From: Andreas Hansson <andreas.hansson@arm.com>
Date: Tue, 3 Feb 2015 19:25:43 +0000 (-0500)
Subject: scons: Avoid implicit command dependencies
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b34b55b59772ec32cdd896de265b7b9ac7e7b839;p=gem5.git

scons: Avoid implicit command dependencies

Work around a bug in scons that causes the param wrappers being
compiled twice. The easiest way for us to do so is to tell scons to
ignore implicit command dependencies.
---

diff --git a/SConstruct b/SConstruct
index 849585aa7..6a163f762 100755
--- a/SConstruct
+++ b/SConstruct
@@ -221,7 +221,10 @@ for key,val in sorted(os.environ.iteritems()):
             any([key.startswith(prefix) for prefix in use_prefixes]):
         use_env[key] = val
 
-main = Environment(ENV=use_env)
+# Tell scons to avoid implicit command dependencies to avoid issues
+# with the param wrappes being compiled twice (see
+# http://scons.tigris.org/issues/show_bug.cgi?id=2811)
+main = Environment(ENV=use_env, IMPLICIT_COMMAND_DEPENDENCIES=0)
 main.Decider('MD5-timestamp')
 main.root = Dir(".")         # The current directory (where this file lives).
 main.srcdir = Dir("src")     # The source directory