Sebastian Holtermann a8b7cbb787 Autogen: Do not treat hard-coded -I/usr/include exclusion as implicit include ...

The `cmLocalGenerator::GetIncludeDirectoriesImplicit` method is called
by `cmQtAutoGenInitializer` to get the compiler's list of implicit
include directories.  Since commit 557b2d6e65 (Fix regression in
-I/usr/include exclusion logic, 2019-02-13, v3.14.0-rc2~6^2~2) the
method hard-codes exclusion of `/usr/include` for historical reasons.
However, it should not be reported as a real implicit include directory
unless the compiler really has it.

Refactor the logic to distinguish the hard-coded exclusion of
`/usr/include` from the real list of implicit include directories.

Fixes: #19100

2019-03-28 14:07:24 -04:00

98 KiB

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