Prioritize build_dir for generated headers #47783
Merged
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Alternative to #47755
Builds are compiled with:
For out-of-tree builds this should mean that we prioritize the build dir.
Using
-H
we observe that if a generated header is present in the src dir:This is due to the semantics of
#include "file"
vs#include <file>
in the C pre-processor.The former is relative to the current header/source file, while the later uses the include directories.
After this change we observe: