Merge branch 'master' into select

1 files changed, 213 insertions, 188 deletions

diff --git a/configure b/configure
index 62f0413d..0e36a66d 100755
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for GNU Awk 4.1.0.
+# Generated by GNU Autoconf 2.69 for GNU Awk 4.1.60.
 #
 # Report bugs to <bug-gawk@gnu.org>.
 #
@@ -580,8 +580,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='GNU Awk'
 PACKAGE_TARNAME='gawk'
-PACKAGE_VERSION='4.1.0'
-PACKAGE_STRING='GNU Awk 4.1.0'
+PACKAGE_VERSION='4.1.60'
+PACKAGE_STRING='GNU Awk 4.1.60'
 PACKAGE_BUGREPORT='bug-gawk@gnu.org'
 PACKAGE_URL='http://www.gnu.org/software/gawk/'
 
@@ -647,14 +647,6 @@ INTLLIBS
 LTLIBICONV
 LIBICONV
 INTL_MACOSX_LIBS
-host_os
-host_vendor
-host_cpu
-host
-build_os
-build_vendor
-build_cpu
-build
 XGETTEXT_EXTRA_OPTIONS
 MSGMERGE
 XGETTEXT_015
@@ -690,6 +682,14 @@ CPPFLAGS
 LDFLAGS
 CFLAGS
 CC
+host_os
+host_vendor
+host_cpu
+host
+build_os
+build_vendor
+build_cpu
+build
 AM_BACKSLASH
 AM_DEFAULT_VERBOSITY
 AM_DEFAULT_V
@@ -769,6 +769,7 @@ enable_rpath
 with_libiconv_prefix
 with_libintl_prefix
 with_libsigsegv_prefix
+enable_extensions
 with_readline
 with_mpfr
 '
@@ -1323,7 +1324,7 @@ 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 GNU Awk 4.1.0 to adapt to many kinds of systems.
+\`configure' configures GNU Awk 4.1.60 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1393,7 +1394,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of GNU Awk 4.1.0:";;
+     short | recursive ) echo "Configuration of GNU Awk 4.1.60:";;
    esac
   cat <<\_ACEOF
 
@@ -1411,6 +1412,7 @@ Optional Features:
   --disable-largefile     omit support for large files
   --disable-nls           do not use Native Language Support
   --disable-rpath         do not hardcode runtime library paths
+  --disable-extensions    disable dynamic extensions (default is detect)
 
 Optional Packages:
   --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
@@ -1510,7 +1512,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-GNU Awk configure 4.1.0
+GNU Awk configure 4.1.60
 generated by GNU Autoconf 2.69
 
 Copyright (C) 2012 Free Software Foundation, Inc.
@@ -2219,7 +2221,7 @@ 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 GNU Awk $as_me 4.1.0, which was
+It was created by GNU Awk $as_me 4.1.60, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   $ $0 $@
@@ -3102,7 +3104,7 @@ fi
 
 # Define the identity of the package.
  PACKAGE='gawk'
- VERSION='4.1.0'
+ VERSION='4.1.60'
 
 
 cat >>confdefs.h <<_ACEOF
@@ -3142,6 +3144,10 @@ mkdir_p='$(MKDIR_P)'
 # in the wild :-(  We should find a proper way to deprecate it ...
 AMTAR='$${TAR-tar}'
 
+
+# We'll loop over all known methods to create a tar archive until one works.
+_am_tools='gnutar  pax cpio none'
+
 am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'
 
 
@@ -3152,6 +3158,7 @@ am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -'
 
 
 
+
 # Check whether --with-whiny-user-strftime was given.
 if test "${with_whiny_user_strftime+set}" = set; then :
   withval=$with_whiny_user_strftime; if test "$withval" = yes
@@ -3175,6 +3182,77 @@ $as_echo "#define NO_LINT 1" >>confdefs.h
 fi
 
