Update gnulib files.

diff --git a/build-aux/gendocs.sh b/build-aux/gendocs.sh
old mode 100755 (executable)
new mode 100644 (file)
index a1ed4b4..992d9fc
--- a/build-aux/gendocs.sh
+++ b/build-aux/gendocs.sh
@@ -2,15 +2,15 @@
 # gendocs.sh -- generate a GNU manual in many formats.  This script is
 #   mentioned in maintain.texi.  See the help message below for usage details.
 
-scriptversion=2009-04-08.09
+scriptversion=2009-09-09.22
 
 # Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009
 # Free Software Foundation, Inc.
 #
-# This program is free software; you can redistribute it and/or modify
+# This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3 of the License,
-# or (at your option) any later version.
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of

diff --git a/gl/m4/getaddrinfo.m4 b/gl/m4/getaddrinfo.m4
index 4088671987ade01fe1e50ca0e21dd269c6856306..3dfc17d536a6b7b1cbb3c18cfce3b9b3f9cd977b 100644 (file)
--- a/gl/m4/getaddrinfo.m4
+++ b/gl/m4/getaddrinfo.m4
@@ -1,4 +1,4 @@
-# getaddrinfo.m4 serial 20
+# getaddrinfo.m4 serial 21
 dnl Copyright (C) 2004-2009 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -25,7 +25,7 @@ AC_DEFUN([gl_GETADDRINFO],
   LIBS="$gai_saved_LIBS $GETADDRINFO_LIB"
 
   AC_CACHE_CHECK([for getaddrinfo], [gl_cv_func_getaddrinfo], [
-    AC_TRY_LINK([
+    AC_LINK_IFELSE([AC_LANG_PROGRAM([[
 #include <sys/types.h>
 #ifdef HAVE_SYS_SOCKET_H
 #include <sys/socket.h>
@@ -34,7 +34,7 @@ AC_DEFUN([gl_GETADDRINFO],
 #include <netdb.h>
 #endif
 #include <stddef.h>
-], [getaddrinfo("", "", NULL, NULL);],
+]], [[getaddrinfo("", "", NULL, NULL);]])],
       [gl_cv_func_getaddrinfo=yes],
       [gl_cv_func_getaddrinfo=no])])
   if test $gl_cv_func_getaddrinfo = no; then
@@ -43,12 +43,12 @@ AC_DEFUN([gl_GETADDRINFO],
       gl_cv_w32_getaddrinfo=no
       am_save_LIBS="$LIBS"
       LIBS="$LIBS -lws2_32"
-      AC_TRY_LINK([
+      AC_LINK_IFELSE([AC_LANG_PROGRAM([[
 #ifdef HAVE_WS2TCPIP_H
 #include <ws2tcpip.h>
 #endif
 #include <stddef.h>
-], [getaddrinfo(NULL, NULL, NULL, NULL);], gl_cv_w32_getaddrinfo=yes)
+]], [[getaddrinfo(NULL, NULL, NULL, NULL);]])], [gl_cv_w32_getaddrinfo=yes])
       LIBS="$am_save_LIBS"
     ])
     if test "$gl_cv_w32_getaddrinfo" = "yes"; then
@@ -64,7 +64,7 @@ AC_DEFUN([gl_GETADDRINFO],
   # header included somehow.
   AC_CACHE_CHECK([for gai_strerror (possibly via ws2tcpip.h)],
     gl_cv_func_gai_strerror, [
-      AC_TRY_LINK([
+      AC_LINK_IFELSE([AC_LANG_PROGRAM([[
 #include <sys/types.h>
 #ifdef HAVE_SYS_SOCKET_H
 #include <sys/socket.h>
@@ -76,7 +76,7 @@ AC_DEFUN([gl_GETADDRINFO],
 #include <ws2tcpip.h>
 #endif
 #include <stddef.h>
-], [gai_strerror (NULL);],
+]], [[gai_strerror (NULL);]])],
         [gl_cv_func_gai_strerror=yes],
         [gl_cv_func_gai_strerror=no])])
   if test $gl_cv_func_gai_strerror = no; then

diff --git a/gl/m4/getline.m4 b/gl/m4/getline.m4
index 99933455f094b07d37d675e109de3b6483537f91..4897bc36908ef76796686859faaa89659752b786 100644 (file)
--- a/gl/m4/getline.m4
+++ b/gl/m4/getline.m4
@@ -1,4 +1,4 @@
-# getline.m4 serial 19
+# getline.m4 serial 20
 
