test: Print note when not running pch tests

diff --git a/test.sh b/test.sh
index 68879f200d335f65fcceeccbe01e9e495bbf78a1..94d5cf8a11e3cb6c4188041516aaaee23e11bf3a 100755 (executable)
--- a/test.sh
+++ b/test.sh
@@ -1607,6 +1607,7 @@ EOF
     if $COMPILER -fpch-preprocess pch.h 2>/dev/null; then
         :
     else
+        echo "Compiler ($COMPILER) doesn't support precompiled headers -- not running pch test"
         return
     fi