Readline and Zlib now required by default. Add options --without-readline

and --without-zlib to turn them off.

config/programs.m4

-# $Header: /cvsroot/pgsql/config/programs.m4,v 1.9 2002/04/10 16:45:24 petere Exp $
+# $Header: /cvsroot/pgsql/config/programs.m4,v 1.10 2002/04/10 22:46:33 petere Exp $
 
 
 # PGAC_PATH_FLEX
@@ -115,6 +115,27 @@ fi])# PGAC_CHECK_READLINE
 
 
 
+# PGAC_VAR_RL_COMPLETION_APPEND_CHARACTER
+# ---------------------------------------
+# Readline versions < 2.1 don't have rl_completion_append_character
+
+AC_DEFUN([PGAC_VAR_RL_COMPLETION_APPEND_CHARACTER],
+[AC_MSG_CHECKING([for rl_completion_append_character])
+AC_TRY_LINK([#include <stdio.h>
+#ifdef HAVE_READLINE_READLINE_H
+# include <readline/readline.h>
+#elif defined(HAVE_READLINE_H)
+# include <readline.h>
+#endif
+],
+[rl_completion_append_character = 'x';],
+[AC_MSG_RESULT(yes)
+AC_DEFINE(HAVE_RL_COMPLETION_APPEND_CHARACTER, 1,
+          [Define if you have rl_completion_append_character])],
+[AC_MSG_RESULT(no)])])# PGAC_VAR_RL_COMPLETION_APPEND_CHARACTER
+
+
+
 # PGAC_CHECK_GETTEXT
 # ------------------
 

configure.in

 dnl Process this file with autoconf to produce a configure script.
-dnl $Header: /cvsroot/pgsql/configure.in,v 1.176 2002/04/10 16:45:24 petere Exp $
+dnl $Header: /cvsroot/pgsql/configure.in,v 1.177 2002/04/10 22:46:31 petere Exp $
 
 dnl Developers, please strive to achieve this order:
 dnl
@@ -511,6 +511,19 @@ PGAC_ARG_OPTARG(with, openssl,
 AC_SUBST(with_openssl)
 
 
+#
+# Readline
+#
+PGAC_ARG_BOOL(with, readline, yes,
+              [  --without-readline      do not use Readline])
+
+#
+# Zlib
+#
+PGAC_ARG_BOOL(with, zlib, yes,
+              [  --without-zlib          do not use Zlib])
+
+
 
 #
 # Optionally enable the building of the ODBC driver
@@ -676,11 +689,6 @@ fi
 ## Libraries
 ##
 
-PGAC_CHECK_READLINE
-AC_SEARCH_LIBS(using_history, history,
-               [AC_DEFINE(HAVE_HISTORY_FUNCTIONS, 1,
-                          [Define if you have the history functions])])
-
 if test "$PORTNAME" != "aix" -a "$PORTNAME" != "alpha"
 then
 	AC_CHECK_LIB(bsd,      main)
@@ -705,16 +713,23 @@ AC_CHECK_LIB([[unix]], main)
 AC_SEARCH_LIBS(crypt,  crypt)
 # BeOS:
 AC_CHECK_LIB(bind,     __inet_ntoa)
-# Only consider libz to be present if we find <zlib.h> as well;
-# furthermore, check that <zlib.h> defines z_streamp (versions before
-# about 1.0.4 did not).  While we could work around the lack of z_streamp,
-# it seems unwise to encourage people to use such old zlib versions...
-AC_EGREP_HEADER(z_streamp, zlib.h, [
-AC_CHECK_LIB(z,        inflate)
-])
 # Solaris:
 AC_SEARCH_LIBS(fdatasync, [rt posix4])
 
+if test "$with_readline" = yes; then
+  PGAC_CHECK_READLINE
+  if test x"$pgac_cv_check_readline" = x"no"; then
+    AC_MSG_ERROR([readline library not found
+Use --without-readline to disable readline support.])
+  fi
+fi
+
+if test "$with_zlib" = yes; then
+  AC_CHECK_LIB(z, inflate, [],
+               [AC_MSG_ERROR([zlib library not found
+Use --without-zlib to disable zlib support.])])
+fi
+
 if test "$with_krb4" = yes ; then
   AC_CHECK_LIB(des, [des_encrypt], [], [AC_MSG_ERROR([library 'des' is required for Kerberos 4])])
   AC_CHECK_LIB(krb, [krb_sendauth], [], [AC_MSG_ERROR([library 'krb' is required for Kerberos 4])])
@@ -756,8 +771,21 @@ AC_CHECK_HEADERS([netinet/tcp.h], [], [],
 #endif
 ])
 
