ioc: add module version numbering

src/ioc/Makefile

@@ -20,8 +20,16 @@ dbCore_SYS_LIBS_WIN32 += ws2_32
 dbCore_RCS += dbCore.rc
 dbStaticHost_RCS = dbStaticHost.rc
 
+INC += databaseVersion.h
+INC += databaseVersionNum.h
+
 PROD_LIBS = Com
 
+EPICS_DATABASE_MAJOR_VERSION = 3
+EPICS_DATABASE_MINOR_VERSION = 17
+EPICS_DATABASE_MAINTENANCE_VERSION = 0
+EPICS_DATABASE_DEVELOPMENT_FLAG = 1
+
 include $(IOCDIR)/as/Makefile
 include $(IOCDIR)/bpt/Makefile
 include $(IOCDIR)/db/Makefile
@@ -31,9 +39,25 @@ include $(IOCDIR)/misc/Makefile
 include $(IOCDIR)/registry/Makefile
 include $(IOCDIR)/rsrv/Makefile
 
+EXPANDVARS += EPICS_DATABASE_MAJOR_VERSION
+EXPANDVARS += EPICS_DATABASE_MINOR_VERSION
+EXPANDVARS += EPICS_DATABASE_MAINTENANCE_VERSION
+EXPANDVARS += EPICS_DATABASE_DEVELOPMENT_FLAG
+
+EXPANDFLAGS += $(foreach var,$(EXPANDVARS),-D$(var)="$(strip $($(var)))")
+
+# shared library ABI version.
+SHRLIB_VERSION = $(EPICS_DATABASE_MAJOR_VERSION).$(EPICS_DATABASE_MINOR_VERSION).$(EPICS_DATABASE_MAINTENANCE_VERSION)
+
 include $(TOP)/configure/RULES
 
 include $(IOCDIR)/dbStatic/RULES
 include $(IOCDIR)/bpt/RULES
 include $(IOCDIR)/db/RULES
 include $(IOCDIR)/dbtemplate/RULES
+
+# Can't use EXPAND as generated headers must appear
+# in O.Common, but EXPAND emits rules for O.$(T_A)
+../O.Common/databaseVersionNum.h: ../databaseVersionNum.h@
+	$(MKDIR) $(COMMON_DIR)
+	$(EXPAND_TOOL) $(EXPANDFLAGS) $($@_EXPANDFLAGS) $< $@

src/ioc/databaseVersion.h

@@ -0,0 +1,27 @@
+/*************************************************************************\
+* Copyright (c) 2017 UChicago Argonne LLC, as Operator of Argonne
+*     National Laboratory.
+* EPICS BASE is distributed subject to a Software License Agreement found
+* in file LICENSE that is included with this distribution.
+\*************************************************************************/
+
+#ifndef DATABASEVERSION_H
+#define DATABASEVERSION_H
+
+#include <epicsVersion.h>
+
+#ifndef VERSION_INT
+#  define VERSION_INT(V,R,M,P) ( ((V)<<24) | ((R)<<16) | ((M)<<8) | (P))
+#endif
+
+/* include generated headers with:
+ *   EPICS_DATABASE_MAJOR_VERSION
+ *   EPICS_DATABASE_MINOR_VERSION
+ *   EPICS_DATABASE_MAINTENANCE_VERSION
+ *   EPICS_DATABASE_DEVELOPMENT_FLAG
+ */
+#include "databaseVersionNum.h"
+
+#define DATABASE_VERSION_INT VERSION_INT(EPICS_DATABASE_MAJOR_VERSION, EPICS_DATABASE_MINOR_VERSION, EPICS_DATABASE_MAINTENANCE_VERSION, 0)
+
+#endif // DATABASEVERSION_H

src/ioc/databaseVersionNum.h@

@@ -0,0 +1,7 @@
+#ifndef DATABASEVERSION_H
+#  error include databaseVersion.h, not this header
+#endif
+#define EPICS_DATABASE_MAJOR_VERSION @EPICS_DATABASE_MAJOR_VERSION@
+#define EPICS_DATABASE_MINOR_VERSION @EPICS_DATABASE_MINOR_VERSION@
+#define EPICS_DATABASE_MAINTENANCE_VERSION @EPICS_DATABASE_MAINTENANCE_VERSION@
+#define EPICS_DATABASE_DEVELOPMENT_FLAG @EPICS_DATABASE_DEVELOPMENT_FLAG@