X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fregex.m4;h=e04dd4a4fd779c69cabb3fbad9f8c5be9f463824;hb=1d9a0a33ef60f6b760d76637b658b3d38e5b5810;hp=6df43cac588ebe444b12f586e4b300125fb26317;hpb=d3ebe2cfb0774a024667b711b92c396b253b3a3d;p=gnulib.git

diff --git a/m4/regex.m4 b/m4/regex.m4
index 6df43cac5..e04dd4a4f 100644
--- a/m4/regex.m4
+++ b/m4/regex.m4
@@ -1,4 +1,4 @@
-#serial 17
+#serial 20
 
 dnl Initially derived from code in GNU grep.
 dnl Mostly written by Jim Meyering.
@@ -110,9 +110,10 @@ AC_DEFUN([jm_PREREQ_REGEX],
   dnl Persuade glibc <string.h> to declare mempcpy().
   AC_REQUIRE([AC_GNU_SOURCE])
 
+  AC_REQUIRE([gl_C_RESTRICT])
   AC_REQUIRE([AC_FUNC_ALLOCA])
   AC_REQUIRE([AC_HEADER_STDC])
-  AC_CHECK_HEADERS_ONCE(limits.h string.h wchar.h wctype.h)
+  AC_CHECK_HEADERS_ONCE(wchar.h wctype.h)
   AC_CHECK_FUNCS_ONCE(isascii mempcpy)
   AC_CHECK_FUNCS(btowc)
 ])