#159 autogen-5.18.1 fails to build with clang-3.3

[austin987]

Forwarding from downstream (Gentoo) https://bugs.gentoo.org/show_bug.cgi?id=502472

clang -fno-color-diagnostics -DHAVE_CONFIG_H -I. -I.. -I.. -I../autoopts -pthread -O2 -march=corei7 -g -pipe -c -o autogen-ag.o test -f 'ag.c' || echo './'ag.c
In file included from ag.c:7:
In file included from ./autogen.h:60:
In file included from /usr/include/libguile.h:33:
In file included from /usr/include/libguile/async.h:26:
In file included from /usr/include/libguile/root.h:27:
/usr/include/libguile/throw.h:94:48: error: '_Noreturn' can only appear on
functions
SCM_API SCM scm_ithrow (SCM key, SCM args, int noreturn);
^
/usr/bin/../lib/clang/3.3/include/stdnoreturn.h:27:18: note: expanded from macro
'noreturn'

define noreturn _Noreturn

             ^

clang version 3.3 (tags/RELEASE_33/final)
Target: x86_64-pc-linux-gnu
Thread model: posix

[Bruce Korb]

This is a GUILE bug.