configure.in: Fix quoting of AC_LANG_PROGRAM().

Autoconf 2.68 complains about that and aborts building the configure
script. *sigh*

diff --git a/configure.in b/configure.in
index b2b496a..7d4967b 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -517,13 +517,13 @@ fi
 AC_CACHE_CHECK([for strtok_r],
   [c_cv_have_strtok_r_default],
   AC_LINK_IFELSE(
-    AC_LANG_PROGRAM(
-    [[[[
+    [AC_LANG_PROGRAM(
+    [[[
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
-    ]]]],
-    [[[[
+    ]]],
+    [[[
       char buffer[] = "foo,bar,baz";
       char *token;
       char *dummy;
@@ -533,10 +533,10 @@ AC_CACHE_CHECK([for strtok_r],
       saveptr = NULL;
       while ((token = strtok_r (dummy, ",", &saveptr)) != NULL)
       {
-       dummy = NULL;
+        dummy = NULL;
         printf ("token = %s;\n", token);
       }
-    ]]]]),
+    ]]])],
     [c_cv_have_strtok_r_default="yes"],
     [c_cv_have_strtok_r_default="no"]
   )
@@ -549,13 +549,13 @@ then
   AC_CACHE_CHECK([if strtok_r needs _REENTRANT],
     [c_cv_have_strtok_r_reentrant],
     AC_LINK_IFELSE(
-      AC_LANG_PROGRAM(
-      [[[[
+      [AC_LANG_PROGRAM(
+      [[[
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
-      ]]]],
-      [[[[
+      ]]],
+      [[[
         char buffer[] = "foo,bar,baz";
         char *token;
         char *dummy;
@@ -565,10 +565,10 @@ then
         saveptr = NULL;
         while ((token = strtok_r (dummy, ",", &saveptr)) != NULL)
         {
-         dummy = NULL;
+          dummy = NULL;
           printf ("token = %s;\n", token);
         }
-      ]]]]),
+      ]]])],
       [c_cv_have_strtok_r_reentrant="yes"],
       [AC_MSG_FAILURE([strtok_r isn't available. Please file a bugreport!])]
     )
@@ -631,18 +631,18 @@ if test "x$nan_type" = "xnone"; then
   AC_CACHE_CHECK([whether NAN is defined by default],
     [c_cv_have_nan_default],
     AC_COMPILE_IFELSE(
-      AC_LANG_PROGRAM(
-      [[
+      [AC_LANG_PROGRAM(
+      [[[
 #include <stdlib.h>
 #include <math.h>
-static float foo = NAN;
-      ]],
-      [[
+static double foo = NAN;
+      ]]],
+      [[[
        if (isnan (foo))
         return 0;
        else
        return 1;
-      ]]),
+      ]]])],
       [c_cv_have_nan_default="yes"],
       [c_cv_have_nan_default="no"]
     )
@@ -656,19 +656,19 @@ if test "x$nan_type" = "xnone"; then
   AC_CACHE_CHECK([whether NAN is defined by __USE_ISOC99],
     [c_cv_have_nan_isoc],
     AC_COMPILE_IFELSE(
-      AC_LANG_PROGRAM(
-      [[
+      [AC_LANG_PROGRAM(
+      [[[
 #include <stdlib.h>
 #define __USE_ISOC99 1
 #include <math.h>
-static float foo = NAN;
-      ]],
-      [[
+static double foo = NAN;
+      ]]],
+      [[[
        if (isnan (foo))
         return 0;
        else
        return 1;
-      ]]),
+      ]]])],
       [c_cv_have_nan_isoc="yes"],
       [c_cv_have_nan_isoc="no"]
     )
@@ -684,8 +684,8 @@ if test "x$nan_type" = "xnone"; then
   AC_CACHE_CHECK([whether NAN can be defined by 0/0],
     [c_cv_have_nan_zero],
     AC_RUN_IFELSE(
-      AC_LANG_PROGRAM(
-      [[
+      [AC_LANG_PROGRAM(
+      [[[
 #include <stdlib.h>
 #include <math.h>
 #ifdef NAN
@@ -695,14 +695,14 @@ if test "x$nan_type" = "xnone"; then
 #ifndef isnan
 # define isnan(f) ((f) != (f))
 #endif
-static float foo = NAN;
-      ]],
-      [[
+static double foo = NAN;
+      ]]],
+      [[[
        if (isnan (foo))
         return 0;
        else
        return 1;
-      ]]),
+      ]]])],
       [c_cv_have_nan_zero="yes"],
       [c_cv_have_nan_zero="no"]
