Add drd suppression file to the default suppressions and avoid
including core headers in the drd tool.

Patch from Bart Van Assche <bart.vanassche@gmail.com>.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@7318 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/configure.in b/configure.in
index 0604a6d..ba3944b 100644
--- a/configure.in
+++ b/configure.in
@@ -485,6 +485,7 @@
 	AC_DEFINE([GLIBC_2_2], 1, [Define to 1 if you're using glibc 2.2.x])
 	DEFAULT_SUPP="glibc-2.2.supp ${DEFAULT_SUPP}"
 	DEFAULT_SUPP="glibc-2.2-LinuxThreads-helgrind.supp ${DEFAULT_SUPP}"
+	DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
 	;;
 
      2.3)
@@ -492,6 +493,7 @@
 	AC_DEFINE([GLIBC_2_3], 1, [Define to 1 if you're using glibc 2.3.x])
 	DEFAULT_SUPP="glibc-2.3.supp ${DEFAULT_SUPP}"
 	DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}"
+	DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
 	;;
 
      2.4)
@@ -499,6 +501,7 @@
 	AC_DEFINE([GLIBC_2_4], 1, [Define to 1 if you're using glibc 2.4.x])
 	DEFAULT_SUPP="glibc-2.4.supp ${DEFAULT_SUPP}"
 	DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}"
+	DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
 	;;
 
      2.5)
@@ -506,18 +509,21 @@
 	AC_DEFINE([GLIBC_2_5], 1, [Define to 1 if you're using glibc 2.5.x])
 	DEFAULT_SUPP="glibc-2.5.supp ${DEFAULT_SUPP}"
 	DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}"
+	DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
 	;;
      2.6)
 	AC_MSG_RESULT(2.6 family)
 	AC_DEFINE([GLIBC_2_6], 1, [Define to 1 if you're using glibc 2.6.x])
 	DEFAULT_SUPP="glibc-2.6.supp ${DEFAULT_SUPP}"
 	DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}"
+	DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
 	;;
      2.7)
 	AC_MSG_RESULT(2.7 family)
 	AC_DEFINE([GLIBC_2_7], 1, [Define to 1 if you're using glibc 2.7.x])
 	DEFAULT_SUPP="glibc-2.7.supp ${DEFAULT_SUPP}"
 	DEFAULT_SUPP="glibc-2.34567-NPTL-helgrind.supp ${DEFAULT_SUPP}"
+	DEFAULT_SUPP="glibc-2.X-drd.supp ${DEFAULT_SUPP}"
 	;;
      aix5)
 	AC_MSG_RESULT(AIX 5.1 or 5.2 or 5.3)