-AC_CHECK_HEADERS([readline/readline.h readline.h], [break])
-AC_CHECK_HEADERS([readline/history.h history.h], [break])
+if test "$with_readline" = yes; then
+  AC_CHECK_HEADERS([readline/readline.h], [],
+                   [AC_CHECK_HEADERS([readline.h], [],
+                                     [AC_MSG_ERROR([readline header not found
+Use --without-readline to disable readline support.])])])
+  AC_CHECK_HEADERS([readline/history.h], [],
+                   [AC_CHECK_HEADERS([history.h], [],
+                                     [AC_MSG_ERROR([history header not found
+Use --without-readline to disable readline support.])])])
+fi
+
+if test "$with_zlib" = yes; then
+  AC_CHECK_HEADER(zlib.h, [], [AC_MSG_ERROR([zlib header not found
+Use --without-zlib to disable zlib support.])])
+fi
 
 if test "$with_krb4" = yes ; then
   AC_CHECK_HEADER(krb.h, [], [AC_MSG_ERROR([header file <krb.h> is required for Kerberos 4])])
@@ -796,6 +824,15 @@ AC_CHECK_TYPES([struct cmsgcred, struct fcred, struct sockcred], [], [],
 #include <sys/socket.h>
 #include <sys/ucred.h>])
 
+if test "$with_zlib" = yes; then
+  # Check that <zlib.h> defines z_streamp (versions before about 1.0.4
+  # did not).  While we could work around the lack of z_streamp, it
+  # seems unwise to encourage people to use such old zlib versions...
+  AC_CHECK_TYPE(z_streamp, [], [AC_MSG_ERROR([zlib version is too old
+Use --without-zlib to disable zlib support.])],
+                [#include <zlib.h>])
+fi
+
 if test "$with_krb5" = yes; then
 # Check for differences between MIT and Heimdal (KTH) releases
   AC_CHECK_MEMBERS([krb5_ticket.enc_part2], [],
@@ -914,22 +951,10 @@ AC_CHECK_FUNCS(rint, [],
                [AC_CHECK_LIB(m, rint, AC_DEFINE(HAVE_RINT), , $HPUXMATHLIB)])
 
 
-# Readline versions < 2.1 don't have rl_completion_append_character
-AC_MSG_CHECKING([for rl_completion_append_character])
-AC_TRY_LINK([#include <stdio.h>
-#ifdef HAVE_READLINE_READLINE_H
-# include <readline/readline.h>
-#elif defined(HAVE_READLINE_H)
-# include <readline.h>
-#endif
-],
-[rl_completion_append_character = 'x';],
-[AC_MSG_RESULT(yes)
-AC_DEFINE(HAVE_RL_COMPLETION_APPEND_CHARACTER, 1,
-          [Define if you have rl_completion_append_character])],
-[AC_MSG_RESULT(no)])
-
-AC_CHECK_FUNCS([rl_completion_matches rl_filename_completion_function])
+if test "$with_readline" = yes; then
+  PGAC_VAR_RL_COMPLETION_APPEND_CHARACTER
+  AC_CHECK_FUNCS([rl_completion_matches rl_filename_completion_function])
+fi
 
 
 dnl Cannot use AC_CHECK_FUNC because finite may be a macro

doc/src/sgml/installation.sgml

-<!-- $Header: /cvsroot/pgsql/doc/src/sgml/installation.sgml,v 1.76 2002/04/10 16:45:25 petere Exp $ -->
+<!-- $Header: /cvsroot/pgsql/doc/src/sgml/installation.sgml,v 1.77 2002/04/10 22:46:33 petere Exp $ -->
 
 <chapter id="installation">
  <title><![%standalone-include[<productname>PostgreSQL</>]]>
@@ -92,11 +92,12 @@ su - postgres
        <primary>readline</primary>
       </indexterm>
 
