dnl If in this loop a compiler is passed an option that it doesn't
dnl understand or that it misinterprets, the AC_LINK_IFELSE test
dnl will fail (since we know that it failed without the option),
dnl therefore the loop will continue searching for an option, and
dnl no output file called 'penmp' or 'mp' is created.
dnl If in this loop a compiler is passed an option that it doesn't
dnl understand or that it misinterprets, the AC_LINK_IFELSE test
dnl will fail (since we know that it failed without the option),
dnl therefore the loop will continue searching for an option, and
dnl no output file called 'penmp' or 'mp' is created.