Hello,
my gcc is my own built:
$ c++ -v
Using built-in specs.
Target: i386-pc-solaris2.11
Configured with: ../gcc-4.4.2/configure --prefix=/usr/local/gcc-4.4.2
--with-as=/usr/bin/gas --with-gnu-as --with-ld=/usr/bin/ld --without-gnu-ld
--enable-shared --enable-threads --enable-languages=c++
--with-gmp-include=/usr/include/gmp --with-mpfr-include=/usr/include/mpfr
Thread model: posix
gcc version 4.4.2 (GCC)
I'm trying to compile as simple as possible __sync_fetch_and_add testcase:
#include <iostream>
using namespace std;
int
main()
{
int x = 2;
int y = __sync_fetch_and_add(&x, 1);
cerr << "y: " << y << endl;
return y;
}
but the problem is that linking of this fails:
$ c++ sync_fetch_and_add_test.cc
Undefined first referenced
symbol in file
__sync_fetch_and_add_4 /var/tmp//cc17aqlv.o
ld: fatal: symbol referencing errors. No output written to a.out
collect2: ld returned 1 exit status
I've tried the same on OpenSuSE 11.2 with distro provided GNU C++ 4.4.1 and the
testcase links fine. Is there any known issue why GNU C++ does not support this
on OpenSolaris 2009.06?
Thanks!
Karel
--
Summary: Using __sync_fetch_and_add produces linking errors on
OpenSolaris
Product: gcc
Version: 4.4.2
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: kgardas at objectsecurity dot com
GCC build triplet: i386-pc-solaris2.11
GCC host triplet: i386-pc-solaris2.11
GCC target triplet: i386-pc-solaris2.11
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43980
