From 6eea010c6a766c3f2df897040295f1cc8fe8414f Mon Sep 17 00:00:00 2001
From: Dane Springmeyer <dane@mapbox.com>
Date: Tue, 29 Jul 2014 17:54:49 -0700
Subject: [PATCH] scons: fix first-run clean problem #2112

---
 SConstruct | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/SConstruct b/SConstruct
index b04341e39..2a454f0ae 100644
--- a/SConstruct
+++ b/SConstruct
@@ -493,6 +493,12 @@ elif HELP_REQUESTED:
     # to ensure config gets skipped when help is requested
     preconfigured = True
 
+# need no-op for clean on fresh checkout
+# https://github.com/mapnik/mapnik/issues/2112
+if ('-c' in command_line_args) or ('--clean' in command_line_args) and not os.path.exists(SCONS_CONFIGURE_CACHE):
+    print 'all good: nothing to clean'
+    Exit(0)
+
 # initially populate environment with defaults and any possible custom arguments
 opts.Update(env)