Ecore: fix Cocoa stuff detection on FreeBSD and Mac OS X, clean up ipv6 detection

SVN revision: 64652

legacy/ecore/configure.ac

@@ -1157,16 +1157,36 @@ AC_CHECK_HEADER([linux/fb.h],
 
 # Cocoa header files (ecore_cocoa)
 
-cocoa_ldflags="";
+cocoa_ldflags=""
 have_cocoa="no"
 m4_ifdef([AC_PROG_OBJC], [
     if test "x${have_gnu_objc}" = "xyes" ; then
        AC_LANG_PUSH([Objective C])
-       AC_CHECK_HEADER([Cocoa/Cocoa.h],
+       LIBS_save="$LIBS"
+       LIBS="$LIBS -framework Cocoa"
+       AC_LINK_IFELSE(
+          [AC_LANG_PROGRAM(
+              [[
+#include <Cocoa/Cocoa.h>
+              ]],
+              [[
+NSWindow *window;
+window = [[NSWindow alloc]
+           initWithContentRect:NSMakeRect(0, 0, 1, 1)
+           styleMask:(NSTitledWindowMask)
+           backing:NSBackingStoreBuffered
+           defer:NO
+           screen:nil
+	 ];
+              ]])],
           [
            have_cocoa="yes"
            cocoa_ldflags="-framework Cocoa"
-          ])
+          ],
+          [have_cocoa="no"])
+       LIBS="$LIBS_save"
+       AC_MSG_CHECKING([whether Cocoa framework is supported])
+       AC_MSG_RESULT([${have_cocoa}])
        AC_LANG_POP([Objective C])
     fi
 ])
@@ -1330,11 +1350,9 @@ have_curl="no"
 have_gnutls="no"
 have_openssl="no"
 have_cares="no"
-if test "x${have_ecore_con}" = "xyes" ; then
-
-   # Verify IPV6 availability in headers
 want_ipv6="yes"
 have_ipv6="no"
+
 AC_ARG_ENABLE([ipv6],
    [AC_HELP_STRING([--disable-ipv6],
        [disable ipv6 functionality @<:@default=detect@:>@])],
@@ -1344,9 +1362,15 @@ if test "x${have_ecore_con}" = "xyes" ; then
     else
        want_ipv6="no"
     fi],
-      [want_ipv6=auto])
+   [want_ipv6="auto"])
+
+if test "x${have_ecore_con}" = "xyes" ; then
+
+   # Verify IPV6 availability in headers
    if test "x${want_ipv6}" != "xno" ; then
-         AC_CHECK_TYPES([struct ipv6_mreq], [have_ipv6="yes"], [have_ipv6="no"],
+      AC_CHECK_TYPES([struct ipv6_mreq],
+         [have_ipv6="yes"],
+         [have_ipv6="no"],
          [[
 #ifdef HAVE_NETINET_IN_H
 # include <netinet/in.h>