[32234] | 1 | #========================================================================
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| 2 | #
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| 3 | # xpdf/cmake-xpdf.txt
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| 4 | #
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| 5 | # CMake script for the Xpdf tools.
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| 6 | #
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| 7 | # Copyright 2015 Glyph & Cog, LLC
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| 8 | #
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| 9 | #========================================================================
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| 10 |
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| 11 | #========================================================================
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| 12 | # This is a customised version of Xpdf Tools' CMake file.
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| 13 | # Customised for Greenstone.
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| 14 | #========================================================================
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| 15 |
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| 16 | include_directories("${PROJECT_SOURCE_DIR}")
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| 17 | include_directories("${PROJECT_BINARY_DIR}")
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| 18 | include_directories("${PROJECT_SOURCE_DIR}/goo")
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| 19 | include_directories("${PROJECT_SOURCE_DIR}/fofi")
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| 20 | include_directories("${PROJECT_SOURCE_DIR}/splash")
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[32237] | 21 |
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| 22 | if(GSDLFLAG_STATIC_BUILD)
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| 23 | message(STATUS "@@@@ GSDLFLAG_STATIC_BUILD SET. Building xpdf-tools statically.")
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| 24 | else ()
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| 25 | message(STATUS "@@@@ GSDLFLAG_STATIC_BUILD not SET. Building dynamically using xpdf-tools' (mostly) original, unmodified linker flags.")
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| 26 | endif ()
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[32234] | 27 | if (PNG_FOUND)
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| 28 | include_directories("${PNG_INCLUDE_DIRS}")
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| 29 | add_definitions("${PNG_DEFINITIONS}")
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| 30 | else ()
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| 31 | message(STATUS "@@@@@@@@@@@@@@@ NO PNG_FOUND")
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| 32 | endif ()
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| 33 | # https://stackoverflow.com/questions/36126333/mingw-cmake-undefined-reference-to-zlib
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| 34 | if (ZLIB_FOUND)
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| 35 | include_directories("${ZLIB_INCLUDE_DIRS}")
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| 36 | add_definitions("${ZLIB_DEFINITIONS}")
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| 37 | else ()
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| 38 | message(STATUS "@@@@@@@@@@@@@@@ NO ZLIB_FOUND")
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| 39 | endif ()
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| 40 | if (HAVE_LCMS)
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| 41 | include_directories("${LCMS_INCLUDE_DIR}")
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| 42 | set(COLOR_MANAGER_SOURCE "ColorManager.cc")
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[32237] | 43 | if(GSDLFLAG_STATIC_BUILD)
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| 44 | # Untested combination, warn https://cmake.org/cmake/help/v3.0/command/message.html
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| 45 | message(AUTHOR_WARNING "@@@@@@@@@@@@@@@ GSDL Warning: static building with HAVE_LCMS on. If running ldd/file on generated binaries shows any binary to be partially a dynamic executable, then Export VERBOSE=1 and re-run the CMake build. Then check the verbose build output's linker flags (for static building) for that binary: they should not be -Wl,-Bstatic LIBS -Wl,-Bdynamic -lpthread but -static LIBS. Fix it by removing all references to LCMS_LIBRARY in the static linking flags of target_link_libraries statements (i.e. when GSDLFLAG_STATIC_BUILD is set) in file gs-CMakeLists.txt and replacing them with the -l equivalent for the color manager library, (l)cms. @@@@@@@@@@@@@@@")
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| 46 | endif ()
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[32234] | 47 | else ()
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| 48 | set(COLOR_MANAGER_SOURCE "")
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| 49 | endif ()
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[32237] | 50 | if (TYPE_LIBRARY)
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| 51 | if(GSDLFLAG_STATIC_BUILD)
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| 52 | # Untested combination, warn
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| 53 | message(AUTHOR_WARNING "@@@@@@@@@@@@@@@ GSDL Warning: static building with TYPE_LIBRARY. If running ldd/file on generated binaries shows any binary to be partially a dynamic executable, then export VERBOSE=1 and re-run the CMake build. Then check the verbose build output's linker flags (for static building) for that binary: they should not be -Wl,-Bstatic LIBS -Wl,-Bdynamic -lpthread but -static LIBS. Fix it by removing all references to DTYPE_LIBRARY in the static linking flags of target_link_libraries statements (i.e. when GSDLFLAG_STATIC_BUILD is set) in file gs-CMakeLists.txt and replacing them with the -l equivalent for typelib. @@@@@@@@@@@@@@@")
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| 54 | endif ()
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| 55 | endif ()
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[32234] | 56 | add_library(xpdf_objs OBJECT
