diff --git a/test/dioscc/cmake-pthread.sh b/test/dioscc/cmake-pthread.sh
index a2e3455712f679e5e6a9994179770835db7e7d21..d16f7095cbe9c08b30b89cb83e024a156186f445 100644
--- a/test/dioscc/cmake-pthread.sh
+++ b/test/dioscc/cmake-pthread.sh
@@ -5,4 +5,8 @@ cmake_minimum_required( VERSION 3.2 )
 find_package( Threads REQUIRED )
 EOF
 
-cmake -DCMAKE_C_COMPILER=dioscc -DCMAKE_CXX_COMPILER=dioscc
+if ! cmake -DCMAKE_C_COMPILER=dioscc -DCMAKE_CXX_COMPILER=dioscc .; then
+    cat CMakeFiles/CMakeOutput.log
+    cat CMakeFiles/CMakeError.log
+    exit 1
+fi