fpmkunit: on compilation failure show the actual compiler output, and don't just swallow the exception and raise a new one with precisely no helpful info

git-svn-id: trunk@34396 -

packages/fpmkunit/src/fpmkunit.pp

@@ -6763,7 +6763,11 @@ Var
           try
             Compile(APackage,APackage.FBUTarget);
           except
-            Compilationfailed:=true;
+            on E: Exception do
+              begin
+                Log(vlError,E.Message);
+                Compilationfailed:=true;
+              end;
           end;
         finally
           if CompilationFailed then