diff --git a/configure/CONFIG b/configure/CONFIG
index 7cb2b9f2d..6c8f0a51b 100644
--- a/configure/CONFIG
+++ b/configure/CONFIG
@@ -17,14 +17,13 @@
 #  Common build definitions
 #
 
-ifndef CONFIG
-CONFIG = $(TOP)/configure
-endif
+CONFIG ?= $(TOP)/configure
 
 -include $(CONFIG)/os/CONFIG_COMPAT
 
 -include $(CONFIG)/RELEASE
 -include $(CONFIG)/RELEASE.$(EPICS_HOST_ARCH)
+-include $(CONFIG)/RELEASE.$(EPICS_HOST_ARCH).$(T_A)
 
 include $(CONFIG)/CONFIG_COMMON