[DragonFlyBSD - Bug #2559] (Closed) gcc -pie and __builtin_popcount causes

[Tanaka Akira via Redmine <bugtracker-admin@xxxxxxxxxxxxxxxxxxxxx>]

Issue #2559 has been updated by akr.

Status changed from New to Closed

Oops.  You are right.
-fPIC solves the problem.

Thank you.
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Bug #2559: gcc -pie and __builtin_popcount causes 
http://bugs.dragonflybsd.org/issues/2559

Author: akr
Status: Closed
Priority: Normal
Assignee: 
Category: 
Target version: 


I found that __builtin_popcount is not usable with -pie option for gcc.

$ uname -a
DragonFly dragonfly34 3.4-RELEASE DragonFly v3.4.1-RELEASE #7: Wed Apr 24 20:01:27 PDT 2013     root@pkgbox64.dragonflybsd.org:/usr/obj/build/home/justin/src/sys/X86_64_GENERIC  x86_64
$ cat tst.c
#include <stdio.h>
int main(int argc, char *argv[])
{
  printf("%d\n", __builtin_popcount(argc));
  return 0;
}
$ gcc -pie tst.c
/usr/libexec/binutils222/elf/ld.bfd: /tmp//cc2Tj2Mb.o: relocation R_X86_64_32 against `.rodata' can not be used when making a shared object; recompile with -fPIC
/tmp//cc2Tj2Mb.o: could not read symbols: Bad value




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