configure.ac:

  attempt to properly quote all args to AC_LANG_PROGRAM()

bk: 4b64b28euSgANDlhjcikKNgz0GHOFA

diff --git a/configure.ac b/configure.ac
index 436df7df607bb6b15d09a7e15571a72e36f8d995..6ffef7635fd683e549d3f4c4ac7ac2fec335508c 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -135,7 +135,7 @@ AC_CACHE_CHECK(
     ac_cv_cpp_warning,
     [
        AC_COMPILE_IFELSE(
-           AC_LANG_PROGRAM([], [#warning foo]),
+           AC_LANG_PROGRAM([[]], [[#warning foo]]),
            [ac_cv_cpp_warning=yes],
            [ac_cv_cpp_warning=no],
        )
@@ -156,7 +156,7 @@ case "$GCC" in
        ac_cv_gcc_Wstrict_overflow, 
        [
            AC_COMPILE_IFELSE(
-               [AC_LANG_PROGRAM([], [])],
+               [AC_LANG_PROGRAM()],
                [ac_cv_gcc_Wstrict_overflow=yes],
                [ac_cv_gcc_Wstrict_overflow=no]
            )
@@ -180,7 +180,7 @@ case "$GCC" in
        ac_cv_gcc_Winit_self, 
        [
            AC_COMPILE_IFELSE(
-               [AC_LANG_PROGRAM([], [])],
+               [AC_LANG_PROGRAM()],
                [ac_cv_gcc_Winit_self=yes],
                [ac_cv_gcc_Winit_self=no]
            )
@@ -698,15 +698,15 @@ case "$ac_cv_type_int32::$ac_cv_header_resolv_h" in
        [ntp_cv_type_int32_with_dns],
        AC_COMPILE_IFELSE(
            AC_LANG_PROGRAM(
-               [
+               [[
                    #ifdef HAVE_ARPA_NAMESER_H
                    # include <arpa/nameser.h>
                    #endif
                    #include <resolv.h>
-               ],
-               [
+               ]],
+               [[
                    size_t cb = sizeof(int32);
-               ]
+               ]]
            ),
            [ntp_cv_type_int32_with_dns=yes],
            [ntp_cv_type_int32_with_dns=no]
@@ -725,15 +725,15 @@ case "$ac_cv_type_u_int32::$ac_cv_header_resolv_h" in
        [ntp_cv_type_u_int32_with_dns],
        AC_COMPILE_IFELSE(
            AC_LANG_PROGRAM(
-               [
+               [[
                    #ifdef HAVE_ARPA_NAMESER_H
                    # include <arpa/nameser.h>
                    #endif
                    #include <resolv.h>
-               ],
-               [
+               ]],
+               [[
                    size_t cb = sizeof(u_int32);
-               ]
+               ]]
            ),
            [ntp_cv_type_u_int32_with_dns=yes],
            [ntp_cv_type_u_int32_with_dns=no]
@@ -2194,15 +2194,15 @@ AC_CACHE_CHECK(
         *)
            AC_COMPILE_IFELSE(
                AC_LANG_PROGRAM(
-                   [
+                   [[
                        #ifdef HAVE_NETINET_IN_H
                        #include <netinet/in.h>
                        #endif
-                   ],
-                   [
+                   ]],
+                   [[
                        struct ip_mreq ipmr;
                        ipmr.imr_interface.s_addr = 0;
-                   ]
+                   ]]
                ),
                [ntp_cv_multicast=yes],
                []
@@ -4663,14 +4663,14 @@ AC_CACHE_CHECK(
        AC_COMPILE_IFELSE(
            [
                AC_LANG_PROGRAM(
-                   [
+                   [[
                        #include <sys/types.h>
                        #include <sys/socket.h>
                        #include <netinet/in.h>
-                   ],
-                   [
+                   ]],
+                   [[
                        struct sockaddr_in6 sin6;
-                   ]
+                   ]]
                )
            ],
            [ac_cv_isc_found_ipv6=yes],
@@ -4760,16 +4760,16 @@ case "$ac_cv_isc_found_ipv6" in
            AC_COMPILE_IFELSE(
                [
                    AC_LANG_PROGRAM(
-                       [
+                       [[
                            #include <sys/types.h>
                            #include <sys/socket.h>
                            #include <netinet/in.h>
                            $isc_netinetin6_hack
                            $isc_netinet6in6_hack
-                       ],
-                       [
+                       ]],
+                       [[
                            struct in6_pktinfo xyzzy;
-                       ]
+                       ]]
                    )
                ],
                [ac_cv_have_in6_pktinfo=yes],
@@ -4792,17 +4792,17 @@ case "$ac_cv_isc_found_ipv6" in
            AC_COMPILE_IFELSE(
                [
                    AC_LANG_PROGRAM(
-                       [
+                       [[
                            #include <sys/types.h>
                            #include <sys/socket.h>
                            #include <netinet/in.h>
                            $isc_netinetin6_hack
                            $isc_netinet6in6_hack
-                       ],
-                       [
+                       ]],
+                       [[
                            struct sockaddr_in6 xyzzy;
                            xyzzy.sin6_scope_id = 0;
-                       ]
+                       ]]
                    )
                ],
                [ac_cv_have_sin6_scope_id=yes],
@@ -4827,17 +4827,17 @@ AC_CACHE_CHECK(
        AC_LINK_IFELSE(
            [
                AC_LANG_PROGRAM(
-                   [
+                   [[
                        #include <sys/types.h>
                        #include <sys/socket.h>
                        #include <netinet/in.h>
                        $isc_netinetin6_hack
                        $isc_netinet6in6_hack
-                   ],
-                   [
+                   ]],
+                   [[
                        struct in6_addr in6; 
                        in6 = in6addr_any;
-                   ]
+                   ]]
                )
            ],
            [isc_cv_have_in6addr_any=yes],
@@ -4859,13 +4859,13 @@ AC_CACHE_CHECK(
         AC_COMPILE_IFELSE(
            [
                AC_LANG_PROGRAM(
-                   [
+                   [[
                        #include <sys/types.h>
                        #include <net/if6.h>
-                   ],
-                   [
+                   ]],
+                   [[
                        struct if_laddrconf a;
-                   ]
+                   ]]
                )
            ],
            [ac_cv_isc_struct_if_laddrconf=yes],
@@ -4886,13 +4886,13 @@ AC_CACHE_CHECK(
         AC_COMPILE_IFELSE(
            [
                AC_LANG_PROGRAM(
-                   [
+                   [[
                        #include <sys/types.h>
                        #include <net/if6.h>
-                   ],
-                   [
+                   ]],
+                   [[
                        struct if_laddrreq a;
-                   ]
+                   ]]
                )
            ],
            [ac_cv_isc_struct_if_laddrreq=yes],