[svn-r21072] Purpose:

Work for HDFFV-7600 - GMQS: h5diff - argument options -d, -p and --use-system-epsilon should be mutually exclusive.

Description:
    Fixed h5diff to display instructive error message and exit with 1
    when mutually exclusive options (-d, -p and --use-system-epsilon)
    are used together.

Tested:
    jam (linux32-LE), koala (linux64-LE), heiwa (linuxppc64-BE), tejeda (mac32-LE), linew (solaris-BE), Cmake (jam)

tools/h5diff/h5diff_common.h

@@ -17,6 +17,8 @@
 #define H5DIFFCOMMON_H__
 
 #include "h5tools.h"
+/* Name of tool */
+#define PROGRAMNAME "h5diff"
 
 #ifdef __cplusplus
 extern "C" {