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-rw-r--r--Tests/IncludeDirectories/SystemIncludeDirectories/CMakeLists.txt4
1 files changed, 3 insertions, 1 deletions
diff --git a/Tests/IncludeDirectories/SystemIncludeDirectories/CMakeLists.txt b/Tests/IncludeDirectories/SystemIncludeDirectories/CMakeLists.txt
index 5078f3099..20bd60196 100644
--- a/Tests/IncludeDirectories/SystemIncludeDirectories/CMakeLists.txt
+++ b/Tests/IncludeDirectories/SystemIncludeDirectories/CMakeLists.txt
@@ -32,7 +32,9 @@ target_link_libraries(consumer upstream config_specific)
target_compile_options(consumer PRIVATE -Werror=unused-variable)
add_library(iface IMPORTED INTERFACE)
-set_property(TARGET iface PROPERTY INTERFACE_INCLUDE_DIRECTORIES "${CMAKE_CURRENT_SOURCE_DIR}/systemlib_header_only")
+set_property(TARGET iface PROPERTY INTERFACE_INCLUDE_DIRECTORIES
+ "$<$<COMPILE_LANGUAGE:CXX>:${CMAKE_CURRENT_SOURCE_DIR}/systemlib_header_only>"
+ )
add_library(imported_consumer imported_consumer.cpp)
target_link_libraries(imported_consumer iface)