if g++ -DHAVE_CONFIG_H -I. -I. -I../../src/Include -I../.. -I../../src -I../../src/FDM/JSBSim  -I/usr/X11R6/include -I/usr/local/include -DPKGLIBDIR=\"/usr/share/FlightGear\" -O2 -march=i486 -mtune=i686 -D_REENTRANT -MT bootstrap.o -MD -MP -MF ".deps/bootstrap.Tpo" -c -o bootstrap.o bootstrap.cxx; \
        then mv -f ".deps/bootstrap.Tpo" ".deps/bootstrap.Po"; else rm -f ".deps/bootstrap.Tpo"; exit 1; fi
g++ -DPKGLIBDIR=\"/usr/share/FlightGear\" -O2 -march=i486 -mtune=i686 -D_REENTRANT  -L/usr/X11R6/lib -L/usr/local/lib -o fgfs  bootstrap.o ../../src/Main/libMain.a ../../src/Aircraft/libAircraft.a ../../src/ATC/libATC.a ../../src/Cockpit/libCockpit.a ../../src/Cockpit/built_in/libBuilt_in.a ../../src/FDM/libFlight.a ../../src/FDM/Balloon/libBalloon.a ../../src/FDM/ExternalNet/libExternalNet.a ../../src/FDM/ExternalPipe/libExternalPipe.a ../../src/FDM/JSBSim/libJSBSim.a ../../src/FDM/JSBSim/initialization/libInit.a ../../src/FDM/JSBSim/models/libModels.a ../../src/FDM/JSBSim/models/flight_control/libFlightControl.a ../../src/FDM/JSBSim/models/atmosphere/libAtmosphere.a ../../src/FDM/JSBSim/models/propulsion/libPropulsion.a ../../src/FDM/JSBSim/input_output/libInputOutput.a ../../src/FDM/JSBSim/math/libMath.a ../../src/FDM/YASim/libYASim.a ../../src/FDM/LaRCsim/libLaRCsim.a ../../src/FDM/UIUCModel/libUIUCModel.a ../../src/FDM/SP/libSPFDM.a ../../src/GUI/libGUI.a ../../src/Autopilot/libAutopilot.a ../../src/Input/libInput.a ../../src/Instrumentation/KLN89/libKLN89.a ../../src/Instrumentation/HUD/libHUD.a ../../src/Instrumentation/libInstrumentation.a ../../src/Model/libModel.a ../../src/Network/libNetwork.a ../../src/Navaids/libNavaids.a ../../src/Scenery/libScenery.a ../../src/Scripting/libScripting.a ../../src/Sound/libSound.a ../../src/Airports/libAirports.a ../../src/MultiPlayer/libMultiPlayer.a ../../src/AIModel/libAIModel.a ../../src/Systems/libSystems.a ../../src/Time/libTime.a ../../src/Traffic/libTraffic.a ../../src/Environment/libEnvironment.a -lsgroute -lsgsky -lsgsound -lsgephem -lsgmaterial -lsgtgdb -lsgmodel -lsgtiming -lsgio -lsgscreen -lsgmath -lsgbucket -lsgprops -lsgdebug -lsgmagvar -lsgmisc -lsgnasal -lsgxml -lsgsound -lsgserial -lsgstructure -lsgenvironment -lsgthreads -lpthread  -lplibpuaux -lplibpu -lplibfnt -lplibjs -lplibnet -lplibssgaux -lplibssg -lplibsg -lplibul  -lz -lglut -lGLU -lGL -lXmu -lXt -lSM -lICE -lXi -lXext -lX11 -ldl -lm  -lalut -lopenal -ldl -lm   -lpthread
../../src/Instrumentation/HUD/libHUD.a(HUD_ladder.o): In function `HUD::Ladder::draw()':
HUD_ladder.cxx:(.text+0x1c3e): undefined reference to `sgdClosestPointToLine(double*, double const*, double const*, double const*)'
../../src/Instrumentation/libInstrumentation.a(navradio.o): In function `FGNavRadio::update(double)':
navradio.cxx:(.text+0x1e26): undefined reference to `sgdClosestPointToLineDistSquared(double const*, double const*, double const*)'
/usr/X11R6/lib/libsgroute.a(route.o): In function `SGRoute::distance_off_route(double, double) const':
(.text+0xec): undefined reference to `sgdClosestPointToLineDistSquared(double const*, double const*, double const*)'
collect2: ld returned 1 exit status
make[2]: *** [fgfs] Error 1
make[2]: Leaving directory `/tmp/FlightGear-1.0.0/src/Main'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/tmp/FlightGear-1.0.0/src'
make: *** [all-recursive] Error 1