-      The <acronym>GNU</> <productname>Readline</> library (for comfortable
-      line editing and command history retrieval) will automatically be used
-      if found. You might wish to install it before proceeding, but it is not
-      essential.  (On <productname>NetBSD</productname>, the
-      <filename>libedit</filename> library is
+      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.)
      </para>
@@ -847,6 +848,29 @@ su - postgres
        </listitem>
       </varlistentry>
 
+      <varlistentry>
+       <term><option>--without-readline</option></term>
+       <listitem>
+        <para>
+         Prevents the use of the Readline library.  This disables
+         command-line editing and history in
+         <application>psql</application>, so it is not recommended.
+        </para>
+       </listitem>
+      </varlistentry>
+
+      <varlistentry>
+       <term><option>--without-zlib</option></term>
+       <listitem>
+        <para>
+         Prevents the use of the Zlib library.  This disables
+         compression support in <application>pg_dump</application>.
+         This option is only intended for those rare systems where this
+         library is not available.
+        </para>
+       </listitem>
+      </varlistentry>
+
       <varlistentry>
        <term><option>--enable-debug</option></term>
        <listitem>

doc/src/sgml/release.sgml

 <!--
-$Header: /cvsroot/pgsql/doc/src/sgml/release.sgml,v 1.131 2002/04/05 00:31:23 tgl Exp $
+$Header: /cvsroot/pgsql/doc/src/sgml/release.sgml,v 1.132 2002/04/10 22:46:48 petere Exp $
 -->
 
 <appendix id="release">
@@ -24,6 +24,7 @@ CDATA means the content is "SGML-free", so you can write without
 worries about funny characters.
 -->
 <literallayout><![CDATA[
+Readline and Zlib are now required by default and must be turned off explicitly if their use is not desired
 Define a third class of function volatility to allow indexscans in more cases
 Locale support is now built by default; choice of locale is set by initdb and/or at run-time
 ALTER TABLE ALTER COLUMN SET/DROP NOT NULL

src/bin/psql/input.c

@@ -3,7 +3,7 @@
  *
  * Copyright 2000 by PostgreSQL Global Development Group
  *
- * $Header: /cvsroot/pgsql/src/bin/psql/input.c,v 1.18 2001/10/25 05:49:54 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/bin/psql/input.c,v 1.19 2002/04/10 22:46:58 petere Exp $
  */
 #include "postgres_fe.h"
 #include "input.h"
@@ -19,8 +19,6 @@
 /* (of course there is no runtime command for doing that :) */
 #ifdef USE_READLINE
 static bool useReadline;
-#endif
-#ifdef USE_HISTORY
 static bool useHistory;
 #endif
 
@@ -44,7 +42,7 @@ gets_interactive(char *prompt)
 {
 	char	   *s;
 
-#ifdef USE_HISTORY
+#ifdef USE_READLINE
 	const char *var;
 	static char *prev_hist = NULL;
 #endif
@@ -62,7 +60,7 @@ gets_interactive(char *prompt)
 	}
 #endif
 
-#ifdef USE_HISTORY
+#ifdef USE_READLINE
 	if (useHistory && s && s[0] != '\0')
 	{
 		var = GetVariable(pset.vars, "HISTCONTROL");
@@ -133,7 +131,7 @@ initializeInput(int flags)
 	}
 #endif
 
-#ifdef USE_HISTORY
+#ifdef USE_READLINE
 	if (flags == 1)
 	{
 		const char *home;
@@ -168,7 +166,7 @@ initializeInput(int flags)
 bool
 saveHistory(char *fname)
 {
-#ifdef USE_HISTORY
+#ifdef USE_READLINE
 	if (useHistory && fname)
 	{
 		if (write_history(fname) != 0)
@@ -194,7 +192,7 @@ finishInput(void)
 finishInput(int exitstatus, void *arg)
 #endif
 {
-#ifdef USE_HISTORY
+#ifdef USE_READLINE
 	if (useHistory)
 	{
 		char	   *home;

