diff --git a/configure/os/CONFIG.linux-x86.linux-x86-debug b/configure/os/CONFIG.linux-x86.linux-x86-debug
new file mode 100644
index 000000000..3c57ec6e5
--- /dev/null
+++ b/configure/os/CONFIG.linux-x86.linux-x86-debug
@@ -0,0 +1,16 @@
+# CONFIG.linux-x86-debug.linux-x86-debug
+#
+# $Id$
+# This file is maintained by the build community.
+#
+# Definitions for linux-x86 host - linux-x86-debug target build with debug compiler flags
+# Sites may override these definitions in CONFIG_SITE.linux-x86.linux-x86-debug
+#-------------------------------------------------------
+
+include $(CONFIG)/os/CONFIG.linux-x86-debug.linux-x86-debug
+
+BUILD_CLASS = HOST
+
+CMPLR_SUFFIX=
+CMPLR_PREFIX=
+
diff --git a/configure/os/CONFIG.solaris-sparc.solaris-sparc-debug b/configure/os/CONFIG.solaris-sparc.solaris-sparc-debug
new file mode 100644
index 000000000..ce876c932
--- /dev/null
+++ b/configure/os/CONFIG.solaris-sparc.solaris-sparc-debug
@@ -0,0 +1,18 @@
+# CONFIG.solaris-sparc-debug.solaris-sparc-debug
+#
+# $Id$
+# This file is maintained by the build community.
+#
+# Definitions for solaris-sparc host - solaris-sparc target build with debug compiler flags
+# Sites may override these definitions in CONFIG_SITE.solaris-sparc-debug.solaris-sparc-debug
+#-------------------------------------------------------
+
+include $(CONFIG)/os/CONFIG.solaris-sparc.solaris-sparc
+
+BUILD_CLASS = HOST
+
+GNU = NO
+
+CMPLR_SUFFIX=
+CMPLR_PREFIX=
+
diff --git a/configure/os/CONFIG.solaris-sparc.solaris-sparc-gnu b/configure/os/CONFIG.solaris-sparc.solaris-sparc-gnu
new file mode 100644
index 000000000..4a38714f3
--- /dev/null
+++ b/configure/os/CONFIG.solaris-sparc.solaris-sparc-gnu
@@ -0,0 +1,11 @@
+# CONFIG.solaris-sparc.solaris-sparc-gnu
+#
+# $Id$
+# This file is maintained by the build community.
+#
+# Definitions for solaris-sparc host - solaris-sparc-gnu target build with gnu compiler
+# Sites may override these definitions in CONFIG_SITE.solaris-sparc.solaris-sparc-gnu
+#-------------------------------------------------------
+
+include $(CONFIG)/os/CONFIG.solaris-sparc-gnu.solaris-sparc-gnu
+