2 files changed, 7 insertions, 0 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index 47110ca04f1..9b76d795249 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,5 +1,7 @@
 2012-07-07  Paul Eggert  <eggert@cs.ucla.edu>
 
+        * sysdep.c (ULLONG_MAX): Define if not already defined (Bug#11781).
+
         * sysdep.c (list_system_processes): Port to NetBSD-current (Bug#11797).
 
         Do not require float-time's arg to fit in time_t (Bug#11825).
diff --git a/src/sysdep.c b/src/sysdep.c
index cf646768af5..475c977044b 100644
--- a/src/sysdep.c
+++ b/src/sysdep.c
@@ -108,6 +108,11 @@ static int emacs_set_tty (int, struct emacs_tty *, int);
 static _Noreturn void croak (char *);
 #endif
 
+/* ULLONG_MAX is missing on Red Hat Linux 7.3; see Bug#11781.  */
+#ifndef ULLONG_MAX
+#define ULLONG_MAX TYPE_MAXIMUM (unsigned long long int)
+#endif
+
 /* Declare here, including term.h is problematic on some systems.  */
 extern void tputs (const char *, int, int (*)(int));