     )
@@ -745,8 +745,8 @@ if test "x$fp_layout_type" = "xunknown"; then
   AC_CACHE_CHECK([if doubles are stored in x86 representation],
     [c_cv_fp_layout_need_nothing],
     AC_RUN_IFELSE(
-      AC_LANG_PROGRAM(
-      [[[[
+      [AC_LANG_PROGRAM(
+      [[[
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
@@ -759,8 +759,8 @@ if test "x$fp_layout_type" = "xunknown"; then
 #if HAVE_STDBOOL_H
 # include <stdbool.h>
 #endif
-      ]]]],
-      [[[[
+      ]]],
+      [[[
        uint64_t i0;
        uint64_t i1;
        uint8_t c[8];
@@ -779,7 +779,7 @@ if test "x$fp_layout_type" = "xunknown"; then
                return (0);
        else
                return (1);
-      ]]]]),
+      ]]])],
       [c_cv_fp_layout_need_nothing="yes"],
       [c_cv_fp_layout_need_nothing="no"]
     )
@@ -792,8 +792,8 @@ if test "x$fp_layout_type" = "xunknown"; then
   AC_CACHE_CHECK([if endianflip converts to x86 representation],
     [c_cv_fp_layout_need_endianflip],
     AC_RUN_IFELSE(
-      AC_LANG_PROGRAM(
-      [[[[
+      [AC_LANG_PROGRAM(
+      [[[
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
@@ -814,8 +814,8 @@ if test "x$fp_layout_type" = "xunknown"; then
                        (((uint64_t)(A) & 0x0000000000ff0000LL) << 24) | \
                        (((uint64_t)(A) & 0x000000000000ff00LL) << 40) | \
                        (((uint64_t)(A) & 0x00000000000000ffLL) << 56))
-      ]]]],
-      [[[[
+      ]]],
+      [[[
        uint64_t i0;
        uint64_t i1;
        uint8_t c[8];
@@ -834,7 +834,7 @@ if test "x$fp_layout_type" = "xunknown"; then
                return (0);
        else
                return (1);
-      ]]]]),
+      ]]])],
       [c_cv_fp_layout_need_endianflip="yes"],
       [c_cv_fp_layout_need_endianflip="no"]
     )
@@ -847,8 +847,8 @@ if test "x$fp_layout_type" = "xunknown"; then
   AC_CACHE_CHECK([if intswap converts to x86 representation],
     [c_cv_fp_layout_need_intswap],
     AC_RUN_IFELSE(
-      AC_LANG_PROGRAM(
-      [[[[
+      [AC_LANG_PROGRAM(
+      [[[
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
@@ -863,8 +863,8 @@ if test "x$fp_layout_type" = "xunknown"; then
 #endif
 #define intswap(A)    ((((uint64_t)(A) & 0xffffffff00000000LL) >> 32) | \
                        (((uint64_t)(A) & 0x00000000ffffffffLL) << 32))
-      ]]]],
-      [[[[
+      ]]],
+      [[[
        uint64_t i0;
        uint64_t i1;
        uint8_t c[8];
@@ -883,7 +883,7 @@ if test "x$fp_layout_type" = "xunknown"; then
                return (0);
        else
                return (1);
-      ]]]]),
+      ]]])],
       [c_cv_fp_layout_need_intswap="yes"],
       [c_cv_fp_layout_need_intswap="no"]
     )
@@ -929,15 +929,15 @@ if test "x$have_getmntent" = "xc"; then
        AC_CACHE_CHECK([whether getmntent takes one argument],
                [c_cv_have_one_getmntent],
                AC_COMPILE_IFELSE(
-                       AC_LANG_PROGRAM([[AC_INCLUDES_DEFAULT
+                       [AC_LANG_PROGRAM([[AC_INCLUDES_DEFAULT
 #include "$srcdir/src/utils_mount.h"]],
-                               [[
+                               [[[
                                 FILE *fh;
                                 struct mntent *me;
                                 fh = setmntent ("/etc/mtab", "r");
                                 me = getmntent (fh);
-                               ]]
-                       ),
+                               ]]]
+                       )],
                        [c_cv_have_one_getmntent="yes"],
