reworked engine structure, added util/ directory with refptr and Solver, set svn:ignore on subdirs

git-svn-id: svn://anubis/jcad/trunk@34 c8684bfa-0c3a-0410-9efb-b8c82542f01e

src/util/Makefile

@@ -0,0 +1,23 @@
+
+OBJS := $(patsubst %.cc,%.o,$(wildcard *.cc))
+DEPS := $(OBJS:.o=.dep)
+
+all: $(DEPS) $(OBJS)
+
+%.o: %.cc
+	$(CXX) -c -o $@ $(CPPFLAGS) $(CXXFLAGS) $<
+
+# Make dependency files
+%.dep: %.cc
+	@set -e; rm -f $@; \
+	  $(CXX) -MM $(CPPFLAGS) $< > $@.$$$$; \
+	  sed 's,\($*\)\.o[ :]*,\1.o $@ : ,g' < $@.$$$$ > $@; \
+	  rm -f $@.$$$$
+
+clean:
+	-$(RM) -f *.o *.dep
+
+# Include dependency files
+ifndef CLEAN
+-include $(DEPS)
+endif