tree 45f9980d83280112e450ec768efd9d589933451b
parent 0b10b3ed6b3ee644a44414d8b5c205d94a967c12
author Brad King <brad.king@kitware.com> 1571246603 -0400
committer Brad King <brad.king@kitware.com> 1571322571 -0400

PCH: Fix Makefile dependencies to rebuild PCH on header changes

Teach the Makefile generator to scan the implicit dependencies of PCH
creation.  When a header named by `target_precompile_headers` changes
the corresponding PCH must be rebuilt and all consumers recompiled.

Fixes: #19830