diff --git a/configure.ac b/configure.ac
index 4b0820e06..914cfb97f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -55,8 +55,9 @@ dnl
 
 AC_SUBST(CC)
 AC_SUBST(CXX)
-AC_SUBST(CXXFLAGS)
 AC_SUBST(CPPFLAGS)
+AC_SUBST(CXXFLAGS)
+AC_SUBST(LD)
 AC_SUBST(LDFLAGS)
 AC_SUBST(LIBS)