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| author | Boris Kolpackov <boris@codesynthesis.com> | 2020-09-22 10:21:37 +0200 |
|---|---|---|
| committer | Boris Kolpackov <boris@codesynthesis.com> | 2020-09-22 10:21:37 +0200 |
| commit | 9f72ad00a0654bc965ff527615e02fd35596073c (patch) | |
| tree | 754339aab8037bb5f37ff94a1db1ab1a6071d542 | |
| parent | 017de65ccc23a6764f65fd77ded139c69b03c09f (diff) | |
Add note about non-global variable overrides
| -rw-r--r-- | build2/b.cxx | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/build2/b.cxx b/build2/b.cxx index 449f1e1..b7e6708 100644 --- a/build2/b.cxx +++ b/build2/b.cxx @@ -1533,6 +1533,11 @@ main (int argc, char* argv[]) // Enter project-wide (as opposed to global) variable overrides. // + // And, yes, this means non-global overrides are not visible during + // bootstrap. If you are wondering why, it's because the project + // boundaries (specifically, amalgamation) are only known after + // bootstrap. + // // The mildly tricky part here is to distinguish the situation where // we are bootstrapping the same project multiple times. The first // override that we set cannot already exist (because the override |