--- Makefile.in
+++ Makefile.in
@@ -38,8 +38,8 @@
 CHMOD = chmod
 
 DEFS    = -DASTERISK_VERSION_NUM=110000
-CFLAGS  = @CFLAGS@ -I$(srcdir) @CPPFLAGS@ $(DEFS) @DEFS@ @AC_CFLAGS@
-LDFLAGS = @LDFLAGS@ 
+CFLAGS  = @CFLAGS@ -I$(srcdir) @CPPFLAGS@ $(DEFS) @DEFS@ @AC_CFLAGS@ $(EXTRA_CFLAGS)
+LDFLAGS = @LDFLAGS@ $(EXTRA_LDFLAGS)
 SOLINK  = @SOLINK@
 LIBS    = @LIBS@
 DISTNAME= @PACKAGE_TARNAME@-@PACKAGE_VERSION@.r@PACKAGE_REVISION@