Re: libm compilation failing in -current

[Nick Hudson <nick.hudson%gmx.co.uk@localhost>]

On Wednesday 04 November 2009 09:02:58 John Klos wrote:
> Hi,
>
> Can anyone help me to learn why libm is failing? I'm using a netbsd-5
> system to compile -current, and it fails here:

I builds for me on a NetBSD/i386 netbsd-5 machine.

Do you have any local diffs? Did you try a clean build?

> #     build  libm/libm.so.0.7
> rm -f libm.so.0.7
> /usr/current/src/../tools/bin/m68k--netbsdelf-gcc  -Wl,-nostdlib
> -B/usr/current/src/../dest-amiga/usr/lib/
> -B/usr/current/src/../dest-amiga/usr/lib/  -Wl,-x -shared
> -Wl,-soname,libm.so.0 -Wl,--warn-shared-textrel -o libm.so.0.7
> -Wl,--whole-archive libm_pic.a  -Wl,--no-whole-archive
> -Wl,-rpath-link,/usr/current/src/../dest-amiga/lib:/usr/current/src/../dest
>-amiga/usr/lib -R/lib  -L/usr/current/src/../dest-amiga/lib 
> -Wl,--fatal-warnings -L/usr/current/src/../dest-amiga/usr/lib
> /usr/current/tools/bin/../lib/gcc/m68k--netbsdelf/4.1.3/../../../../m68k--n
>etbsdelf/bin/ld: warning: creating a DT_TEXTREL in a shared object.
> collect2: ld returned 1 exit status
> *** [libm.so.0.7] Error code 1
>
> I'm not sure how this is supposed to be fixed, especially since the
> "--warn-shared-textrel" seems to have been explicitely added. Any ideas?

Look for the relocation against in the .text segment using readelf / objdump 
against the library to find which bit of code it's in. Usually it's either 
code that's compiled without -fPIC or non-PIC assembler.

>
> John Klos

Nick