-# $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
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} $pgac_save_LIBS"
AC_TRY_LINK_FUNC([readline], [[
esac
pgac_cv_check_readline="${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
--with-pam build with PAM support
--with-bonjour build with Bonjour support
--with-openssl build with OpenSSL support
- --without-readline do not use Readline
+ --with-libedit-preferred prefer BSD Libedit over GNU Readline
+ --without-readline do not use GNU Readline / BSD Libedit line editing
--without-zlib do not use Zlib
--with-gnu-ld assume the C compiler uses GNU ld [default=no]
+#
+# Prefer libedit
+#
+
+
+
+# Check whether --with-libedit-preferred or --without-libedit-preferred was given.
+if test "${with_libedit_preferred+set}" = set; then
+ withval="$with_libedit_preferred"
+
+ case $withval in
+ yes)
+ :
+ ;;
+ no)
+ :
+ ;;
+ *)
+ { { echo "$as_me:$LINENO: error: no argument expected for --with-libedit-preferred option" >&5
+echo "$as_me: error: no argument expected for --with-libedit-preferred option" >&2;}
+ { (exit 1); exit 1; }; }
+ ;;
+ esac
+
+else
+ with_libedit_preferred=no
+
+fi;
+
+
+
#
# Readline
#
if test "$with_readline" = yes; then
-echo "$as_me:$LINENO: checking for readline" >&5
-echo $ECHO_N "checking for readline... $ECHO_C" >&6
if test "${pgac_cv_check_readline+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
pgac_cv_check_readline=no
pgac_save_LIBS=$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 $READLINE_ORDER ; do
+ echo "$as_me:$LINENO: checking for ${pgac_rllib}" >&5
+echo $ECHO_N "checking for ${pgac_rllib}... $ECHO_C" >&6
for pgac_lib in "" " -ltermcap" " -lncurses" " -lcurses" ; do
LIBS="${pgac_rllib}${pgac_lib} $pgac_save_LIBS"
cat >conftest.$ac_ext <<_ACEOF
esac
pgac_cv_check_readline="${pgac_rllib}${pgac_lib}"
- break 2
+ break
else
echo "$as_me: failed program was:" >&5
rm -f conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
done
+ if test "$pgac_cv_check_readline" != no ; then
+ echo "$as_me:$LINENO: result: yes ($pgac_cv_check_readline)" >&5
+echo "${ECHO_T}yes ($pgac_cv_check_readline)" >&6
+ break
+ else
+ echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
+ fi
done
LIBS=$pgac_save_LIBS
fi
if test "$pgac_cv_check_readline" != no ; then
+ LIBS="$pgac_cv_check_readline $LIBS"
cat >>confdefs.h <<\_ACEOF
#define HAVE_LIBREADLINE 1
_ACEOF
- LIBS="$pgac_cv_check_readline $LIBS"
- echo "$as_me:$LINENO: result: yes ($pgac_cv_check_readline)" >&5
-echo "${ECHO_T}yes ($pgac_cv_check_readline)" >&6
-else
- echo "$as_me:$LINENO: result: no" >&5
-echo "${ECHO_T}no" >&6
fi
+
+
if test x"$pgac_cv_check_readline" = x"no"; then
{ { echo "$as_me:$LINENO: error: readline library not found
If you have readline already installed, see config.log for details on the
dnl Process this file with autoconf to produce a configure script.
-dnl $PostgreSQL: pgsql/configure.in,v 1.432 2005/11/05 16:42:01 tgl Exp $
+dnl $PostgreSQL: pgsql/configure.in,v 1.433 2005/12/04 03:52:24 momjian Exp $
dnl
dnl Developers, please strive to achieve this order:
dnl
AC_SUBST(with_openssl)
+#
+# Prefer libedit
+#
+PGAC_ARG_BOOL(with, libedit-preferred, no,
+ [ --with-libedit-preferred prefer BSD Libedit over GNU Readline])
+
+
#
# Readline
#
PGAC_ARG_BOOL(with, readline, yes,
- [ --without-readline do not use Readline])
+ [ --without-readline do not use GNU Readline / BSD Libedit line editing])
# readline on MinGW has problems with backslashes in psql and other bugs.
# This is particularly a problem with non-US code pages.
# Therefore disable its use until we understand the cause. 2004-07-20
-<!-- $PostgreSQL: pgsql/doc/src/sgml/installation.sgml,v 1.249 2005/11/05 00:04:04 tgl Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/installation.sgml,v 1.250 2005/12/04 03:52:29 momjian Exp $ -->
<chapter id="installation">
<title><![%standalone-include[<productname>PostgreSQL</>]]>
<para>
In general, a modern Unix-compatible platform should be able to run
<productname>PostgreSQL</>.
- The platforms that had received specific testing at the
+ The platforms that had received specific testing at the
time of release are listed in <xref linkend="supported-platforms">
below. In the <filename>doc</> subdirectory of the distribution
there are several platform-specific <acronym>FAQ</> documents you
</indexterm>
The <acronym>GNU</> <productname>Readline</> library (for
- comfortable line editing and command history retrieval) will be
- used by default. If you don't want to use it then you must
- specify the <option>--without-readline</option> option for
- <filename>configure</>. (On <productname>NetBSD</productname>,
- the <filename>libedit</filename> library is
- <productname>Readline</productname>-compatible and is used if
- <filename>libreadline</filename> is not found.) If you are using
- a package-based Linux distribution, be aware that you need both
- the <literal>readline</> and <literal>readline-devel</> packages,
- if those are separate in your distribution.
+ simple line editing and command history retrieval) is
+ used by default. If you don't want to use it then you must specify
+ the <option>--without-readline</option> option for
+ <filename>configure</>. As an alternative, you can often use the
+ BSD-licensed <filename>libedit</filename> library, originally
+ developed on <productname>NetBSD</productname>. The
+ <filename>libedit</filename> library is
+ GNU <productname>Readline</productname>-compatible and is used if
+ <filename>libreadline</filename> is not found, or if
+ <option>--with-libedit-preferred</option> is used as an
+ option to <filename>configure</>. If you are using a package-based
+ Linux distribution, be aware that you need both the
+ <literal>readline</> and <literal>readline-devel</> packages, if
+ those are separate in your distribution.
</para>
</listitem>
</listitem>
</varlistentry>
+ <varlistentry>
+ <term><option>--with-libedit-preferred</option></term>
+ <listitem>
+ <para>
+ Favors the use of the BSD-licensed <application>libedit</> library
+ rather than GPL-licensed <application>Readline</>.
+ </para>
+ </listitem>
+ </varlistentry>
+
<varlistentry>
<term><option>--without-readline</option></term>
<listitem>