if env.GetOption('num_jobs') <= 1:
env.SetOption('num_jobs', num_jobs())
- env.Decider('MD5-timestamp')
+ # Speed up dependency checking. See
+ # - https://github.com/SCons/scons/wiki/GoFastButton
+ # - https://bugs.freedesktop.org/show_bug.cgi?id=109443
+
+ # Scons version string has consistently been in this format:
+ # MajorVersion.MinorVersion.Patch[.alpha/beta.yyyymmdd]
+ # so this formula should cover all versions regardless of type
+ # stable, alpha or beta.
+ # For simplicity alpha and beta flags are removed.
+
+ scons_version = distutils.version.StrictVersion('.'.join(SCons.__version__.split('.')[:3]))
+ if scons_version < distutils.version.StrictVersion('3.0.2') or \
+ scons_version > distutils.version.StrictVersion('3.0.4'):
+ env.Decider('MD5-timestamp')
env.SetOption('max_drift', 60)
# C preprocessor options