Import readline 8.0

This imports readline 8.0. readline/ChangeLog.gdb 2019-08-12 Tom Tromey <tom@tromey.com> * Imported readline 8.0.
2025-12-26 01:07:52 +00:00 · 2019-08-12 10:24:03 -06:00
parent ca2589f3bb
commit cb41b9e70e
77 changed files with 4056 additions and 2156 deletions
--- a/readline/configure
+++ b/readline/configure
@@ -1,7 +1,7 @@
 #! /bin/sh
-# From configure.ac for Readline 7.0, version 2.81.
+# From configure.ac for Readline 8.0, version 2.85.
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for readline 7.0.
+# Generated by GNU Autoconf 2.69 for readline 8.0.
 #
 # Report bugs to <bug-readline@gnu.org>.
 #
@@ -581,8 +581,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='readline'
 PACKAGE_TARNAME='readline'
-PACKAGE_VERSION='7.0'
-PACKAGE_STRING='readline 7.0'
+PACKAGE_VERSION='8.0'
+PACKAGE_STRING='readline 8.0'
 PACKAGE_BUGREPORT='bug-readline@gnu.org'
 PACKAGE_URL=''

@@ -624,6 +624,7 @@ ac_includes_default="\
 #endif"

 ac_subst_vars='LTLIBOBJS
+TERMCAP_PKG_CONFIG_LIB
 TERMCAP_LIB
 LIBVERSION
 ARFLAGS
@@ -631,6 +632,7 @@ LOCAL_DEFS
 LOCAL_LDFLAGS
 LOCAL_CFLAGS
 BUILD_DIR
+EXAMPLES_INSTALL_TARGET
 SHARED_INSTALL_TARGET
 STATIC_INSTALL_TARGET
 SHARED_TARGET
@@ -723,6 +725,7 @@ enable_option_checking
 with_curses
 enable_multibyte
 enable_static
+enable_install_examples
 enable_largefile
 '
      ac_precious_vars='build_alias
@@ -1274,7 +1277,7 @@ if test "$ac_init_help" = "long"; then
  # Omit some internal or obsolete options to make the list less imposing.
  # This message is too long to be a string in the A/UX 3.1 sh.
  cat <<_ACEOF
-\`configure' configures readline 7.0 to adapt to many kinds of systems.
+\`configure' configures readline 8.0 to adapt to many kinds of systems.

 Usage: $0 [OPTION]... [VAR=VALUE]...

@@ -1339,7 +1342,7 @@ fi

 if test -n "$ac_init_help"; then
  case $ac_init_help in
-     short | recursive ) echo "Configuration of readline 7.0:";;
+     short | recursive ) echo "Configuration of readline 8.0:";;
   esac
  cat <<\_ACEOF

@@ -1349,6 +1352,8 @@ Optional Features:
  --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
  --enable-multibyte      enable multibyte characters if OS supports them
  --enable-static         build static libraries [[default=YES]]
+  --disable-install-examples
+                          don't install examples [[default=install]]
  --disable-largefile     omit support for large files

 Optional Packages:
@@ -1433,7 +1438,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
  cat <<\_ACEOF
-readline configure 7.0
+readline configure 8.0
 generated by GNU Autoconf 2.69

 Copyright (C) 2012 Free Software Foundation, Inc.
@@ -1898,11 +1903,194 @@ $as_echo "$ac_res" >&6; }
  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno