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| 57 | AcroForm.cc
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| 58 | Annot.cc
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| 59 | Array.cc
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| 60 | BuiltinFont.cc
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| 61 | BuiltinFontTables.cc
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| 62 | Catalog.cc
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| 63 | CharCodeToUnicode.cc
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| 64 | CMap.cc
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| 65 | ${COLOR_MANAGER_SOURCE}
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| 66 | Decrypt.cc
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| 67 | Dict.cc
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| 68 | Error.cc
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| 69 | FontEncodingTables.cc
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| 70 | Form.cc
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| 71 | Function.cc
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| 72 | Gfx.cc
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| 73 | GfxFont.cc
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| 74 | GfxState.cc
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| 75 | GlobalParams.cc
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| 76 | JArithmeticDecoder.cc
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| 77 | JBIG2Stream.cc
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| 78 | JPXStream.cc
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| 79 | Lexer.cc
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| 80 | Link.cc
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| 81 | NameToCharCode.cc
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| 82 | Object.cc
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| 83 | OptionalContent.cc
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| 84 | Outline.cc
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| 85 | OutputDev.cc
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| 86 | Page.cc
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| 87 | Parser.cc
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| 88 | PDFDoc.cc
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| 89 | PDFDocEncoding.cc
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| 90 | PSTokenizer.cc
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| 91 | SecurityHandler.cc
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| 92 | Stream.cc
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| 93 | TextString.cc
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| 94 | UnicodeMap.cc
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| 95 | UnicodeTypeTable.cc
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| 96 | UTF8.cc
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| 97 | XFAForm.cc
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| 98 | XRef.cc
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| 99 | Zoox.cc
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| 100 | )
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| 101 |
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| 102 | #--- object files needed by XpdfWidget
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| 103 |
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| 104 | if ((QT4_FOUND OR Qt5Widgets_FOUND)
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| 105 | AND HAVE_SPLASH AND MULTITHREADED AND USE_EXCEPTIONS)
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| 106 |
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| 107 | if (HIGHLIGHTED_REGIONS)
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| 108 | set(HIGHLIGHT_SRC "HighlightFile.cc")
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| 109 | else ()
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| 110 | set(HIGHLIGHT_SRC "")
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| 111 | endif ()
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| 112 |
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| 113 | add_library(xpdf_widget_objs OBJECT
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| 114 | DisplayState.cc
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| 115 | PDFCore.cc
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| 116 | PreScanOutputDev.cc
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| 117 | PSOutputDev.cc
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| 118 | SplashOutputDev.cc
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| 119 | TextOutputDev.cc
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| 120 | TileCache.cc
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| 121 | TileCompositor.cc
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| 122 | TileMap.cc
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| 123 | ${HIGHLIGHT_SRC}
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| 124 | )
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| 125 | endif ()
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| 126 |
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| 127 | # We want to build static xpdf-tools binaries. See
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| 128 | # https://stackoverflow.com/questions/24648357/compiling-a-static-executable-with-cmake
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| 129 | # Want to make the min number of changes for building statically, so using the way
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| 130 | # below. Beware, must *append* "-static" to existing CMAKE_EXE_LINKER_FLAGS=LD_FLAGS
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[32237] | 131 | ##SET(CMAKE_FIND_LIBRARY_SUFFIXES ".a")
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| 132 | ##SET(BUILD_SHARED_LIBS OFF)
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| 133 | ##SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static")
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[32234] | 134 |
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| 135 | # The original, unmodified CMakeLists.txt was not set up sufficiently
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| 136 | # for static compilation of xpdf-tools. As a result, compile would first fail
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| 137 | # with errors about undefined refs to mutex / lpthread.
