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changeset 9921:01cfd65cc7e0

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Fix underquoting of AC_LANG_PROGRAM arguments.
author Bruno Haible <bruno@clisp.org>
date Tue, 15 Apr 2008 01:52:03 +0200
parents fe4e6b58eb84
children 5bd19352e8c2
files ChangeLog m4/calloc.m4 m4/extensions.m4 m4/gethrxtime.m4 m4/getopt.m4 m4/inttypes.m4 m4/math_h.m4 m4/mbstate_t.m4 m4/memmem.m4 m4/netinet_in_h.m4 m4/physmem.m4 m4/putenv.m4 m4/regex.m4 m4/stdint.m4 m4/stdio_h.m4 m4/strcasestr.m4 m4/strerror.m4 m4/strndup.m4 m4/strstr.m4 m4/sys_select_h.m4 m4/sys_socket_h.m4
diffstat 21 files changed, 99 insertions(+), 75 deletions(-) [+]
line wrap: on
line diff
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,27 @@
+2008-04-14  Bruno Haible  <bruno@clisp.org>
+
+	* m4/calloc.m4 (_AC_FUNC_CALLOC_IF): Fix underquoting of
+	AC_LANG_PROGRAM argument.
+	* m4/extensions.m4 (AC_USE_SYSTEM_EXTENSIONS): Likewise.
+	* m4/gethrxtime.m4 (gl_ARITHMETIC_HRTIME_T): Likewise.
+	* m4/getopt.m4 (gl_GETOPT_CHECK_HEADERS): Likewise.
+	* m4/inttypes.m4 (gl_INTTYPES_H): Likewise.
+	* m4/math_h.m4 (gl_MATH_H): Likewise.
+	* m4/mbstate_t.m4 (AC_TYPE_MBSTATE_T): Likewise.
+	* m4/memmem.m4 (gl_FUNC_MEMMEM): Likewise.
+	* m4/netinet_in_h.m4 (gl_HEADER_NETINET_IN): Likewise.
+	* m4/physmem.m4 (gl_SYS__SYSTEM_CONFIGURATION): Likewise.
+	* m4/putenv.m4 (gl_FUNC_PUTENV): Likewise.
+	* m4/regex.m4 (gl_REGEX): Likewise.
+	* m4/stdint.m4 (gl_INTEGER_TYPE_SUFFIX): Likewise.
+	* m4/stdio_h.m4 (gl_STDIN_LARGE_OFFSET): Likewise.
+	* m4/strcasestr.m4 (gl_FUNC_STRCASESTR): Likewise.
+	* m4/strerror.m4 (gl_FUNC_STRERROR_SEPARATE): Likewise.
+	* m4/strndup.m4 (gl_FUNC_STRNDUP): Likewise.
+	* m4/strstr.m4 (gl_FUNC_STRSTR): Likewise.
+	* m4/sys_select_h.m4 (gl_HEADER_SYS_SELECT): Likewise.
+	* m4/sys_socket_h.m4 (gl_HEADER_SYS_SOCKET): Likewise.
+
 2008-04-14  Jim Meyering  <meyering@redhat.com>
 
 	test-strtod: fix typos: s/abs/fabs/
--- a/m4/calloc.m4
+++ b/m4/calloc.m4
@@ -1,6 +1,6 @@
-# calloc.m4 serial 7
+# calloc.m4 serial 8
 
-# Copyright (C) 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
+# Copyright (C) 2004-2008 Free Software Foundation, Inc.
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
@@ -19,7 +19,7 @@
 [AC_REQUIRE([AC_TYPE_SIZE_T])dnl
 AC_CACHE_CHECK([for GNU libc compatible calloc], ac_cv_func_calloc_0_nonnull,
 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
-		  [exit (!calloc (0, 0) || calloc ((size_t) -1 / 8 + 1, 8));])],
+		  [[exit (!calloc (0, 0) || calloc ((size_t) -1 / 8 + 1, 8));]])],
 	       [ac_cv_func_calloc_0_nonnull=yes],
 	       [ac_cv_func_calloc_0_nonnull=no],
 	       [ac_cv_func_calloc_0_nonnull=no])])
--- a/m4/extensions.m4
+++ b/m4/extensions.m4
@@ -1,7 +1,7 @@
 # serial 5  -*- Autoconf -*-
 # Enable extensions on systems that normally disable them.
 
-# Copyright (C) 2003, 2006, 2007 Free Software Foundation, Inc.
+# Copyright (C) 2003, 2006-2008 Free Software Foundation, Inc.
