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94 lines
3.1 KiB
94 lines
3.1 KiB
4 years ago
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# genout.cmake.in
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# Generate .out from .c with awk (generic), based upon the automake logic.
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# Copyright (C) 2016 Glenn Randers-Pehrson
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# Written by Roger Leigh, 2016
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# This code is released under the libpng license.
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# For conditions of distribution and use, see the disclaimer
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# and license in png.h
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# Variables substituted from CMakeLists.txt
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set(SRCDIR "@CMAKE_CURRENT_SOURCE_DIR@")
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set(BINDIR "@CMAKE_CURRENT_BINARY_DIR@")
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set(AWK "@AWK@")
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set(CMAKE_C_COMPILER "@CMAKE_C_COMPILER@")
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set(CMAKE_C_FLAGS @CMAKE_C_FLAGS@)
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set(INCDIR "@CMAKE_CURRENT_BINARY_DIR@")
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set(PNG_PREFIX "@PNG_PREFIX@")
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set(PNGLIB_MAJOR "@PNGLIB_MAJOR@")
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set(PNGLIB_MINOR "@PNGLIB_MINOR@")
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set(PNGLIB_VERSION "@PNGLIB_VERSION@")
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set(ZLIBINCDIR "@ZLIB_INCLUDE_DIR@")
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set(PLATFORM_C_FLAGS)
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if(APPLE)
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set(CMAKE_OSX_ARCHITECTURES "@CMAKE_OSX_ARCHITECTURES@")
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set(CMAKE_OSX_SYSROOT "@CMAKE_OSX_SYSROOT@")
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if(CMAKE_OSX_ARCHITECTURES)
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set(PLATFORM_C_FLAGS ${PLATFORM_C_FLAGS} -arch ${CMAKE_OSX_ARCHITECTURES})
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endif()
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if(CMAKE_OSX_SYSROOT)
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set(PLATFORM_C_FLAGS ${PLATFORM_C_FLAGS} -isysroot ${CMAKE_OSX_SYSROOT})
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endif()
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endif()
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get_filename_component(INPUTEXT "${INPUT}" EXT)
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get_filename_component(OUTPUTEXT "${OUTPUT}" EXT)
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get_filename_component(INPUTBASE "${INPUT}" NAME_WE)
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get_filename_component(OUTPUTBASE "${OUTPUT}" NAME_WE)
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get_filename_component(INPUTDIR "${INPUT}" PATH)
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get_filename_component(OUTPUTDIR "${OUTPUT}" PATH)
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if ("${INPUTEXT}" STREQUAL ".c" AND "${OUTPUTEXT}" STREQUAL ".out")
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get_filename_component(GENDIR "${OUTPUT}" PATH)
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file(MAKE_DIRECTORY "${GENDIR}")
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file(REMOVE "${OUTPUT}.tf1" "${OUTPUT}.tf2")
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set(INCLUDES "-I${INCDIR}")
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if(ZLIBINCDIR)
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foreach(dir ${ZLIBINCDIR})
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list(APPEND INCLUDES "-I${dir}")
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endforeach()
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endif()
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if(PNG_PREFIX)
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set(PNG_PREFIX_DEF "-DPNG_PREFIX=${PNG_PREFIX}")
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endif()
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execute_process(COMMAND "${CMAKE_C_COMPILER}" "-E"
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${CMAKE_C_FLAGS}
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${PLATFORM_C_FLAGS}
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"-I${SRCDIR}"
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"-I${BINDIR}"
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${INCLUDES}
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"-DPNGLIB_LIBNAME=PNG${PNGLIB_MAJOR}${PNGLIB_MINOR}_0"
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"-DPNGLIB_VERSION=${PNGLIB_VERSION}"
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"-DSYMBOL_PREFIX=${SYMBOL_PREFIX}"
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"-DPNG_NO_USE_READ_MACROS"
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"-DPNG_BUILDING_SYMBOL_TABLE"
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${PNG_PREFIX_DEF}
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"${INPUT}"
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OUTPUT_FILE "${OUTPUT}.tf1"
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WORKING_DIRECTORY "${BINDIR}"
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RESULT_VARIABLE CPP_FAIL)
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if(CPP_FAIL)
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message(FATAL_ERROR "Failed to generate ${OUTPUT}.tf1")
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endif()
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execute_process(COMMAND "${AWK}" -f "${SRCDIR}/scripts/dfn.awk"
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"out=${OUTPUT}.tf2" "${OUTPUT}.tf1"
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WORKING_DIRECTORY "${BINDIR}"
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RESULT_VARIABLE AWK_FAIL)
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if(AWK_FAIL)
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message(FATAL_ERROR "Failed to generate ${OUTPUT}.tf2")
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endif()
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file(REMOVE "${OUTPUT}.tf1")
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file(RENAME "${OUTPUT}.tf2" "${OUTPUT}")
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else()
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message(FATAL_ERROR "Unsupported conversion: ${INPUTEXT} to ${OUTPUTEXT}")
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endif()
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