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llvm-build: Don't generate duplicate dependencies when LLVMBuild files define

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multiple components.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145989 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Daniel Dunbar 2011-12-06 23:13:42 +00:00
parent 6805b56e77
commit 309fc86e7c
1 changed files with 8 additions and 2 deletions
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10
utils/llvm-build/llvmbuild/main.py
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@ -397,9 +397,15 @@ class LLVMProjectInfo(object):
# Construct a list of all the dependencies of the Makefile fragment
# itself. These include all the LLVMBuild files themselves, as well as
# all of our own sources.
#
# Many components may come from the same file, so we make sure to unique
# these.
build_paths = set()
for ci in self.component_infos:
yield os.path.join(self.source_root, ci.subpath[1:],
'LLVMBuild.txt')
p = os.path.join(self.source_root, ci.subpath[1:], 'LLVMBuild.txt')
if p not in build_paths:
yield p
build_paths.add(p)
# Gather the list of necessary sources by just finding all loaded
# modules that are inside the LLVM source tree.