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Missing symbols

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Missing symbols

Subject: Missing symbols
From: Rick Mann <email@hidden>
Date: Fri, 16 Feb 2007 19:54:41 -0800

I found a D compiler plugin to Xcode that seems to work reasonably well. I've had to add a few settings to get it to compile my files, but I've got things mostly nailed down. However, there are a handful of undefined symbols that I can't seem to pin down. I've included the build output below. A family of symbols like "__Unwind_Resume" are missing. Can someone tell me where those are usually found?

When I call gdc (gcc with a D front end, built on top of Apple's gcc) to link my objects via Makefile, it works fine with no more than a - framework Carbon included. Xcode wants to call Ld, which seems to call gdc similarly, but fails. On the command line, gdc automatically links against libgphobos, but when called from Xcode, I have to include that specifically in the project.

--
Rick


-----

Building target “Demo” of project “Demo” with configuration “Debug”

Checking Dependencies Ld /Users/rmann/Darbon/darbon/trunk/examples/Demo/xcode/build/Debug/ Demo.app/Contents/MacOS/Demo normal i386 cd /Users/rmann/Darbon/darbon/trunk/examples/Demo/xcode /usr/bin/gdc -o /Users/rmann/Darbon/darbon/trunk/examples/Demo/ xcode/build/Debug/Demo.app/Contents/MacOS/Demo -L/Users/rmann/Darbon/ darbon/trunk/examples/Demo/xcode/build/Debug -L/Users/rmann/Darbon/ darbon/trunk/examples/Demo/xcode/../../../target/lib -L/usr/lib/gcc/ i686-apple-darwin8/4.0.1 -F/Users/rmann/Darbon/darbon/trunk/examples/ Demo/xcode/build/Debug -filelist /Users/rmann/Darbon/darbon/trunk/ examples/Demo/xcode/build/Demo.build/Debug/Demo.build/Objects-normal/ i386/Demo.LinkFileList -lgphobos -arch i386 -Wl,-Y,1455 -framework Carbon /usr/bin/ld: Undefined symbols: __Unwind_Resume __Unwind_GetIP __Unwind_GetLanguageSpecificData __Unwind_GetRegionStart __Unwind_RaiseException __Unwind_SetGR __Unwind_SetIP __Unwind_GetDataRelBase __Unwind_GetTextRelBase /Users/rmann/Darbon/darbon/trunk/examples/Demo/xcode/build/Demo.build/ Debug/Demo.build/Objects-normal/i386/DHIWindow.o reference to undefined __Unwind_Resume /usr/lib/gcc/i686-apple-darwin8/4.0.1/../../../libgphobos.a(deh.o) reference to undefined __Unwind_GetIP /usr/lib/gcc/i686-apple-darwin8/4.0.1/../../../libgphobos.a(deh.o) reference to undefined __Unwind_GetLanguageSpecificData /usr/lib/gcc/i686-apple-darwin8/4.0.1/../../../libgphobos.a(deh.o) reference to undefined __Unwind_GetRegionStart /usr/lib/gcc/i686-apple-darwin8/4.0.1/../../../libgphobos.a(deh.o) reference to undefined __Unwind_RaiseException /usr/lib/gcc/i686-apple-darwin8/4.0.1/../../../libgphobos.a(deh.o) reference to undefined __Unwind_SetGR /usr/lib/gcc/i686-apple-darwin8/4.0.1/../../../libgphobos.a(deh.o) reference to undefined __Unwind_SetIP /usr/lib/gcc/i686-apple-darwin8/4.0.1/../../../libgphobos.a(object.o) reference to undefined __Unwind_Resume /usr/lib/gcc/i686-apple-darwin8/4.0.1/../../../libgphobos.a(string.o) reference to undefined __Unwind_Resume /usr/lib/gcc/i686-apple-darwin8/4.0.1/../../../libgphobos.a(stdio.o) reference to undefined __Unwind_Resume /usr/lib/gcc/i686-apple-darwin8/4.0.1/../../../libgphobos.a(gc.o) reference to undefined __Unwind_Resume /usr/lib/gcc/i686-apple-darwin8/4.0.1/../../../libgphobos.a(gcx.o) reference to undefined __Unwind_Resume /usr/lib/gcc/i686-apple-darwin8/4.0.1/../../../libgphobos.a(unwind.o) reference to undefined __Unwind_GetDataRelBase /usr/lib/gcc/i686-apple-darwin8/4.0.1/../../../libgphobos.a(unwind.o) reference to undefined __Unwind_GetRegionStart /usr/lib/gcc/i686-apple-darwin8/4.0.1/../../../libgphobos.a(unwind.o) reference to undefined __Unwind_GetTextRelBase /usr/lib/gcc/i686-apple-darwin8/4.0.1/../../../libgphobos.a(thread.o) reference to undefined __Unwind_Resume /usr/lib/gcc/i686-apple-darwin8/4.0.1/../../../libgphobos.a (dgccmain2.o) reference to undefined __Unwind_Resume collect2: ld returned 1 exit status


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