+(pkg-config --version) < /dev/null > /dev/null 2>&1 || {
+ echo
+ echo "You must have pkg-config installed to use btrfs-progs build system."
+ echo "The pkg-config utility was not found in the standard location, set"
+ echo "the PKG_CONFIG/PKG_CONFIG_PATH/PKG_CONFIG_LIBDIR variables at the"
+ echo "configure time."
+ echo
+}
+