* Added configure options that allow building universal binaries.

git-svn-id: svn://rakshasa.no/libtorrent/trunk/rtorrent@889 e378c898-3ddf-0310-93e7-cc216c733640

configure.ac

@@ -17,6 +17,9 @@ AC_SYS_LARGEFILE
 TORRENT_CHECK_EXECINFO()
 TORRENT_OTFD()
 
+TORRENT_ENABLE_ARCH
+TORRENT_WITH_SYSROOT
+
 TORRENT_WITHOUT_VARIABLE_FDSET()
 TORRENT_WITHOUT_NCURSESW()
 TORRENT_WITHOUT_STATVFS()

scripts/common.m4

@@ -48,6 +48,52 @@ AC_DEFUN([TORRENT_ENABLE_EXTRA_DEBUG], [
 ])
 
 
+AC_DEFUN([TORRENT_WITH_SYSROOT], [
+  AC_ARG_WITH(sysroot,
+    [  --with-sysroot=PATH     compile and link with a specific sysroot.],
+    [
+      AC_MSG_CHECKING(for sysroot)
+
+      if test "$withval" = "no"; then
+        AC_MSG_RESULT(no)
+
+      elif test "$withval" = "yes"; then
+        AC_MSG_RESULT(not a path)
+        AC_MSG_ERROR(The sysroot option must point to a directory, like f.ex "/Developer/SDKs/MacOSX10.4u.sdk".)
+      else
+        AC_MSG_RESULT($withval)
+        
+        CXXFLAGS="$CXXFLAGS -isysroot $withval"
+        LDFLAGS="$LDFLAGS -Wl,-syslibroot,$withval"
+      fi
+    ])
+])
+
+
+AC_DEFUN([TORRENT_ENABLE_ARCH], [
+  AC_ARG_ENABLE(arch,
+    [  --enable-arch=ARCH        comma seprated list of architectures to compile for.],
+    [
+      AC_MSG_CHECKING(for target architectures)
+
+      if test "$enableval" = "yes"; then
+        AC_MSG_ERROR(no arch supplied)
+
+      elif test "$enableval" = "no"; then
+        AC_MSG_RESULT(using default)
+
+      else
+        AC_MSG_RESULT($enableval)
+
+        for i in `IFS=,; echo $enableval`; do
+          CXXFLAGS="$CXXFLAGS -arch $i"
+          LDFLAGS="$LDFLAGS -arch $i"
+        done
+      fi
+    ])
+])
+
+
 AC_DEFUN([TORRENT_OTFD], [
   AC_LANG_PUSH(C++)
   AC_MSG_CHECKING(for proper overloaded template function disambiguation)

src/rpc/xmlrpc.cc

@@ -72,6 +72,7 @@ xmlrpc_call_command(xmlrpc_env* env, xmlrpc_value* args, void* voidServerInfo) {
   if (env->fault_occurred)
     return NULL;
 
+  // Move this into a helper function.
   for (unsigned int i = 0; i != last; i++) {
     xmlrpc_value* value;
     xmlrpc_array_read_item(env, args, i, &value);
@@ -154,6 +155,8 @@ XmlRpc::XmlRpc() : m_env(new xmlrpc_env) {
   xmlrpc_env_init(m_env);
   m_registry = xmlrpc_registry_new(m_env);
 
+  // Add a helper function for this...
+
   xmlrpc_registry_add_method_w_doc(m_env, m_registry, NULL, "call.set_upload_rate", &xmlrpc_call_command, new server_info_t("upload_rate", &m_slotSet), "i:i", "");
   xmlrpc_registry_add_method_w_doc(m_env, m_registry, NULL, "call.get_upload_rate", &xmlrpc_call_command, new server_info_t("upload_rate", &m_slotGet), "i:", "");