diff --git a/rtems/config/4.11/rtems-arm.bset b/rtems/config/4.11/rtems-arm.bset
index 4512f57..d876653 100644
--- a/rtems/config/4.11/rtems-arm.bset
+++ b/rtems/config/4.11/rtems-arm.bset
@@ -35,5 +35,5 @@
 devel/expat-2.1.0-1
 tools/rtems-binutils-2.24-1
 tools/rtems-gcc-4.8.2-newlib-2.1.0-1
-tools/rtems-gdb-7.6.2-1
+tools/rtems-gdb-7.7-1
 tools/rtems-kernel-4.11
diff --git a/rtems/config/4.11/rtems-avr.bset b/rtems/config/4.11/rtems-avr.bset
index 545545d..548bb5c 100644
--- a/rtems/config/4.11/rtems-avr.bset
+++ b/rtems/config/4.11/rtems-avr.bset
@@ -47,5 +47,5 @@
 devel/expat-2.1.0-1
 tools/rtems-binutils-2.24-1
 tools/rtems-gcc-4.8.2-newlib-2.1.0-1
-tools/rtems-gdb-7.6.2-1
+tools/rtems-gdb-7.7-1
 tools/rtems-kernel-4.11
diff --git a/rtems/config/4.11/rtems-bfin.bset b/rtems/config/4.11/rtems-bfin.bset
index 2e698b0..4402042 100644
--- a/rtems/config/4.11/rtems-bfin.bset
+++ b/rtems/config/4.11/rtems-bfin.bset
@@ -24,5 +24,5 @@
 devel/expat-2.1.0-1
 tools/rtems-binutils-2.24-1
 tools/rtems-gcc-4.8.2-newlib-2.1.0-1
-tools/rtems-gdb-7.6.2-1
+tools/rtems-gdb-7.7-1
 tools/rtems-kernel-4.11
diff --git a/rtems/config/4.11/rtems-h8300.bset b/rtems/config/4.11/rtems-h8300.bset
index 51d20bc..9df4211 100644
--- a/rtems/config/4.11/rtems-h8300.bset
+++ b/rtems/config/4.11/rtems-h8300.bset
@@ -17,6 +17,11 @@
 #
 %include rtems-4.11-base.bset
 
+#
+# Disable building ICONV support. The speed up arrays are too large.
+#
+%define with_iconv 0
+
 #
 # Tools configuration.
 #
@@ -24,5 +29,5 @@
 devel/expat-2.1.0-1
 tools/rtems-binutils-2.24-1
 tools/rtems-gcc-4.8.2-newlib-2.1.0-1
-tools/rtems-gdb-7.6.2-1
+tools/rtems-gdb-7.7-1
 tools/rtems-kernel-4.11