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-rw-r--r--Modules/CTestTargets.cmake4
1 files changed, 4 insertions, 0 deletions
diff --git a/Modules/CTestTargets.cmake b/Modules/CTestTargets.cmake
index fd4bd8024..5b6e062d0 100644
--- a/Modules/CTestTargets.cmake
+++ b/Modules/CTestTargets.cmake
@@ -16,6 +16,10 @@ if(NOT RUN_FROM_CTEST_OR_DART)
message(FATAL_ERROR "Do not incldue CTestTargets.cmake directly")
endif()
+if(NOT PROJECT_BINARY_DIR)
+ message(FATAL_ERROR "Do not include(CTest) before calling project().")
+endif()
+
# make directories in the binary tree
file(MAKE_DIRECTORY ${PROJECT_BINARY_DIR}/Testing/Temporary)
get_filename_component(CMAKE_HOST_PATH ${CMAKE_COMMAND} PATH)