src/bin/psql/input.h

@@ -3,7 +3,7 @@
  *
  * Copyright 2000 by PostgreSQL Global Development Group
  *
- * $Header: /cvsroot/pgsql/src/bin/psql/input.h,v 1.15 2001/11/05 17:46:31 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/bin/psql/input.h,v 1.16 2002/04/10 22:47:03 petere Exp $
  */
 #ifndef INPUT_H
 #define INPUT_H
@@ -12,26 +12,20 @@
  * If some other file needs to have access to readline/history, include this
  * file and save yourself all this work.
  *
- * USE_READLINE and USE_HISTORY are the definite pointers regarding existence or not.
+ * USE_READLINE is the definite pointers regarding existence or not.
  */
 #ifdef HAVE_LIBREADLINE
-#if defined(HAVE_READLINE_READLINE_H)
-#include <readline/readline.h>
-#define USE_READLINE 1
-#elif defined(HAVE_READLINE_H)
-#include <readline.h>
-#define USE_READLINE 1
-#endif
-#endif
-
-#if defined(HAVE_HISTORY_FUNCTIONS)
-#if defined(HAVE_READLINE_HISTORY_H)
-#include <readline/history.h>
-#define USE_HISTORY 1
-#elif defined(HAVE_HISTORY_H)
-#include <history.h>
-#define USE_HISTORY 1
-#endif
+# define USE_READLINE 1
+# if defined(HAVE_READLINE_READLINE_H)
+#  include <readline/readline.h>
+# elif defined(HAVE_READLINE_H)
+#  include <readline.h>
+# endif
+# if defined(HAVE_READLINE_HISTORY_H)
+#  include <readline/history.h>
+# elif defined(HAVE_HISTORY_H)
+#  include <history.h>
+# endif
 #endif
 
 char	   *gets_interactive(char *prompt);

src/bin/psql/startup.c

@@ -3,7 +3,7 @@
  *
  * Copyright 2000 by PostgreSQL Global Development Group
  *
- * $Header: /cvsroot/pgsql/src/bin/psql/startup.c,v 1.55 2002/03/27 19:16:13 petere Exp $
+ * $Header: /cvsroot/pgsql/src/bin/psql/startup.c,v 1.56 2002/04/10 22:47:04 petere Exp $
  */
 #include "postgres_fe.h"
 
@@ -636,7 +636,7 @@ showVersion(void)
 {
 	puts("psql (PostgreSQL) " PG_VERSION);
 
-#if defined(USE_READLINE) || defined (USE_HISTORY) || defined(MULTIBYTE)
+#if defined(USE_READLINE) || defined(MULTIBYTE)
 	fputs(gettext("contains support for: "), stdout);
 
 #ifdef USE_READLINE
@@ -644,15 +644,6 @@ showVersion(void)
 #define _Feature
 #endif
 
-#ifdef USE_HISTORY
-#ifdef _Feature
-	fputs(", ", stdout);
-#else
-#define _Feature
-#endif
-	fputs(gettext("history"), stdout);
-#endif
-
 #ifdef MULTIBYTE
 #ifdef _Feature
 	fputs(", ", stdout);

src/include/pg_config.h.in

@@ -8,7 +8,7 @@
  * or in pg_config.h afterwards.  Of course, if you edit pg_config.h, then your
  * changes will be overwritten the next time you run configure.
  *
- * $Id: pg_config.h.in,v 1.20 2002/04/03 05:39:33 petere Exp $
+ * $Id: pg_config.h.in,v 1.21 2002/04/10 22:47:09 petere Exp $
  */
 
 #ifndef PG_CONFIG_H
@@ -420,9 +420,6 @@
 /* Define if you have the stricmp function.  */
 #undef HAVE_STRICMP
 
-/* Set to 1 if you have history functions (either in libhistory or libreadline) */
-#undef HAVE_HISTORY_FUNCTIONS
-
 /* Set to 1 if you have <pwd.h> */
 #undef HAVE_PWD_H
 
@@ -590,9 +587,6 @@ extern int fdatasync(int fildes);
 /* Set to 1 if you have libreadline.a */
 #undef HAVE_LIBREADLINE
 
-/* Set to 1 if you have libhistory.a */
-#undef HAVE_LIBHISTORY
-
 /* Set to 1 if your libreadline defines rl_completion_append_character */
 #undef HAVE_RL_COMPLETION_APPEND_CHARACTER