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-rw-r--r--Modules/FetchContent.cmake3
1 files changed, 3 insertions, 0 deletions
diff --git a/Modules/FetchContent.cmake b/Modules/FetchContent.cmake
index ac3918c..25b0683 100644
--- a/Modules/FetchContent.cmake
+++ b/Modules/FetchContent.cmake
@@ -1427,6 +1427,9 @@ function(__FetchContent_directPopulate contentName)
set(options
QUIET
+ # SYSTEM has no meaning for ExternalProject, it is only used by us in
+ # FetchContent_MakeAvailable(). We need to parse and discard it here.
+ SYSTEM
)
set(oneValueArgs
SUBBUILD_DIR