mirror of
https://invent.kde.org/graphics/okular
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81 lines
2.2 KiB
CMake
81 lines
2.2 KiB
CMake
# - Try to find the libgs library
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# Once done this will define
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#
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# LIBGS_FOUND - system has libgs
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# LIBGS_LIBRARY - Link this to use libgs
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#
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# Copyright (c) 2006, Albert Astals Cid, <aacid@kde.org>
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# Copyright (c) 2006, Pino Toscano, <toscano.pino@tiscali.it>
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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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include(CheckLibraryExists)
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include(CheckCSourceRuns)
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if (LIBGS_LIBRARY)
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# in cache already
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set(LIBGS_FOUND TRUE)
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else (LIBGS_LIBRARY)
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set(CMAKE_LIBRARY_PATH "${LIB_INSTALL_DIR}")
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find_library(LIBGS_LIBRARY NAMES gs gs-esp
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PATHS
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${GNUWIN32_DIR}/lib
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)
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if(LIBGS_LIBRARY)
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check_library_exists(${LIBGS_LIBRARY} gsapi_new_instance "" LIBGS_HAVE_GSAPI_NEW_INSTANCE)
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if(LIBGS_HAVE_GSAPI_NEW_INSTANCE)
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set(LIBGS_FOUND TRUE)
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endif(LIBGS_HAVE_GSAPI_NEW_INSTANCE)
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endif(LIBGS_LIBRARY)
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set(CMAKE_LIBRARY_PATH)
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if (LIBGS_MINIMUM_VERSION)
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string(REPLACE "." "" mingsver "${LIBGS_MINIMUM_VERSION}")
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set(CMAKE_REQUIRED_LIBRARIES "${LIBGS_LIBRARY}")
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set(CMAKE_REQUIRED_INCLUDES "${CMAKE_CURRENT_SOURCE_DIR}/spectre/libspectre")
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check_c_source_runs("
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#include <ghostscript/iapi.h>
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int main(int argc, char **argv)
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{
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gsapi_revision_t gsrev;
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if (gsapi_revision(&gsrev, sizeof(gsrev)) != 0)
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return 1;
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if (gsrev.revision < ${mingsver})
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return 1;
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return 0;
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}
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" HAVE_LIBGS_MINIMUM_VERSION)
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set(CMAKE_REQUIRED_LIBRARIES)
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set(CMAKE_REQUIRED_INCLUDES)
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if (NOT HAVE_LIBGS_MINIMUM_VERSION)
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set(LIBGS_FOUND FALSE)
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endif (NOT HAVE_LIBGS_MINIMUM_VERSION)
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endif (LIBGS_MINIMUM_VERSION)
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if (LIBGS_MINIMUM_VERSION)
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set(gsLibraryMessage " (v${LIBGS_MINIMUM_VERSION})")
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else (LIBGS_MINIMUM_VERSION)
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set(gsLibraryMessage "")
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endif (LIBGS_MINIMUM_VERSION)
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if (LIBGS_FOUND)
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if (NOT LIBGS_FIND_QUIETLY)
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message(STATUS "Found the GS library${gsLibraryMessage}: ${LIBGS_LIBRARY}")
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endif (NOT LIBGS_FIND_QUIETLY)
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else (LIBGS_FOUND)
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if (LIBGS_FIND_REQUIRED)
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message(FATAL_ERROR "Could NOT find the GS library${gsLibraryMessage}")
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endif (LIBGS_FIND_REQUIRED)
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endif (LIBGS_FOUND)
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set(LIBGS_LIBRARY ${LIBGS_LIBRARY} CACHE INTERNAL "The GhostScript library")
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endif (LIBGS_LIBRARY)
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