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-rw-r--r--Help/manual/cmake-buildsystem.7.rst6
1 files changed, 6 insertions, 0 deletions
diff --git a/Help/manual/cmake-buildsystem.7.rst b/Help/manual/cmake-buildsystem.7.rst
index 03eb163..d252473 100644
--- a/Help/manual/cmake-buildsystem.7.rst
+++ b/Help/manual/cmake-buildsystem.7.rst
@@ -112,6 +112,12 @@ Each command may be invoked with multiple uses of each keyword:
INTERFACE USING_ARCHIVE_LIB
)
+Note that usage requirements are not designed as a way to make downstreams
+use particular :prop_tgt:`COMPILE_OPTIONS` or
+:prop_tgt:`COMPILE_DEFINITIONS` etc for convenience only. The contents of
+the properties must be **requirements**, not merely recommendations or
+convenience.
+
Target Properties
-----------------