_USE_SYSTEM_NSS=1 )
if test -n "$_USE_SYSTEM_NSS"; then
AM_PATH_NSS(3.20.1, [MOZ_NATIVE_NSS=1], [AC_MSG_ERROR([you don't have NSS installed or your version is too old])])
AM_PATH_NSS(3.21, [MOZ_NATIVE_NSS=1], [AC_MSG_ERROR([you don't have NSS installed or your version is too old])])
fi
if test -n "$MOZ_NATIVE_NSS"; then