-test -e /bin/tar || die "I need tar to compile. Please fix your slave."
-test -e /bin/gzip || die "I need gzip to compile. Please fix your slave."
-test -e /usr/include/libunwind.h || die "I need libunwind to compile. Please fix your slave."
-test -e /usr/include/valgrind/valgrind.h || die "I need valgrind to compile. Please fix your slave."
+test -e /bin/tar || die 1 "I need tar to compile. Please fix your slave."
+test -e /bin/gzip || die 1 "I need gzip to compile. Please fix your slave."
+test -e /usr/include/libunwind.h || die 1 "I need libunwind to compile. Please fix your slave."
+test -e /usr/include/valgrind/valgrind.h || die 1 "I need valgrind to compile. Please fix your slave."