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-rw-r--r--README-DEV4
1 files changed, 3 insertions, 1 deletions
diff --git a/README-DEV b/README-DEV
index 186e461..27ce486 100644
--- a/README-DEV
+++ b/README-DEV
@@ -19,7 +19,9 @@ need to make sure that packages do not share upstream source files via
subdirectory symlinks, not to also share the related intermediate files. If
several packages need to compile the same upstream source file, then only one
of them can symlink it via the parent directory while others must symlink it
-directly.
+directly. We also add the `ignore = untracked` configuration option into
+.gitmodules to make sure that git ignores the intermediate build files under
+upstream/ subdirectory.
Normally, when packaging a project, we need to replace some auto-generated
headers with our own implementations and deduce compilation/linking options.