 dnl Copyright (C) 1998-2003, 2005-2007, 2009 Free Software Foundation, Inc.
 dnl
@@ -29,7 +29,7 @@ AC_DEFUN([gl_FUNC_GETLINE],
   if test $gl_getline_needs_run_time_check = yes; then
     AC_CACHE_CHECK([for working getline function], [am_cv_func_working_getline],
     [echo fooN |tr -d '\012'|tr N '\012' > conftest.data
-    AC_TRY_RUN([
+    AC_RUN_IFELSE([AC_LANG_SOURCE([[
 #    include <stdio.h>
 #    include <stdlib.h>
 #    include <string.h>
@@ -44,8 +44,8 @@ AC_DEFUN([gl_FUNC_GETLINE],
       len = getline (&line, &siz, in);
       exit ((len == 4 && line && strcmp (line, "foo\n") == 0) ? 0 : 1);
     }
-    ], am_cv_func_working_getline=yes dnl The library version works.
-    , am_cv_func_working_getline=no dnl The library version does NOT work.
+    ]])], [am_cv_func_working_getline=yes] dnl The library version works.
+    , [am_cv_func_working_getline=no] dnl The library version does NOT work.
     , dnl We're cross compiling. Assume it works on glibc2 systems.
       [AC_EGREP_CPP([Lucky GNU user],
          [

diff --git a/gl/m4/readline.m4 b/gl/m4/readline.m4
index 60b0aa8fb0a5116af2233cf7535474eeb4436b8c..eb44b0ad0306e1e35b7d8e29694a4e5dd7fc1dbb 100644 (file)
--- a/gl/m4/readline.m4
+++ b/gl/m4/readline.m4
@@ -1,4 +1,4 @@
-# readline.m4 serial 6
+# readline.m4 serial 7
 dnl Copyright (C) 2005, 2006, 2009 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -19,7 +19,7 @@ AC_DEFUN([gl_FUNC_READLINE],
 
   dnl Add $INCREADLINE to CPPFLAGS before performing the following checks,
   dnl because if the user has installed libreadline and not disabled its use
-  dnl via --without-libreadline-prefix, he wants to use it. The AC_TRY_LINK
+  dnl via --without-libreadline-prefix, he wants to use it. The AC_LINK_IFELSE
   dnl will then succeed.
   am_save_CPPFLAGS="$CPPFLAGS"
   AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCREADLINE])
@@ -37,9 +37,9 @@ AC_DEFUN([gl_FUNC_READLINE],
       if test -n "$extra_lib"; then
         LIBS="$LIBS -l$extra_lib"
       fi
-      AC_TRY_LINK([#include <stdio.h>
-#include <readline/readline.h>],
-        [readline((char*)0);],
+      AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>
+#include <readline/readline.h>]],
+          [[readline((char*)0);]])],
         [gl_cv_lib_readline=" -l$extra_lib"])
       if test "$gl_cv_lib_readline" != no; then
        break

diff --git a/gl/m4/select.m4 b/gl/m4/select.m4
index 5397df02f3c8d001c0809de655cfb58235bc8e29..53cc059656cc424eb745c455c61e8d04eb473d3b 100644 (file)
--- a/gl/m4/select.m4
+++ b/gl/m4/select.m4
@@ -1,4 +1,4 @@
-# select.m4 serial 1
+# select.m4 serial 2
 dnl Copyright (C) 2009 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -17,7 +17,7 @@ AC_DEFUN([gl_FUNC_SELECT],
     AC_CACHE_CHECK([whether select supports a 0 argument],
       [gl_cv_func_select_supports0],
       [
-        AC_TRY_RUN([
+        AC_RUN_IFELSE([AC_LANG_SOURCE([[
 #include <sys/types.h>
 #include <sys/time.h>
 #if HAVE_SYS_SELECT_H
@@ -29,7 +29,7 @@ int main ()
   timeout.tv_sec = 0;
   timeout.tv_usec = 5;
   return select (0, (fd_set *)0, (fd_set *)0, (fd_set *)0, &timeout) < 0;
-}], [gl_cv_func_select_supports0=yes], [gl_cv_func_select_supports0=no],
+}]])], [gl_cv_func_select_supports0=yes], [gl_cv_func_select_supports0=no],
           [
 changequote(,)dnl
            case "$host_os" in