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
@@ -61,9 +61,9 @@
   AC_CACHE_CHECK([whether it is safe to define __EXTENSIONS__],
     [ac_cv_safe_to_define___extensions__],
     [AC_COMPILE_IFELSE(
-       [AC_LANG_PROGRAM([
+       [AC_LANG_PROGRAM([[
 #	  define __EXTENSIONS__ 1
-	  AC_INCLUDES_DEFAULT])],
+	  ]AC_INCLUDES_DEFAULT])],
        [ac_cv_safe_to_define___extensions__=yes],
        [ac_cv_safe_to_define___extensions__=no])])
   test $ac_cv_safe_to_define___extensions__ = yes &&
--- a/m4/gethrxtime.m4
+++ b/m4/gethrxtime.m4
@@ -1,5 +1,5 @@
-# gethrxtime.m4 serial 6
-dnl Copyright (C) 2005, 2006 Free Software Foundation, Inc.
+# gethrxtime.m4 serial 7
+dnl Copyright (C) 2005, 2006, 2008 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.
@@ -28,8 +28,8 @@
   AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
   AC_CACHE_CHECK([for arithmetic hrtime_t], gl_cv_arithmetic_hrtime_t,
     [AC_COMPILE_IFELSE(
-       [AC_LANG_PROGRAM([#include <time.h>],
-	  [hrtime_t x = 0; return x/x;])],
+       [AC_LANG_PROGRAM([[#include <time.h>]],
+	  [[hrtime_t x = 0; return x/x;]])],
        [gl_cv_arithmetic_hrtime_t=yes],
        [gl_cv_arithmetic_hrtime_t=no])])
   if test $gl_cv_arithmetic_hrtime_t = yes; then
--- a/m4/getopt.m4
+++ b/m4/getopt.m4
@@ -1,5 +1,5 @@
-# getopt.m4 serial 13
-dnl Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+# getopt.m4 serial 14
+dnl Copyright (C) 2002-2006, 2008 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
@@ -46,7 +46,7 @@
   if test -z "$GETOPT_H"; then
     AC_CACHE_CHECK([for working GNU getopt function], [gl_cv_func_gnu_getopt],
       [AC_RUN_IFELSE(
-	[AC_LANG_PROGRAM([#include <getopt.h>],
+	[AC_LANG_PROGRAM([[#include <getopt.h>]],
 	   [[
 	     char *myargv[3];
 	     myargv[0] = "conftest";
--- a/m4/inttypes.m4
+++ b/m4/inttypes.m4
@@ -1,5 +1,5 @@
-# inttypes.m4 serial 11
-dnl Copyright (C) 2006-2007 Free Software Foundation, Inc.
+# inttypes.m4 serial 12
+dnl Copyright (C) 2006-2008 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.
@@ -32,7 +32,7 @@
 	&& test "$ac_cv_have_decl_strtoimax" = yes \
 	&& test "$ac_cv_have_decl_strtoumax" = yes; then
        AC_COMPILE_IFELSE([
-	 AC_LANG_PROGRAM([
+	 AC_LANG_PROGRAM([[
 #include <stddef.h>
 #define __STDC_LIMIT_MACROS 1 /* to make it work also in C++ mode */
 #define __STDC_CONSTANT_MACROS 1 /* to make it work also in C++ mode */
@@ -131,7 +131,7 @@
   SCNoPTR SCNuPTR SCNxPTR
 #endif
   ;
-	 ])],
+	 ]])],
 	 [gl_cv_header_working_inttypes_h=yes])
      fi])
 
@@ -174,9 +174,9 @@
           I64) gltype1='__int64';;
         esac
         AC_COMPILE_IFELSE(
-          [AC_LANG_PROGRAM([#include <stdint.h>
+          [AC_LANG_PROGRAM([[#include <stdint.h>
              extern intptr_t foo;
-             extern $gltype1 foo;])],
+             extern $gltype1 foo;]])],
           [PRIPTR_PREFIX='"'$glpfx'"'])
         test -n "$PRIPTR_PREFIX" && break
       done
--- a/m4/math_h.m4
+++ b/m4/math_h.m4
@@ -1,4 +1,4 @@
-# math_h.m4 serial 12
+# math_h.m4 serial 13
 dnl Copyright (C) 2007-2008 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -9,7 +9,7 @@
   AC_REQUIRE([gl_MATH_H_DEFAULTS])
   gl_CHECK_NEXT_HEADERS([math.h])
   AC_CACHE_CHECK([whether NAN macro works], [gl_cv_header_math_nan_works],
-    [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([@%:@include <math.h>],
+    [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <math.h>]],
       [[/* Solaris 10 has a broken definition of NAN.  Other platforms
         fail to provide NAN, or provide it only in C99 mode; this
         test only needs to fail when NAN is provided but wrong.  */
@@ -24,7 +24,7 @@
     REPLACE_NAN=1
   fi
   AC_CACHE_CHECK([whether HUGE_VAL works], [gl_cv_header_math_huge_val_works],
-    [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([@%:@include <math.h>],
+    [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <math.h>]],
       [[/* Solaris 10 has a broken definition of HUGE_VAL.  */
 	 double d = HUGE_VAL;
 	 return d == 0;]])],
--- a/m4/mbstate_t.m4
+++ b/m4/mbstate_t.m4
@@ -1,5 +1,5 @@
-# mbstate_t.m4 serial 9
-dnl Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc.
