| Issue |
137648
|
| Summary |
Missing dependency from clang-scan-deps after b768a8c1db85b9e84fd8b356570a3a8fbe37acf6
|
| Labels |
clang:tooling
|
| Assignees |
|
| Reporter |
tru
|
Hi @jansvoboda11
I know I am late on the ball here, but we have been using clang-scan-deps from LLVM 18 until I recently started to upgrade to 19 and the 20. We use clang-scan-deps as part of our build system to figure out the dependencies of C++ files to build. When I started to integrate test LLVM 19 I noticed that clang-scan-deps was missing output a specific header. This header is included inside a `#ifdef` statement, but there something else going on as well.
I bisected the problem to b768a8c1db85b9e84fd8b356570a3a8fbe37acf6 and the problem exists within `main` as well. And the issue only exists with the non-preprocessor mode, the preprocessor mode works fine (but is to slow).
The problem here is that I don't know exactly how to make a reproducible issue out of this. the include tree is pretty complicated and the source is not something I can share.
Let me know how I can provide you with more information or how to debug this issue further.
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