 
+# Make sure we can run config.sub.
+$SHELL "$ac_aux_dir/config.sub" sun4 >/dev/null 2>&1 ||
+  as_fn_error $? "cannot run $SHELL $ac_aux_dir/config.sub" "$LINENO" 5
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking build system type" >&5
+$as_echo_n "checking build system type... " >&6; }
+if ${ac_cv_build+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_build_alias=$build_alias
+test "x$ac_build_alias" = x &&
+  ac_build_alias=`$SHELL "$ac_aux_dir/config.guess"`
+test "x$ac_build_alias" = x &&
+  as_fn_error $? "cannot guess build type; you must specify one" "$LINENO" 5
+ac_cv_build=`$SHELL "$ac_aux_dir/config.sub" $ac_build_alias` ||
+  as_fn_error $? "$SHELL $ac_aux_dir/config.sub $ac_build_alias failed" "$LINENO" 5
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build" >&5
+$as_echo "$ac_cv_build" >&6; }
+case $ac_cv_build in
+*-*-*) ;;
+*) as_fn_error $? "invalid value of canonical build" "$LINENO" 5;;
+esac
+build=$ac_cv_build
+ac_save_IFS=$IFS; IFS='-'
+set x $ac_cv_build
+shift
+build_cpu=$1
+build_vendor=$2
+shift; shift
+# Remember, the first character of IFS is used to create $*,
+# except with old shells:
+build_os=$*
+IFS=$ac_save_IFS
+case $build_os in *\ *) build_os=`echo "$build_os" | sed 's/ /-/g'`;; esac
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking host system type" >&5
+$as_echo_n "checking host system type... " >&6; }
+if ${ac_cv_host+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test "x$host_alias" = x; then
+  ac_cv_host=$ac_cv_build
+else
+  ac_cv_host=`$SHELL "$ac_aux_dir/config.sub" $host_alias` ||
+    as_fn_error $? "$SHELL $ac_aux_dir/config.sub $host_alias failed" "$LINENO" 5
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_host" >&5
+$as_echo "$ac_cv_host" >&6; }
+case $ac_cv_host in
+*-*-*) ;;
+*) as_fn_error $? "invalid value of canonical host" "$LINENO" 5;;
+esac
+host=$ac_cv_host
+ac_save_IFS=$IFS; IFS='-'
+set x $ac_cv_host
+shift
+host_cpu=$1
+host_vendor=$2
+shift; shift
+# Remember, the first character of IFS is used to create $*,
+# except with old shells:
+host_os=$*
+IFS=$ac_save_IFS
+case $host_os in *\ *) host_os=`echo "$host_os" | sed 's/ /-/g'`;; esac
+
+
 DEPDIR="${am__leading_dot}deps"
 
 ac_config_commands="$ac_config_commands depfiles"
@@ -5921,8 +5999,8 @@ then
 	CFLAGS="$CFLAGS -D_SYSV3"
 fi
 
-case `uname` in
-MirBSD | MirOS)
+case $host_os in
+mirbsd*)
 
 $as_echo "#define LIBC_IS_BORKED 1" >>confdefs.h
 
@@ -6252,77 +6330,6 @@ fi
   eval acl_final_exec_prefix=\"$acl_final_exec_prefix\"
   prefix="$acl_save_prefix"
 
-# Make sure we can run config.sub.
-$SHELL "$ac_aux_dir/config.sub" sun4 >/dev/null 2>&1 ||
-  as_fn_error $? "cannot run $SHELL $ac_aux_dir/config.sub" "$LINENO" 5
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking build system type" >&5
-$as_echo_n "checking build system type... " >&6; }
-if ${ac_cv_build+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  ac_build_alias=$build_alias
-test "x$ac_build_alias" = x &&
-  ac_build_alias=`$SHELL "$ac_aux_dir/config.guess"`
-test "x$ac_build_alias" = x &&
-  as_fn_error $? "cannot guess build type; you must specify one" "$LINENO" 5
-ac_cv_build=`$SHELL "$ac_aux_dir/config.sub" $ac_build_alias` ||
-  as_fn_error $? "$SHELL $ac_aux_dir/config.sub $ac_build_alias failed" "$LINENO" 5
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build" >&5
-$as_echo "$ac_cv_build" >&6; }
-case $ac_cv_build in
-*-*-*) ;;
-*) as_fn_error $? "invalid value of canonical build" "$LINENO" 5;;
-esac
-build=$ac_cv_build
-ac_save_IFS=$IFS; IFS='-'
-set x $ac_cv_build
-shift
-build_cpu=$1
-build_vendor=$2
-shift; shift
-# Remember, the first character of IFS is used to create $*,
-# except with old shells:
-build_os=$*
-IFS=$ac_save_IFS
-case $build_os in *\ *) build_os=`echo "$build_os" | sed 's/ /-/g'`;; esac
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking host system type" >&5
-$as_echo_n "checking host system type... " >&6; }
-if ${ac_cv_host+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test "x$host_alias" = x; then
-  ac_cv_host=$ac_cv_build
-else
-  ac_cv_host=`$SHELL "$ac_aux_dir/config.sub" $host_alias` ||
-    as_fn_error $? "$SHELL $ac_aux_dir/config.sub $host_alias failed" "$LINENO" 5
-fi
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_host" >&5
-$as_echo "$ac_cv_host" >&6; }
-case $ac_cv_host in
-*-*-*) ;;
-*) as_fn_error $? "invalid value of canonical host" "$LINENO" 5;;
-esac
-host=$ac_cv_host
-ac_save_IFS=$IFS; IFS='-'
-set x $ac_cv_host
-shift
-host_cpu=$1
-host_vendor=$2
-shift; shift
-# Remember, the first character of IFS is used to create $*,
-# except with old shells:
-host_os=$*
-IFS=$ac_save_IFS
-case $host_os in *\ *) host_os=`echo "$host_os" | sed 's/ /-/g'`;; esac
-
-
 
