texi2pod.pl: Fix regular expression for @r to avoid exponential recursion.

contrib:
	* texi2pod.pl: Fix regular expression for @r to avoid exponential
	recursion.  From Russ Allbery <rra@stanford.edu>.  Remove perl
	version check.

gcc:
	* configure.in, configure: Revert previous patch requiring perl
	5.6.0.

From-SVN: r39053

contrib/ChangeLog

+2001-01-15  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+	* texi2pod.pl: Fix regular expression for @r to avoid exponential
+	recursion.  From Russ Allbery <rra@stanford.edu>.  Remove perl
+	version check.
+
 2001-01-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 
 	* warn_summary (stageNfilter): Update for recent changes in

contrib/texi2pod.pl

@@ -4,8 +4,6 @@
 # markup to Perl POD format.  It's intended to be used to extract
 # something suitable for a manpage from a Texinfo document.
 
-use v5.6.0;
-
 $output = 0;
 $skipping = 0;
 %sects = ();
@@ -262,7 +260,7 @@ sub postprocess
     s/\@(?:dmn|math)\{([^\}]*)\}/$1/g;
 
     # Handle @r inside bold.
-    1 while s/B<((?:[^<>]*|I<[^<>*]*>)*)R<([^>]*)>/B<$1>${2}B</g;
+    1 while s/B<((?:[^<>]|I<[^<>]*>)*)R<([^>]*)>/B<$1>${2}B</g;
 
     # Cross references are thrown away, as are @noindent and @refill.
     # (@noindent is impossible in .pod, and @refill is unnecessary.)

gcc/ChangeLog

+2001-01-15  Joseph S. Myers  <jsm28@cam.ac.uk>
+
+	* configure.in, configure: Revert previous patch requiring perl
+	5.6.0.
+
 2001-01-12  Aldy Hernandez  <aldyh@redhat.com>
 
 	* toplev.c (flag_guess_branch_prob): New.

gcc/configure.in

@@ -471,9 +471,9 @@ else
   BUILD_INFO=info		AC_SUBST(BUILD_INFO)
 fi
 
-# Are perl and pod2man recent enough to regenerate manpages?
-AC_MSG_CHECKING([for recent perl and Pod::Man])
-if perl -e 'use v5.6.0; use 1.10 Pod::Man' >/dev/null 2>&1; then
+# Is pod2man recent enough to regenerate manpages?
+AC_MSG_CHECKING([for recent Pod::Man])
+if perl -e 'use 1.10 Pod::Man' >/dev/null 2>&1; then
   AC_MSG_RESULT(yes)
   GENERATED_MANPAGES=generated-manpages		AC_SUBST(GENERATED_MANPAGES)
 else