Issue #3222 has been reported by mneumann.
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Bug #3222: gcc - undefined reference to '__atomic_load' (missing libatomic?)
http://bugs.dragonflybsd.org/issues/3222
* Author: mneumann
* Status: New
* Priority: Normal
* Assignee:
* Category: Userland
* Target version: master
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I can't compile the following C11 program:
// atomic_test.c
#include <stdio.h>
#include <complex.h>
#include <stdatomic.h>
int main(void)
{
_Atomic long double _Complex x;
printf("(%Lf,%Lf)\n",creall(x), cimagl(x));
return 0;
}
> cc -std=c11 atomic_test.c
/tmp//ccTm73vw.o:atomic_test.c:function main: error: undefined reference to
'__atomic_load'
/tmp//ccTm73vw.o:atomic_test.c:function main: error: undefined reference to
'__atomic_load'
collect2: error: ld returned 1 exit status
On my Linux system, I can link in -latomic:
> cc -std=c11 atomic_test.c -latomic
But it seems this got removed from DragonFly's gcc8. I try to compile the Pony
compiler ponyc,
which requires these atomic ops.
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