diff --git a/gl/m4/sockets.m4 b/gl/m4/sockets.m4
index db71bf14a0a674058bc85b12c2aa23c14286fb94..3edc010610314e8a89c80747470ed0ce1b61e2d5 100644 (file)
--- a/gl/m4/sockets.m4
+++ b/gl/m4/sockets.m4
@@ -1,4 +1,4 @@
-# sockets.m4 serial 5
+# sockets.m4 serial 6
 dnl Copyright (C) 2008, 2009 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -16,14 +16,14 @@ AC_DEFUN([gl_SOCKETS],
                    [gl_cv_func_wsastartup], [
       gl_save_LIBS="$LIBS"
       LIBS="$LIBS -lws2_32"
-      AC_TRY_LINK([
+      AC_LINK_IFELSE([AC_LANG_PROGRAM([[
 #ifdef HAVE_WINSOCK2_H
 # include <winsock2.h>
-#endif], [
-        WORD wVersionRequested = MAKEWORD(1, 1);
-        WSADATA wsaData;
-        int err = WSAStartup(wVersionRequested, &wsaData);
-        WSACleanup ();],
+#endif]], [[
+          WORD wVersionRequested = MAKEWORD(1, 1);
+          WSADATA wsaData;
+          int err = WSAStartup(wVersionRequested, &wsaData);
+          WSACleanup ();]])],
         gl_cv_func_wsastartup=yes, gl_cv_func_wsastartup=no)
       LIBS="$gl_save_LIBS"
     ])
@@ -38,35 +38,35 @@ AC_DEFUN([gl_SOCKETS],
     dnl BeOS has most socket functions in libnet.
     AC_CACHE_CHECK([for library containing setsockopt], [gl_cv_lib_socket], [
       gl_cv_lib_socket=
-      AC_TRY_LINK([extern
+      AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern
 #ifdef __cplusplus
 "C"
 #endif
-char setsockopt();], [setsockopt();],
+char setsockopt();]], [[setsockopt();]])],
         [],
         [gl_save_LIBS="$LIBS"
          LIBS="$gl_save_LIBS -lsocket"
-         AC_TRY_LINK([extern
+         AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern
 #ifdef __cplusplus
 "C"
 #endif
-char setsockopt();], [setsockopt();],
+char setsockopt();]], [[setsockopt();]])],
            [gl_cv_lib_socket="-lsocket"])
          if test -z "$gl_cv_lib_socket"; then
            LIBS="$gl_save_LIBS -lnetwork"
-           AC_TRY_LINK([extern
+           AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern
 #ifdef __cplusplus
 "C"
 #endif
-char setsockopt();], [setsockopt();],
+char setsockopt();]], [[setsockopt();]])],
              [gl_cv_lib_socket="-lnetwork"])
            if test -z "$gl_cv_lib_socket"; then
              LIBS="$gl_save_LIBS -lnet"
-             AC_TRY_LINK([extern
+             AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern
 #ifdef __cplusplus
 "C"
 #endif
-char setsockopt();], [setsockopt();],
+char setsockopt();]], [[setsockopt();]])],
                [gl_cv_lib_socket="-lnet"])
            fi
          fi

diff --git a/gl/m4/socklen.m4 b/gl/m4/socklen.m4
index b755757be43c91d0b48c6e0027c829466e6c6a34..80ed5135fd3e9dceab8dfea491bf88166736c6b6 100644 (file)
--- a/gl/m4/socklen.m4
+++ b/gl/m4/socklen.m4
@@ -1,5 +1,5 @@
-# socklen.m4 serial 6
-dnl Copyright (C) 2005, 2006, 2007 Free Software Foundation, Inc.
+# socklen.m4 serial 7
+dnl Copyright (C) 2005, 2006, 2007, 2009 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
@@ -25,13 +25,13 @@ AC_DEFUN([gl_TYPE_SOCKLEN_T],
         gl_cv_socklen_t_equiv=
         for arg2 in "struct sockaddr" void; do
           for t in int size_t "unsigned int" "long int" "unsigned long int"; do
-            AC_TRY_COMPILE(
-              [#include <sys/types.h>
-               #include <sys/socket.h>
+            AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
+                 [[#include <sys/types.h>
+                   #include <sys/socket.h>
 
