> On 11 Oct 2016, at 05:12, Johannes Schindelin <johannes.schindelin@xxxxxx> wrote: > > Hi Lars, > > On Sat, 8 Oct 2016, larsxschneider@xxxxxxxxx wrote: > >> @@ -31,6 +32,15 @@ static void cleanup_children(int sig, int in_signal) >> while (children_to_clean) { >> struct child_to_clean *p = children_to_clean; >> children_to_clean = p->next; >> + >> + if (p->process && !in_signal) { >> + struct child_process *process = p->process; >> + if (process->clean_on_exit_handler) { >> + trace_printf("trace: run_command: running exit handler for pid %d", p->pid); > > On Windows, pid_t translates to long long int, resulting in this build > error: > > -- snip -- > In file included from cache.h:10:0, > from run-command.c:1: > run-command.c: In function 'cleanup_children': > run-command.c:39:18: error: format '%d' expects argument of type 'int', but argument 5 has type 'pid_t {aka long long int}' [-Werror=format=] > trace_printf("trace: run_command: running exit handler for pid %d", p->pid); > ^ > trace.h:81:53: note: in definition of macro 'trace_printf' > trace_printf_key_fl(TRACE_CONTEXT, __LINE__, NULL, __VA_ARGS__) > ^~~~~~~~~~~ > cc1.exe: all warnings being treated as errors > make: *** [Makefile:1987: run-command.o] Error 1 > -- snap -- > > Maybe use PRIuMAX as we do elsewhere (see output of `git grep > printf.*pid`): > > trace_printf("trace: run_command: running exit handler for pid %" > PRIuMAX, (uintmax_t)p->pid); Thanks for hint! I'll change it! However, I am building on Win 8.1 with your latest SDK and I cannot reproduce the error. Any idea why that might be the case? Thanks, Lars