Added dist target

Makefile.in

@@ -104,6 +104,38 @@ $(SCX_IMAGE): $(SCX_VM) $(SCM_FILES) $(SCM_CONFIG_FILES)
 $(SCX): $(SCX_IMAGE) main.o $(OBJECTS)
 	$(CC) -o $@ $(LIB_DIRS) main.o $(OBJECTS) $(LIBS)
 
+# --------------------
+# Distribution...
+
+distdir = /tmp
+
+# DISTFILES should include all sources.
+DISTFILES = COPYRIGHT configure	configure.in Makefile.in		\
+		$(SCM_FILES) $(SCM_CONFIG_FILES) $(OBJECTS:.o=.c)	\
+		c/main.c c/xlib/xlib.h
+
+distname = scx-0.1
+
+.PHONY : dist
+dist: 
+	distname=$(distname) &&                                         \
+	distfile=$(distdir)/$$distname.tar.gz &&                        \
+	if [ -d $(distdir) ] &&                                         \
+           [ -w $$distfile -o -w $(distdir) ]; then                     \
+                rm -f $$distname &&                                     \
+                ln -s . $$distname &&                                   \
+                files='' &&                                             \
+                for i in $(DISTFILES); do                               \
+                       files="$$files $$distname/$$i";         		\
+                done &&                                                 \
+                tar -cf - $$files |                                     \
+                        gzip --best >$$distfile &&                      \
+                rm $$distname;                                          \
+        else                                                            \
+                echo "Can't write $$distfile" >&2;                      \
+                exit 1;                                                 \
+        fi
+
 clean:
 	rm -f $(SCX_VM) $(SCX) $(SCX_IMAGE) *.o c/*.o c/xlib/*.o c/libs/*.o