On Tue, 15 May 2007 22:07:47 +0300 David Harel <[EMAIL PROTECTED]> wrote:
> Greetings, > > > Using kuroo, sometimes I get a notice such as: QA Notice: Package has > poor programming practices which may compile fine but exhibit random > runtime failures. Any idea what trigers such as message? > I found an answer at http://sources.gentoo.org/viewcvs.py/portage/main/trunk/doc/qa.docbook?rev=5734 The relevant section, lightly edited (but unaltered), follows: || This warning crops up when code starts casting distinct pointer types || and then dereferencing them. Generally, this is a violation of || aliasing rules which are part of the C standard. Historically, these || warnings did not show up as the optimization was not turned on by || default. With gcc-4.1.x and newer though, the -O2 optimization level || enables strict aliasing support. || || For information, please review these links: || NetBSD Explination: || http://mail-index.netbsd.org/tech-kern/2003/08/11/0001.html || Gentoo Dev Thread: || http://thread.gmane.org/gmane.linux.gentoo.devel/39495 || GCC Docs: || http://gcc.gnu.org/bugs.html#nonbugs_c The programs will probably still work fine; I've seen that error before, but have been using those packages anyway, with no descernable consequences. -- [EMAIL PROTECTED] mailing list