-               int getpeername (int, $arg2 *, $t *);],
-              [$t len;
-               getpeername (0, 0, &len);],
+                   int getpeername (int, $arg2 *, $t *);]],
+                 [[$t len;
+                  getpeername (0, 0, &len);]])],
               [gl_cv_socklen_t_equiv="$t"])
             test "$gl_cv_socklen_t_equiv" != "" && break
           done

diff --git a/gl/m4/sockpfaf.m4 b/gl/m4/sockpfaf.m4
index 99ea06f96f83fb77d40f5d1db4048d12dfb4ff37..bbdfabc919f88659c3376d0ce70cc2748ad7bfa4 100644 (file)
--- a/gl/m4/sockpfaf.m4
+++ b/gl/m4/sockpfaf.m4
@@ -1,4 +1,4 @@
-# sockpfaf.m4 serial 6
+# sockpfaf.m4 serial 7
 dnl Copyright (C) 2004, 2006, 2009 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -18,7 +18,7 @@ AC_DEFUN([gl_SOCKET_FAMILIES],
 
   AC_MSG_CHECKING([for IPv4 sockets])
   AC_CACHE_VAL([gl_cv_socket_ipv4],
-    [AC_TRY_COMPILE([#include <sys/types.h>
+    [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
 #ifdef HAVE_SYS_SOCKET_H
 #include <sys/socket.h>
 #endif
@@ -27,9 +27,9 @@ AC_DEFUN([gl_SOCKET_FAMILIES],
 #endif
 #ifdef HAVE_WINSOCK2_H
 #include <winsock2.h>
-#endif],
-[int x = AF_INET; struct in_addr y; struct sockaddr_in z;
- if (&x && &y && &z) return 0;],
+#endif]],
+[[int x = AF_INET; struct in_addr y; struct sockaddr_in z;
+ if (&x && &y && &z) return 0;]])],
        gl_cv_socket_ipv4=yes, gl_cv_socket_ipv4=no)])
   AC_MSG_RESULT([$gl_cv_socket_ipv4])
   if test $gl_cv_socket_ipv4 = yes; then
@@ -38,7 +38,7 @@ AC_DEFUN([gl_SOCKET_FAMILIES],
 
   AC_MSG_CHECKING([for IPv6 sockets])
   AC_CACHE_VAL([gl_cv_socket_ipv6],
-    [AC_TRY_COMPILE([#include <sys/types.h>
+    [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
 #ifdef HAVE_SYS_SOCKET_H
 #include <sys/socket.h>
 #endif
@@ -47,9 +47,9 @@ AC_DEFUN([gl_SOCKET_FAMILIES],
 #endif
 #ifdef HAVE_WINSOCK2_H
 #include <winsock2.h>
-#endif],
-[int x = AF_INET6; struct in6_addr y; struct sockaddr_in6 z;
- if (&x && &y && &z) return 0;],
+#endif]],
+[[int x = AF_INET6; struct in6_addr y; struct sockaddr_in6 z;
+ if (&x && &y && &z) return 0;]])],
        gl_cv_socket_ipv6=yes, gl_cv_socket_ipv6=no)])
   AC_MSG_RESULT([$gl_cv_socket_ipv6])
   if test $gl_cv_socket_ipv6 = yes; then

