diff --git a/configure/CONFIG_COMMON b/configure/CONFIG_COMMON
index 74d60c13f..38f72e0bc 100644
--- a/configure/CONFIG_COMMON
+++ b/configure/CONFIG_COMMON
@@ -284,8 +284,6 @@ LDCMD = $(LD) -o $@ $^
 PATH_FILTER = $(1)
 COMPILE.c = $(CC) -c $(CPPFLAGS) $(CFLAGS) $(call PATH_FILTER,$(INCLUDES)) $(SOURCE_FLAG)
 COMPILE.cpp = $(CCC) -c $(CPPFLAGS) $(CXXFLAGS) $(call PATH_FILTER,$(INCLUDES)) $(SOURCE_CXXFLAG)
-CFLAGS_ctdt = $(filter-out -pedantic,$(CFLAGS)) -fdollars-in-identifiers 
-COMPILE.ctdt = $(CC) -c $(CPPFLAGS) $(CFLAGS_ctdt) $(call PATH_FILTER,$(INCLUDES)) $(SOURCE_FLAG)
 
 #--------------------------------------------------
 # Depends command
diff --git a/configure/os/CONFIG.Common.vxWorksCommon b/configure/os/CONFIG.Common.vxWorksCommon
index 62f355521..41cd8e658 100644
--- a/configure/os/CONFIG.Common.vxWorksCommon
+++ b/configure/os/CONFIG.Common.vxWorksCommon
@@ -119,6 +119,11 @@ OSITHREAD_USE_DEFAULT_STACK = NO
 # Link definitions
 LINK.cpp = $(LD) -o $@ $(STATIC_LDFLAGS) $(LDFLAGS) $(PROD_LD_OBJS) $(PROD_LD_RESS) $(LDLIBS)
 
+#--------------------------------------------------
+# Definitions for compile of *_ctdt.c file
+CFLAGS_ctdt = $(filter-out -pedantic,$(CFLAGS)) -fdollars-in-identifiers
+COMPILE.ctdt = $(CC) -c $(CPPFLAGS) $(CFLAGS_ctdt) $(call PATH_FILTER,$(INCLUDES)) $(SOURCE_FLAG)
+
 #--------------------------------------------------
 # Allow site overrides
 -include $(CONFIG)/os/CONFIG_SITE.Common.vxWorksCommon