linux build script mod

linux/build.sh

@@ -1,11 +1,18 @@
 #!/bin/bash
 
 cd ..
-./setupcmake.sh
+
+if ./setupcmake.sh
+then
 
    #make -C build clean
 
    ./buildcmake.sh
+else
+  echo 
+  echo "ERROR setting up cmake, look for errors above and report them if asking for help."
+  echo
+fi