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-rw-r--r--Source/cmTargetSourcesCommand.cxx3
1 files changed, 2 insertions, 1 deletions
diff --git a/Source/cmTargetSourcesCommand.cxx b/Source/cmTargetSourcesCommand.cxx
index 76b0384..74945fa 100644
--- a/Source/cmTargetSourcesCommand.cxx
+++ b/Source/cmTargetSourcesCommand.cxx
@@ -269,7 +269,8 @@ bool TargetSourcesImpl::HandleOneFileSet(
}
if (cmFileSetVisibilityIsForInterface(visibility) &&
- !cmFileSetVisibilityIsForSelf(visibility)) {
+ !cmFileSetVisibilityIsForSelf(visibility) &&
+ !this->Target->IsImported()) {
if (type == "CXX_MODULES"_s || type == "CXX_MODULE_HEADER_UNITS"_s) {
this->SetError(
R"(File set TYPEs "CXX_MODULES" and "CXX_MODULE_HEADER_UNITS" may not have "INTERFACE" visibility)");