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Improve configure --with-pop etc. diagnostics

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* configure.ac: Improve diagnostics re --with-pop and
--with-mailutils (Bug#26102).
This commit is contained in:
Paul Eggert 2017-03-21 13:53:47 -07:00
parent 650defd4e7
commit 3bb5af3a32
1 changed files with 14 additions and 18 deletions
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32
configure.ac
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@ -234,14 +234,16 @@ AC_DEFUN([OPTION_DEFAULT_ON], [dnl
# connections. Encrypted connections should be the default.
OPTION_DEFAULT_OFF([mailutils],
[rely on GNU Mailutils being installed; this makes the options
--without-pop through --with-mailhost irrelevant])
[rely on GNU Mailutils, so that the --without-pop through --with-mailhost
options are irrelevant])
if test "$with_mailutils" = no; then
with_mailutils=
fi
AC_SUBST([with_mailutils])
OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
OPTION_DEFAULT_ON([pop],
[don't support POP mail retrieval with movemail (--without-pop or
--with-mailutils is recommended, as movemail POP is insecure)])
if test "$with_pop" = yes; then
AC_DEFINE(MAIL_USE_POP)
fi
@ -5482,31 +5484,25 @@ fi
AC_OUTPUT
if test ! "$with_mailutils"; then
if test "$with_pop" = yes; then
AC_MSG_WARN([This configuration installs a 'movemail' program
that retrieves POP3 email via only insecure channels.
To omit insecure POP3, you can use '$0 --without-pop'.])
fi
case $opsys in
cygwin | mingw32)
# Don't suggest GNU Mailutils, as it hasn't been ported.
if test "$with_pop" = yes; then
emacs_fix_movemail="use '$0 --without-pop'"
else
emacs_fix_movemail=
fi;;
;;
*)
emacs_fix_movemail="use '$0 --with-mailutils'"
case `(movemail --version) 2>/dev/null` in
*Mailutils*) ;;
*) emacs_fix_movemail="install GNU Mailutils
<http://mailutils.org> and $emacs_fix_movemail";;
esac;;
esac
AC_MSG_NOTICE([You might want to $emacs_fix_movemail.]);;
esac
if test "$with_pop" = yes; then
AC_MSG_WARN([This configuration installs a 'movemail' program
that retrieves POP3 email via only insecure channels.
To fix this you can $emacs_fix_movemail.])
elif test "$emacs_fix_movemail"; then
AC_MSG_NOTICE([This configuration installs a 'movemail' program that cannot
retrieve POP3 email. You might want to $emacs_fix_movemail.])
fi
fi
test "$MAKE" = make || AC_MSG_NOTICE([Now you can run '$MAKE'.])