Create an STM32F4Discovery configuration for testing uClibc++

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5300 42af7a65-404d-4744-a932-0658087f49c3

arch/arm/src/Makefile

@@ -71,7 +71,9 @@ SRCS		= $(ASRCS) $(CSRCS)
 OBJS = $(AOBJS) $(COBJS)
 
 LDFLAGS = $(ARCHSCRIPT)
+
 EXTRA_LIBS ?=
+EXTRA_LIBPATHS ?=
 
 LINKLIBS =
 ifeq ($(WINTOOL),y)
@@ -86,6 +88,7 @@ LDLIBS		= $(patsubst lib%,-l%,$(basename $(notdir $(LINKLIBS))))
 BOARDDIR = $(TOPDIR)/arch/$(CONFIG_ARCH)/src/board
 
 LIBGCC = "${shell $(CC) $(ARCHCPUFLAGS) -print-libgcc-file-name}"
+GCC_LIBDIR := ${shell dirname $(LIBGCC)}
 
 VPATH = chip:common:$(ARCH_SUBDIR)
 
@@ -109,7 +112,8 @@ board/libboard$(LIBEXT):
 
 nuttx: $(HEAD_OBJ) board/libboard$(LIBEXT)
 	$(Q) echo "LD: nuttx"
-	$(Q) $(LD) --entry=__start $(LDFLAGS) $(LIBPATHS) -o $(NUTTX)$(EXEEXT) $(HEAD_OBJ) $(EXTRA_OBJS) \
+	$(Q) $(LD) --entry=__start $(LDFLAGS) $(LIBPATHS) $(EXTRA_LIBPATHS) \
+		-o $(NUTTX)$(EXEEXT) $(HEAD_OBJ) $(EXTRA_OBJS) \
 		--start-group $(LDLIBS) -lboard $(EXTRA_LIBS) $(LIBGCC) --end-group
 	$(Q) $(NM) $(NUTTX)$(EXEEXT) | \
 	grep -v '\(compiled\)\|\(\$(OBJEXT)$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \

arch/sim/src/Makefile

@@ -101,6 +101,7 @@ endif
 endif
 
 EXTRA_LIBS ?=
+EXTRA_LIBPATHS ?=
 
 ifeq ($(CONFIG_FS_FAT),y)
 STDLIBS += -lz
@@ -108,9 +109,6 @@ endif
 
 STDLIBS += -lc
 
-LIBGCC := "${shell $(CC) $(ARCHCPUFLAGS) -print-libgcc-file-name}"
-GCC_LIBDIR := ${shell dirname $(LIBGCC)}
-
 # Determine which objects are required in the link.  The
 # up_head object normally draws in all that is needed, but
 # there are a fews that must be included because they 
@@ -134,7 +132,7 @@ LDLIBS = $(patsubst lib%,-l%,$(basename $(notdir $(LINKLIBS))))
 
 # Add the board-specific library and directory
 
-LDPATHS += -L board -L $(GCC_LIBDIR)
+LDPATHS += -L board 
 LDLIBS += -lboard
 
 # Make targets begin here
@@ -181,7 +179,7 @@ Cygwin-names.dat: nuttx-names.dat
 
 nuttx.rel : libarch$(LIBEXT) board/libboard$(LIBEXT) $(HOSTOS)-names.dat $(LINKOBJS)
 	$(Q) echo "LD:  nuttx.rel"
-	$(Q) $(LD) -r $(LDLINKFLAGS) $(LDPATHS) -o $@ $(REQUIREDOBJS) --start-group $(LDLIBS) $(EXTRA_LIBS) --end-group
+	$(Q) $(LD) -r $(LDLINKFLAGS) $(LDPATHS) $(EXTRA_LIBPATHS) -o $@ $(REQUIREDOBJS) --start-group $(LDLIBS) $(EXTRA_LIBS) --end-group
 	$(Q) $(OBJCOPY) --redefine-syms=$(HOSTOS)-names.dat $@
 
 # Generate the final NuttX binary by linking the host-specific objects with the NuttX