From 765b53e3fd1578250e5f7469c1b2cda566424dcc Mon Sep 17 00:00:00 2001
From: Ralph Lange <ralph.lange@gmx.de>
Date: Tue, 19 Sep 2017 17:02:48 +0200
Subject: [PATCH] client: add module version numbering

---
 src/client/Makefile        | 24 ++++++++++++++++++++++++
 src/client/caVersion.h     | 28 ++++++++++++++++++++++++++++
 src/client/caVersionNum.h@ |  7 +++++++
 3 files changed, 59 insertions(+)
 create mode 100644 src/client/caVersion.h
 create mode 100644 src/client/caVersionNum.h@

diff --git a/src/client/Makefile b/src/client/Makefile
index 1f61d8481..309986309 100644
--- a/src/client/Makefile
+++ b/src/client/Makefile
@@ -13,6 +13,11 @@ include $(TOP)/configure/CONFIG
 
 HTMLS += CAref.html
 
+EPICS_CA_MAJOR_VERSION = 4
+EPICS_CA_MINOR_VERSION = 13
+EPICS_CA_MAINTENANCE_VERSION = 1
+EPICS_CA_DEVELOPMENT_FLAG = 1
+
 #
 #	includes to install from this subproject
 #
@@ -25,6 +30,8 @@ INC += addrList.h
 INC += cacIO.h
 INC += caDiagnostics.h
 INC += net_convert.h
+INC += caVersion.h
+INC += caVersionNum.h
 
 LIBSRCS += cac.cpp
 LIBSRCS += cacChannel.cpp
@@ -115,4 +122,21 @@ ca_test_SYS_LIBS_WIN32 = ws2_32 advapi32 user32
 
 OBJS_vxWorks += ca_test
 
+EXPANDVARS += EPICS_CA_MAJOR_VERSION
+EXPANDVARS += EPICS_CA_MINOR_VERSION
+EXPANDVARS += EPICS_CA_MAINTENANCE_VERSION
+EXPANDVARS += EPICS_CA_DEVELOPMENT_FLAG
+
+EXPANDFLAGS += $(foreach var,$(EXPANDVARS),-D$(var)="$(strip $($(var)))")
+
+# shared library ABI version.
+SHRLIB_VERSION = $(EPICS_CA_MAJOR_VERSION).$(EPICS_CA_MINOR_VERSION).$(EPICS_CA_MAINTENANCE_VERSION)
+
+
 include $(TOP)/configure/RULES
+
+
+# Can't use EXPAND as generated headers must appear
+# in O.Common, but EXPAND emits rules for O.$(T_A)
+../O.Common/caVersionNum.h: ../caVersionNum.h@
+	$(EXPAND_TOOL) $(EXPANDFLAGS) $($@_EXPANDFLAGS) $< $@
diff --git a/src/client/caVersion.h b/src/client/caVersion.h
new file mode 100644
index 000000000..cdae17dce
--- /dev/null
+++ b/src/client/caVersion.h
@@ -0,0 +1,28 @@
+/*************************************************************************\
+* 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 CAVERSION_H
+#define CAVERSION_H
+
+#include <epicsVersion.h>
+#include <shareLib.h>
+
+#ifndef VERSION_INT
+#  define VERSION_INT(V,R,M,P) ( ((V)<<24) | ((R)<<16) | ((M)<<8) | (P))
+#endif
+
+/* include generated headers with:
+ *   EPICS_CA_MAJOR_VERSION
+ *   EPICS_CA_MINOR_VERSION
+ *   EPICS_CA_MAINTENANCE_VERSION
+ *   EPICS_CA_DEVELOPMENT_FLAG
+ */
+#include "caVersionNum.h"
+
+#define CA_VERSION_INT VERSION_INT(EPICS_CA_MAJOR_VERSION, EPICS_CA_MINOR_VERSION, EPICS_CA_MAINTENANCE_VERSION, 0)
+
+#endif // CAVERSION_H
diff --git a/src/client/caVersionNum.h@ b/src/client/caVersionNum.h@
new file mode 100644
index 000000000..26ce6e1af
--- /dev/null
+++ b/src/client/caVersionNum.h@
@@ -0,0 +1,7 @@
+#ifndef CAVERSION_H
+#  error include caVersion.h, not this header
+#endif
+#define EPICS_CA_MAJOR_VERSION @EPICS_CA_MAJOR_VERSION@
+#define EPICS_CA_MINOR_VERSION @EPICS_CA_MINOR_VERSION@
+#define EPICS_CA_MAINTENANCE_VERSION @EPICS_CA_MAINTENANCE_VERSION@
+#define EPICS_CA_DEVELOPMENT_FLAG @EPICS_CA_DEVELOPMENT_FLAG@