Regenerate generated .c files if we have tclsh installed

As well as the above, add .tcl files to EXTRA_DIST so we can
regenerate them and make distcheck works.


git-svn-id: http://www.varnish-cache.org/svn/trunk/varnish-cache@3196 d4fa192b-c00b-0410-8231-f00ffab90ce4

configure.ac

@@ -218,6 +218,12 @@ else
 	ac_cv_func_port_create=no
 fi
 
+AM_MISSING_HAS_RUN
+AC_CHECK_PROGS(TCLSH, [tclsh tclsh8.4 tclsh8.5], false)
+if test "$TCLSH" = :; then
+  TCLSH=${am_missing_run}tclsh
+fi
+
 # Solaris defines SO_{RCV,SND}TIMEO, but does not implement them.
 # Varnish will build and run without these, but connections will not
 # time out, which may leave Varnish vulnerable to denail-of-service

lib/libvcl/Makefile.am

@@ -24,3 +24,15 @@ libvcl_la_SOURCES = \
 	vcc_token.c \
 	vcc_var.c \
 	vcc_xref.c
+
+EXTRA_DIST = vcc_gen_obj.tcl \
+	vcc_gen_fixed_token.tcl
+
+vcc_obj.c: $(srcdir)/vcc_gen_obj.tcl
+	cd $(srcdir) && @TCLSH@ vcc_gen_obj.tcl
+
+vcc_fixed_token.c: $(srcdir)/vcc_gen_fixed_token.tcl
+	cd $(srcdir) && @TCLSH@ vcc_gen_fixed_token.tcl
+
+vcc_token_defs.h: $(srcdir)/vcc_gen_fixed_token.tcl
+	cd $(srcdir) && @TCLSH@ vcc_gen_fixed_token.tcl