Index: boot/Makefile.build
===================================================================
--- boot/Makefile.build	(revision 1d24ad312b4ddcdf3dc7c30ee0effc5293fd669c)
+++ boot/Makefile.build	(revision 98f78308ebc728fe00d89fe2281dbde8314910cf)
@@ -75,4 +75,10 @@
 endif
 
+ifeq ($(COMPILER),gcc_helenos)
+	CFLAGS = $(GCC_CFLAGS) $(EXTRA_CFLAGS)
+	DEPEND_DEFS = $(DEFS) $(CONFIG_DEFS)
+endif
+
+
 ifeq ($(COMPILER),icc)
 	CFLAGS = $(ICC_CFLAGS) $(EXTRA_CFLAGS)