Kazunobu Kuriyama wrote:
> On Nov 3, 2013, at 11:58 AM, Bram Moolenaar <[email protected]> wrote:
>
> >
> > Hisashi T Fujinaka wrote:
> >
> >> I've been chasing this around and around, but on OS X 10.9 I don't get
> >> HAVE_AVAILABILITY_MACROS_H set in os_unix.c, so there's no #include
> >> <AvailabilityMacros.h> and my compile dies withthe following:
> >>
> >> os_unix.c:834:46: warning: declaration of 'struct sigaltstack' will not be
> >> visible outside of this function [-Wvisibility]
> >> extern int sigaltstack __ARGS((const struct sigaltstack *ss,
> >> struct sigaltstack *oss));
> >> ^
> >> ./os_unix.h:88:21: note: expanded from macro '__ARGS'
> >> # define __ARGS(x) x
> >> ^
> >> os_unix.c:834:13: error: conflicting types for 'sigaltstack'
> >> extern int sigaltstack __ARGS((const struct sigaltstack *ss,
> >> struct sigaltstack *oss));
> >> ^
> >> /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.9.sdk/usr/include/signal.h:85:5:
> >> note:
> >> previous declaration is here
> >> int sigaltstack(const stack_t * __restrict, stack_t * __restrict)
> >> __DARWIN_ALIAS(sigaltstack);
> >> ^
> >> 1 warning and 1 error generated.
> >> make: *** [objects/os_unix.o] Error 1
> >
> > Have you checked in src/auto/config.log why AvailabilityMacros.h is not
> > found?
> > You did do "make reconfigure" or "make distclean”?
>
> Thank you for your work, but unfortunately I have to say this.
>
> The same thing as Hisashi T Fujinaka experienced happened to me, and neither
> re-creation nor cleanup of the autoconf stuff helped me.
>
> The new configure script actually succeeded to detect AvailabilitMacros.h,
> and both of resulting config.log and config.cache acknowledged the existence
> and presence of the header file in question; however, config.status didn’t
> have a line which should look like D[“HAVE_AVAILABILITYMACROS_H"]=“ 1”, which
> was supposed to be placed there automatically by (the product of) autoconf.
> (Again, script re-creation/cleanup couldn't improve the situation for me.)
>
> Because of that, config.status failed to define and set
> HAVE_AVAILABILITYMACROS_H to 1 in config.h; instead, it simply added the line
> /* #undef HAVE_AVAILABILITYMACROS_H */ at the very end of the file. Too
> conservative for us to compile os_unix.c.
>
> Consequently, os_unix.c couldn’t be compiled with the latest patch, as
> Hisashi T Fujinaka reported.
>
> Hopefully, this note may help to fix the problem.
Yeah, it's because of the unusual way AC_CHECK_HEADER() is used.
We should just use AC_CHECK_HEADERS().
--
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[ CVS log "Beatles style" for FreeBSD ports/INDEX, Satoshi Asami ]
/// Bram Moolenaar -- [email protected] -- http://www.Moolenaar.net \\\
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