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Mac Forum / Programming / Mac Programming / September 2004Undefined Symbol Xcode linker error with no symbol listed
I am getting an Undefined Symbol error at link time in Xcode with no undefined symbols listed. I don't know what to fix and I don't know where to start. The detailed compiler/linker window pane spit out the following but I don't know how to read it. Can anyone spot the error? Thanx - Jim ---------------------------------------------------------- /Developer/Private/jam -d1 -j1 JAMBASE=/Developer/Makefiles/pbx_jamfiles/ProjectBuilderJambase JAMFILE=- build ACTION=build _DEFAULT_GCC_VERSION=3.3 BUILD_STYLE=Development "CPP_HEADERMAP_FILE=/Users/jomeara/Desktop/The Project/Test Code/Concept test/build/ConceptGL.build/CocoaGL.build/CocoaGL.hmap" "SRCROOT=/Users/jomeara/Desktop/The Project/Test Code/Concept test" "OBJROOT=/Users/jomeara/Desktop/The Project/Test Code/Concept test/build" "SYMROOT=/Users/jomeara/Desktop/The Project/Test Code/Concept test/build" DSTROOT=/tmp/ConceptGL.dst jam: warning: no rule for file callbacks.MM jam: warning: no rule for file cylinder.MM jam: warning: no rule for file setup.MM jam: warning: no rule for file profile.MM jam: warning: no rule for file npath.MM jam: warning: no rule for file matrix.MM jam: warning: no rule for file materials.MM jam: warning: no rule for file lights.MM jam: warning: no rule for file draw.MM jam: warning: no rule for file dpoint.MM PBXCp /Users/jomeara/Desktop/The Project/Test Code/Concept test/build/CocoaGL.app/Contents/PkgInfo /Developer/Tools/pbxcp -exclude .DS_Store -exclude CVS -resolve-src-symlinks "/Users/jomeara/Desktop/The Project/Test Code/Concept test/build/ConceptGL.build/CocoaGL.build/PkgInfo" "/Users/jomeara/Desktop/The Project/Test Code/Concept test/build/CocoaGL.app/Contents" BuildPhase <CopyResources>CocoaGL.app CompileCplusplus /Users/jomeara/Desktop/The Project/Test Code/Concept test/build/ConceptGL.build/CocoaGL.build/Objects-normal/ppc/main.o /usr/bin/g++-3.3 -c -F"/Users/jomeara/Desktop/The Project/Test Code/Concept test/build" -I"/Users/jomeara/Desktop/The Project/Test Code/Concept test/build/include" -arch ppc -fno-common -fpascal-strings -O0 -Wmost -Wno-four-char-constants -Wno-unknown-pragmas -pipe "-fmessage-length=0" -mdynamic-no-pic -g "-Wp,-header-mapfile,/Users/jomeara/Desktop/The Project/Test Code/Concept test/build/ConceptGL.build/CocoaGL.build/CocoaGL.hmap" main.mm -o "/Users/jomeara/Desktop/The Project/Test Code/Concept test/build/ConceptGL.build/CocoaGL.build/Objects-normal/ppc/main.o" BuildPhase <DeriveAndCompileSources>CocoaGL.app ClearFileList /Users/jomeara/Desktop/The Project/Test Code/Concept test/build/ConceptGL.build/CocoaGL.build/Objects-normal/LinkFileList AppendToFileList /Users/jomeara/Desktop/The Project/Test Code/Concept test/build/ConceptGL.build/CocoaGL.build/Objects-normal/LinkFileList StandaloneExecutable /Users/jomeara/Desktop/The Project/Test Code/Concept test/build/CocoaGL.app/Contents/MacOS/CocoaGL StandaloneExecutable.LinkUsingFileList /Users/jomeara/Desktop/The Project/Test Code/Concept test/build/CocoaGL.app/Contents/MacOS/CocoaGL /usr/bin/g++-3.3 -o "/Users/jomeara/Desktop/The Project/Test Code/Concept test/build/CocoaGL.app/Contents/MacOS/CocoaGL" "-L/Users/jomeara/Desktop/The Project/Test Code/Concept test/build" "-F/Users/jomeara/Desktop/The Project/Test Code/Concept test/build" -filelist "/Users/jomeara/Desktop/The Project/Test Code/Concept test/build/ConceptGL.build/CocoaGL.build/Objects-normal/LinkFileList" "-arch" "ppc" "-prebind" "-Wl,-no_arch_warnings" "-framework" "Cocoa" "-framework" "OpenGL" "-framework" "GLUT" ld: warning prebinding disabled because of undefined symbols ld: Undefined symbols: mouseButton(int, int, int, int) mouseMotion(int, int) menuCallback(int) redraw() gfxInit() reshape(int, int) keypress(unsigned