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Re: failing to link siglongjmp with clang
On Wed, Apr 25, 2012 at 05:28:04PM -0400, James K. Lowden wrote:
> How does the symbol renaming magic work in libc?
> Using clang 1.0 (yeah, I know) siglongjmp fails to link
> interrupt.o: In function `inactive_interrupt_handler':
> undefined reference to `siglongjmp' collect2: ld returned 1 exit status
> for pretty obvious reasons
> $ nm /usr/lib/libc.so | grep siglongjmp
> 0000000000054650 T __siglongjmp14
> $ nm interrupt.o | grep siglongjmp
> U siglongjmp
> What to do, please?
Include the header that defines siglongjmp. It is defined something like
which instructs the compiler to emit calls via the latter name. I'm not
sure if assembler naming support was supported by such ancient Clang.
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