okular/cmake/modules/FindLIBGS.cmake

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# - Try to find the libgs library
# Once done this will define
#
# LIBGS_FOUND - system has libgs
# LIBGS_LIBRARY - Link this to use libgs
#
include(CheckLibraryExists)
# reset vars
set(LIBGS_LIBRARY)
set(CMAKE_LIBRARY_PATH "${LIB_INSTALL_DIR}")
find_library(LIBGS_LIBRARY NAMES gs gs-esp
PATHS
/usr/lib
/usr/local/lib
${GNUWIN32_DIR}/lib
)
if(LIBGS_LIBRARY)
check_library_exists(${LIBGS_LIBRARY} gsapi_new_instance "" LIBGS_HAVE_GSAPI_NEW_INSTANCE)
if(LIBGS_HAVE_GSAPI_NEW_INSTANCE)
set(LIBGS_FOUND TRUE)
endif(LIBGS_HAVE_GSAPI_NEW_INSTANCE)
endif(LIBGS_LIBRARY)
set(CMAKE_LIBRARY_PATH)
if (LIBGS_FOUND)
if (NOT LIBGS_FIND_QUIETLY)
message(STATUS "Found the GS library: ${LIBGS_LIBRARY}")
endif (NOT LIBGS_FIND_QUIETLY)
else (LIBGS_FOUND)
if (LIBGS_FIND_REQUIRED)
message(FATAL_ERROR "Could NOT find the GS library")
endif (LIBGS_FIND_REQUIRED)
endif (LIBGS_FOUND)
MARK_AS_ADVANCED(LIBGS_LIBRARY)