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| 138 | # When building xpdf-tools statically, need to add the following 2 lines as well
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| 139 | # as append "Threads::Threads" to the end of each "target_link_libraries(<list>)"
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| 140 | # See https://stackoverflow.com/questions/1620918/cmake-and-libpthread
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| 141 | # found googling cmake and "-lpthread" (pthread) after ERRORS to do with this, like:
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| 142 | # undefined reference to `pthread_mutex_unlock'
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[32237] | 143 | ##set(THREADS_PREFER_PTHREAD_FLAG ON)
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| 144 | ##find_package(Threads REQUIRED)
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[32234] | 145 |
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| 146 | #--- pdftops
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| 147 |
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| 148 | if (HAVE_SPLASH)
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| 149 | add_executable(pdftops
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| 150 | $<TARGET_OBJECTS:xpdf_objs>
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| 151 | PreScanOutputDev.cc
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| 152 | PSOutputDev.cc
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| 153 | SplashOutputDev.cc
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| 154 | pdftops.cc
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[32237] | 155 | )
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| 156 | if(GSDLFLAG_STATIC_BUILD)
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| 157 | target_link_libraries(pdftops goo fofi splash
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| 158 | -static -lfreetype ${DTYPE_LIBRARY} ${LCMS_LIBRARY} -lz -lm -lc -lpthread)
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| 159 | # Threads::Threads instead of -lpthread results in a partially dynamic executable
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| 160 | else ()
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| 161 | target_link_libraries(pdftops goo fofi splash
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[32234] | 162 | ${FREETYPE_LIBRARY} ${FREETYPE_OTHER_LIBS}
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| 163 | ${DTYPE_LIBRARY}
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| 164 | ${LCMS_LIBRARY}
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[32237] | 165 | ${ZLIB_LIBRARIES})
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| 166 | endif ()
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[32234] | 167 | else ()
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| 168 | add_executable(pdftops
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| 169 | $<TARGET_OBJECTS:xpdf_objs>
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| 170 | PreScanOutputDev.cc
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| 171 | PSOutputDev.cc
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| 172 | pdftops.cc
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| 173 | )
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[32237] | 174 | if(GSDLFLAG_STATIC_BUILD)
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| 175 | target_link_libraries(pdftops goo fofi -static ${LCMS_LIBRARY} -lm -lc -lpthread)
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| 176 | else ()
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| 177 | target_link_libraries(pdftops goo fofi ${LCMS_LIBRARY})
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| 178 | endif ()
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[32234] | 179 | endif ()
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| 180 | install(TARGETS pdftops RUNTIME DESTINATION bin)
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| 181 | install(FILES ${PROJECT_SOURCE_DIR}/doc/pdftops.1 DESTINATION man/man1)
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| 182 |
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| 183 | #--- pdftotext
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| 184 |
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| 185 | add_executable(pdftotext
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| 186 | $<TARGET_OBJECTS:xpdf_objs>
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| 187 | TextOutputDev.cc
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| 188 | pdftotext.cc
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| 189 | )
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[32237] | 190 | if(GSDLFLAG_STATIC_BUILD)
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| 191 | target_link_libraries(pdftotext goo fofi -static ${LCMS_LIBRARY} -lpthread)
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| 192 | # Threads::Threads instead of -lpthread results in a partially dynamic executable
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| 193 | else ()
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| 194 | target_link_libraries(pdftotext goo fofi ${LCMS_LIBRARY})
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| 195 | endif ()
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[32234] | 196 | install(TARGETS pdftotext RUNTIME DESTINATION bin)
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| 197 | install(FILES ${PROJECT_SOURCE_DIR}/doc/pdftotext.1 DESTINATION man/man1)
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| 198 |
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| 199 | #--- pdftohtml
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| 200 |
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| 201 | if (HAVE_SPLASH AND PNG_FOUND)
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| 202 | add_executable(pdftohtml
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| 203 | $<TARGET_OBJECTS:xpdf_objs>
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| 204 | HTMLGen.cc
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| 205 | SplashOutputDev.cc
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| 206 | TextOutputDev.cc
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| 207 | pdftohtml.cc
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| 208 | )
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[32237] | 209 | if(GSDLFLAG_STATIC_BUILD)
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| 210 | target_link_libraries(pdftohtml goo fofi splash
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| 211 | -static -lfreetype ${DTYPE_LIBRARY} ${LCMS_LIBRARY} -lpng -lz -lm -lc -lpthread)
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| 212 | else ()
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| 213 | target_link_libraries(pdftohtml goo fofi splash
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| 214 | ${FREETYPE_LIBRARY} ${FREETYPE_OTHER_LIBS}
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| 215 | ${DTYPE_LIBRARY}
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| 216 | ${LCMS_LIBRARY} ${PNG_LIBRARIES})
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| 217 | endif ()
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| 218 | # Doing the regular target_link_libraries() in static mode results in building with
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| 219 | # "-Wl,-Bstatic -lfreetype -lpng15 -lz -Wl,-Bdynamic -lpthread" at end of link line
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| 220 | # and produces broken binaries for pdftohtml/pdftoppm/pdftops/pdftopng.
