Sync toplevel files with GCC

Sync with GCC
	2015-07-24  Michael Darling  <darlingm@gmail.com>

	PR other/66259
	* config-ml.in: Reflects renaming of configure.in to configure.ac
	* configure: Likewise
	* configure.ac: Likewise

ChangeLog

@@ -1,3 +1,13 @@
+2015-07-27  H.J. Lu  <hongjiu.lu@intel.com>
+
+	Sync with GCC
+	2015-07-24  Michael Darling  <darlingm@gmail.com>
+
+	PR other/66259
+	* config-ml.in: Reflects renaming of configure.in to configure.ac
+	* configure: Likewise
+	* configure.ac: Likewise
+
 2015-07-14  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* Makefile.in: Regenerated.

config-ml.in

@@ -31,7 +31,7 @@
 # user select which libraries s/he really wants.
 #
 # Subdirectories wishing to use multilib should put the following lines
-# in the "post-target" section of configure.in.
+# in the "post-target" section of configure.ac.
 #
 # if [ "${srcdir}" = "." ] ; then
 #   if [ "${with_target_subdir}" != "." ] ; then
@@ -182,8 +182,8 @@ if [ "${enable_multilib}" = yes ]; then
 # ${with_multisubdir} tells us we're in the right branch, but we could be
 # in a subdir of that.
 # ??? The previous version could void this test by separating the process into
-# two files: one that only the library's toplevel configure.in ran (to
-# configure the multilib subdirs), and another that all configure.in's ran to
+# two files: one that only the library's toplevel configure.ac ran (to
+# configure the multilib subdirs), and another that all configure.ac's ran to
 # update the Makefile.  It seemed reasonable to collapse all multilib support
 # into one file, but it does leave us with having to perform this test.
 ml_toplevel_p=no

configure

@@ -6176,7 +6176,7 @@ if test -d ${srcdir}/gcc; then
   if test x"${enable_languages+set}" != xset; then
     if test x"${LANGUAGES+set}" = xset; then
       enable_languages="${LANGUAGES}"
-        echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
+        echo configure.ac: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
     else
       enable_languages=all
     fi
@@ -6184,7 +6184,7 @@ if test -d ${srcdir}/gcc; then
     if test x"${enable_languages}" = x ||
        test x"${enable_languages}" = xyes;
        then
-      echo configure.in: --enable-languages needs at least one language argument 1>&2
+      echo configure.ac: --enable-languages needs at least one language argument 1>&2
       exit 1
     fi
   fi
@@ -6194,7 +6194,7 @@ if test -d ${srcdir}/gcc; then
   # and make the substitution.
   case ,${enable_languages}, in
     *,f95,*)
-      echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
+      echo configure.ac: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
       enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
       ;;
   esac
@@ -6816,7 +6816,7 @@ fi
 # have requested that this magic not happen.
 #
 # The command line options always override the explicit settings in
-# configure.in, and the settings in configure.in override this magic.
+# configure.ac, and the settings in configure.ac override this magic.
 #
 # If the default for a toolchain is to use GNU as and ld, and you don't
 # want to do that, then you should use the --without-gnu-as and

configure.ac

@@ -1866,7 +1866,7 @@ if test -d ${srcdir}/gcc; then
   if test x"${enable_languages+set}" != xset; then
     if test x"${LANGUAGES+set}" = xset; then
       enable_languages="${LANGUAGES}"
-        echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
+        echo configure.ac: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
     else
       enable_languages=all
     fi
@@ -1874,7 +1874,7 @@ if test -d ${srcdir}/gcc; then
     if test x"${enable_languages}" = x ||
        test x"${enable_languages}" = xyes;
        then
-      echo configure.in: --enable-languages needs at least one language argument 1>&2
+      echo configure.ac: --enable-languages needs at least one language argument 1>&2
       exit 1
     fi
   fi
@@ -1884,7 +1884,7 @@ if test -d ${srcdir}/gcc; then
   # and make the substitution.
   case ,${enable_languages}, in
     *,f95,*)
-      echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
+      echo configure.ac: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
       enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
       ;;
   esac
@@ -2455,7 +2455,7 @@ fi
 # have requested that this magic not happen.
 # 
 # The command line options always override the explicit settings in 
-# configure.in, and the settings in configure.in override this magic.
+# configure.ac, and the settings in configure.ac override this magic.
 #
 # If the default for a toolchain is to use GNU as and ld, and you don't 
 # want to do that, then you should use the --without-gnu-as and