+# mbstate_t.m4 serial 10
+dnl Copyright (C) 2000-2002, 2008 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.
@@ -16,9 +16,9 @@
   [AC_CACHE_CHECK([for mbstate_t], ac_cv_type_mbstate_t,
      [AC_COMPILE_IFELSE(
 	[AC_LANG_PROGRAM(
-	   [AC_INCLUDES_DEFAULT
-#	    include <wchar.h>],
-	   [mbstate_t x; return sizeof x;])],
+	   [AC_INCLUDES_DEFAULT[
+#	    include <wchar.h>]],
+	   [[mbstate_t x; return sizeof x;]])],
 	[ac_cv_type_mbstate_t=yes],
 	[ac_cv_type_mbstate_t=no])])
    if test $ac_cv_type_mbstate_t = yes; then
--- a/m4/memmem.m4
+++ b/m4/memmem.m4
@@ -1,4 +1,4 @@
-# memmem.m4 serial 9
+# memmem.m4 serial 10
 dnl Copyright (C) 2002, 2003, 2004, 2007, 2008 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -26,11 +26,11 @@
   if test $ac_cv_have_decl_memmem = yes; then
     AC_CACHE_CHECK([whether memmem works in linear time],
       [gl_cv_func_memmem_works],
-      [AC_RUN_IFELSE([AC_LANG_PROGRAM([
+      [AC_RUN_IFELSE([AC_LANG_PROGRAM([[
 #include <string.h> /* for memmem */
 #include <stdlib.h> /* for malloc */
 #include <unistd.h> /* for alarm */
-], [[size_t m = 1000000;
+]], [[size_t m = 1000000;
     char *haystack = (char *) malloc (2 * m + 1);
     char *needle = (char *) malloc (m + 1);
     void *result = 0;
--- a/m4/netinet_in_h.m4
+++ b/m4/netinet_in_h.m4
@@ -1,5 +1,5 @@
-# netinet_in_h.m4 serial 3
-dnl Copyright (C) 2006-2007 Free Software Foundation, Inc.
+# netinet_in_h.m4 serial 4
+dnl Copyright (C) 2006-2008 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.
@@ -9,7 +9,7 @@
   AC_CACHE_CHECK([whether <netinet/in.h> is self-contained],
     [gl_cv_header_netinet_in_h_selfcontained],
     [
-      AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <netinet/in.h>], [])],
+      AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <netinet/in.h>]], [[]])],
         [gl_cv_header_netinet_in_h_selfcontained=yes],
         [gl_cv_header_netinet_in_h_selfcontained=no])
     ])
--- a/m4/physmem.m4
+++ b/m4/physmem.m4
@@ -1,5 +1,5 @@
-# physmem.m4 serial 7
-dnl Copyright (C) 2002, 2003, 2005, 2006 Free Software Foundation, Inc.
+# physmem.m4 serial 8
+dnl Copyright (C) 2002-2003, 2005-2006, 2008 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.
@@ -12,8 +12,8 @@
     [AC_LINK_IFELSE([AC_LANG_PROGRAM(
 		      [[#include <sys/systemcfg.h>
 		      ]],
-		      [double x = _system_configuration.physmem;
-		       if (x > 0.0) return 0;])],
+		      [[double x = _system_configuration.physmem;
+		        if (x > 0.0) return 0;]])],
       [gl_cv_var__system_configuration=yes],
       [gl_cv_var__system_configuration=no])])
 
--- a/m4/putenv.m4
+++ b/m4/putenv.m4
@@ -1,5 +1,5 @@
-# putenv.m4 serial 14
-dnl Copyright (C) 2002-2007 Free Software Foundation, Inc.