                        [c_cv_have_one_getmntent="no"]
                )
@@ -945,16 +945,16 @@ if test "x$have_getmntent" = "xc"; then
        AC_CACHE_CHECK([whether getmntent takes two arguments],
                [c_cv_have_two_getmntent],
                AC_COMPILE_IFELSE(
-                       AC_LANG_PROGRAM([[AC_INCLUDES_DEFAULT
+                       [AC_LANG_PROGRAM([[AC_INCLUDES_DEFAULT
 #include "$srcdir/src/utils_mount.h"]],
-                               [[
+                               [[[
                                 FILE *fh;
                                 struct mnttab mt;
                                 int status;
                                 fh = fopen ("/etc/mnttab", "r");
                                 status = getmntent (fh, &mt);
-                               ]]
-                       ),
+                               ]]]
+                       )],
                        [c_cv_have_two_getmntent="yes"],
                        [c_cv_have_two_getmntent="no"]
                )
@@ -991,15 +991,15 @@ AC_MSG_CHECKING([if have htonll defined])
 
     have_htonll="no"
     AC_LINK_IFELSE([
-       AC_LANG_PROGRAM([
+       AC_LANG_PROGRAM([[[
 #include <sys/types.h>
 #include <netinet/in.h>
 #if HAVE_INTTYPES_H
 # include <inttypes.h>
 #endif
-       ], [
+       ]]], [[[
           return htonll(0);
-       ])
+       ]]])
     ], [
       have_htonll="yes"
       AC_DEFINE(HAVE_HTONLL, 1, [Define if the function htonll exists.])
@@ -2154,33 +2154,33 @@ then
 #include <sys/socket.h>])
 
         AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
-                           [
+                           [[[
                             #include <stdio.h>
                             #include <sys/types.h>
                             #include <asm/types.h>
                             #include <sys/socket.h>
                             #include <linux/netlink.h>
                             #include <linux/rtnetlink.h>
-                            ], [
+                            ]]], [[[
                                 int retval = TCA_STATS2;
                                 return (retval);
-                                ]
+                                ]]]
                             )],
                             [AC_DEFINE([HAVE_TCA_STATS2], [1], [True if the enum-member TCA_STATS2 exists])])
 
-       AC_COMPILE_IFELSE(
-[#include <stdio.h>
+       AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
+[[[#include <stdio.h>
 #include <sys/types.h>
 #include <asm/types.h>
 #include <sys/socket.h>
 #include <linux/netlink.h>
 #include <linux/rtnetlink.h>
-
+]]], [[[
 int main (void)
 {
        int retval = TCA_STATS;
        return (retval);
-}],
+}]]])],
        [AC_DEFINE([HAVE_TCA_STATS], 1, [True if the enum-member TCA_STATS exists])]
        []);
 
@@ -2201,8 +2201,7 @@ then
        AC_CACHE_CHECK(
                [if function 'rtnl_dump_filter' expects five arguments],
                [c_cv_rtnl_dump_filter_five_args],
-               AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
-                               [
+               AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 AC_INCLUDES_DEFAULT
 #include <asm/types.h>
 #include <sys/socket.h>
@@ -2213,12 +2212,11 @@ AC_INCLUDES_DEFAULT
 #elif HAVE_LINUX_LIBNETLINK_H
 # include <linux/libnetlink.h>
 #endif
-                               ],
-                               [
+                               ]], [[[