 # Check whether --with-gnu-ld was given.
 if test "${with_gnu_ld+set}" = set; then :
@@ -8095,6 +8102,22 @@ $as_echo "#define HAVE_LC_MESSAGES 1" >>confdefs.h
   fi
 
 
+for ac_header in arpa/inet.h fcntl.h limits.h locale.h libintl.h mcheck.h \
+	netdb.h netinet/in.h stdarg.h stddef.h string.h \
+	sys/ioctl.h sys/param.h sys/socket.h sys/time.h unistd.h \
+	termios.h stropts.h wchar.h wctype.h
+do :
+  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
+ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
+if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+
+done
+
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5
 $as_echo_n "checking for ANSI C header files... " >&6; }
 if ${ac_cv_header_stdc+:} false; then :
@@ -8376,22 +8399,6 @@ $as_echo "#define TIME_WITH_SYS_TIME 1" >>confdefs.h
 
 fi
 
-for ac_header in arpa/inet.h fcntl.h limits.h locale.h libintl.h mcheck.h \
-	netdb.h netinet/in.h stdarg.h stddef.h string.h \
-	sys/ioctl.h sys/param.h sys/socket.h sys/time.h unistd.h \
-	termios.h stropts.h wchar.h wctype.h
-do :
-  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
-ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
-if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
-  cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
-_ACEOF
-
-fi
-
-done
-
 
 if test "$ac_cv_header_string_h" = yes
 then
@@ -8980,25 +8987,6 @@ fi
 
 
 
-for ac_func in vprintf
-do :
-  ac_fn_c_check_func "$LINENO" "vprintf" "ac_cv_func_vprintf"
-if test "x$ac_cv_func_vprintf" = xyes; then :
-  cat >>confdefs.h <<_ACEOF
-#define HAVE_VPRINTF 1
-_ACEOF
-
-ac_fn_c_check_func "$LINENO" "_doprnt" "ac_cv_func__doprnt"
-if test "x$ac_cv_func__doprnt" = xyes; then :
-
-$as_echo "#define HAVE_DOPRNT 1" >>confdefs.h
-
-fi
-
-fi
-done
-
-
 
 
 
@@ -9455,8 +9443,8 @@ _ACEOF
 
 fi
 
-case `uname` in
-OSF1)	: ;;
+case $host_os in
+osf1)	: ;;
 *)
 
 
@@ -10072,17 +10060,29 @@ $as_echo "#define HAVE_MBRTOWC 1" >>confdefs.h
   fi
 
 
-case `uname` in
-MirBSD | MirOS)
-	: ;;
-*)
-ac_fn_c_check_header_mongrel "$LINENO" "dlfcn.h" "ac_cv_header_dlfcn_h" "$ac_includes_default"
+# Check whether --enable-extensions was given.
+if test "${enable_extensions+set}" = set; then :
+  enableval=$enable_extensions;
+fi
+
+if test "x$enable_extensions" != "xno"; then
+	extensions_supported=no
+
+		case $host_os in
+	mirbsd* | openedition*)	# OS/390 z/OS POSIX layer
+		cat << \EOF > extension/Makefile
+all dist check clean distclean install uninstall distcheck:
+	@exit 0
+EOF
+		;;
+	*)
+	ac_fn_c_check_header_mongrel "$LINENO" "dlfcn.h" "ac_cv_header_dlfcn_h" "$ac_includes_default"
 if test "x$ac_cv_header_dlfcn_h" = xyes; then :
 
-	# Check this separately. Some systems have dlopen
-	# in libc. Notably freebsd and cygwin.
-	# HP-NSK has it in zrldsrl
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing dlopen" >&5
+		# Check this separately. Some systems have dlopen
+		# in libc. Notably freebsd and cygwin.
+		# HP-NSK has it in zrldsrl
+		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing dlopen" >&5
 $as_echo_n "checking for library containing dlopen... " >&6; }
 if ${ac_cv_search_dlopen+:} false; then :
   $as_echo_n "(cached) " >&6
@@ -10140,29 +10140,38 @@ else
   gawk_have_dlopen=no
 fi
 
-	# Only do DYNAMIC if we have the lib. z/OS (some versions) have
-	# the header but not the lib, apparently
-	if test "$gawk_have_dlopen" = yes
-	then
+		# Only do DYNAMIC if we have the lib. z/OS (some versions) have
+		# the header but not the lib, apparently
+		if test "$gawk_have_dlopen" = yes
+		then
+			extensions_supported=yes
 
