X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fxstrtoul.h;h=76b728f8646a0c93ba62b1c994ab258b27fe47db;hb=c52618d1e7305ada7afba73b6b0452bb8d6983cb;hp=878521aab4c47f9e6591b56d5ada6112c1fce35b;hpb=5417984f74da4ac85c55e61eb3b7e8d0dc18f5c2;p=gnulib.git

diff --git a/lib/xstrtoul.h b/lib/xstrtoul.h
index 878521aab..76b728f86 100644
--- a/lib/xstrtoul.h
+++ b/lib/xstrtoul.h
@@ -2,6 +2,12 @@
 # define XSTRTOUL_H_ 1
 
 # define STRING_TO_UNSIGNED 1
+
+/* Undefine this symbol so we can include xstrtol.h a second time.
+   Otherwise, a program that wanted both xstrtol.h and xstrtoul.h
+   would never get the declaration corresponding to the header file
+   included after the first one.  */
+# undef XSTRTOL_H_
 # include "xstrtol.h"
 
 #endif /* not XSTRTOUL_H_ */