3 files changed, 15 insertions, 2 deletions
diff --git a/ChangeLog b/ChangeLog
index 759f3435..f74cc679 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+2013-01-18         Arnold D. Robbins     <arnold@skeeve.com>
+
+	Fix a problem with include ordering to get ptrdiff_t definition,
+	showed up on Debian Lenny. Reported by Manuel Collado.
+	Fix brought over from grep.
+
+	* dfa.h: Include regex.h and stddef.h directly.
+	* dfa.c: Adjust includes.
+
 2013-01-11         John Haque            <j.eh@mchsi.com>
 
 	* awk.h (do_mpfr_rshift): Renamed from do_mpfr_rhift.
diff --git a/dfa.c b/dfa.c
index fa05181c..a7f69386 100644
--- a/dfa.c
+++ b/dfa.c
@@ -21,6 +21,9 @@
    Modified July, 1988 by Arthur David Olson to assist BMG speedups  */
 
 #include <config.h>
+
+#include "dfa.h"
+
 #include <assert.h>
 #include <ctype.h>
 #include <stdio.h>
@@ -79,8 +82,6 @@
 # include <langinfo.h>
 #endif
 
-#include "regex.h"
-#include "dfa.h"
 #include "xalloc.h"
 
 #ifdef GAWK
diff --git a/dfa.h b/dfa.h
index 96dd4b86..7d29ce2e 100644
--- a/dfa.h
+++ b/dfa.h
@@ -18,6 +18,9 @@
 
 /* Written June, 1988 by Mike Haertel */
 
+#include <regex.h>
+#include <stddef.h>
+
 /* Element of a list of strings, at least one of which is known to
    appear in any R.E. matching the DFA. */
 struct dfamust