>Number: 175930
>Category: misc
>Synopsis: CLang does not define __STDC_ISO_10646__, despite having
>Unicode in wchar_t
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Thu Feb 07 17:50:00 UTC 2013
>Closed-Date:
>Last-Modified:
>Originator: Tim Čas
>Release: 9.1-RELEASE
>Organization:
n/a
>Environment:
FreeBSD tsibsd.tsi 9.1-RELEASE FreeBSD 9.1-RELEASE #0 r243825: Tue Dec 4
09:23:10 UTC 2012 r...@farrell.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC
amd64
>Description:
wchar_t appears to be Unicode, but __STDC_ISO_10646__ is not defined.
Tested with both the core and the ports versions:
FreeBSD clang version 3.1 (branches/release_31 156863) 20120523
Target: x86_64-unknown-freebsd9.0
Thread model: posix
clang version 3.1 (branches/release_31)
Target: amd64-portbld-freebsd9.0
Thread model: posix
Test file:
----------
#include <stdlib.h>
#include <wchar.h>
#include <stdio.h>
int main(void)
{
#ifdef __STDC_ISO_10646__
printf("__STDC_ISO_10646__ defined\n");
#else
printf("__STDC_ISO_10646__ NOT defined\n");
#endif
return 0;
}
>How-To-Repeat:
Compile and run the above test file (here "test.c"):
$ clang test.c -o test
$ ./test
__STDC_ISO_10646__ NOT defined
$ /usr/local/bin/clang test.c -o test
$ ./test
__STDC_ISO_10646__ NOT defined
>Fix:
Have the compiler define the macro to its appropriate value.
>Release-Note:
>Audit-Trail:
>Unformatted:
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