[all-commits] [llvm/llvm-project] ca2ab7: [clang] Canonicalize absolute paths in dependency ...
xtex via All-commits
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Wed Jan 1 00:29:25 PST 2025
Branch: refs/heads/main
Home: https://github.com/llvm/llvm-project
Commit: ca2ab74838c41a4146835b5bcc91ce4732273f7d
https://github.com/llvm/llvm-project/commit/ca2ab74838c41a4146835b5bcc91ce4732273f7d
Author: xtex <xtex at envs.net>
Date: 2025-01-01 (Wed, 01 Jan 2025)
Changed paths:
M clang/include/clang/Frontend/Utils.h
M clang/lib/Frontend/DependencyFile.cpp
M clang/test/Frontend/dependency-gen-symlink.c
M clang/test/Frontend/dependency-gen-windows-duplicates.c
M clang/test/VFS/external-names.c
Log Message:
-----------
[clang] Canonicalize absolute paths in dependency file (#117458)
This fixes #117438.
If paths in dependency file are not absoulte, make (or ninja) will
canonicalize them.
While their canonicalization does not involves symbolic links expansion
(for IO performance concerns), leaving a non-absolute path in dependency
file may lead to unexpected canonicalization.
For example, '/a/../b', where '/a' is a symlink to '/c/d', it should be
'/c/b' but make (and ninja) canonicalizes it as '/b', and fails for file
not found.
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