${ZLIB_DIR}/zutil.c
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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 ${ZLIB_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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add_library(zlibstatic STATIC ${ZLIB_SRCS} ${ZLIB_ASMS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS})
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if(UNIX)
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# On unix-like platforms the library is almost always called libz
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set_target_properties(zlibstatic PROPERTIES OUTPUT_NAME z)
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# Tell zlib to include unistd.h, avoiding implicit declaration of write() etc.
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target_compile_definitions(zlibstatic PRIVATE HAVE_UNISTD_H)
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endif()
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set_property(TARGET zlibstatic PROPERTY FOLDER "ThirdParty")
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target_include_directories(zlibstatic INTERFACE "${CMAKE_CURRENT_SOURCE_DIR}/zlib" ${CMAKE_CURRENT_BINARY_DIR})
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