- IPv6: Added configure check for in6addr_any to fix Fedora Core 4 compile problem,

reported by wheatie80 (#2594).

Changes

@@ -811,3 +811,5 @@
   aliasing warnings, so it sounds good to disable this type of optimization for now.
 - Fixed problem with crash-on-link if compiled with GCC 4, reported by jonneyboy (#2573)
   and PHANTOm (#2590).
+- IPv6: Added configure check for in6addr_any to fix Fedora Core 4 compile problem,
+  reported by wheatie80 (#2594).

autoconf/configure.in

@@ -121,9 +121,26 @@ if test "$ac_cv_ip6" = "no"; then
 AC_MSG_WARN(Your system does not support IPv6 so it will not be enabled)
 else
 AC_DEFINE(INET6)
+have_v6="yes"
+	AC_MSG_CHECKING([for struct in6addr_any])
+	AC_COMPILE_IFELSE(
+		[AC_LANG_PROGRAM(
+			[[#define IN_AUTOCONF
+			#include <sys/types.h>
+			#include <sys/socket.h>
+			#include <netinet/in.h>]],
+			[[struct in6_addr a = in6addr_any;]]
+		)],
+		[AC_MSG_RESULT(yes)],
+		[
+			AC_MSG_RESULT(no)
+			AC_DEFINE(NO_IN6ADDR_ANY)
+		]
+	)
 fi
 LIBS="$save_libs"
 ])
+
 AC_CHECK_HEADER(sys/param.h,AC_DEFINE(PARAMH))
 AC_CHECK_HEADER(stdlib.h,AC_DEFINE(STDLIBH))
 AC_CHECK_HEADER(stddef.h,AC_DEFINE(STDDEFH))

configure

@@ -2641,6 +2641,7 @@ fi
 
 
 
+
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -10555,6 +10556,59 @@ cat >>confdefs.h <<\_ACEOF
 #define INET6 1
 _ACEOF
 
+have_v6="yes"
+	echo "$as_me:$LINENO: checking for struct in6addr_any" >&5
+echo $ECHO_N "checking for struct in6addr_any... $ECHO_C" >&6
+	cat >conftest.$ac_ext <<_ACEOF
+#line $LINENO "configure"
+#include "confdefs.h"
+#define IN_AUTOCONF
+			#include <sys/types.h>
+			#include <sys/socket.h>
+			#include <netinet/in.h>
+#ifdef F77_DUMMY_MAIN
+#  ifdef __cplusplus
+     extern "C"
+#  endif
+   int F77_DUMMY_MAIN() { return 1; }
+#endif
+int
+main ()
+{
+struct in6_addr a = in6addr_any;
+
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+         { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6
+else
+  echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+
+			echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
+			cat >>confdefs.h <<\_ACEOF
+#define NO_IN6ADDR_ANY 1
+_ACEOF
+
+
+
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
 fi
 LIBS="$save_libs"
 

include/setup.h.in

@@ -278,3 +278,6 @@
 
 /* Define if you have alloca */
 #undef HAVE_ALLOCA
+
+/* Define to 1 if your system has no in6addr_any. */
+#undef NO_IN6ADDR_ANY

include/sys.h

@@ -191,7 +191,7 @@ char mydummy2[MYDUMMY_SIZE];
 #  endif
 # endif
 
-# if defined(linux)
+# if defined(linux) && defined(NO_IN6ADDR_ANY)
 static const struct in6_addr in6addr_any = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0
 };