| 1 | # genout.cmake.in
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| 2 | # Generate .out from .c with awk (generic), based upon the automake logic.
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| 3 |
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| 4 | # Copyright (C) 2016 Glenn Randers-Pehrson
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| 5 | # Written by Roger Leigh, 2016
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| 6 |
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| 7 | # This code is released under the libpng license.
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| 8 | # For conditions of distribution and use, see the disclaimer
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| 9 | # and license in png.h
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| 10 |
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| 11 | # Variables substituted from CMakeLists.txt
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| 12 | set(SRCDIR "@CMAKE_CURRENT_SOURCE_DIR@")
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| 13 | set(BINDIR "@CMAKE_CURRENT_BINARY_DIR@")
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| 14 |
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| 15 | set(AWK "@AWK@")
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| 16 | set(CMAKE_C_COMPILER "@CMAKE_C_COMPILER@")
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| 17 | set(CMAKE_C_FLAGS @CMAKE_C_FLAGS@)
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| 18 | set(INCDIR "@CMAKE_CURRENT_BINARY_DIR@")
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| 19 | set(PNG_PREFIX "@PNG_PREFIX@")
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| 20 | set(PNGLIB_MAJOR "@PNGLIB_MAJOR@")
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| 21 | set(PNGLIB_MINOR "@PNGLIB_MINOR@")
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| 22 | set(PNGLIB_VERSION "@PNGLIB_VERSION@")
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| 23 | set(ZLIBINCDIR "@ZLIB_INCLUDE_DIR@")
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| 24 |
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| 25 | set(PLATFORM_C_FLAGS)
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| 26 | if(APPLE)
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| 27 | set(CMAKE_OSX_ARCHITECTURES "@CMAKE_OSX_ARCHITECTURES@")
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| 28 | set(CMAKE_OSX_SYSROOT "@CMAKE_OSX_SYSROOT@")
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| 29 | if(CMAKE_OSX_ARCHITECTURES)
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| 30 | set(PLATFORM_C_FLAGS ${PLATFORM_C_FLAGS} -arch ${CMAKE_OSX_ARCHITECTURES})
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| 31 | endif()
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| 32 | if(CMAKE_OSX_SYSROOT)
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| 33 | set(PLATFORM_C_FLAGS ${PLATFORM_C_FLAGS} -isysroot ${CMAKE_OSX_SYSROOT})
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| 34 | endif()
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| 35 | endif()
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| 36 |
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| 37 | get_filename_component(INPUTEXT "${INPUT}" EXT)
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| 38 | get_filename_component(OUTPUTEXT "${OUTPUT}" EXT)
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| 39 | get_filename_component(INPUTBASE "${INPUT}" NAME_WE)
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| 40 | get_filename_component(OUTPUTBASE "${OUTPUT}" NAME_WE)
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| 41 | get_filename_component(INPUTDIR "${INPUT}" PATH)
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| 42 | get_filename_component(OUTPUTDIR "${OUTPUT}" PATH)
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| 43 |
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| 44 | if ("${INPUTEXT}" STREQUAL ".c" AND "${OUTPUTEXT}" STREQUAL ".out")
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| 45 | get_filename_component(GENDIR "${OUTPUT}" PATH)
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| 46 | file(MAKE_DIRECTORY "${GENDIR}")
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| 47 |
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| 48 | file(REMOVE "${OUTPUT}.tf1" "${OUTPUT}.tf2")
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| 49 |
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| 50 | set(INCLUDES "-I${INCDIR}")
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| 51 | if(ZLIBINCDIR)
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| 52 | foreach(dir ${ZLIBINCDIR})
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| 53 | list(APPEND INCLUDES "-I${dir}")
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| 54 | endforeach()
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| 55 | endif()
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| 56 |
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| 57 | if(PNG_PREFIX)
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| 58 | set(PNG_PREFIX_DEF "-DPNG_PREFIX=${PNG_PREFIX}")
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| 59 | endif()
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| 60 |
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| 61 | execute_process(COMMAND "${CMAKE_C_COMPILER}" "-E"
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| 62 | ${CMAKE_C_FLAGS}
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| 63 | ${PLATFORM_C_FLAGS}
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| 64 | "-I${SRCDIR}"
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| 65 | "-I${BINDIR}"
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| 66 | ${INCLUDES}
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| 67 | "-DPNGLIB_LIBNAME=PNG${PNGLIB_MAJOR}${PNGLIB_MINOR}_0"
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| 68 | "-DPNGLIB_VERSION=${PNGLIB_VERSION}"
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| 69 | "-DSYMBOL_PREFIX=${SYMBOL_PREFIX}"
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| 70 | "-DPNG_NO_USE_READ_MACROS"
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| 71 | "-DPNG_BUILDING_SYMBOL_TABLE"
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| 72 | ${PNG_PREFIX_DEF}
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| 73 | "${INPUT}"
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| 74 | OUTPUT_FILE "${OUTPUT}.tf1"
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| 75 | WORKING_DIRECTORY "${BINDIR}"
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| 76 | RESULT_VARIABLE CPP_FAIL)
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| 77 | if(CPP_FAIL)
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| 78 | message(FATAL_ERROR "Failed to generate ${OUTPUT}.tf1")
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| 79 | endif()
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| 80 |
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| 81 | execute_process(COMMAND "${AWK}" -f "${SRCDIR}/scripts/dfn.awk"
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| 82 | "out=${OUTPUT}.tf2" "${OUTPUT}.tf1"
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| 83 | WORKING_DIRECTORY "${BINDIR}"
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| 84 | RESULT_VARIABLE AWK_FAIL)
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| 85 | if(AWK_FAIL)
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| 86 | message(FATAL_ERROR "Failed to generate ${OUTPUT}.tf2")
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| 87 | endif()
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| 88 |
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| 89 | file(REMOVE "${OUTPUT}.tf1")
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| 90 | file(RENAME "${OUTPUT}.tf2" "${OUTPUT}")
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| 91 | else()
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| 92 | message(FATAL_ERROR "Unsupported conversion: ${INPUTEXT} to ${OUTPUTEXT}")
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| 93 | endif()
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