[cfe-users] Relative header include dirs on Reparse

Hippolyte Barraud via cfe-users cfe-users at lists.llvm.org
Tue May 30 01:37:24 PDT 2017

Hi all,

I'm facing a strange behavior with clang libtooling when dealing with
relative header paths. I'm using ClangTool to generate ASTUnits (the
compiler invocation is fed from a compile_commands file).
In the invocation, we add include directories using relatives paths (ex.
I'm setting `FileSystemOptions::WorkingDir` on ClangTool's FileManager.
Doing so I can successfully generate an ASTUnit without errors.
But whenever I ask for a Reparse on the ASTUnit, clanglib doesn't seems to
take into account the working dir I set earlier and my DiagnosticConsumer
gets header location errors.

Inspecting the ASTUnit, I see that
`astUnit->getFileManager().getFileSystemOpts().WorkingDir` is correctly
set, but `astUnit->getFileSystemOpts().WorkingDir` is empty.

Something I'm missing ?


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