https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=225783

--- gdb-6.8/gdb/testsuite/gdb.base/prelink.exp.orig	2008-07-12 08:56:43.000000000 +0200
+++ gdb-6.8/gdb/testsuite/gdb.base/prelink.exp	2008-07-12 08:59:59.000000000 +0200
@@ -55,7 +55,7 @@ if { [gdb_compile "${srcdir}/${subdir}/$
 # single new unprelinked library address without wasting the first one/two
 # memory areas.  We do not care of the efficiency of loading such resulting
 # exec-shield unfriendly prelinked library.
-if {[catch "system \"prelink -qNR --no-exec-shield ${libfile}\""] != 0} {
+if {[catch "system \"/usr/sbin/prelink -qNR --no-exec-shield ${libfile}\""] != 0} {
     # Maybe we don't have prelink.
     return -1
 }
@@ -96,11 +96,11 @@ if { $found == 0  } {
     return 0
 }
 
-if {[catch "system \"prelink -uN ${libfile}\""] != 0} {
+if {[catch "system \"/usr/sbin/prelink -uN ${libfile}\""] != 0} {
     untested "${testfile}.so was not prelinked, maybe system libraries are not prelinked?"
     return 0
 }
-catch "system \"prelink -qNR --no-exec-shield ${libfile}\""
+catch "system \"/usr/sbin/prelink -qNR --no-exec-shield ${libfile}\""
 
 # Start with a fresh gdb