build: add autobuild jimtcl to configure scripts

Rather than having to configure/build jimtcl openocd
will do this as part of its own build.

To use an external jimtcl lib specify disable-internal-jimtcl
to the configure step.

Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>

src/Makefile.am

@@ -20,7 +20,13 @@ MAINFILE = main.c
 endif
 
 openocd_SOURCES = $(MAINFILE)
-openocd_LDADD = libopenocd.la -ljim
+openocd_LDADD = libopenocd.la
+
+if INTERNAL_JIMTCL
+openocd_LDADD += $(top_builddir)/jimtcl/libjim.a
+else
+openocd_LDADD += -ljim
+endif
 
 libopenocd_la_SOURCES = \
 	hello.c \