 if (rtnl_dump_filter(NULL, NULL, NULL, NULL, NULL))
        return 1;
 return 0;
-                               ]
+                               ]]]
                        )],
                        [c_cv_rtnl_dump_filter_five_args="yes"],
                        [c_cv_rtnl_dump_filter_five_args="no"]
@@ -2229,7 +2227,7 @@ return 0;
                [if function 'rtnl_dump_filter' expects three arguments],
                [c_cv_rtnl_dump_filter_three_args],
                AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
-                               [
+                               [[
 AC_INCLUDES_DEFAULT
 #include <asm/types.h>
 #include <sys/socket.h>
@@ -2240,12 +2238,11 @@ AC_INCLUDES_DEFAULT
 #elif HAVE_LINUX_LIBNETLINK_H
 # include <linux/libnetlink.h>
 #endif
-                               ],
-                               [
+                               ]], [[[
 if (rtnl_dump_filter(NULL, NULL, NULL))
        return 1;
 return 0;
-                               ]
+                               ]]]
                        )],
                        [c_cv_rtnl_dump_filter_three_args="yes"],
                        [c_cv_rtnl_dump_filter_three_args="no"]
@@ -2715,19 +2712,19 @@ dnl ARCHFLAGS="" -> disable multi -arch on OSX (see Config_heavy.pl:fetch_string
   AC_CACHE_CHECK([for libperl],
     [c_cv_have_libperl],
     AC_LINK_IFELSE(
-      AC_LANG_PROGRAM(
-      [[
+      [AC_LANG_PROGRAM(
+      [[[
 #define PERL_NO_GET_CONTEXT
 #include <EXTERN.h>
 #include <perl.h>
 #include <XSUB.h>
-      ]],
-      [[
+      ]]],
+      [[[
        dTHX;
        load_module (PERL_LOADMOD_NOIMPORT,
                         newSVpv ("Collectd::Plugin::FooBar", 24),
                         Nullsv);
-      ]]),
+      ]]])],
       [c_cv_have_libperl="yes"],
       [c_cv_have_libperl="no"]
     )
@@ -2760,8 +2757,8 @@ then
        AC_CACHE_CHECK([if perl supports ithreads],
                [c_cv_have_perl_ithreads],
                AC_LINK_IFELSE(
-                       AC_LANG_PROGRAM(
-                       [[
+                       [AC_LANG_PROGRAM(
+                       [[[
 #include <EXTERN.h>
 #include <perl.h>
 #include <XSUB.h>
@@ -2769,8 +2766,8 @@ then
 #if !defined(USE_ITHREADS)
 # error "Perl does not support ithreads!"
 #endif /* !defined(USE_ITHREADS) */
-                       ]],
-                       [[ ]]),
+                       ]]],
+                       [[[ ]]])],
                        [c_cv_have_perl_ithreads="yes"],
                        [c_cv_have_perl_ithreads="no"]
                )
@@ -2797,19 +2794,19 @@ then
        AC_CACHE_CHECK([for broken Perl_load_module()],
                [c_cv_have_broken_perl_load_module],
                AC_LINK_IFELSE(
-                       AC_LANG_PROGRAM(
-                       [[
+                       [AC_LANG_PROGRAM(
+                       [[[
 #define PERL_NO_GET_CONTEXT
 #include <EXTERN.h>
 #include <perl.h>
 #include <XSUB.h>
-                       ]],
-                       [[
+                       ]]],
+                       [[[
                         dTHX;
                         load_module (PERL_LOADMOD_NOIMPORT,
                             newSVpv ("Collectd::Plugin::FooBar", 24),
                             Nullsv);
-                       ]]),
+                       ]]])],
                        [c_cv_have_broken_perl_load_module="no"],
                        [c_cv_have_broken_perl_load_module="yes"]
                )