Maybe it is an old compiler issue (I am due to upgrade
soon), but for your information compilation of 122 is
failing under both my native gcc-3.2.3 and the gcc-3.3.2 I
also have installed :

In file included from article-cache.cc:39:
../../pan/general/log.h:34: warning: `class pan::Log' only
defines a private destructor and has no friends
In file included from article-cache.cc:43:
article-cache.h:110: 'uint64_t' is used as a type, but is
not defined as a type.
article-cache.h:118: `uint64_t' was not declared in this
scope article-cache.h:118: syntax error before `)' token
article-cache.cc: In constructor
`pan::ArticleCache::ArticleCache(const pan::StringView&,
unsigned int)': article-cache.cc:142: class
`pan::ArticleCache' does not have any field named `
_current_bytes' article-cache.cc:169: `_current_bytes'
undeclared (first use this function) article-cache.cc:169:
(Each undeclared identifier is reported only once for each
function it appears in.) article-cache.cc: In member
function `void pan::ArticleCache::add(const pan::Quark&,
const pan::StringView&)': article-cache.cc:259: call of
overloaded `resize()' is ambiguous article-cache.h:67:
candidates are: void pan::ArticleCache::resize()
article-cache.h:118:                 void
pan::ArticleCache::resize(...) article-cache.cc: In member
function `void pan::ArticleCache::resize()':
article-cache.cc:292: `uint64_t' undeclared (first use this
function) article-cache.cc:292: syntax error before `('
token article-cache.cc:293: `max_bytes' undeclared (first
use this function) article-cache.cc: At global scope:
article-cache.cc:304: syntax error before `)' token make
[4]: *** [article-cache.o] Error 1 make[4]: Leaving
directory `/usr/src/pan-0.122/pan/data' make[3]: ***
[all-recursive] Error 1 make[3]: Leaving directory
`/usr/src/pan-0.122/pan/data' make[2]: *** [all-recursive]
Error 1 make[2]: Leaving directory `/usr/src/pan-0.122/pan'
make[1]: *** [all-recursive] Error 1 make[1]: Leaving
directory `/usr/src/pan-0.122' make: *** [all] Error 2