--- configure.orig	2017-04-19 21:38:22 UTC
+++ configure
@@ -7528,6 +7528,7 @@ if test $ac_compiler_gnu = yes; then
 else
   G77=
 fi
+G77=yes
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'