https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64237
--- Comment #6 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
(In reply to H.J. Lu from comment #5)
> (In reply to Markus Trippelsdorf from comment #4)
> > (In reply to H.J. Lu from comment #3)
> > > (In reply to Markus Trippelsdorf from comment #0)
> > > > trippels@gcc20 nscd % cat nscd.i
> > > > extern int program_invocation_name;
> > > > extern void fn2(int, int);
> > > > void
> > > > fn1() { fn2(0, program_invocation_name); }
> > > >
> > > > trippels@gcc20 nscd % gcc -shared nscd.i -fpie
> > > > /home/trippels/bin/ld: /home/trippels/tmp/ccoI5Lbg.o: relocation
> > > > R_X86_64_PC32 against undefined symbol
> > > > `program_invocation_name@@GLIBC_2.2.5' can not be used when making a
> > > > shared
> > > > object; recompile with -fPIC
> > > > /home/trippels/bin/ld: final link failed: Bad value
> > > > collect2: error: ld returned 1 exit status
> > >
> > > If you use -fpie, you should use -pie.
> > > If you use -shared, you should use -fpic.
> >
> > -shared was used for demonstration purpose only.
> > Same issue with -pie:
> >
> > % gcc -O2 -pie nscd.i -fPIE
> > /usr/lib/x86_64-linux-gnu/Scrt1.o: In function `_start':
> > (.text+0x20): undefined reference to `main'
> > /home/trippels/bin/ld: /home/trippels/tmp/ccZF5sOU.o: relocation
> > R_X86_64_PC32 against undefined symbol
> > `program_invocation_name@@GLIBC_2.2.5' can not be used when making a shared
> > object; recompile with -fPIC
>
> Does -fuse-ld=gold work?
Yes.
I've configured and build gcc with gold. glibc doesn't support gold, so I had
to manually switch to ld.bfd.
Adding -fuse-ld=gold to the crtn.o link command posted above, also fixes the
issue.
