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-rw-r--r--libbuild2/file.cxx6
1 files changed, 4 insertions, 2 deletions
diff --git a/libbuild2/file.cxx b/libbuild2/file.cxx
index c93a86f..682f89d 100644
--- a/libbuild2/file.cxx
+++ b/libbuild2/file.cxx
@@ -1745,8 +1745,10 @@ namespace build2
}
// Extract metadata for an executable target by executing it with the
- // --build2-metadata option. In case of an error, issue diagnostics and fail
- // if opt is false and return nullopt if it's true.
+ // --build2-metadata option. Key is the target name (and not necessarily the
+ // same as metadata variable prefix in export.metadata; e.g., openbsd-m4 and
+ // openbsd_m4). In case of an error, issue diagnostics and fail if opt is
+ // false and return nullopt if it's true.
//
// Note that loading of the metadata is split into two steps, extraction and
// parsing, because extraction also serves as validation that the executable