#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."
+#test -e /usr/include/valgrind/valgrind.h || die 1 "I need valgrind to compile. Please fix your slave."
build_mode="$1"
echo "Build mode $build_mode on $(uname -np)" >&2