--- old/make/autoconf/spec.gmk.in	2018-03-05 21:06:04.000000000 +0100
+++ new/make/autoconf/spec.gmk.in	2018-03-05 21:06:04.000000000 +0100
@@ -513,6 +513,8 @@
 NM:=@NM@
 GNM:=@GNM@
 STRIP:=@STRIP@
+OBJDUMP:=@OBJDUMP@
+CXXFILT:=@CXXFILT@
 
 LIPO:=@LIPO@
 INSTALL_NAME_TOOL:=@INSTALL_NAME_TOOL@