Re: Ld -U (Undefined Symbols) argument is ignored?
Re: Ld -U (Undefined Symbols) argument is ignored?
- Subject: Re: Ld -U (Undefined Symbols) argument is ignored?
- From: Jean-Daniel Dupas <email@hidden>
- Date: Sun, 20 Apr 2008 11:55:36 +0200
The -U has not the same meaning when passed to gcc than when passed to
ld. It should probably be -Wl,-U instead
But you may also use "-undefined dynamic_lookup" that should be
accepted by gcc directly.
Le 20 avr. 08 à 03:47, Jerry Krinock a écrit :
I'm building a Bundle project with Xcode 3.0. If you look near the
end of the arguments to Ld in the Build Transcript below, you'll see
that I've used the -U option to name three symbols that are
undefined at this time and should be linked dynamically at runtime.
(They exist in the main executable, which does not yet exist after a
Clean, since this dependent Bundle is built first.) But Ld ignores
my intentions and declares errors on these three undefined symbols
anyhow. What's wrong?
Ld /private/tmp/BmTiger.build/Release/BmTiger.build/Objects-normal/
ppc/BmTiger normal ppc
cd /Users/jk/Documents/Programming/Projects/Bookdog/BmTiger
/Developer/usr/bin/gcc-4.0 -o /private/tmp/BmTiger.build/Release/
BmTiger.build/Objects-normal/ppc/BmTiger -L/Users/jk/Documents/
Programming/Builds/Release -F/Users/jk/Documents/Programming/Builds/
Release -F/Users/jk/Documents/Programming/Projects/Bookdog/
BmTiger/../../../Builds/Release -F/Users/jk/Documents/Programming/
Projects/Bookdog/BmTiger/../../../Builds/Debug -F/Users/jk/Documents/
Programming/Projects/Bookdog/BmTiger/../../../Builds/Debug -F/Users/
jk/Documents/Programming/Projects/Bookdog/BmTiger/../../../Builds/
Release -F/Users/jk/Documents/Programming/Projects/Bookdog/
BmTiger/../../../Builds/Debug -F/Users/jk/Documents/Programming/
Projects/Bookdog/BmTiger/../../../Builds/Release -F/Users/jk/
Documents/Programming/Projects/Bookdog/BmTiger/../../../Builds/
Release -filelist /private/tmp/BmTiger.build/Release/BmTiger.build/
Objects-normal/ppc/BmTiger.LinkFileList -framework Cocoa -framework
SSAlert -framework SSApp -framework SSSQLiter -framework BmStuff -
arch ppc -bundle -mmacosx-version-min=10.4 -Wl,-dead_strip -
U .objc_class_name_NonhierarchicalStore -U .objc_class_name_Store -
U .objc_class_name_Browfile -isysroot /Developer/SDKs/MacOSX10.4u.sdk
Undefined symbols:
".objc_class_name_NonhierarchicalStore", referenced from:
.objc_class_name_DeliciousStore in DeliciousStore.o
".objc_class_name_Store", referenced from:
.objc_class_name_ShiiraStore in ShiiraStore.o
.objc_class_name_Firefox3Store in Firefox3Store.o
".objc_class_name_Browfile", referenced from:
literal-pointer@__OBJC@__cls_refs@Browfile in DeliciousTalker.o
ld: symbol(s) not found
collect2: ld returned 1 exit status
Thank you,
Jerry
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