 } # ac_fn_c_check_decl
+
+# ac_fn_c_compute_int LINENO EXPR VAR INCLUDES
+# --------------------------------------------
+# Tries to find the compile-time value of EXPR in a program that includes
+# INCLUDES, setting VAR accordingly. Returns whether the value could be
+# computed
+ac_fn_c_compute_int ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  if test "$cross_compiling" = yes; then
+    # Depending upon the size, compute the lo and hi bounds.
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+int
+main ()
+{
+static int test_array [1 - 2 * !(($2) >= 0)];
+test_array [0] = 0;
+return test_array [0];
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_lo=0 ac_mid=0
+  while :; do
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+int
+main ()
+{
+static int test_array [1 - 2 * !(($2) <= $ac_mid)];
+test_array [0] = 0;
+return test_array [0];
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_hi=$ac_mid; break
+else
+  as_fn_arith $ac_mid + 1 && ac_lo=$as_val
+			if test $ac_lo -le $ac_mid; then
+			  ac_lo= ac_hi=
+			  break
+			fi
+			as_fn_arith 2 '*' $ac_mid + 1 && ac_mid=$as_val
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  done
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+int
+main ()
+{
+static int test_array [1 - 2 * !(($2) < 0)];
+test_array [0] = 0;
+return test_array [0];
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_hi=-1 ac_mid=-1
+  while :; do
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+int
+main ()
+{
+static int test_array [1 - 2 * !(($2) >= $ac_mid)];
+test_array [0] = 0;
+return test_array [0];
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_lo=$ac_mid; break
+else
+  as_fn_arith '(' $ac_mid ')' - 1 && ac_hi=$as_val
+			if test $ac_mid -le $ac_hi; then
+			  ac_lo= ac_hi=
+			  break
+			fi
+			as_fn_arith 2 '*' $ac_mid && ac_mid=$as_val
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  done
+else
+  ac_lo= ac_hi=
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+# Binary search between lo and hi bounds.
+while test "x$ac_lo" != "x$ac_hi"; do
+  as_fn_arith '(' $ac_hi - $ac_lo ')' / 2 + $ac_lo && ac_mid=$as_val
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+int
+main ()
+{
+static int test_array [1 - 2 * !(($2) <= $ac_mid)];
+test_array [0] = 0;
+return test_array [0];
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_hi=$ac_mid
+else
+  as_fn_arith '(' $ac_mid ')' + 1 && ac_lo=$as_val
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+done
+case $ac_lo in #((
+?*) eval "$3=\$ac_lo"; ac_retval=0 ;;
+'') ac_retval=1 ;;
+esac
+  else
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+static long int longval () { return $2; }
+static unsigned long int ulongval () { return $2; }
+#include <stdio.h>
+#include <stdlib.h>
+int
+main ()
+{
+
+  FILE *f = fopen ("conftest.val", "w");
+  if (! f)
+    return 1;
+  if (($2) < 0)
+    {
+      long int i = longval ();
+      if (i != ($2))
+	return 1;
+      fprintf (f, "%ld", i);
+    }
+  else
+    {
+      unsigned long int i = ulongval ();
+      if (i != ($2))
+	return 1;
+      fprintf (f, "%lu", i);
+    }
+  /* Do not output a trailing newline, as this causes \r\n confusion
+     on some platforms.  */
+  return ferror (f) || fclose (f) != 0;
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+  echo >>conftest.val; read $3 <conftest.val; ac_retval=0
+else
+  ac_retval=1
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f conftest.val
+
+  fi
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  as_fn_set_status $ac_retval
+
+} # ac_fn_c_compute_int
 cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.

-It was created by readline $as_me 7.0, which was
+It was created by readline $as_me 8.0, which was
 generated by GNU Autoconf 2.69.  Invocation command line was

  $ $0 $@
@@ -2289,7 +2477,7 @@ ac_configure="$SHELL $ac_aux_dir/configure"  # Please don't use this var.
 ac_config_headers="$ac_config_headers config.h"


-LIBVERSION=7.0
+LIBVERSION=8.0

 # Make sure we can run config.sub.
 $SHELL "$ac_aux_dir/config.sub" sun4 >/dev/null 2>&1 ||
@@ -2380,6 +2568,7 @@ fi
 opt_multibyte=yes
 opt_static_libs=yes
 opt_shared_libs=no
+opt_install_examples=no

 # Check whether --enable-multibyte was given.
 if test "${enable_multibyte+set}" = set; then :
@@ -2391,6 +2580,11 @@ if test "${enable_static+set}" = set; then :
  enableval=$enable_static; opt_static_libs=$enableval
 fi

+# Check whether --enable-install-examples was given.
+if test "${enable_install_examples+set}" = set; then :
+  enableval=$enable_install_examples; opt_install_examples=$enableval
+fi
+

 if test $opt_multibyte = no; then
 $as_echo "#define NO_MULTIBYTE_SUPPORT 1" >>confdefs.h
@@ -4586,7 +4780,7 @@ _ACEOF
 fi
 done