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| 221 | # Note that PNG_LIBRARIES includes zlib/lz: "-lpng -lz", and along with freetype,
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| 222 | # these are linked statically. However, Threads/lpthread is included as a dynamically
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| 223 | # linked library instead of including a .a (regardless of whether it's appended
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| 224 | # as -lpthread or Threads::Threads in else above), contributing to the pdfhtml binary
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| 225 | # produced being a partially static, partially dynamic one,
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| 226 | # so a dynamic executable overall.
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| 227 | # The order of dynamic .so files listed by ldd in the broken binary differs from
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| 228 | # a manually linked working version of pdftohtml, and seems to be the only difference
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| 229 | # between the two in ldd output. Not using "-Wl,-Bstatic" and using -static in its
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| 230 | # place creates a partially static dynamic executable that isn't broken, whereas
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| 231 | # additionally removing "-Wl,-Bdynamic -lpthread" and replacing it with -lpthread
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| 232 | # moreover produces a working pdftohtml that is a fully static linked executable.
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| 233 | # The inclusion of the math lib and c lib (lm and lc) in the final link command
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| 234 | # are to completely bypass the remaining .so dependencies that were present in
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| 235 | # the executable and produce the fully static executable.
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| 236 | # Not sure what colormanager (lcms) and typelibrary, or how they're written in -l
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| 237 | # form as they were not present when the original unmodified static linking command
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| 238 | # was run, so they've not been included in the replacement static linking command.
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[32234] | 239 | install(TARGETS pdftohtml RUNTIME DESTINATION bin)
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| 240 | install(FILES ${PROJECT_SOURCE_DIR}/doc/pdftohtml.1 DESTINATION man/man1)
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| 241 | endif ()
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| 242 |
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| 243 | #--- pdfinfo
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| 244 |
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| 245 | add_executable(pdfinfo
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| 246 | $<TARGET_OBJECTS:xpdf_objs>
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| 247 | pdfinfo.cc
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| 248 | )
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[32237] | 249 | if(GSDLFLAG_STATIC_BUILD)
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| 250 | target_link_libraries(pdfinfo goo fofi -static ${LCMS_LIBRARY} -lpthread)
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| 251 | else ()
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| 252 | target_link_libraries(pdfinfo goo fofi ${LCMS_LIBRARY})
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| 253 | endif()
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[32234] | 254 | install(TARGETS pdfinfo RUNTIME DESTINATION bin)
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| 255 | install(FILES ${PROJECT_SOURCE_DIR}/doc/pdfinfo.1 DESTINATION man/man1)
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| 256 |
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| 257 | #--- pdffonts
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| 258 |
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| 259 | add_executable(pdffonts
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| 260 | $<TARGET_OBJECTS:xpdf_objs>
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| 261 | pdffonts.cc
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| 262 | )
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[32237] | 263 | if(GSDLFLAG_STATIC_BUILD)
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| 264 | target_link_libraries(pdffonts goo fofi -static ${LCMS_LIBRARY} -lpthread)
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| 265 | else ()
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| 266 | target_link_libraries(pdffonts goo fofi ${LCMS_LIBRARY})
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| 267 | endif ()
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[32234] | 268 | install(TARGETS pdffonts RUNTIME DESTINATION bin)
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| 269 | install(FILES ${PROJECT_SOURCE_DIR}/doc/pdffonts.1 DESTINATION man/man1)
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| 270 |
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| 271 | #--- pdfdetach
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| 272 |
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| 273 | add_executable(pdfdetach
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| 274 | $<TARGET_OBJECTS:xpdf_objs>
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| 275 | pdfdetach.cc
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| 276 | )
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[32237] | 277 | if(GSDLFLAG_STATIC_BUILD)
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| 278 | target_link_libraries(pdfdetach goo fofi -static ${LCMS_LIBRARY} -lpthread)
