- check for -nostdlib

Makerules

@@ -127,7 +127,7 @@ define link.so
 	$(Q)$(RM) $@ $@.$(2) $(dir $@)$(1)
 	@$(disp_ld)
 	$(Q)$(CC) $(LDFLAGS-$(notdir $@)) -Wl,-soname=$(notdir $@).$(2) \
-		-nostdlib -o $(dir $@)$(1) $(START_FILE-$(notdir $@)) \
+		$(NOSTDLIB_CFLAGS) -o $(dir $@)$(1) $(START_FILE-$(notdir $@)) \
 		-Wl,--whole-archive $(firstword $^) -Wl,--no-whole-archive \
 		$(LIBS-$(notdir $@)) $(LIBGCC) $(END_FILE-$(notdir $@))
 	$(Q)$(LN) -sf $(1) $@.$(2)
@@ -153,7 +153,7 @@ define link-flat.so
 	$(Q)$(INSTALL) -d $(dir $@)
 	$(Q)$(RM) $(1) $@
 	@$(disp_ld)
-	$(Q)$(CC) $(LDFLAGS-$(notdir $@)) -nostdlib -o $(1) \
+	$(Q)$(CC) $(LDFLAGS-$(notdir $@)) $(NOSTDLIB_CFLAGS) -o $(1) \
 		-Wl,-elf2flt -Wl,-shared-lib-id,$(2) $(top_builddir)lib/Scrt1.o \
 		$(top_builddir)/lib/crti.o -Wl,--whole-archive $(firstword $^) \
 		$(LIBGCC) -Wl,--no-whole-archive $(LIBS-$(notdir $@)) $(LIBGCC) \
@@ -165,7 +165,7 @@ define linkm.so
 	$(Q)$(RM) $@ $@.$(2) $(dir $@)$(1)
 	@$(disp_ld)
 	$(Q)$(CC) $(LDFLAGS-$(notdir $@)) -Wl,-soname=$(notdir $@).$(2) \
-		-nostdlib -o $(dir $@)$(1) $(START_FILE-$(notdir $@)) $^ \
+		$(NOSTDLIB_CFLAGS) -o $(dir $@)$(1) $(START_FILE-$(notdir $@)) $^ \
 		$(LIBS-$(notdir $@)) $(LIBGCC) $(END_FILE-$(notdir $@))
 	$(Q)$(LN) -sf $(1) $@.$(2)
 	$(Q)$(LN) -sf $(1) $@

Rules.mak

@@ -383,6 +383,7 @@ else
 SSP_CFLAGS := $(SSP_DISABLE_FLAGS)
 endif
 
+NOSTDLIB_CFLAGS:=$(call check_gcc,-nostdlib,)
 # Some nice CFLAGS to work with
 CFLAGS := -include $(top_builddir)include/libc-symbols.h \
 	$(XWARNINGS) $(CPU_CFLAGS) $(SSP_CFLAGS) \