char, int, int) ...failed StandaloneExecutable.LinkUsingFileList /Users/jomeara/Desktop/The Project/Test Code/Concept test/build/CocoaGL.app/Contents/MacOS/CocoaGL ... > I am getting an Undefined Symbol error at link time in Xcode with no > undefined symbols listed. I don't know what to fix and I don't know > where to start. The detailed compiler/linker window pane spit out > the following but I don't know how to read it. Can anyone spot the > error? Thanx - Jim > ld: warning prebinding disabled because of undefined symbols > ld: Undefined symbols: [quoted text clipped - 5 lines] > reshape(int, int) > keypress(unsigned char, int, int) Something in your project references these functions, but the files that define those functions aren't in your project. Either remove your calls to them or find the files that define the functions and add them to your project. Hope this helps, Eric  SignatureEric Albert ejalbert@cs.stanford.edu http://outofcheese.org/ > I am getting an Undefined Symbol error at link time in Xcode with no > undefined symbols listed. I don't know what to fix and I don't know [quoted text clipped - 80 lines] > /Users/jomeara/Desktop/The Project/Test Code/Concept > test/build/CocoaGL.app/Contents/MacOS/CocoaGL ... Not sure, but you are trying to use Open GL, I checked on a project that worked and I had the following frameworks: ApplicationServices.framework Cocoa.framework CoreFoundation.framework IOKit.framework OpenGL.framework AppKit.framework Foundation.framework It looks like you are missing these items from a framework that is not included. (Just my guess) --jim > > /usr/bin/g++-3.3 -o "/Users/jomeara/Desktop/The Project/Test > > Code/Concept test/build/CocoaGL.app/Contents/MacOS/CocoaGL" [quoted text clipped - 30 lines] > It looks like you are missing these items from a framework that is > not included. He's including the Cocoa and OpenGL frameworks. Cocoa implicitly includes all of the ones you listed except IOKit and OpenGL and IOKit doesn't include the functions referenced above, so this isn't the problem. -Eric SignatureEric Albert ejalbert@cs.stanford.edu http://outofcheese.org/ > I am getting an Undefined Symbol error at link time in Xcode with no > undefined symbols listed. I don't know what to fix and I don't know [quoted text clipped - 15 lines] > /Users/jomeara/Desktop/The Project/Test Code/Concept > test/build/CocoaGL.app/Contents/MacOS/CocoaGL ... Don't trust the regular "build warnings and errors" list. It simply says "Undefined Symbols:". However, if you look in the raw text output in that window (which you pasted into your e-mail) instead of the pretty list with the icons, you'll see that the symbols are listed there. The nice list and the text output may occasionally differ. File a bug against it at <http://bugreport.apple.com>. I did, and if enough people do, they may finally fix it. Cheers, -- Uli http://www.zathras.de > I am getting an Undefined Symbol error at link time in Xcode with no > undefined symbols listed. I don't know what to fix and I don't know > where to start. The detailed compiler/linker window pane spit out > the following but I don't know how to read it. Can anyone spot the > error? Thanx - Jim > ---------------------------------------------------------- Little did I know that Xcode file extensions were case sensitive. The .mm file extension needed to be lowercase. Thank y'all for your help. > ld: Undefined symbols: > mouseButton(int, int, int, int) [quoted text clipped - 4 lines] > reshape(int, int) > keypress(unsigned char, int, int) Those are GLUT routines. You need to add the appropriate version of the GLUT library (or framework, if available) to your project. HTH, Tom_E SignatureThis address is valid in its unmodified form but expires soon. |
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