On Wed, Jan 20, 2016 at 2:22 PM, Hanno Böck <[email protected]> wrote: > Hi, > > I stumbled upon an issue that I'm not sure what the best fix is and > wanted to ask people here for opinions. > > There are a couple of packages that have a check in the configure > script that will check for the presence of the pthread_create function. > The check works as far as I understand as follows: > * check whether pthread_create is available without a flag > * check whether pthread_create is available with -lpthread > > Now here's the problem: libasan contains a pthread_create function. > Therefore the configure scripts will assume that pthread is available. > However libasan doesn't contain the full pthread functionality, other > functions like pthread_mutex_create aren't available. > > Therefore: > * configure script thinks we don't need -lpthread > * application uses pthread functionality that's not in libasan > * compilation fails > > > I have first encountered this in sqlite, upstream has now fixed this by > checking for a different pthread function (patch came from me): > https://www.sqlite.org/cgi/src/info/9c3a0dc2e8bf202c > > Now I wonder - is this a good solution? I know of at least three other > packages (poppler, openldap, p11-kit) that have the same issue and > wonder if I should send similar patches or if there's a better / more > clean solution to this.
FWIW you can add -lpthread whenever you add -fsanitize=address. -- You received this message because you are subscribed to the Google Groups "address-sanitizer" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
