summaryrefslogtreecommitdiff
path: root/ext/extmk.rb
diff options
context:
space:
mode:
Diffstat (limited to 'ext/extmk.rb')
-rw-r--r--ext/extmk.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/ext/extmk.rb b/ext/extmk.rb
index c3412d4eb6..a799544f04 100644
--- a/ext/extmk.rb
+++ b/ext/extmk.rb
@@ -358,7 +358,7 @@ end unless $extstatic
ext_prefix = "#{$top_srcdir}/ext"
exts = $static_ext.sort_by {|t, i| i}.collect {|t, i| t}
-if $extension
+if $extension && $extension.size > 0
exts |= $extension.select {|d| File.directory?("#{ext_prefix}/#{d}")}
else
withes, withouts = %w[--with --without].collect {|w|