diff --git a/configure/os/CONFIG.Common.UnixCommon b/configure/os/CONFIG.Common.UnixCommon
index c3f1fcc3a..fd5023c6c 100644
--- a/configure/os/CONFIG.Common.UnixCommon
+++ b/configure/os/CONFIG.Common.UnixCommon
@@ -3,24 +3,21 @@
 # $Id$
 #
 #  Contains definitions common to all Unix target archs
-#  CONFIG.Common.<os_arch> files will override
 #
 #  This file is maintained by the build community.
-#  Sites may override common definitions in CONFIG_SITE.Common.UnixCommon
+#  Sites may override definitions in CONFIG_SITE.Common.UnixCommon
+#  or CONFIG_SITE.<host>.UnixCommon
 #-------------------------------------------------------
  
 # Unix valid build types
-
 VALID_BUILDS = Host Ioc
 
 #-------------------------------------------------------
 # Gnu directory
-
 GNU_DIR = /usr/local
 
 #-------------------------------------------------------
 # Unix prefix and suffix definitions
-
 EXE =
 OBJ = .o
 #Library prefix and suffixes
@@ -29,8 +26,7 @@ LIB_SUFFIX = .a
 SHRLIB_SUFFIX = .so$(addprefix .,$(SHRLIB_VERSION))
 
 #-------------------------------------------------------
-#	adjust names of libraries to build
-#
+#	names of libraries to build 
 # <lib> ->  lib<lib>.a
 LIBNAME = $(BUILD_LIBRARY:%=$(LIB_PREFIX)%$(LIB_SUFFIX))
 # <lib> ->  lib<lib>.so.<version>
@@ -38,31 +34,22 @@ SHRLIBNAME = $(BUILD_LIBRARY:%=$(LIB_PREFIX)%$(SHRLIB_SUFFIX))
 
 #-------------------------------------------------------
 # Shared library definitions
-
 SHRLIB_LDFLAGS = $($(ANSI)_SHRLIB_LDFLAGS_$(strip $(SHARED_LIBRARIES)))
 SHRLIB_LDLIBS = $($*_LIBS:%=-l%)
 
-INSTALL_SHRLIB = $(INSTALL_LIB)
-
 #--------------------------------------------------
 # Prod: dependancy definitions
-
 PROD_DEPLIBS = $(foreach lib,$(PROD_LIBS) $(USR_LIBS),$(firstword $(wildcard  \
 $($(lib)_DIR)/$(LIB_PREFIX)$(lib).*)))
 
 #--------------------------------------------------
 # Prod: LDFLAGS and LDLIBS definitions
-
 DEPLIB_DIRS = $(dir $($*_DEPLIBS)) $(dir $(PROD_DEPLIBS))
 DEPLIB_LDFLAGS += $(sort $(DEPLIB_DIRS:%=-L%))
 
 DEPLIB_LDLIBS = $($*_LIBS:%=-l%) $(PROD_LIBS:%=-l%) $(USR_LIBS:%=-l%)\
  $($*_SYS_LIBS:%=-l%) $(SYS_PROD_LIBS:%=-l%)
 
-######Above DEPLIB_LDFLAGS and DEPLIB_LDLIBS defs might be able to be replaced by the
-###### following def if we look for *.so followed by *.a with check for STATIC BUILD
-######DEPLIB_LDLIBS = $($*_DEPLIBS) $(PROD_DEPLIBS) $(SYS_PROD_LIBS:%=-l%)
-
 #--------------------------------------------------
 #  Allow code to be used in a shared library
 GCC_DEP_CFLAGS =  -fPIC
diff --git a/configure/os/CONFIG.Common.vxWorksCommon b/configure/os/CONFIG.Common.vxWorksCommon
index eee5ad1ac..e408f82db 100644
--- a/configure/os/CONFIG.Common.vxWorksCommon
+++ b/configure/os/CONFIG.Common.vxWorksCommon
@@ -1,13 +1,15 @@
 # CONFIG.Common.vxWorksCommon
 #
 # $Id$
-# This file is maintained by the build community.
 #
 # Definitions for vxWorks target archs
+#
+# This file is maintained by the build community.
 # Sites may override these definitions in CONFIG_SITE.Common.vxWorksCommon
+# or CONFIG_SITE.<host>.vxWorksCommon
 
 #-------------------------------------------------------
-# Vx valid build types and include directory suffixes
+# Vx valid build types
 VALID_BUILDS = Ioc
 
 #--------------------------------------------------
@@ -34,28 +36,19 @@ INSTALL_LOCATION_LIB=$(INSTALL_LOCATION)/bin
 
 #--------------------------------------------------
 # vxWorks directory definitions
-
-# The definitions GNU_DIR, GNU_BIN and GNU_LIB
-# can be overridden for specific host architectures
-# by creating a CONFIG_SITE.Host.<host_arch> file with
-# the override definitions.
- 
 # Tornado directory definitions
 VX_INCLUDE = $(VX_DIR)/target/h
 GNU_DIR = $(VX_DIR)/host/$(WIND_HOST_TYPE)
 
+#-------------------------------------------------------
+# Command definition overrides
 GCC_LD = $(GNU_BIN)/$(GNU_TARGET_PREFIX)ld$(CMPLR_SUFFIX) -r
 
-#-------------------------------------------------------
-# GCC override
 # use ld  partial linking not ar to create libraries)
 GCC_AR = $(GCC_LD)
 ARFLAGS = -o
 GCC_RANLIB =
 
-GCC_DEP_CPPFLAGS = -D_REENTRANT
-G++_DEP_CPPFLAGS = -D_REENTRANT
-
 #--------------------------------------------------
 # C++ host processing
 NM = $(GNU_BIN)/$(GNU_TARGET_PREFIX)nm$(CMPLR_SUFFIX)
@@ -72,8 +65,13 @@ else
 MUNCH = $(GNU_BIN)/$(GNU_TARGET_PREFIX)munch$(EXE)
 endif
 
+#-------------------------------------------------------
+# Compile flag overrides
+GCC_DEP_CPPFLAGS = -D_REENTRANT
+G++_DEP_CPPFLAGS = -D_REENTRANT
+
 #--------------------------------------------------
-# Posix flags
+# Posix flags override
 POSIX_CPPFLAGS =
 
 #--------------------------------------------------
@@ -96,11 +94,11 @@ G++_OPT_YES = -O2
 G++_OPT_NO = -g
 
 #--------------------------------------------------
-# c++ exceptions,  YES or NO
+# c++ exceptions,  YES or NO override
 CXX_EXCEPTIONS = NO
 
 #--------------------------------------------------
-# osithead use default stack, YES or NO
+# osithead use default stack, YES or NO override
 OSITHREAD_USE_DEFAULT_STACK = NO
 
 #--------------------------------------------------