diff --git a/lib/gl/m4/sockets.m4 b/lib/gl/m4/sockets.m4
index db71bf14a0a674058bc85b12c2aa23c14286fb94..3edc010610314e8a89c80747470ed0ce1b61e2d5 100644 (file)
--- a/lib/gl/m4/sockets.m4
+++ b/lib/gl/m4/sockets.m4
@@ -1,4 +1,4 @@
-# sockets.m4 serial 5
+# sockets.m4 serial 6
 dnl Copyright (C) 2008, 2009 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -16,14 +16,14 @@ AC_DEFUN([gl_SOCKETS],
                    [gl_cv_func_wsastartup], [
       gl_save_LIBS="$LIBS"
       LIBS="$LIBS -lws2_32"
-      AC_TRY_LINK([
+      AC_LINK_IFELSE([AC_LANG_PROGRAM([[
 #ifdef HAVE_WINSOCK2_H
 # include <winsock2.h>
-#endif], [
-        WORD wVersionRequested = MAKEWORD(1, 1);
-        WSADATA wsaData;
-        int err = WSAStartup(wVersionRequested, &wsaData);
-        WSACleanup ();],
+#endif]], [[
+          WORD wVersionRequested = MAKEWORD(1, 1);
+          WSADATA wsaData;
+          int err = WSAStartup(wVersionRequested, &wsaData);
+          WSACleanup ();]])],
         gl_cv_func_wsastartup=yes, gl_cv_func_wsastartup=no)
       LIBS="$gl_save_LIBS"
     ])
@@ -38,35 +38,35 @@ AC_DEFUN([gl_SOCKETS],
     dnl BeOS has most socket functions in libnet.
     AC_CACHE_CHECK([for library containing setsockopt], [gl_cv_lib_socket], [
       gl_cv_lib_socket=
-      AC_TRY_LINK([extern
+      AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern
 #ifdef __cplusplus
 "C"
 #endif
-char setsockopt();], [setsockopt();],
+char setsockopt();]], [[setsockopt();]])],
         [],
         [gl_save_LIBS="$LIBS"
          LIBS="$gl_save_LIBS -lsocket"
-         AC_TRY_LINK([extern
+         AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern
 #ifdef __cplusplus
 "C"
 #endif
-char setsockopt();], [setsockopt();],
+char setsockopt();]], [[setsockopt();]])],
            [gl_cv_lib_socket="-lsocket"])
          if test -z "$gl_cv_lib_socket"; then
            LIBS="$gl_save_LIBS -lnetwork"
-           AC_TRY_LINK([extern
+           AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern
 #ifdef __cplusplus
 "C"
 #endif
-char setsockopt();], [setsockopt();],
+char setsockopt();]], [[setsockopt();]])],
              [gl_cv_lib_socket="-lnetwork"])
            if test -z "$gl_cv_lib_socket"; then
              LIBS="$gl_save_LIBS -lnet"
-             AC_TRY_LINK([extern
+             AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern
 #ifdef __cplusplus
 "C"
 #endif
-char setsockopt();], [setsockopt();],
+char setsockopt();]], [[setsockopt();]])],
                [gl_cv_lib_socket="-lnet"])
            fi
          fi

diff --git a/lib/gl/m4/socklen.m4 b/lib/gl/m4/socklen.m4
index b755757be43c91d0b48c6e0027c829466e6c6a34..80ed5135fd3e9dceab8dfea491bf88166736c6b6 100644 (file)
--- a/lib/gl/m4/socklen.m4
+++ b/lib/gl/m4/socklen.m4
@@ -1,5 +1,5 @@
-# socklen.m4 serial 6
-dnl Copyright (C) 2005, 2006, 2007 Free Software Foundation, Inc.
+# socklen.m4 serial 7
+dnl Copyright (C) 2005, 2006, 2007, 2009 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
@@ -25,13 +25,13 @@ AC_DEFUN([gl_TYPE_SOCKLEN_T],
         gl_cv_socklen_t_equiv=
         for arg2 in "struct sockaddr" void; do
           for t in int size_t "unsigned int" "long int" "unsigned long int"; do
-            AC_TRY_COMPILE(
-              [#include <sys/types.h>
-               #include <sys/socket.h>
+            AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
+                 [[#include <sys/types.h>
+                   #include <sys/socket.h>
 
-               int getpeername (int, $arg2 *, $t *);],
-              [$t len;
-               getpeername (0, 0, &len);],
+                   int getpeername (int, $arg2 *, $t *);]],
+                 [[$t len;
+                  getpeername (0, 0, &len);]])],
               [gl_cv_socklen_t_equiv="$t"])
             test "$gl_cv_socklen_t_equiv" != "" && break
           done

diff --git a/lib/gl/m4/sockpfaf.m4 b/lib/gl/m4/sockpfaf.m4
index 99ea06f96f83fb77d40f5d1db4048d12dfb4ff37..bbdfabc919f88659c3376d0ce70cc2748ad7bfa4 100644 (file)
--- a/lib/gl/m4/sockpfaf.m4
+++ b/lib/gl/m4/sockpfaf.m4
@@ -1,4 +1,4 @@
-# sockpfaf.m4 serial 6
+# sockpfaf.m4 serial 7
 dnl Copyright (C) 2004, 2006, 2009 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -18,7 +18,7 @@ AC_DEFUN([gl_SOCKET_FAMILIES],
 
