1 files changed, 14 insertions, 1 deletions
diff --git a/ext/libyajl2/extconf.rb b/ext/libyajl2/extconf.rb
index dd951cf..378bca7 100644
--- a/ext/libyajl2/extconf.rb
+++ b/ext/libyajl2/extconf.rb
@@ -1,8 +1,21 @@
-exit(0) if ENV["USE_SYSTEM_LIBYAJL2"]
 
 require 'rbconfig'
 require 'fileutils'
 
+if ENV["USE_SYSTEM_LIBYAJL2"]
+  File.open("Makefile", "w+") do |f|
+    f.write <<EOF
+# dummy Makefile when we're not really installing
+all:
+\ttrue
+
+install:
+\ttrue
+EOF
+  end
+  exit(0)
+end
+
 module Libyajl2Build
   class BuildError < StandardError; end