[PATCH] D87928: Provide -fsource-dir flag in Clang

[Petr Hosek via Phabricator via cfe-commits]

phosek created this revision.
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Herald added projects: clang, LLVM.
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This flag can be used to relativize source paths againts a given
directory.  Compared to -f*-prefix-map flags, it avoids the absolute
path on the compiler command line analogously to -fdebug-compile-dir,
which is important  distributed compilation scenarios.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D87928

Files:
  clang/include/clang/Basic/CodeGenOptions.h
  clang/include/clang/Driver/Options.td
  clang/include/clang/Lex/PreprocessorOptions.h
  clang/lib/CodeGen/CoverageMappingGen.cpp
  clang/lib/CodeGen/CoverageMappingGen.h
  clang/lib/Driver/ToolChains/Clang.cpp
  clang/lib/Frontend/CompilerInvocation.cpp
  clang/lib/Lex/PPMacroExpansion.cpp
  clang/test/CoverageMapping/source_dir.c
  clang/test/Preprocessor/file_test.c
  llvm/include/llvm/Support/Path.h
  llvm/lib/Support/Path.cpp
  llvm/unittests/Support/Path.cpp

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