That solves the problem. Thanks.

On Fri, Jan 10, 2014 at 7:47 PM, Brandon Allbery <[email protected]>wrote:

> On Fri, Jan 10, 2014 at 9:53 PM, Shiyuan <[email protected]> wrote:
>
>>    I am on OS 10.9 Mavericks. I install gcc48 from macport. However, I
>> got the follow error when I compile HelloWorld. What might go wrong?
>> Thanks.
>>
>
> wchar.h is part of the Xcode command line tools package. If you got gcc48
> from a prebuilt package instead of locally built, you may never have gotten
> the Xcode 5 command line tools (which may be auto-installed the first time
> something invokes `clang`) and may be missing system include files.
>
> `xcode-select --install` should force installation of the command line
> tools.
>
> --
> brandon s allbery kf8nh                               sine nomine
> associates
> [email protected]
> [email protected]
> unix, openafs, kerberos, infrastructure, xmonad
> http://sinenomine.net
>
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