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Using binutils 2.15: Under what circumstances would the linker allow a symbol to be referenced but not defined? In the image, pthread_mutex_lock=0, so anyone trying to call pthread_mutex_lock crashes when trying to access address 0. When trying --trace-symbol, the symbol is referenced but never defined. $ arm-elf-gcc -Wl,-static -g [trimmed] -nostdlib -nostartfiles -L../romapp/install/lib -Ttarget.ld -trace-symbol=pthread_mutex_lock output/./main.o: reference to pthread_mutex_lock /ecos-c/cdtworkspace/arm/install/bin/../lib/gcc/arm-elf/3.4.3/../../../../arm-elf/lib/libsupc++.a(eh_alloc.o): reference to pthread_mutex_lock /ecos-c/cdtworkspace/arm/install/bin/../lib/gcc/arm-elf/3.4.3/../../../../arm-elf/lib/libstdc++.a(locale_init.o): reference to pthread_mutex_lock /ecos-c/cdtworkspace/arm/install/bin/../lib/gcc/arm-elf/3.4.3/../../../../arm-elf/lib/libstdc++.a(allocator-inst.o): reference to pthread_mutex_lock (My goal is to get libstdc++ w/gcc 3.4.3 working for http://sources.redhat.com/ecos) -- Øyvind Harboe http://www.zylin.com
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