from 3.14.12.4 makeBaseApp

configure/CONFIG

-# CONFIG
+# CONFIG - Load build configuration data
+#
+# Do not make changes to this file!
 
-# You might want to change this to some shared set of rules, e.g.
-# RULES=/path/to/epics/support/modules/rules/x-y
-RULES=$(EPICS_BASE)
+# Allow user to override where the build rules come from
+RULES = $(EPICS_BASE)
 
+# RELEASE files point to other application tops
 include $(TOP)/configure/RELEASE
--include $(TOP)/configure/RELEASE.$(EPICS_HOST_ARCH)
 -include $(TOP)/configure/RELEASE.$(EPICS_HOST_ARCH).Common
 ifdef T_A
 -include $(TOP)/configure/RELEASE.Common.$(T_A)
 -include $(TOP)/configure/RELEASE.$(EPICS_HOST_ARCH).$(T_A)
 endif
 
-CONFIG=$(RULES)/configure
+CONFIG = $(RULES)/configure
 include $(CONFIG)/CONFIG
 
-# Override for definition in base
+# Override the Base definition:
 INSTALL_LOCATION = $(TOP)
+
+# CONFIG_SITE files contain other build configuration settings
 include $(TOP)/configure/CONFIG_SITE
--include $(TOP)/configure/CONFIG_SITE.$(EPICS_HOST_ARCH)
 -include $(TOP)/configure/CONFIG_SITE.$(EPICS_HOST_ARCH).Common
-
 ifdef T_A
  -include $(TOP)/configure/CONFIG_SITE.Common.$(T_A)
  -include $(TOP)/configure/CONFIG_SITE.$(EPICS_HOST_ARCH).$(T_A)
-
- -include $(TOP)/configure/O.$(T_A)/CONFIG_APP_INCLUDE
 endif
 
-# We need to build statically on Linux because we are linking with old version of some libraries from areaDetector
-ifeq ($(OS_CLASS), Linux)
-STATIC_BUILD=YES
-endif