Only configure if necessary - close #131

build_tests/configure/no_configure_output.rb

@@ -0,0 +1,3 @@
+default do
+  puts "default"
+end

build_tests/typical/install.rb

@@ -1,5 +1,8 @@
 project_name "install_test"
 
+configure do
+end
+
 env do |env|
   env["CPPPATH"] += glob("src/**")