+# putenv.m4 serial 15
+dnl Copyright (C) 2002-2008 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.
@@ -14,7 +14,7 @@
   AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
   AC_CACHE_CHECK([for putenv compatible with GNU and SVID],
    [gl_cv_func_svid_putenv],
-   [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],[
+   [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],[[
     /* Put it in env.  */
     if (putenv ("CONFTEST_putenv=val"))
       return 1;
@@ -28,7 +28,7 @@
       return 1;
 
     return 0;
-	      ])],
+	      ]])],
 	     gl_cv_func_svid_putenv=yes,
 	     gl_cv_func_svid_putenv=no,
 	     dnl When crosscompiling, assume putenv is broken.
--- a/m4/regex.m4
+++ b/m4/regex.m4
@@ -1,4 +1,4 @@
-#serial 51
+#serial 52
 
 # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005,
 # 2006, 2007, 2008 Free Software Foundation, Inc.
@@ -37,13 +37,13 @@
 		   [gl_cv_func_re_compile_pattern_working],
       [AC_RUN_IFELSE(
 	[AC_LANG_PROGRAM(
-	  [AC_INCLUDES_DEFAULT
+	  [AC_INCLUDES_DEFAULT[
 	   #if HAVE_LOCALE_H
 	    #include <locale.h>
 	   #endif
 	   #include <limits.h>
 	   #include <regex.h>
-	   ],
+	   ]],
 	  [[static struct re_pattern_buffer regex;
 	    unsigned char folded_chars[UCHAR_MAX + 1];
 	    int i;
--- a/m4/stdint.m4
+++ b/m4/stdint.m4
@@ -1,4 +1,4 @@
-# stdint.m4 serial 30
+# stdint.m4 serial 31
 dnl Copyright (C) 2001-2008 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -337,9 +337,9 @@
            ui64)gltype1='unsigned __int64';;
          esac
          AC_COMPILE_IFELSE(
-           [AC_LANG_PROGRAM([$2
+           [AC_LANG_PROGRAM([$2[
               extern $gltype foo;
-              extern $gltype1 foo;])],
+              extern $gltype1 foo;]])],
            [eval gl_cv_type_${gltype}_suffix=\$glsuf])
          eval result=\$gl_cv_type_${gltype}_suffix
          test "$result" != no && break
--- a/m4/stdio_h.m4
+++ b/m4/stdio_h.m4
@@ -1,5 +1,5 @@
-# stdio_h.m4 serial 9
-dnl Copyright (C) 2007 Free Software Foundation, Inc.
+# stdio_h.m4 serial 10
+dnl Copyright (C) 2007-2008 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.
@@ -70,8 +70,8 @@
   [
     AC_CACHE_CHECK([whether stdin defaults to large file offsets],
       [gl_cv_var_stdin_large_offset],
-      [AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <stdio.h>],
-[#if defined __SL64 && defined __SCLE /* cygwin */
+      [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>]],
+[[#if defined __SL64 && defined __SCLE /* cygwin */
   /* Cygwin 1.5.24 and earlier fail to put stdin in 64-bit mode, making
      fseeko/ftello needlessly fail.  This bug was fixed in 1.5.25, and
      it is easier to do a version check than building a runtime test.  */
@@ -79,7 +79,7 @@
 # if CYGWIN_VERSION_DLL_COMBINED < CYGWIN_VERSION_DLL_MAKE_COMBINED (1005, 25)
   choke me
 # endif
-#endif])],
+#endif]])],
 	[gl_cv_var_stdin_large_offset=yes],
 	[gl_cv_var_stdin_large_offset=no])])
 ])
--- a/m4/strcasestr.m4
+++ b/m4/strcasestr.m4
@@ -1,4 +1,4 @@
-# strcasestr.m4 serial 8
+# strcasestr.m4 serial 9
 dnl Copyright (C) 2005, 2007, 2008 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -25,11 +25,11 @@
   if test $ac_cv_func_strcasestr = yes; then
     AC_CACHE_CHECK([whether strcasestr works in linear time],
       [gl_cv_func_strcasestr_linear],
-      [AC_RUN_IFELSE([AC_LANG_PROGRAM([
+      [AC_RUN_IFELSE([AC_LANG_PROGRAM([[
 #include <string.h> /* for memmem */
 #include <stdlib.h> /* for malloc */
 #include <unistd.h> /* for alarm */
-], [[size_t m = 1000000;
+]], [[size_t m = 1000000;
     char *haystack = (char *) malloc (2 * m + 2);
     char *needle = (char *) malloc (m + 2);
     void *result = 0;
--- a/m4/strerror.m4
+++ b/m4/strerror.m4
@@ -1,5 +1,5 @@
-# strerror.m4 serial 7
-dnl Copyright (C) 2002, 2007 Free Software Foundation, Inc.
