1 files changed, 1 insertions, 0 deletions
diff --git a/ext/extmk.rb b/ext/extmk.rb
index ad01ff4d2b..38b25e2a27 100755
--- a/ext/extmk.rb
+++ b/ext/extmk.rb
@@ -703,6 +703,7 @@ if $configure_only and $command_output
     end
     submakeopts << 'EXTLDFLAGS="$(EXTLDFLAGS)"'
     submakeopts << 'UPDATE_LIBRARIES="$(UPDATE_LIBRARIES)"'
+    submakeopts << 'SHOWFLAGS='
     mf.macro "SUBMAKEOPTS", submakeopts
     mf.puts
     targets = %w[all install static install-so install-rb clean distclean realclean]