https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64237
--- Comment #4 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
(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
