On Tue, 18 Feb 2003 16:05:26 -0600 David Drum <[EMAIL PROTECTED]> wrote:
> [FlightGear-Devel readers: this is another installment in my quest > to get FlightGear compiled under Mac OS X. I now have a good lead on > the final link failure, I think. If you have any knowledge of linker > naming conventions, symbol tables, and the like, I would appreciate > your comments. Thanks. P.S. Everything is being built from CVS.] > > Previous make's were failing, unable to find gen_leaf or > ssgVtxTable::ssgVtxTable. > > Sometime recently the call to gen_leaf was removed from the CVS code. > Instead, three other symbols are now not being found. Here's the final > make command along with output: > > david@Cynosure ~/FlightGear/src/main > $ make > g++ -DPKGLIBDIR=\"/Users/david/lib/FlightGear\" -g -O2 -D_REENTRANT > -L/Users/david/lib -L/usr/X11R6/lib -o fgfs main.o fg_commands.o fg_init.o > fg_io.o fg_props.o fgfs.o globals.o logger.o options.o splash.o util.o > viewer.o viewmgr.o location.o ../../src/Aircraft/libAircraft.a > ../../src/ATC/libATC.a ../../src/Autopilot/libAutopilot.a > ../../src/Cockpit/libCockpit.a ../../src/Cockpit/built_in/libBuilt_in.a > ../../src/Controls/libControls.a ../../src/FDM/libFlight.a > ../../src/FDM/Balloon/libBalloon.a > ../../src/FDM/ExternalNet/libExternalNet.a ../../src/FDM/JSBSim/libJSBSim.a > ../../src/FDM/YASim/libYASim.a ../../src/FDM/JSBSim/filtersjb/libfiltersjb.a > ../../src/FDM/LaRCsim/libLaRCsim.a ../../src/FDM/UIUCModel/libUIUCModel.a > ../../src/GUI/libGUI.a ../../src/Input/libInput.a > ../../src/Instrumentation/libInstrumentation.a ../../src/Model/libModel.a > ../../src/Navaids/libNavaids.a ../../src/Scenery/libScenery.a > ../../src/Scripting/libScripting.a ../../src/Sound/libSound.a > ../../src/Airports/libAirports.a ../../src/Network/libNetwork.a > ../../src/NetworkOLK/libNetworkOLK.a ../../src/Objects/libObjects.a > ../../src/Systems/libSystems.a ../../src/Time/libTime.a > ../../src/Environment/libEnvironment.a -lsgroute -lsgsky -lsgephem > -lsgtiming -lsgio -lsgscreen -lsgmath -lsgbucket -lsgdebug -lsgmagvar > -lsgmisc -lsgxml -lsgserial -lsgthreads -lplibpu -lplibfnt -lplibjs > -lplibnet -lplibssg -lplibsg -lplibul -lplibpsl -lmk4 -lz -lpthread -lm > -framework GLUT -framework OpenGL -framework Carbon -lobjc -lplibsl -lplibsm > -framework IOKit -framework CoreFoundation -lm ld: warning table of contents > of library: ../../src/FDM/JSBSim/libJSBSim.a not sorted slower link editing > will result (use the ranlib(1) -s option) ld: Undefined symbols: > trTileSize(_TRctx*, long, long, long) > trImageSize(_TRctx*, long, long) > trTileBuffer(_TRctx*, unsigned long, unsigned long, void*) > ssgVtxTable::ssgVtxTable[in-charge](unsigned, ssgVertexArray*, > ssgNormalArray*, ssgTexCoordArray*, ssgColourArray*) make: *** [fgfs] Error > 1 > > I have been using nm to poke around and believe I know what is going on, > even if I don't know how to fix it: > > david@Cynosure ~ > $ nm -o lib/libsgscreen.a FlightGear/src/GUI/gui_funcs.o | egrep > 'trTileSize|trImageSize|trTileBuffer' > lib/libsgscreen.a:tr.o:00001564 S _Z10trTileSizeP6_TRctxiii.eh > lib/libsgscreen.a:tr.o:0000158c S _Z11trImageSizeP6_TRctxii.eh > lib/libsgscreen.a:tr.o:000001d4 T __Z10trTileSizeP6_TRctxiii > FlightGear/src/GUI/gui_funcs.o: U __Z10trTileSizeP6_TRctxlll > lib/libsgscreen.a:tr.o:000003c8 T __Z11trImageSizeP6_TRctxii > FlightGear/src/GUI/gui_funcs.o: U __Z11trImageSizeP6_TRctxll > lib/libsgscreen.a:tr.o:0000036c T __Z12trTileBufferP6_TRctxjjPv > FlightGear/src/GUI/gui_funcs.o: U __Z12trTileBufferP6_TRctxmmPv > > If you look closely at the "T" lines and the "U" lines, you will see that > the symbol names do not match! No wonder the final link fails. I guess > I need some way to get the compiler to generate the same symbol names. > >From simgear/screen/tr.h: extern void trTileSize(TRcontext *tr, GLint width, GLint height, GLint border); It looks like GLint is defined as an int when compiling SimGear but is long when compiling FlightGear. Bernie _______________________________________________ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel
