Merge from gnulib.

* lib/filemode.h, lib/signal.in.h, lib/stat.c, lib/stdint.in.h:
* lib/stdlib.in.h, lib/unistd.in.h, m4/extensions.m4, m4/getloadavg.m4:
* m4/getopt.m4, m4/gnulib-common.m4, m4/largefile.m4, m4/mktime.m4:
* m4/multiarch.m4, m4/nocrash.m4, m4/stdio_h.m4, m4/time_r.m4:
Copy new versions from gnulib, incorporating the following changes:
2012-06-22 time_r: fix typo that always overrode localtime_r decl
2012-06-22 Write "Mac OS X" instead of "MacOS X".
2012-06-21 mktime: fix integer overflow in 'configure'-time test
2012-06-21 nonblocking: Avoid compilation error on mingw64.
2012-06-19 stat, fstat: Avoid warnings on mingw64.
2012-06-19 getopt-gnu: Fix exit code overflow in autoconf test.

6 files changed, 12 insertions, 11 deletions

diff --git a/lib/filemode.h b/lib/filemode.h
index 9ebef47806d..3ca19b85623 100644
--- a/lib/filemode.h
+++ b/lib/filemode.h
@@ -23,7 +23,7 @@
 
 /* Get the declaration of strmode.  */
 # if HAVE_DECL_STRMODE
-#  include <string.h> /* MacOS X, FreeBSD, OpenBSD */
+#  include <string.h> /* Mac OS X, FreeBSD, OpenBSD */
 #  include <unistd.h> /* NetBSD */
 # endif
 
diff --git a/lib/signal.in.h b/lib/signal.in.h
index e0f0554bdbd..8fb1ad119ad 100644
--- a/lib/signal.in.h
+++ b/lib/signal.in.h
@@ -55,7 +55,7 @@
 #ifndef _@GUARD_PREFIX@_SIGNAL_H
 #define _@GUARD_PREFIX@_SIGNAL_H
 
-/* MacOS X 10.3, FreeBSD 6.4, OpenBSD 3.8, OSF/1 4.0, Solaris 2.6 declare
+/* Mac OS X 10.3, FreeBSD 6.4, OpenBSD 3.8, OSF/1 4.0, Solaris 2.6 declare
    pthread_sigmask in <pthread.h>, not in <signal.h>.
    But avoid namespace pollution on glibc systems.*/
 #if (@GNULIB_PTHREAD_SIGMASK@ || defined GNULIB_POSIXCHECK) \
@@ -197,7 +197,7 @@ typedef int verify_NSIG_constraint[NSIG <= 32 ? 1 : -1];
 
 /* Test whether a given signal is contained in a signal set.  */
 # if @HAVE_POSIX_SIGNALBLOCKING@
-/* This function is defined as a macro on MacOS X.  */
+/* This function is defined as a macro on Mac OS X.  */
 #  if defined __cplusplus && defined GNULIB_NAMESPACE
 #   undef sigismember
 #  endif
@@ -210,7 +210,7 @@ _GL_CXXALIASWARN (sigismember);
 
 /* Initialize a signal set to the empty set.  */
 # if @HAVE_POSIX_SIGNALBLOCKING@
-/* This function is defined as a macro on MacOS X.  */
+/* This function is defined as a macro on Mac OS X.  */
 #  if defined __cplusplus && defined GNULIB_NAMESPACE
 #   undef sigemptyset
 #  endif
@@ -222,7 +222,7 @@ _GL_CXXALIASWARN (sigemptyset);
 
 /* Add a signal to a signal set.  */
 # if @HAVE_POSIX_SIGNALBLOCKING@
-/* This function is defined as a macro on MacOS X.  */
+/* This function is defined as a macro on Mac OS X.  */
 #  if defined __cplusplus && defined GNULIB_NAMESPACE
 #   undef sigaddset
 #  endif
@@ -235,7 +235,7 @@ _GL_CXXALIASWARN (sigaddset);
 
