how to set CACHEDEBUG ? - Mailing list pgsql-general

From sunpeng
Subject how to set CACHEDEBUG ?
Date
Msg-id o2y46cc57ac1004232004q9477da1au809108c95d27aad2@mail.gmail.com
Whole thread Raw
Responses Re: how to set CACHEDEBUG ?  (Bruce Momjian <bruce@momjian.us>)
List pgsql-general
I noticed there is a piece of code:
#ifdef CACHEDEBUG
#define InitCatCache_DEBUG2 \
do { \
    elog(.......
} while(0)
#else
#define InitCatCache_DEBUG2
#endif

Now I'd like to set CACHEDEBUG, how to set up it ? where ?
thanks

peng

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