diff --git a/configure/os/CONFIG.Common.solaris-sparc64-gnu b/configure/os/CONFIG.Common.solaris-sparc64-gnu
new file mode 100644
index 000000000..c6f0c5233
--- /dev/null
+++ b/configure/os/CONFIG.Common.solaris-sparc64-gnu
@@ -0,0 +1,18 @@
+# CONFIG.Common.solaris-sparc64-gnu
+#
+# $Id$
+# This file is maintained by the build community.
+#
+# Definitions for solaris-sparc64 gnu compiler target archs
+# Sites may override these definitions in CONFIG_SITE.Common.solaris-sparc64-gnu
+#-------------------------------------------------------
+
+# Include definitions common to all solaris-sparc-gnu  target archs
+include $(CONFIG)/os/CONFIG.Common.solaris-sparc-gnu
+
+ARCH_DEP_CFLAGS += -mcpu=v9 -m64
+ARCH_DEP_CXXFLAGS += -mcpu=v9 -m64
+ARCH_DEP_LDFLAGS += -mcpu=v9 -m64
+
+
+
diff --git a/configure/os/CONFIG.solaris-sparc64-gnu.Common b/configure/os/CONFIG.solaris-sparc64-gnu.Common
new file mode 100644
index 000000000..8dba815bc
--- /dev/null
+++ b/configure/os/CONFIG.solaris-sparc64-gnu.Common
@@ -0,0 +1,12 @@
+# CONFIG.solaris-sparc64-gnu.Common
+#
+# $Id$
+# This file is maintained by the build community.
+#
+# Definitions for solaris-sparc64 gnu compiler host builds
+# Sites may override these definitions in CONFIG_SITE.solaris-sparc64-gnu.Common
+#-------------------------------------------------------
+
+#Include definitions common to solaris-sparc-gnu hosts
+include $(CONFIG)/os/CONFIG.solaris-sparc-gnu.Common
+
diff --git a/configure/os/CONFIG.solaris-sparc64-gnu.solaris-sparc64-gnu b/configure/os/CONFIG.solaris-sparc64-gnu.solaris-sparc64-gnu
new file mode 100644
index 000000000..e92f92e0f
--- /dev/null
+++ b/configure/os/CONFIG.solaris-sparc64-gnu.solaris-sparc64-gnu
@@ -0,0 +1,12 @@
+# CONFIG.solaris-sparc64-gnu.solaris-sparc64-gnu
+#
+# $Id$
+# This file is maintained by the build community.
+#
+# Definitions for solaris-sparc64 gnu compiler host - solaris-sparc64 gnu compiler target builds
+# Sites may override these definitions in CONFIG_SITE.solaris-sparc64-gnu.solaris-sparc64-gnu
+#-------------------------------------------------------
+
+# Include common solaris-sparc-gnu definitions
+include $(CONFIG)/os/CONFIG.solaris-sparc-gnu.solaris-sparc-gnu
+
diff --git a/configure/os/CONFIG_SITE.Common.solaris-sparc64-gnu b/configure/os/CONFIG_SITE.Common.solaris-sparc64-gnu
new file mode 100644
index 000000000..f13b0a8ab
--- /dev/null
+++ b/configure/os/CONFIG_SITE.Common.solaris-sparc64-gnu
@@ -0,0 +1,11 @@
+# CONFIG_SITE.Common.solaris-sparc64-gnu
+#
+# $Id$
+#
+# Site Specific definitions for solaris-sparc64-gnu target
+# Only the local epics system manager should modify this file
+
+# Include definitions common to all solaris-sparc-gnu target archs
+include $(CONFIG)/os/CONFIG_SITE.Common.solaris-sparc-gnu
+
+COMMANDLINE_LIBRARY = EPICS