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Re: Compiling wiht -fPIE
- From: Mark Wielaard <mjw at redhat dot com>
- To: elfutils-devel at lists dot fedorahosted dot org
- Date: Wed, 21 Jan 2009 21:47:24 +0100
- Subject: Re: Compiling wiht -fPIE
On Wed, 2009-01-21 at 12:24 -0800, Roland McGrath wrote:
> > systemtap uses something a bit more involved, but the above triggers the
> > TEXTREL check for me on i386.
>
> On x86_64 it doesn't even get that far:
>
> /usr/bin/ld: libelf_pic.a(elf_error.os): relocation R_X86_64_TPOFF32 against `a local symbol' can not be used when making a shared object; recompile with -fPIC
> libelf_pic.a(elf_error.os): could not read symbols: Bad value
> collect2: ld returned 1 exit status
>
> So, um. Is there something wrong with, "So don't do that!"?
>
> If you used that configure line for any other package that builds libraries
> you would probably break its build too.
Yeah, I guess that is the correct response. It never registered before
that -fPIE doesn't make sense for shared libraries, only for
executables.
Thanks,
Mark