first commit

package/CMakeLists.txt

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+
+# this is the timestampe of when we ran Cmake, we could 
+# switch to parsing this from flightgear/version file explicity,
+# but it's only needed by AppStream metainfo for the moment
+
+string(TIMESTAMP FG_CMAKE_TIMESTAMP "%Y-%m-%d")
+
+if(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
+    # our .desktop file specifies --launcher, so only install it for
+    # a build with the launcher enabled.
+    if (ENABLE_QT)
+        install(FILES org.flightgear.FlightGear.desktop DESTINATION share/applications)
+    endif()
+
+    # generate a metainfo file corresponding to this release
+    configure_file (
+        "${CMAKE_CURRENT_SOURCE_DIR}/org.flightgear.FlightGear.metainfo.in"
+        "${CMAKE_CURRENT_BINARY_DIR}/org.flightgear.FlightGear.metainfo.xml"
+    )
+
+    install(FILES "${CMAKE_CURRENT_BINARY_DIR}/org.flightgear.FlightGear.metainfo.xml" DESTINATION share/metainfo)
+
+endif()