-for ac_func in memmove pselect putenv select setenv setlocale \
+for ac_func in fnmatch memmove pselect putenv select setenv setlocale \
 		strcasecmp strpbrk tcgetattr vsnprintf
 do :
  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
@@ -5125,7 +5319,7 @@ else

 typedef RETSIGTYPE sigfunc();

-int nsigint;
+volatile int nsigint;

 #ifdef HAVE_POSIX_SIGNALS
 sigfunc *
@@ -6056,6 +6250,45 @@ fi
 $as_echo "$ac_cv_lib_ncurses_tgetent" >&6; }
 if test "x$ac_cv_lib_ncurses_tgetent" = xyes; then :
  bash_cv_termcap_lib=libncurses
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for tgetent in -lncursesw" >&5
+$as_echo_n "checking for tgetent in -lncursesw... " >&6; }
+if ${ac_cv_lib_ncursesw_tgetent+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lncursesw  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char tgetent ();
+int
+main ()
+{
+return tgetent ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_ncursesw_tgetent=yes
+else
+  ac_cv_lib_ncursesw_tgetent=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_ncursesw_tgetent" >&5
+$as_echo "$ac_cv_lib_ncursesw_tgetent" >&6; }
+if test "x$ac_cv_lib_ncursesw_tgetent" = xyes; then :
+  bash_cv_termcap_lib=libncursesw
 else
  bash_cv_termcap_lib=gnutermcap
 fi
@@ -6070,6 +6303,8 @@ fi

 fi

+fi
+
 if test "X$_bash_needmsg" = "Xyes"; then
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking which library has the termcap functions" >&5
 $as_echo_n "checking which library has the termcap functions... " >&6; }
@@ -6120,6 +6355,14 @@ done

 fi

+case "$TERMCAP_LIB" in
+-ltinfo)  TERMCAP_PKG_CONFIG_LIB=tinfo ;;
+-lcurses) TERMCAP_PKG_CONFIG_LIB=ncurses ;;
+-lncurses) TERMCAP_PKG_CONFIG_LIB=ncurses ;;
+-ltermcap) TERMCAP_PKG_CONFIG_LIB=termcap ;;
+*) TERMCAP_PKG_CONFIG_LIB=termcap ;;
+esac
+

 for ac_header in wctype.h
 do :
@@ -6517,6 +6760,40 @@ done
 	LIBS="$OLDLIBS"
 fi

+# The cast to long int works around a bug in the HP C Compiler
+# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
+# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
+# This bug is HP SR number 8606223364.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of wchar_t" >&5
+$as_echo_n "checking size of wchar_t... " >&6; }
+if ${ac_cv_sizeof_wchar_t+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (wchar_t))" "ac_cv_sizeof_wchar_t"        "$ac_includes_default"; then :
+
+else
+  if test "$ac_cv_type_wchar_t" = yes; then
+     { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error 77 "cannot compute sizeof (wchar_t)
+See \`config.log' for more details" "$LINENO" 5; }
+   else
+     ac_cv_sizeof_wchar_t=0
+   fi
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_wchar_t" >&5
+$as_echo "$ac_cv_sizeof_wchar_t" >&6; }
+
+
+
+cat >>confdefs.h <<_ACEOF
+#define SIZEOF_WCHAR_T $ac_cv_sizeof_wchar_t
+_ACEOF
+
+
+


 case "$host_cpu" in
@@ -6589,6 +6866,11 @@ fi



+if test "$opt_install_examples" = "yes"; then
+	EXAMPLES_INSTALL_TARGET=install-examples
+fi
+
+
 case "$build_os" in
 msdosdjgpp*)	BUILD_DIR=`pwd.exe` ;;	# to prevent //d/path/file
 *)		BUILD_DIR=`pwd` ;;
@@ -6616,6 +6898,7 @@ esac



+
 ac_config_files="$ac_config_files Makefile doc/Makefile examples/Makefile shlib/Makefile readline.pc"

 ac_config_commands="$ac_config_commands default"
@@ -7126,7 +7409,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by readline $as_me 7.0, which was
+This file was extended by readline $as_me 8.0, which was
 generated by GNU Autoconf 2.69.  Invocation command line was

  CONFIG_FILES    = $CONFIG_FILES
@@ -7192,7 +7475,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-readline config.status 7.0
+readline config.status 8.0
 configured by $0, generated by GNU Autoconf 2.69,
  with options \\"\$ac_cs_config\\"