Date: Tue, 12 Nov 2013 18:37:39 +0100 From: Dimitry Andric <dim@FreeBSD.org> To: Steve Kargl <sgk@troutmask.apl.washington.edu> Cc: freebsd-current@FreeBSD.org, David Chisnall <theraven@FreeBSD.org> Subject: Re: Are clang++ and libc++ compatible? Message-ID: <E0FE40D9-726C-4501-B31A-3622510C1C68@FreeBSD.org> In-Reply-To: <20131112165422.GA2939@troutmask.apl.washington.edu> References: <20131112163219.GA2834@troutmask.apl.washington.edu> <77CB2B92-216A-4C80-B033-7E582B5F0DFC@FreeBSD.org> <20131112165422.GA2939@troutmask.apl.washington.edu>
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On 12 Nov 2013, at 17:54, Steve Kargl <sgk@troutmask.apl.washington.edu> wrote:
...
> namespace pan
> {
> class Log
> {
> public:
> enum Severity {
> PAN_SEVERITY_INFO = 1,
> PAN_SEVERITY_ERROR = 2,
> PAN_SEVERITY_URGENT = (1<<10)
> };
>
> struct Entry {
> time_t date;
> Severity severity;
> std::deque<Entry> messages;
> std::string message;
> bool is_child;
> Entry() : is_child(false) { }
> };
I think the problem is that the code tries to use std::deque<Entry> as a
member of struct Entry, before it is completely defined. This is not
allowed by the standard, although some libraries (e.g. GNU libstdc++)
apparently permit it for some container types.
You could try to work around it with -fdelayed-template-parsing, but I
am not sure if it will help. Alternatively, compile the code with
libstdc++, or rewrite it to conform. :-)
-Dimitry
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