Index: src/Make.inc
===================================================================
--- a/src/Make.inc
+++ b/src/Make.inc
@@ -101,7 +101,8 @@
 HOST_LD=quietgcc
 HOST_O=o
 HOST_YFLAGS=-d
-HOST_CFLAGS=-ggdb -I"$(GOROOT)/include" -O2
+HOST_CFLAGS=$(HOST_EXTRA_CFLAGS) -ggdb -I"$(GOROOT)/include" -O2
+HOST_LDFLAGS=$(HOST_EXTRA_LDFLAGS)
 PWD=$(shell pwd)
 
 # Make environment more standard.