(svn r2029) -Fix: Added files I forgot to svn add the previous commit

os/os2/svn_version.mak

@@ -0,0 +1,34 @@
+all : rev.c
+
+# What revision are we compiling, if we have an idea?
+REV_NUMBER := $(shell if test -d .svn; then svnversion . | tr -dc 0-9; fi)
+
+ifdef RELEASE
+REV:=$(RELEASE)
+else
+REV := $(shell if test -d .svn; then svnversion . | awk '{ print "r"$$0 }'; fi)
+tmp_test:=$(shell echo "$(REV)" | grep "M" )
+ifdef tmp_test
+REV_NUMBER:=1
+endif
+endif
+
+ifndef REV_NUMBER
+REV_NUMBER:=0
+endif
+
+rev.c: FORCE
+	@# setting the revision number in a place, there the binary can read it
+	@echo 'const char _openttd_revision[] = "$(REV)";' >>rev.c.new
+	@echo 'const int _revision_number = $(REV_NUMBER);' >>rev.c.new
+	@# some additions for MorphOS versions tag
+	@echo '#ifdef __MORPHOS__'  >>rev.c.new
+	@echo 'const char morphos_versions_tag[] = "\\0$$VER: OpenTTD $(REV) ('${BUILDDATE}') <20> OpenTTD Team [MorphOS, PowerPC]";'  >>rev.c.new
+	@echo '#endif' >>rev.c.new
+	@# Only update the real rev.c if it actually changed, to prevent
+	@# useless rebuilds.
+	@cmp -s rev.c rev.c.new 2>/dev/null || mv rev.c.new rev.c
+	@rm -f rev.c.new
+
+FORCE:
+