diff --git a/configure/os/CONFIG.Common.solaris-sparc64 b/configure/os/CONFIG.Common.solaris-sparc64
new file mode 100644
index 000000000..e365bb763
--- /dev/null
+++ b/configure/os/CONFIG.Common.solaris-sparc64
@@ -0,0 +1,15 @@
+# CONFIG.Common.solaris-sparc64
+#
+# $Id$
+# This file is maintained by the build community.
+#
+# Definitions for solaris-sparc64 compiler target archs
+# Sites may override these definitions in CONFIG_SITE.Common.solaris-sparc64
+#-------------------------------------------------------
+
+# Include definitions common to all solaris-sparc target archs
+include $(CONFIG)/os/CONFIG.Common.solaris-sparc
+
+ARCH_DEP_CFLAGS += -xtarget=ultra -xarch=v9
+ARCH_DEP_CXXFLAGS += -xtarget=ultra -xarch=v9
+ARCH_DEP_LDFLAGS += -xtarget=ultra -xarch=v9
diff --git a/configure/os/CONFIG.solaris-sparc.solaris-sparc64 b/configure/os/CONFIG.solaris-sparc.solaris-sparc64
new file mode 100644
index 000000000..301638a31
--- /dev/null
+++ b/configure/os/CONFIG.solaris-sparc.solaris-sparc64
@@ -0,0 +1,11 @@
+# CONFIG.solaris-sparc.solaris-sparc64
+#
+# $Id$
+# This file is maintained by the build community.
+#
+# Definitions for solaris-sparc host - solaris-sparc64 target build with Sun compiler
+# Sites may override these definitions in CONFIG_SITE.solaris-sparc.solaris-sparc64
+#-------------------------------------------------------
+
+include $(CONFIG)/os/CONFIG.solaris-sparc64.solaris-sparc64
+
diff --git a/configure/os/CONFIG.solaris-sparc64.Common b/configure/os/CONFIG.solaris-sparc64.Common
new file mode 100644
index 000000000..d2e1bdba8
--- /dev/null
+++ b/configure/os/CONFIG.solaris-sparc64.Common
@@ -0,0 +1,12 @@
+# CONFIG.solaris-sparc64.Common
+#
+# $Id$
+# This file is maintained by the build community.
+#
+# Definitions for solaris-sparc Sun compiler host builds
+# Sites may override these definitions in CONFIG_SITE.solaris-sparc64.Common
+#-------------------------------------------------------
+
+#Include definitions common to solaris-sparc hosts
+include $(CONFIG)/os/CONFIG.solaris-sparc.Common
+
diff --git a/configure/os/CONFIG.solaris-sparc64.solaris-sparc64 b/configure/os/CONFIG.solaris-sparc64.solaris-sparc64
new file mode 100644
index 000000000..ab1f19a54
--- /dev/null
+++ b/configure/os/CONFIG.solaris-sparc64.solaris-sparc64
@@ -0,0 +1,11 @@
+# CONFIG.solaris-sparc64.solaris-sparc64
+#
+# $Id$
+# This file is maintained by the build community.
+#
+# Definitions for solaris-sparc Sun compiler host - solaris-sparc Sun compiler target builds
+# Sites may override these definitions in CONFIG_SITE.solaris-sparc64.solaris-sparc64
+#-------------------------------------------------------
+
+# Include common gnu compiler definitions
+include $(CONFIG)/os/CONFIG.solaris-sparc.solaris-sparc
diff --git a/configure/os/CONFIG_SITE.Common.solaris-sparc64 b/configure/os/CONFIG_SITE.Common.solaris-sparc64
new file mode 100644
index 000000000..307c7bcbd
--- /dev/null
+++ b/configure/os/CONFIG_SITE.Common.solaris-sparc64
@@ -0,0 +1,10 @@
+# CONFIG_SITE.Common.solaris-sparc64
+#
+# $Id$
+#
+# Site Specific definitions for solaris-sparc64 target
+# Only the local epics system manager should modify this file
+
+# Include definitions common to all solaris-sparc64 target archs
+include $(CONFIG)/os/CONFIG_SITE.Common.solaris-sparc
+