 $as_echo "#define DYNAMIC 1" >>confdefs.h
 
-		# Add -export-dynamic for old extensions. Only works for GCC
-		if test "$GCC" = yes &&
-		   uname | $EGREP -i 'linux|freebsd' > /dev/null
-		then
-			LDFLAGS="$LDFLAGS -export-dynamic"
+			# Add -export-dynamic for old extensions. Only works for GCC
+			if test "$GCC" = yes; then
+				case $host_os in
+				linux*|freebsd*)
+					LDFLAGS="$LDFLAGS -export-dynamic"
+					;;
+				esac
+			fi
 		fi
-	fi
 
 fi
 
 
-	;;
-esac
+		;;
+	esac
 
-case `(uname) 2> /dev/null` in
-*VMS*|*BeOS*|*OS/2*|*MS-DOS*)
+	if test "x$enable_extensions$extensions_supported" = "xyesno"; then
+		as_fn_error $? "extension support requested, but unavailable" "$LINENO" 5
+	fi
+	enable_extensions=$extensions_supported
+fi
+
+case $host_os in
+vms*|beos*|os2*|msdos)
 
 $as_echo "#define GETPGRP_VOID 1" >>confdefs.h
 
@@ -10438,7 +10447,8 @@ int main(int argc, char **argv)
 	dup(fd);
 	line = readline("giveittome> ");
 
-	printf("got <%s>\n", line);
+	/* some printfs don't handle NULL for %s */
+	printf("got <%s>\n", line ? line : "(NULL)");
 	return 0;
 }
 _ACEOF
@@ -10458,11 +10468,59 @@ $as_echo "$_found_readline" >&6; }
         LIBS=$_readline_save_libs
 
         if test $_found_readline = yes ; then
+	   case $host_os in
+	   *bsd* )	_combo="$_combo -ltermcap"
+	  	 ;;
+	   esac
 
 $as_echo "#define HAVE_LIBREADLINE 1" >>confdefs.h
 
            LIBREADLINE=$_combo
 
+
+	   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for history_list in -lreadline" >&5
+$as_echo_n "checking for history_list in -lreadline... " >&6; }
+if ${ac_cv_lib_readline_history_list+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lreadline $_combo $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$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 history_list ();
+int
+main ()
+{
+return history_list ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_readline_history_list=yes
+else
+  ac_cv_lib_readline_history_list=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_readline_history_list" >&5
+$as_echo "$ac_cv_lib_readline_history_list" >&6; }
+if test "x$ac_cv_lib_readline_history_list" = xyes; then :
+
+$as_echo "#define HAVE_HISTORY_LIST 1" >>confdefs.h
+
+fi
+
+
            break
         fi
      done
@@ -10559,41 +10617,6 @@ _ACEOF
 
 fi
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether time.h and sys/time.h may both be included" >&5
-$as_echo_n "checking whether time.h and sys/time.h may both be included... " >&6; }
-if ${ac_cv_header_time+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#include <sys/types.h>
-#include <sys/time.h>
-#include <time.h>
-
-int
-main ()
-{
-if ((struct tm *) 0)
-return 0;
-  ;
-  return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  ac_cv_header_time=yes
-else
-  ac_cv_header_time=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_time" >&5
-$as_echo "$ac_cv_header_time" >&6; }
-if test $ac_cv_header_time = yes; then
-
-$as_echo "#define TIME_WITH_SYS_TIME 1" >>confdefs.h
-
-fi
-
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether struct tm is in sys/time.h or time.h" >&5
 $as_echo_n "checking whether struct tm is in sys/time.h or time.h... " >&6; }
 if ${ac_cv_struct_tm+:} false; then :
@@ -10940,10 +10963,12 @@ esac
 
 ac_config_files="$ac_config_files Makefile awklib/Makefile doc/Makefile po/Makefile.in test/Makefile"
 
+if test "x$enable_extensions" = "xyes"; then
 
 
 subdirs="$subdirs extension"
 
+fi
 cat >confcache <<\_ACEOF
 # This file is a shell script that caches the results of configure
 # tests run on this system so they can be shared between configure
@@ -11482,7 +11507,7 @@ 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 GNU Awk $as_me 4.1.0, which was
+This file was extended by GNU Awk $as_me 4.1.60, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -11550,7 +11575,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-GNU Awk config.status 4.1.0
+GNU Awk config.status 4.1.60
 configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 
@@ -12341,7 +12366,7 @@ $as_echo X"$mf" |
     DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
     test -z "$DEPDIR" && continue
     am__include=`sed -n 's/^am__include = //p' < "$mf"`
-    test -z "am__include" && continue
+    test -z "$am__include" && continue
     am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
     # Find all dependency output files, they are included files with
     # $(DEPDIR) in their names.  We invoke sed twice because it is the