Add new API call (pri_get_version) to show the current version of the branch for support purposes.

git-svn-id: https://origsvn.digium.com/svn/libpri/branches/1.4@552 2fbb986a-6c06-0410-b554-c9c1f0a7f128

Makefile

@@ -28,14 +28,16 @@
 #LIBPRI_COUNTERS=-DLIBPRI_COUNTERS
 
 CC=gcc
+GREP=grep
+AWK=awk
 
 OSARCH=$(shell uname -s)
 PROC?=$(shell uname -m)
 
 STATIC_LIBRARY=libpri.a
 DYNAMIC_LIBRARY=libpri.so.1.0
-STATIC_OBJS=copy_string.o pri.o q921.o prisched.o q931.o pri_facility.o
-DYNAMIC_OBJS=copy_string.lo pri.lo q921.lo prisched.lo q931.lo pri_facility.lo
+STATIC_OBJS=copy_string.o pri.o q921.o prisched.o q931.o pri_facility.o version.o
+DYNAMIC_OBJS=copy_string.lo pri.lo q921.lo prisched.lo q931.lo pri_facility.lo version.lo
 CFLAGS=-Wall -Werror -Wstrict-prototypes -Wmissing-prototypes -g -fPIC $(ALERTING) $(LIBPRI_COUNTERS)
 INSTALL_PREFIX=$(DESTDIR)
 INSTALL_BASE=/usr
@@ -58,6 +60,10 @@ SOSLINK = ln -sf libpri.so.1.0 libpri.so.1
 #INSTALL_PREFIX = /opt/asterisk  # Uncomment out to install in standard Solaris location for 3rd party code
 endif
 
+export PRIVERSION
+
+PRIVERSION:=$(shell GREP=$(GREP) AWK=$(AWK) build_tools/make_version .)
+
 #The problem with sparc is the best stuff is in newer versions of gcc (post 3.0) only.
 #This works for even old (2.96) versions of gcc and provides a small boost either way.
 #A ultrasparc cpu is really v9 but the stock debian stable 3.0 gcc doesnt support it.
@@ -131,6 +137,11 @@ $(DYNAMIC_LIBRARY): $(DYNAMIC_OBJS)
 	ln -sf libpri.so.1.0 libpri.so.1
 	$(SOSLINK)
 
+version.c:
+	@build_tools/make_version_c > $@.tmp
+	@cmp -s $@.tmp $@ || mv $@.tmp $@
+	@rm -f $@.tmp
+
 clean:
 	rm -f *.o *.so *.lo *.so.1 *.so.1.0
 	rm -f testprilib $(STATIC_LIBRARY) $(DYNAMIC_LIBRARY)
@@ -141,3 +152,5 @@ depend: .depend
 
 .depend: 
 	CC="$(CC)" ./mkdep ${CFLAGS} `ls *.c`
+
+.PHONY: version.c