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

Tanaka Akira via Redmine bugtracker-admin at leaf.dragonflybsd.org
Mon May 13 20:48:13 PDT 2013

Issue #2559 has been reported by akr.

Bug #2559: gcc -pie and __builtin_popcount causes 

Author: akr
Status: New
Priority: Normal
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 at 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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