From a5d713ba1fa5315aae2f86ea5b1de8f3ca4ef418 Mon Sep 17 00:00:00 2001
From: Don BURNS <don@andesengineering.com>
Date: Tue, 18 Mar 2003 18:40:19 +0000
Subject: [PATCH] Added support for versioning to the build system

---
 GNUmakefile       |  1 +
 Make/makedefs     | 32 +++++++++++++++++++++++++++++++-
 Make/versionrules | 21 +++++++++++++++++++++
 3 files changed, 53 insertions(+), 1 deletion(-)
 create mode 100644 Make/versionrules

diff --git a/GNUmakefile b/GNUmakefile
index 8c5b1ddb6..85da62748 100644
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -5,6 +5,7 @@ include $(TOPDIR)/Make/makedefs
 DIRS = $(TOP_LEVEL_DIRS)
 
 include $(TOPDIR)/Make/makedirrules
+include $(TOPDIR)/Make/versionrules
 include $(TOPDIR)/Make/instrules
 include $(TOPDIR)/Make/distrules
 include $(TOPDIR)/Make/helprules
diff --git a/Make/makedefs b/Make/makedefs
index 88a86b658..f8a5b6a22 100644
--- a/Make/makedefs
+++ b/Make/makedefs
@@ -22,8 +22,38 @@ TOPDIR     ?= ../
 THISDIR    = .
 MAKEDEPEND = ignore
 
+####################################################################### 
+##
+##                   VERSIONING SEMANTICS
+##
+## Version consistes of <major> . <minor> . <release> - <revision>
+## Where:
+##    major   : Production (0 = pre-production)
+##    minor   : 0-7 = Production minor, 8 = Alpha, 9 = Beta
+##    release : Release tag
+##    revision: Release revision - 0 = development (cutting edge). 
+##
+## Usage:
+##     Default - VERSION_REVISION is set to the value defined here
+##     Env variable PRODUCER_VERSION_REVISION overrides default    
+##           e.g.:
+##               % setenv PRODUCER_VERSION_REVISION 5
+##               % make version
+##     Command line overrides env variable
+##               % make VERSION_REVISION=  
+####################################################################### 
+VERSION_MAJOR    = 0
+VERSION_MINOR    = 9
+VERSION_RELEASE  = 4
+VERSION_REVISION ?= 0
+ifneq (,$(OSG_VERSION_REVISION))
+VERSION_REVISION = $(OSG_VERSION_REVISION)
+endif
+VERSION       = $(VERSION_MAJOR).$(VERSION_MINOR).$(VERSION_RELEASE)
+
 INC        = -I$(TOPDIR)/include
-DEF        = 
+DEF        = -DOSG_VERSION="$(VERSION)"\
+             -DOSG_VERSION_REVISION="$(VERSION_REVISION)"
 
 ############################################################################
 ## NOTE - Semantics for the use of ARCH, ARCHARGS, and ARCHINST parameters
diff --git a/Make/versionrules b/Make/versionrules
new file mode 100644
index 000000000..eb56fdf48
--- /dev/null
+++ b/Make/versionrules
@@ -0,0 +1,21 @@
+####################################################################### 
+##
+##                   VERSIONING SEMANTICS
+##
+## Version consistes of <major> . <minor> . <release> - <revision>
+## Where:
+##    major   : Production (0 = pre-production)
+##    minor   : 0-7 = Production minor, 8 = Alpha, 9 = Beta
+##    release : Release tag
+##    revision: Release revision - 0 = development (cutting edge). 
+##
+##
+##  'make version' will print the version with a 
+####################################################################### 
+version : 
+	@if [ "$(VERSION_REVISION)" = "0" ];  then\
+		release=`date +%Y%m%e%H%M`;\
+	else\
+		release=$(VERSION_REVISION);\
+	fi;\
+	echo $(VERSION)-$$release;