fix out of tree build

[notmuch] / bindings / ruby / extconf.rb

diff --git a/bindings/ruby/extconf.rb b/bindings/ruby/extconf.rb
index ddaa6841e5ff2d507c65501f6d81dd00f9e942fe..161de5a2c7c52bb6d5130ee6db3616c36acdba1d 100644 (file)
--- a/bindings/ruby/extconf.rb
+++ b/bindings/ruby/extconf.rb
@@ -5,7 +5,7 @@
 
 require 'mkmf'
 
-dir = File.join('..', '..', 'lib')
+dir = File.join(ENV['NOTMUCH_SRCDIR'], 'lib')
 
 # includes
 $INCFLAGS = "-I#{dir} #{$INCFLAGS}"