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| 279 | else ()
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| 280 | target_link_libraries(pdfdetach goo fofi ${LCMS_LIBRARY})
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| 281 | endif ()
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[32234] | 282 | install(TARGETS pdfdetach RUNTIME DESTINATION bin)
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| 283 | install(FILES ${PROJECT_SOURCE_DIR}/doc/pdfdetach.1 DESTINATION man/man1)
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| 284 |
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| 285 | #--- pdftoppm
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| 286 |
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| 287 | if (HAVE_SPLASH)
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| 288 | add_executable(pdftoppm
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| 289 | $<TARGET_OBJECTS:xpdf_objs>
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| 290 | SplashOutputDev.cc
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| 291 | pdftoppm.cc
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| 292 | )
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[32237] | 293 | if(GSDLFLAG_STATIC_BUILD)
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| 294 | target_link_libraries(pdftoppm goo fofi splash
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| 295 | -static -lfreetype ${DTYPE_LIBRARY} ${LCMS_LIBRARY} -lz -lm -lc -lpthread)
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| 296 | else ()
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| 297 | target_link_libraries(pdftoppm goo fofi splash
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[32234] | 298 | ${FREETYPE_LIBRARY} ${FREETYPE_OTHER_LIBS}
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| 299 | ${DTYPE_LIBRARY}
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| 300 | ${LCMS_LIBRARY}
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[32237] | 301 | ${ZLIB_LIBRARIES})
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| 302 | endif ()
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[32234] | 303 | install(TARGETS pdftoppm RUNTIME DESTINATION bin)
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| 304 | install(FILES ${PROJECT_SOURCE_DIR}/doc/pdftoppm.1 DESTINATION man/man1)
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| 305 | endif ()
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| 306 |
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| 307 | #--- pdftopng
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| 308 |
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| 309 | if (HAVE_SPLASH AND PNG_FOUND)
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| 310 | add_executable(pdftopng
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| 311 | $<TARGET_OBJECTS:xpdf_objs>
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| 312 | SplashOutputDev.cc
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| 313 | pdftopng.cc
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| 314 | )
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[32237] | 315 | if(GSDLFLAG_STATIC_BUILD)
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| 316 | target_link_libraries(pdftopng goo fofi splash
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| 317 | -static -lfreetype ${DTYPE_LIBRARY} ${LCMS_LIBRARY} -lpng -lz -lm -lc -lpthread)
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| 318 | else ()
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| 319 | target_link_libraries(pdftopng goo fofi splash
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[32234] | 320 | ${FREETYPE_LIBRARY} ${FREETYPE_OTHER_LIBS}
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| 321 | ${DTYPE_LIBRARY}
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[32237] | 322 | ${LCMS_LIBRARY} ${PNG_LIBRARIES})
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| 323 | endif ()
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[32234] | 324 | install(TARGETS pdftopng RUNTIME DESTINATION bin)
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| 325 | install(FILES ${PROJECT_SOURCE_DIR}/doc/pdftopng.1 DESTINATION man/man1)
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| 326 | endif ()
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| 327 |
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| 328 | #--- pdfimages
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| 329 |
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| 330 | add_executable(pdfimages
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| 331 | $<TARGET_OBJECTS:xpdf_objs>
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| 332 | ImageOutputDev.cc
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| 333 | pdfimages.cc
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| 334 | )
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[32237] | 335 | if(GSDLFLAG_STATIC_BUILD)
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| 336 | target_link_libraries(pdfimages goo fofi -static ${LCMS_LIBRARY} -lpthread)
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| 337 | else ()
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| 338 | target_link_libraries(pdfimages goo fofi ${LCMS_LIBRARY})
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| 339 | endif ()
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[32234] | 340 | install(TARGETS pdfimages RUNTIME DESTINATION bin)
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| 341 | install(FILES ${PROJECT_SOURCE_DIR}/doc/pdfimages.1 DESTINATION man/man1)
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| 342 |
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| 343 | #--- xpdfrc man page
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| 344 |
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| 345 | install(FILES ${PROJECT_SOURCE_DIR}/doc/xpdfrc.5 DESTINATION man/man5)
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