import of readline-4.3

1 files changed, 69 insertions, 19 deletions

diff --git a/readline/configure.in b/readline/configure.in
index f977fec..bc78f8a 100644
--- a/readline/configure.in
+++ b/readline/configure.in
@@ -4,33 +4,47 @@ dnl
 dnl report bugs to chet@po.cwru.edu
 dnl
 dnl Process this file with autoconf to produce a configure script.
-AC_REVISION([for Readline 4.1, version 2.22, from autoconf version] AC_ACVERSION)
-LIBVERSION=4.1
+AC_REVISION([for Readline 4.3, version 2.45, from autoconf version] AC_ACVERSION)
 
-AC_INIT(readline.h)
-AC_CONFIG_HEADER(config.h)
+AC_INIT(readline, 4.3, bug-readline@gnu.org)
 
 dnl make sure we are using a recent autoconf version
-AC_PREREQ(2.10)
+AC_PREREQ(2.50)
 
+AC_CONFIG_SRCDIR(readline.h)
 AC_CONFIG_AUX_DIR(./support)
+AC_CONFIG_HEADERS(config.h)
+
+dnl update the value of RL_READLINE_VERSION in readline.h when this changes
+LIBVERSION=4.3
 
 AC_CANONICAL_HOST
 
 dnl configure defaults
 opt_curses=no
-opt_shared=no
 
 dnl arguments to configure
-AC_ARG_WITH(curses, --with-curses               use the curses library instead of the termcap library,opt_curses=$withval)
+AC_ARG_WITH(curses, AC_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
 
 if test "$opt_curses" = "yes"; then
 	prefer_curses=yes
 fi
 
+dnl option parsing for optional features
+opt_static_libs=yes
+opt_shared_libs=yes
+
+AC_ARG_ENABLE(shared, AC_HELP_STRING([--enable-shared], [build shared libraries [[default=YES]]]), opt_shared_libs=$enableval)
+AC_ARG_ENABLE(static, AC_HELP_STRING([--enable-static], [build static libraries [[default=YES]]]), opt_static_libs=$enableval)
+
+echo ""
+echo "Beginning configuration for readline-$LIBVERSION for ${host_cpu}-${host_vendor}-${host_os}"
+echo ""
+
 # We want these before the checks, so the checks can modify their values.
 test -z "$CFLAGS" && CFLAGS=-g auto_cflags=1
 
+AC_PROG_MAKE_SET
 AC_PROG_CC
 dnl AC_AIX
 AC_MINIX
@@ -40,7 +54,7 @@ test -n "$GCC" && test -n "$auto_cflags" && CFLAGS="$CFLAGS -O"
 
 AC_PROG_GCC_TRADITIONAL
 AC_PROG_INSTALL
-AC_CHECK_PROG(AR, ar, ar)
+AC_CHECK_PROG(AR, ar, , ar)
 dnl Set default for ARFLAGS, since autoconf does not have a macro for it.
 dnl This allows people to set it when running configure or make
 test -n "$ARFLAGS" || ARFLAGS="cr"
@@ -49,33 +63,42 @@ AC_PROG_RANLIB
 MAKE_SHELL=/bin/sh
 AC_SUBST(MAKE_SHELL)
 
-AC_RETSIGTYPE
+AC_C_CONST
+AC_C_PROTOTYPES
+AC_C_CHAR_UNSIGNED
+
+AC_TYPE_SIGNAL
+
+AC_TYPE_SIZE_T
+AC_CHECK_TYPE(ssize_t, int)
 
 AC_HEADER_STAT
 AC_HEADER_DIRENT
 
 AC_CHECK_FUNCS(lstat memmove putenv select setenv setlocale \
-		strcasecmp tcgetattr)
+		strcasecmp strpbrk tcgetattr vsnprintf isascii isxdigit)
 
 AC_FUNC_STRCOLL
 
-AC_CHECK_HEADERS(unistd.h stdlib.h varargs.h stdarg.h string.h \
-		sys/ptem.h sys/pte.h sys/stream.h sys/select.h \
-		termcap.h termios.h termio.h sys/file.h locale.h)
+AC_CHECK_HEADERS(unistd.h stdlib.h varargs.h stdarg.h string.h strings.h \
+		limits.h sys/ptem.h sys/pte.h sys/stream.h sys/select.h \
+		termcap.h termios.h termio.h sys/file.h locale.h memory.h )
 
-BASH_SIGNAL_CHECK
-BASH_REINSTALL_SIGHANDLERS
+BASH_SYS_SIGNAL_VINTAGE
+BASH_SYS_REINSTALL_SIGHANDLERS
 
 BASH_FUNC_POSIX_SETJMP
 BASH_FUNC_LSTAT
-BASH_CHECK_GETPW_FUNCS
 BASH_FUNC_STRCOLL
 
+BASH_CHECK_GETPW_FUNCS
+
+AC_HEADER_TIOCGWINSZ
+
 BASH_TYPE_SIGHANDLER
-BASH_HAVE_TIOCGWINSZ
 BASH_HAVE_TIOCSTAT
 BASH_HAVE_FIONREAD
-BASH_MISC_SPEED_T
+BASH_CHECK_SPEED_T
 BASH_STRUCT_WINSIZE
 BASH_STRUCT_DIRENT_D_INO
 BASH_STRUCT_DIRENT_D_FILENO
@@ -86,11 +109,18 @@ aix*)   prefer_curses=yes ;;
 esac
 BASH_CHECK_LIB_TERMCAP
 if test "$TERMCAP_LIB" = "./lib/termcap/libtermcap.a"; then
-	TERMCAP_LIB=-ltermcap	#default
+	if test "$prefer_curses" = yes; then
+		TERMCAP_LIB=-lcurses
+	else
+		TERMCAP_LIB=-ltermcap	#default
+	fi
 fi
 
+BASH_CHECK_MULTIBYTE
+
 case "$host_cpu" in
 *cray*)	LOCAL_CFLAGS=-DCRAY ;;
+*s390*) LOCAL_CFLAGS=-fsigned-char ;;
 esac
 
 case "$host_os" in
@@ -119,6 +149,12 @@ if test -f ${srcdir}/support/shobj-conf; then
 	AC_SUBST(SHLIB_LIBS)
         AC_MSG_RESULT($SHLIB_STATUS)
 
+	# SHLIB_STATUS is either `supported' or `unsupported'.  If it's
+	# `unsupported', turn off any default shared library building
+	if test "$SHLIB_STATUS" = 'unsupported'; then
+		opt_shared_libs=no
+	fi
+
 	# shared library versioning
 	# quoted for m4 so I can use character classes
 	SHLIB_MAJOR=[`expr "$LIBVERSION" : '\([0-9]\)\..*'`]
@@ -127,6 +163,20 @@ if test -f ${srcdir}/support/shobj-conf; then
 	AC_SUBST(SHLIB_MINOR)
 fi
 
+if test "$opt_static_libs" = "yes"; then
+	STATIC_TARGET=static
+	STATIC_INSTALL_TARGET=install-static
+fi
+if test "$opt_shared_libs" = "yes"; then
+	SHARED_TARGET=shared
+	SHARED_INSTALL_TARGET=install-shared
+fi
+
+AC_SUBST(STATIC_TARGET)
+AC_SUBST(SHARED_TARGET)
+AC_SUBST(STATIC_INSTALL_TARGET)
+AC_SUBST(SHARED_INSTALL_TARGET)
+
 case "$host_os" in
 msdosdjgpp*)	BUILD_DIR=`pwd.exe` ;;	# to prevent //d/path/file
 *)		BUILD_DIR=`pwd` ;;