Hack for compiling on Snow Leopard.

I don't have access to this OS to fix the issue properly, so for the moment
I'm reverting back to 32bit build on Darwin. We changed to native 64bit in
8ddf930901.

Thanks to Johan Dahlberg and Tim Caswell for reporting and debugging this.

deps/udns/configure

@@ -142,6 +142,12 @@ else
 EOF
 fi
 
+# HACK FIXME - use 32bit on Mac
+os=`uname -s`;
+if [ $os = "Darwin"  ]; then
+  CFLAGS="$CFLAGS -m32"
+fi
+
 ac_config_h
 ac_output Makefile
 ac_msg "creating config.status"

wscript

@@ -99,12 +99,24 @@ def configure(conf):
   debug_env.set_variant('debug')
   debug_env.append_value('CCFLAGS', ['-DDEBUG', '-g', '-O0', '-Wall', '-Wextra'])
   debug_env.append_value('CXXFLAGS', ['-DDEBUG', '-g', '-O0', '-Wall', '-Wextra'])
+
+  # HACK FIXME - use 32bit on Mac
+  if platform.system() == "Darwin":
+    debug_env.append_value('CCFLAGS', '-m32')
+    debug_env.append_value('CXXFLAGS', '-m32')
+
   conf.write_config_header("config.h")
 
   # Configure default variant
   conf.setenv('default')
   conf.env.append_value('CCFLAGS', ['-DNDEBUG', '-O3'])
   conf.env.append_value('CXXFLAGS', ['-DNDEBUG', '-O3'])
+
+  # HACK FIXME - use 32bit on Mac
+  if platform.system() == "Darwin":
+    conf.env.append_value('CCFLAGS', '-m32')
+    conf.env.append_value('CXXFLAGS', '-m32')
+
   conf.write_config_header("config.h")
 
 def build_udns(bld):
@@ -166,6 +178,9 @@ def build_v8(bld):
   if GuessArchitecture() == "x64":
     arch = "arch=x64"
 
+  # HACK FIXME - use 32bit on Mac
+  if platform.system() == "Darwin": arch = "arch=ia32";
+
   v8 = bld.new_task_gen(
     target = join("deps/v8", bld.env["staticlib_PATTERN"] % "v8"),
     rule=v8rule % (v8dir_tgt, scons, "release", arch),
@@ -177,6 +192,10 @@ def build_v8(bld):
   bld.env_of_name('default')["LIBPATH_V8"] = v8dir_tgt
   bld.env_of_name('default')["LINKFLAGS_V8"] = ["-pthread"]
 
+  # HACK FIXME - use 32bit on Mac
+  if platform.system() == "Darwin":
+    bld.env_of_name('default')["LINKFLAGS_V8"] = ["-pthread", "-m32"]
+
   ### v8 debug
   if bld.env["USE_DEBUG"]:
     deps_tgt = join(bld.srcnode.abspath(bld.env_of_name("debug")),"deps")
@@ -186,6 +205,11 @@ def build_v8(bld):
     bld.env_of_name('debug')["STATICLIB_V8"] = "v8_g"
     bld.env_of_name('debug')["LIBPATH_V8"] = v8dir_tgt
     bld.env_of_name('debug')["LINKFLAGS_V8"] = ["-pthread"]
+
+    # HACK FIXME - use 32bit on Mac
+    if platform.system() == "Darwin":
+      bld.env_of_name('debug')["LINKFLAGS_V8"] = ["-pthread", "-m32"]
+
     v8_debug.rule = v8rule % (v8dir_tgt, scons, "debug", arch)
     v8_debug.target = join("deps/v8", bld.env["staticlib_PATTERN"] % "v8_g")