diff --git a/configure/os/CONFIG.Common.SL5-x86_64 b/configure/os/CONFIG.Common.SL5-x86_64
new file mode 100644
index 000000000..46a40f608
--- /dev/null
+++ b/configure/os/CONFIG.Common.SL5-x86_64
@@ -0,0 +1,3 @@
+# Include definitions common to linux pentium targets
+include $(CONFIG)/os/CONFIG.Common.linux-x86_64
+COMMANDLINE_LIBRARY = READLINE_NCURSES
diff --git a/configure/os/CONFIG.SL5-x86_64.Common b/configure/os/CONFIG.SL5-x86_64.Common
new file mode 100644
index 000000000..26c65b727
--- /dev/null
+++ b/configure/os/CONFIG.SL5-x86_64.Common
@@ -0,0 +1,3 @@
+#CONFIG.$(EPICS_HOST_ARCH).Common is required by build system
+#Include definitions common to linux hosts
+include $(CONFIG)/os/CONFIG.linux-x86_64.Common
diff --git a/configure/os/CONFIG.SL5-x86_64.SL5-x86_64 b/configure/os/CONFIG.SL5-x86_64.SL5-x86_64
new file mode 100644
index 000000000..2bf7aace1
--- /dev/null
+++ b/configure/os/CONFIG.SL5-x86_64.SL5-x86_64
@@ -0,0 +1,2 @@
+# Include common linux definitions
+include $(CONFIG)/os/CONFIG.linux-x86.linux-x86
diff --git a/configure/os/CONFIG_SITE.SL5-x86_64.Common b/configure/os/CONFIG_SITE.SL5-x86_64.Common
new file mode 100644
index 000000000..135c13e5d
--- /dev/null
+++ b/configure/os/CONFIG_SITE.SL5-x86_64.Common
@@ -0,0 +1,5 @@
+include $(CONFIG)/os/CONFIG_SITE.linux-x86_64.Common
+CROSS_COMPILER_TARGET_ARCHS += T2-ppc604
+CROSS_COMPILER_TARGET_ARCHS += embeddedlinux-xscale_be
+CROSS_COMPILER_TARGET_ARCHS += embeddedlinux-ppc405
+