@@ -, +, @@ 
 (Fixes #13940)
---
 configure.ac           | 1 +
 panel-plugin/devperf.c | 3 +++
 2 files changed, 4 insertions(+)
--- a/configure.ac	
+++ a/configure.ac	
@@ -41,6 +41,7 @@ dnl **********************************
 dnl *** Check for standard headers ***
 dnl **********************************
 AC_HEADER_STDC()
+AC_CHECK_HEADERS([sys/sysmacros.h])
 AC_CHECK_LIBM
 AC_SUBST(LIBM)
 
--- a/panel-plugin/devperf.c	
+++ a/panel-plugin/devperf.c	
@@ -35,6 +35,9 @@ 
 #include <sys/time.h>
 /* for major() and minor() */
 #define _BSD_SOURCE
+#ifdef HAVE_SYS_SYSMACROS_H
+#include <sys/sysmacros.h>
+#endif
 #include <sys/types.h>
 
 
--