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On Aug 25 14:31, James Greenhalgh wrote: > > Hi, > > As I mentioned recently [1], newlib is providing a "kill" symbol to link > against, without declaring "kill" in signal.h. This is confusing for the > libgfortran build, which tries to link against kill (which succeeds), then > tries to use it (which triggers -Werror=implicit-function-declaration). > > This patch implements my suggestion in that thread - making the declaration > of 'kill' in libc/include/sys/signal.h unconditional. > > I've tested this by building a modified libgfortran on AArch64/ARM to see > that the Werror goes away, and the libgfortran build succeeds. > > Is something like this OK for newlib? If so, can someone please commit > it on my behalf, as I have no commit access here. > > Otherwise, what is your preferred direction for me to take this patch? > > Thanks, > James > --- > 2015-08-25 James Greenhalgh <james.greenhalgh@arm.com> > > * libc/include/sys/signal.h (kill): Unconditionally declare. > > diff --git a/newlib/libc/include/sys/signal.h b/newlib/libc/include/sys/signal.h > index e9aba7c..09f0778 100644 > --- a/newlib/libc/include/sys/signal.h > +++ b/newlib/libc/include/sys/signal.h > @@ -183,9 +183,9 @@ int _EXFUN(pthread_sigmask, (int how, const sigset_t *set, sigset_t *oset)); > int _EXFUN(_kill, (pid_t, int)); > #endif /* _COMPILING_NEWLIB */ > #endif /* __CYGWIN__ || __rtems__ */ > -#if defined(__CYGWIN__) || defined(__rtems__) || defined(__SPU__) > + > int _EXFUN(kill, (pid_t, int)); > -#endif /* __CYGWIN__ || __rtems__ || __SPU__ */ > + > #if defined(__CYGWIN__) || defined(__rtems__) > int _EXFUN(killpg, (pid_t, int)); > int _EXFUN(sigaction, (int, const struct sigaction *, struct sigaction *)); Commited. Thanks, Corinna -- Corinna Vinschen Cygwin Maintainer Red Hat
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