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Re: Compiling Squid without log messages

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On 15/01/2015 11:00 p.m., Alan wrote:
> Hello,
> 
> I want to have a minimal Squid installation. So I compiled
> disabling everything I don't need. The resulting /usr/sbin/squid is
> 3.4 Mb.
> 
> Since I don't need logging, I decided to remove that as well, but
> its not easy to do with sed since sometimes log messages span
> multiple lines.
> 
> So I changed the definition for debugs() in Debug.h like this:
> 
> 
> /* Debug stream */ +#ifdef NODEBUG +#define debugs(SECTION, LEVEL,
> CONTENT) ((void)0) +#else #define debugs(SECTION, LEVEL, CONTENT)
> \ do { \ if ((Debug::level = (LEVEL)) <= Debug::Levels[SECTION]) {
> \ @@ -116,6 +119,7 @@ Debug::finishDebug(); \ } \ } while
> (/*CONSTCOND*/ 0) +#endif
> 
> 
> And compiled with -DNODEBUG. The resulting binary is 2.1 Mb, a 60%
> size reduction!
> 
> But it doesn't work properly, and since there is no log, its hard
> to debug.
> 
> A trace shows it accepts requests, makes them to the HTTP server,
> but after that it closes the connection to the HTTP client.
> 
> Any ideas?

Well ... take a guess where to look :-P

If you are disabling anything via manual alteration of the code
instead of the ./configure --disable options (you mention using sed)
then one of the things you *do* need is the debugs() logging.

cache.log / debugs() is not just for debugging either. It is also for
recording major/critical events that you as administrator really,
really need to be made aware of.



Though, on the diagnosis I suggest at least trying with a macro name
other than "NODEBUG". For some reason that macro is used to disable
the assertion handling.


Amos

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