   AC_MSG_CHECKING([for IPv4 sockets])
   AC_CACHE_VAL([gl_cv_socket_ipv4],
-    [AC_TRY_COMPILE([#include <sys/types.h>
+    [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
 #ifdef HAVE_SYS_SOCKET_H
 #include <sys/socket.h>
 #endif
@@ -27,9 +27,9 @@ AC_DEFUN([gl_SOCKET_FAMILIES],
 #endif
 #ifdef HAVE_WINSOCK2_H
 #include <winsock2.h>
-#endif],
-[int x = AF_INET; struct in_addr y; struct sockaddr_in z;
- if (&x && &y && &z) return 0;],
+#endif]],
+[[int x = AF_INET; struct in_addr y; struct sockaddr_in z;
+ if (&x && &y && &z) return 0;]])],
        gl_cv_socket_ipv4=yes, gl_cv_socket_ipv4=no)])
   AC_MSG_RESULT([$gl_cv_socket_ipv4])
   if test $gl_cv_socket_ipv4 = yes; then
@@ -38,7 +38,7 @@ AC_DEFUN([gl_SOCKET_FAMILIES],
 
   AC_MSG_CHECKING([for IPv6 sockets])
   AC_CACHE_VAL([gl_cv_socket_ipv6],
-    [AC_TRY_COMPILE([#include <sys/types.h>
+    [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
 #ifdef HAVE_SYS_SOCKET_H
 #include <sys/socket.h>
 #endif
@@ -47,9 +47,9 @@ AC_DEFUN([gl_SOCKET_FAMILIES],
 #endif
 #ifdef HAVE_WINSOCK2_H
 #include <winsock2.h>
-#endif],
-[int x = AF_INET6; struct in6_addr y; struct sockaddr_in6 z;
- if (&x && &y && &z) return 0;],
+#endif]],
+[[int x = AF_INET6; struct in6_addr y; struct sockaddr_in6 z;
+ if (&x && &y && &z) return 0;]])],
        gl_cv_socket_ipv6=yes, gl_cv_socket_ipv6=no)])
   AC_MSG_RESULT([$gl_cv_socket_ipv6])
   if test $gl_cv_socket_ipv6 = yes; then

diff --git a/lib/gl/m4/time_r.m4 b/lib/gl/m4/time_r.m4
index c871b56d76f0ac97bda6736bb660dcff90db9e8f..de22db906cfe9222888378d7399471ce796f59c3 100644 (file)
--- a/lib/gl/m4/time_r.m4
+++ b/lib/gl/m4/time_r.m4
@@ -1,6 +1,6 @@
 dnl Reentrant time functions like localtime_r.
 
-dnl Copyright (C) 2003, 2006, 2007, 2008 Free Software Foundation, Inc.
+dnl Copyright (C) 2003, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
@@ -17,15 +17,15 @@ AC_DEFUN([gl_TIME_R],
 
   AC_CACHE_CHECK([whether localtime_r is compatible with its POSIX signature],
     [gl_cv_time_r_posix],
-    [AC_TRY_COMPILE(
-       [#include <time.h>],
-       [/* We don't need to append 'restrict's to the argument types,
-          even though the POSIX signature has the 'restrict's,
-          since C99 says they can't affect type compatibility.  */
-       struct tm * (*ptr) (time_t const *, struct tm *) = localtime_r;
-        if (ptr) return 0;
-        /* Check the return type is a pointer.  On HP-UX 10 it is 'int'.  */
-        *localtime_r (0, 0);],
+    [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
+         [[#include <time.h>]],
+         [[/* We don't need to append 'restrict's to the argument types,
+              even though the POSIX signature has the 'restrict's,
+              since C99 says they can't affect type compatibility.  */
+           struct tm * (*ptr) (time_t const *, struct tm *) = localtime_r;
+           if (ptr) return 0;
+           /* Check the return type is a pointer.  On HP-UX 10 it is 'int'.  */
+           *localtime_r (0, 0);]])],
        [gl_cv_time_r_posix=yes],
        [gl_cv_time_r_posix=no])])
   if test $gl_cv_time_r_posix = yes; then