Hi!

Ping -- OK to commit to trunk?

On Wed, 28 May 2014 23:55:31 +0200, Jan Hubicka <hubicka@ucw.cz> wrote:
> > On Mon, 26 May 2014 02:16:35 -0700, Andrew Pinski <pinskia@gmail.com> wrote:
> > > On Mon, May 26, 2014 at 1:59 AM, Dominique Dhumieres <dominiq@lps.ens.fr> wrote:
> > > > r210901 breaks bootstrap on targets not supporting strnlen, e.g., darwin10.
> > > >
> > > > ../../_clean/gcc/lto-cgraph.c:976:68: error: 'strnlen' was not declared in this scope
> > 
> > I'm seeing the same on MinGW, which also doesn't have strnlen (which is a
> > GNU extension).
> > 
> > > strnlen should be declared in include/libiberty.h if there is no
> > > declaration as libiberty support is already there.  That should be a
> > > simple fix.
> > 
> > Like this?
> 
> This looks good to me (thoguh strnlen is posix).  I can not approve the patch
> but I would preffer it over just hand implementing strnlen there (that is easy,
> too)

Patch is also considered good by testers in
<https://gcc.gnu.org/PR61334>.

> > --- gcc/config.in
> > +++ gcc/config.in
> > [Regenerate.]
> > --- gcc/configure
> > +++ gcc/configure
> > [Regenerate.]
> > --- gcc/configure.ac
> > +++ gcc/configure.ac
> > @@ -1136,7 +1136,7 @@ CFLAGS="$CFLAGS -I${srcdir} -I${srcdir}/../include $GMPINC"
> >  saved_CXXFLAGS="$CXXFLAGS"
> >  CXXFLAGS="$CXXFLAGS -I${srcdir} -I${srcdir}/../include $GMPINC"
> >  gcc_AC_CHECK_DECLS(getenv atol asprintf sbrk abort atof getcwd getwd \
> > -	strsignal strstr stpcpy strverscmp \
> > +	stpcpy strnlen strsignal strstr strverscmp \
> >  	errno snprintf vsnprintf vasprintf malloc realloc calloc \
> >  	free basename getopt clock getpagesize ffs gcc_UNLOCKED_FUNCS, , ,[
> >  #include "ansidecl.h"
> > diff --git include/libiberty.h include/libiberty.h
> > index 7fd0703..56b8b43 100644
> > --- include/libiberty.h
> > +++ include/libiberty.h
> > @@ -636,6 +636,10 @@ extern int snprintf (char *, size_t, const char *, ...) ATTRIBUTE_PRINTF_3;
> >  extern int vsnprintf (char *, size_t, const char *, va_list) ATTRIBUTE_PRINTF(3,0);
> >  #endif
> >  
> > +#if defined (HAVE_DECL_STRNLEN) && !HAVE_DECL_STRNLEN
> > +extern size_t strnlen (const char *, size_t);
> > +#endif
> > +
> >  #if defined(HAVE_DECL_STRVERSCMP) && !HAVE_DECL_STRVERSCMP
> >  /* Compare version strings.  */
> >  extern int strverscmp (const char *, const char *);


Grüße,
 Thomas