Add misc/uClibc++ and build hooks in nuttx/

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5283 42af7a65-404d-4744-a932-0658087f49c3

libxx/Makefile

@@ -35,20 +35,37 @@
 
 -include $(TOPDIR)/Make.defs
 
-ASRCS		= 
+# Sources
-AOBJS		= $(ASRCS:.S=$(OBJEXT))
-CSRCS		= 
-COBJS		= $(CSRCS:.c=$(OBJEXT))
-CXXSRCS		= libxx_cxapurevirtual.cxx libxx_delete.cxx libxx_deletea.cxx \
-			  libxx_eabi_atexit.cxx libxx_new.cxx libxx_newa.cxx 
-CXXOBJS		= $(CXXSRCS:.cxx=$(OBJEXT))
 
-SRCS		= $(ASRCS) $(CSRCS) $(CXXSRCS)
+ASRCS = 
-OBJS		= $(AOBJS) $(COBJS) $(CXXOBJS)
+CSRCS = 
+CXXSRCS = libxx_cxapurevirtual.cxx libxx_delete.cxx libxx_deletea.cxx
+CXXSRCS += libxx_eabi_atexit.cxx libxx_new.cxx libxx_newa.cxx 
 
-BIN		= liblibxx$(LIBEXT)
+# Paths
 
-all:	$(BIN)
+DEPPATH = --dep-path .
+VPATH = .
+
+# Include the uClibc++ Make.defs file (if it is present).  If is present,
+# the uClibc++/Make.defs file will add its files to the source file list,
+# add its DEPPATH info, and will add the appropriate paths to the VPATH
+# variable
+
+-include/uClibc++/Make.defs
+
+# Object Files
+
+AOBJS = $(ASRCS:.S=$(OBJEXT))
+COBJS = $(CSRCS:.c=$(OBJEXT))
+CXXOBJS = $(CXXSRCS:.cxx=$(OBJEXT))
+
+SRCS = $(ASRCS) $(CSRCS) $(CXXSRCS)
+OBJS = $(AOBJS) $(COBJS) $(CXXOBJS)
+
+BIN = liblibxx$(LIBEXT)
+
+all: $(BIN)
 
 $(AOBJS): %$(OBJEXT): %.S
 	$(call ASSEMBLE, $<, $@)
@@ -65,7 +82,7 @@ $(BIN):	$(OBJS)
 	done ; )
 
 .depend: Makefile $(SRCS)
-	@$(MKDEP) $(CXX) -- $(CXXFLAGS) -- $(SRCS) >Make.dep
+	@$(MKDEP) $(DEPPATH) $(CXX) -- $(CXXFLAGS) -- $(SRCS) >Make.dep
 	@touch $@
 
 depend: .depend