Update from Gnulib

This incorporates:
2019-01-26 getloadavg: Add support for Android
2019-01-24 fchownat: Fix compilation error on Android 4.3
2019-01-24 mbtowc: Fix compilation error on Android 4.3
2019-01-24 random: Fix compilation error on Android 4.3
2019-01-24 renameat: Fix compilation error on Android 4.3
2019-01-24 unlinkat: Fix compilation error on Android 4.3
2019-01-19 gettext: support disabling use of VLAs
2019-01-17 sys_stat: Fix warning on OS/2 kLIBC
2019-01-17 fcntl: Fix syntax error (regression from 2018-10-05)
2019-01-10 verify: Enable _GL_HAVE_STATIC_ASSERT for recent G++
2018-12-22 stdioext: port to newer 32-bit Android
2018-12-16 libc-config: Support HP-UX cc in C99 mode.
* build-aux/config.guess, build-aux/config.sub, doc/misc/texinfo.tex:
* lib/cdefs.h, lib/fcntl.c, lib/getloadavg.c, lib/gettext.h:
* lib/regexec.c, lib/stdio-impl.h, lib/stdio.in.h, lib/stdlib.in.h:
* lib/sys_stat.in.h, lib/unistd.in.h, lib/verify.h, m4/stdlib_h.m4:
Copy from Gnulib.
* lib/gnulib.mk.in: Regenerate.

1 files changed, 10 insertions, 3 deletions

diff --git a/lib/gettext.h b/lib/gettext.h
index 89f53d917bb..c7c0fdb5311 100644
--- a/lib/gettext.h
+++ b/lib/gettext.h
@@ -184,9 +184,16 @@ npgettext_aux (const char *domain,
 
 #include <string.h>
 
-#if (((__GNUC__ >= 3 || __GNUG__ >= 2) && !defined __STRICT_ANSI__) \
-     /* || (__STDC_VERSION__ == 199901L && !defined __HP_cc)
-        || (__STDC_VERSION__ >= 201112L && !defined __STDC_NO_VLA__) */ )
+/* GNULIB_NO_VLA can be defined to disable use of VLAs even if supported.
+   This relates to the -Wvla and -Wvla-larger-than warnings, enabled in
+   the default GCC many warnings set.  This allows programs to disable use
+   of VLAs, which may be unintended, or may be awkward to support portably,
+   or may have security implications due to non-deterministic stack usage.  */
+
+#if (!defined GNULIB_NO_VLA \
+     && (((__GNUC__ >= 3 || __GNUG__ >= 2) && !defined __STRICT_ANSI__) \
+     /*  || (__STDC_VERSION__ == 199901L && !defined __HP_cc)
+         || (__STDC_VERSION__ >= 201112L && !defined __STDC_NO_VLA__) */ ))
 # define _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS 1
 #else
 # define _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS 0