 /* Remove a signal from a signal set.  */
 # if @HAVE_POSIX_SIGNALBLOCKING@
-/* This function is defined as a macro on MacOS X.  */
+/* This function is defined as a macro on Mac OS X.  */
 #  if defined __cplusplus && defined GNULIB_NAMESPACE
 #   undef sigdelset
 #  endif
@@ -248,7 +248,7 @@ _GL_CXXALIASWARN (sigdelset);
 
 /* Fill a signal set with all possible signals.  */
 # if @HAVE_POSIX_SIGNALBLOCKING@
-/* This function is defined as a macro on MacOS X.  */
+/* This function is defined as a macro on Mac OS X.  */
 #  if defined __cplusplus && defined GNULIB_NAMESPACE
 #   undef sigfillset
 #  endif
diff --git a/lib/stat.c b/lib/stat.c
index 1fc633eeef0..75995408906 100644
--- a/lib/stat.c
+++ b/lib/stat.c
@@ -29,6 +29,7 @@
 
 #if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
 # if _GL_WINDOWS_64_BIT_ST_SIZE
+#  undef stat /* avoid warning on mingw64 with _FILE_OFFSET_BITS=64 */
 #  define stat _stati64
 #  define REPLACE_FUNC_STAT_DIR 1
 #  undef REPLACE_FUNC_STAT_FILE
diff --git a/lib/stdint.in.h b/lib/stdint.in.h
index 59c00d59c03..e2a0eb19ac0 100644
--- a/lib/stdint.in.h
+++ b/lib/stdint.in.h
@@ -83,7 +83,7 @@
 /* <sys/types.h> defines some of the stdint.h types as well, on glibc,
    IRIX 6.5, and OpenBSD 3.8 (via <machine/types.h>).
    AIX 5.2 <sys/types.h> isn't needed and causes troubles.
-   MacOS X 10.4.6 <sys/types.h> includes <stdint.h> (which is us), but
+   Mac OS X 10.4.6 <sys/types.h> includes <stdint.h> (which is us), but
    relies on the system <stdint.h> definitions, so include
    <sys/types.h> after @NEXT_STDINT_H@.  */
 #if @HAVE_SYS_TYPES_H@ && ! defined _AIX
diff --git a/lib/stdlib.in.h b/lib/stdlib.in.h
index b546133c3af..1d67ec64c66 100644
--- a/lib/stdlib.in.h
+++ b/lib/stdlib.in.h
@@ -87,8 +87,8 @@ struct random_data
 #endif
 
 #if (@GNULIB_MKSTEMP@ || @GNULIB_MKSTEMPS@ || @GNULIB_GETSUBOPT@ || defined GNULIB_POSIXCHECK) && ! defined __GLIBC__ && !((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__)
-/* On MacOS X 10.3, only <unistd.h> declares mkstemp.  */
-/* On MacOS X 10.5, only <unistd.h> declares mkstemps.  */
+/* On Mac OS X 10.3, only <unistd.h> declares mkstemp.  */
+/* On Mac OS X 10.5, only <unistd.h> declares mkstemps.  */
 /* On Cygwin 1.7.1, only <unistd.h> declares getsubopt.  */
 /* But avoid namespace pollution on glibc systems and native Windows.  */
 # include <unistd.h>
diff --git a/lib/unistd.in.h b/lib/unistd.in.h
index 9115486cf37..e904e512ee8 100644
--- a/lib/unistd.in.h
+++ b/lib/unistd.in.h
@@ -1318,7 +1318,7 @@ _GL_WARN_ON_USE (rmdir, "rmdir is unportable - "
 _GL_FUNCDECL_SYS (sethostname, int, (const char *name, size_t len)
                                     _GL_ARG_NONNULL ((1)));
 # endif
-/* Need to cast, because on Solaris 11 2011-10, MacOS X 10.5, IRIX 6.5
+/* Need to cast, because on Solaris 11 2011-10, Mac OS X 10.5, IRIX 6.5
    and FreeBSD 6.4 the second parameter is int.  On Solaris 11
    2011-10, the first parameter is not const.  */
 _GL_CXXALIAS_SYS_CAST (sethostname, int, (const char *name, size_t len));