AM_CONDITIONAL([WIN32], [test -z "${host_os##mingw*}" || test -z "${host_os##cygwin*}"])
AM_CONDITIONAL([MACOSX], [test -z "${host_os##darwin*}"])
AM_CONDITIONAL([FREEBSD], [test -z "${host_os##freebsd*}"])
AM_CONDITIONAL([WIN32], [test -z "${host_os##mingw*}" || test -z "${host_os##cygwin*}"])
AM_CONDITIONAL([MACOSX], [test -z "${host_os##darwin*}"])
AM_CONDITIONAL([FREEBSD], [test -z "${host_os##freebsd*}"])