Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.

Reworked the LLVMDC specific pragmas.

runtime/lib/gc/basic/llvmdc.mak

@@ -0,0 +1,100 @@
+# Makefile to build the garbage collector D library for LLVMDC
+# Designed to work with GNU make
+# Targets:
+#	make
+#		Same as make all
+#	make lib
+#		Build the garbage collector library
+#   make doc
+#       Generate documentation
+#	make clean
+#		Delete unneeded files created by build process
+
+LIB_TARGET=libtango-gc-basic.a
+LIB_MASK=libtango-gc-basic*.a
+
+CP=cp -f
+RM=rm -f
+MD=mkdir -p
+
+ADD_CFLAGS=
+ADD_DFLAGS=
+
+#CFLAGS=-O3 $(ADD_CFLAGS)
+CFLAGS=-g $(ADD_CFLAGS)
+
+#DFLAGS=-release -O3 -inline -w -nofloat $(ADD_DFLAGS)
+DFLAGS=-g -w -nofloat $(ADD_DFLAGS)
+
+#TFLAGS=-O3 -inline -w -nofloat $(ADD_DFLAGS)
+TFLAGS=-g -w -nofloat $(ADD_DFLAGS)
+
+DOCFLAGS=-version=DDoc
+
+CC=gcc
+LC=llvm-ar rsv
+DC=llvmdc
+
+LIB_DEST=..
+
+.SUFFIXES: .s .S .c .cpp .d .html .o .bc
+
+.s.o:
+	$(CC) -c $(CFLAGS) $< -o$@
+
+.S.o:
+	$(CC) -c $(CFLAGS) $< -o$@
+
+.c.o:
+	$(CC) -c $(CFLAGS) $< -o$@
+
+.cpp.o:
+	g++ -c $(CFLAGS) $< -o$@
+
+.d.bc:
+	$(DC) -c $(DFLAGS) $< -of$@
+
+.d.html:
+	$(DC) -c -o- $(DOCFLAGS) -Df$*.html $<
+#	$(DC) -c -o- $(DOCFLAGS) -Df$*.html dmd.ddoc $<
+
+targets : lib doc
+all     : lib doc
+lib     : basic.lib
+doc     : basic.doc
+
+######################################################
+
+ALL_OBJS= \
+    gc.bc \
+    gcalloc.bc \
+    gcbits.bc \
+    gcstats.bc \
+    gcx.bc
+
+######################################################
+
+ALL_DOCS=
+
+######################################################
+
+basic.lib : $(LIB_TARGET)
+
+$(LIB_TARGET) : $(ALL_OBJS)
+	$(RM) $@
+	$(LC) $@ $(ALL_OBJS)
+
+basic.doc : $(ALL_DOCS)
+	echo No documentation available.
+
+######################################################
+
+clean :
+	find . -name "*.di" | xargs $(RM)
+	$(RM) $(ALL_OBJS)
+	$(RM) $(ALL_DOCS)
+	$(RM) $(LIB_MASK)
+
+install :
+	$(MD) $(LIB_DEST)
+	$(CP) $(LIB_MASK) $(LIB_DEST)/.