On 21 February 2011 18:10, Peter O'Gorman wrote:
> Hi,
>
> We're currently using gcc-4.4.
>
> On IRIX 6.5, we get crashes if -lpthread is ordered before
> -lstdc++ (warnings about "not used for resolving any symbol" removed
> below):
> % echo 'int main() {}' >a.cpp
> % g++ a.cpp -lpthread; ./a.out; echo $?
> zsh: segmentation fault (core dumped) ./a.out
> 139
> % g++ a.cpp -pthread; ./a.out; echo $?
> 0
> % g++ a.cpp -lstdc++ -lpthread; ./a.out; echo $?
> 0
>
> With gcc-4.2.x we had a similar issue, but on Tru64, that seems to be
> fixed in 4.4.5. We have not tried trunk yet, is the problem already
> fixed there?
>
> We're looking at reordering -lpthread to come after -lstdc++ by patching
> cp/g++spec.c to fix this, but perhaps that is the wrong approach?
What if you use -D_REENTRANT as well as -lpthread?
