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Diffstat (limited to 'src/engine/SCons/Builder.py')
| -rw-r--r-- | src/engine/SCons/Builder.py | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/engine/SCons/Builder.py b/src/engine/SCons/Builder.py index 51af90b..ecc93c0 100644 --- a/src/engine/SCons/Builder.py +++ b/src/engine/SCons/Builder.py @@ -815,9 +815,15 @@ class BuilderBase: (This value isn't cached because there may be changes in a src_builder many levels deep that we can't see.) """ + sdict = {} suffixes = self.subst_src_suffixes(env) + for s in suffixes: + sdict[s] = 1 for builder in self.get_src_builders(env): - suffixes.extend(builder.src_suffixes(env)) + for s in builder.src_suffixes(env): + if not sdict.has_key(s): + sdict[s] = 1 + suffixes.append(s) return suffixes class CompositeBuilder(SCons.Util.Proxy): |