mirror of
https://invent.kde.org/graphics/okular
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63 lines
2.3 KiB
CMake
63 lines
2.3 KiB
CMake
# - Try to find the libspectre PS library
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# Once done this will define
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#
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# LIBSPECTRE_FOUND - system has libspectre
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# LIBSPECTRE_INCLUDE_DIR - the libspectre include directory
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# LIBSPECTRE_LIBRARY - Link this to use libspectre
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#
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# Copyright (c) 2006-2007, Pino Toscano, <pino@kde.org>
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# Copyright (c) 2008, Albert Astals Cid, <aacid@kde.org>
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#
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# Redistribution and use is allowed according to the terms of the BSD license.
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# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
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if(LIBSPECTRE_INCLUDE_DIR AND LIBSPECTRE_LIBRARY)
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# in cache already
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set(LIBSPECTRE_FOUND TRUE)
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else(LIBSPECTRE_INCLUDE_DIR AND LIBSPECTRE_LIBRARY)
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# use pkg-config to get the directories and then use these values
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# in the FIND_PATH() and FIND_LIBRARY() calls
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INCLUDE(UsePkgConfig)
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PKGCONFIG(libspectre _SpectreIncDir _SpectreLinkDir _SpectreLinkFlags _SpectreCflags)
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if(_SpectreLinkFlags)
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# find again pkg-config, to query it about libspectre version
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FIND_PROGRAM(PKGCONFIG_EXECUTABLE NAMES pkg-config PATHS /usr/bin/ /usr/local/bin )
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# query pkg-config asking for a libspectre >= LIBSPECTRE_MINIMUM_VERSION
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EXEC_PROGRAM(${PKGCONFIG_EXECUTABLE} ARGS --atleast-version=${LIBSPECTRE_MINIMUM_VERSION} libspectre RETURN_VALUE _return_VALUE OUTPUT_VARIABLE _pkgconfigDevNull )
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if(_return_VALUE STREQUAL "0")
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set(LIBSPECTRE_FOUND TRUE)
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endif(_return_VALUE STREQUAL "0")
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endif(_SpectreLinkFlags)
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if (LIBSPECTRE_FOUND)
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set(LIBSPECTRE_LIBRARY ${_SpectreLinkFlags})
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# the cflags for libspectre can contain more than one include path
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separate_arguments(_SpectreCflags)
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foreach(_includedir ${_SpectreCflags})
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string(REGEX REPLACE "-I(.+)" "\\1" _includedir "${_includedir}")
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set(LIBSPECTRE_INCLUDE_DIR ${LIBSPECTRE_INCLUDE_DIR} ${_includedir})
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endforeach(_includedir)
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set(CMAKE_REQUIRED_INCLUDES)
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set(CMAKE_REQUIRED_LIBRARIES)
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else (LIBSPECTRE_FOUND)
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if (LIBSPECTRE_FIND_REQUIRED)
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message(FATAL_ERROR "Could NOT find libspectre")
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endif (LIBSPECTRE_FIND_REQUIRED)
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message(STATUS "Could not find OPTIONAL package libspectre")
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endif (LIBSPECTRE_FOUND)
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# ensure that they are cached
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set(LIBSPECTRE_INCLUDE_DIR ${LIBSPECTRE_INCLUDE_DIR} CACHE INTERNAL "The libspectre include path")
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set(LIBSPECTRE_LIBRARY ${LIBSPECTRE_LIBRARY} CACHE INTERNAL "The libspectre library")
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endif(LIBSPECTRE_INCLUDE_DIR AND LIBSPECTRE_LIBRARY)
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