+# strerror.m4 serial 8
+dnl Copyright (C) 2002, 2007-2008 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.
@@ -22,17 +22,17 @@
    [gl_cv_func_working_strerror],
    [AC_RUN_IFELSE(
       [AC_LANG_PROGRAM(
-	 [#include <string.h>
-	 ],
-	 [return !*strerror (-2);])],
+	 [[#include <string.h>
+	 ]],
+	 [[return !*strerror (-2);]])],
       [gl_cv_func_working_strerror=yes],
       [gl_cv_func_working_strerror=no],
       [dnl Assume crossbuild works if it compiles.
        AC_COMPILE_IFELSE(
 	 [AC_LANG_PROGRAM(
-	    [#include <string.h>
-	    ],
-	    [return !*strerror (-2);])],
+	    [[#include <string.h>
+	    ]],
+	    [[return !*strerror (-2);]])],
 	 [gl_cv_func_working_strerror=yes],
 	 [gl_cv_func_working_strerror=no])])])
   if test $gl_cv_func_working_strerror = no ; then
--- a/m4/strndup.m4
+++ b/m4/strndup.m4
@@ -1,5 +1,5 @@
-# strndup.m4 serial 14
-dnl Copyright (C) 2002-2003, 2005-2007 Free Software Foundation, Inc.
+# strndup.m4 serial 15
+dnl Copyright (C) 2002-2003, 2005-2008 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.
@@ -18,8 +18,8 @@
   # AIX 4.3.3, AIX 5.1 have a function that fails to add the terminating '\0'.
   AC_CACHE_CHECK([for working strndup], gl_cv_func_strndup,
     [AC_RUN_IFELSE([
-       AC_LANG_PROGRAM([#include <string.h>
-			#include <stdlib.h>], [[
+       AC_LANG_PROGRAM([[#include <string.h>
+			 #include <stdlib.h>]], [[
 #ifndef HAVE_DECL_STRNDUP
   extern char *strndup (const char *, size_t);
 #endif
--- a/m4/strstr.m4
+++ b/m4/strstr.m4
@@ -1,4 +1,4 @@
-# strstr.m4 serial 1
+# strstr.m4 serial 2
 dnl Copyright (C) 2008 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -10,11 +10,11 @@
   AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
   AC_CACHE_CHECK([whether strstr works in linear time],
     [gl_cv_func_strstr_linear],
-    [AC_RUN_IFELSE([AC_LANG_PROGRAM([
+    [AC_RUN_IFELSE([AC_LANG_PROGRAM([[
 #include <string.h> /* for memmem */
 #include <stdlib.h> /* for malloc */
 #include <unistd.h> /* for alarm */
-], [[size_t m = 1000000;
+]], [[size_t m = 1000000;
     char *haystack = (char *) malloc (2 * m + 2);
     char *needle = (char *) malloc (m + 2);
     void *result = 0;
--- a/m4/sys_select_h.m4
+++ b/m4/sys_select_h.m4
@@ -1,5 +1,5 @@
-# sys_select_h.m4 serial 3
-dnl Copyright (C) 2006-2007 Free Software Foundation, Inc.
+# sys_select_h.m4 serial 4
+dnl Copyright (C) 2006-2008 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.
@@ -9,7 +9,7 @@
   AC_CACHE_CHECK([whether <sys/select.h> is self-contained],
     [gl_cv_header_sys_select_h_selfcontained],
     [
-      AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <sys/select.h>], [])],
+      AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/select.h>]], [[]])],
         [gl_cv_header_sys_select_h_selfcontained=yes],
         [gl_cv_header_sys_select_h_selfcontained=no])
     ])
--- a/m4/sys_socket_h.m4
+++ b/m4/sys_socket_h.m4
@@ -1,4 +1,4 @@
-# sys_socket_h.m4 serial 5
+# sys_socket_h.m4 serial 6
 dnl Copyright (C) 2005-2008 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -11,7 +11,7 @@
   AC_CACHE_CHECK([whether <sys/socket.h> is self-contained],
     [gl_cv_header_sys_socket_h_selfcontained],
     [
-      AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <sys/socket.h>], [])],
+      AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/socket.h>]], [[]])],
         [gl_cv_header_sys_socket_h_selfcontained=yes],
         [gl_cv_header_sys_socket_h_selfcontained=no])
     ])