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Add configure flag to allow libedit to be preferred over GNU readline:

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--with-libedit-preferred  prefer BSD Libedit over GNU Readline
This commit is contained in:
Bruce Momjian
2005-12-04 03:52:29 +00:00
parent e4a9229d55
commit 10e3d224e0
4 changed files with 105 additions and 34 deletions
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27
config/programs.m4
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@ -1,4 +1,4 @@
# $PostgreSQL: pgsql/config/programs.m4,v 1.18 2004/12/02 20:04:19 tgl Exp $
# $PostgreSQL: pgsql/config/programs.m4,v 1.19 2005/12/04 03:52:28 momjian Exp $
# PGAC_PATH_FLEX
@ -78,12 +78,16 @@ AC_SUBST(FLEXFLAGS)
AC_DEFUN([PGAC_CHECK_READLINE],
[AC_REQUIRE([AC_CANONICAL_HOST])
AC_MSG_CHECKING([for readline])
AC_CACHE_VAL([pgac_cv_check_readline],
[pgac_cv_check_readline=no
pgac_save_LIBS=$LIBS
for pgac_rllib in -lreadline -ledit ; do
if test x"$with_libedit_preferred" != x"yes"
then READLINE_ORDER="-lreadline -ledit"
else READLINE_ORDER="-ledit -lreadline"
fi
for pgac_rllib in $READLINE_ORDER ; do
AC_MSG_CHECKING([for ${pgac_rllib}])
for pgac_lib in "" " -ltermcap" " -lncurses" " -lcurses" ; do
LIBS="${pgac_rllib}${pgac_lib} $pgac_save_LIBS"
AC_TRY_LINK_FUNC([readline], [[
@ -98,20 +102,25 @@ for pgac_rllib in -lreadline -ledit ; do
esac
pgac_cv_check_readline="${pgac_rllib}${pgac_lib}"
break 2
break
]])
done
if test "$pgac_cv_check_readline" != no ; then
AC_MSG_RESULT([yes ($pgac_cv_check_readline)])
break
else
AC_MSG_RESULT(no)
fi
done
LIBS=$pgac_save_LIBS
])[]dnl AC_CACHE_VAL
if test "$pgac_cv_check_readline" != no ; then
AC_DEFINE(HAVE_LIBREADLINE, 1, [Define if you have a function readline library])
LIBS="$pgac_cv_check_readline $LIBS"
AC_MSG_RESULT([yes ($pgac_cv_check_readline)])
else
AC_MSG_RESULT(no)
fi])# PGAC_CHECK_READLINE
AC_DEFINE(HAVE_LIBREADLINE, 1, [Define if you have a function readline library])
fi
])# PGAC_CHECK_READLINE