Am 17.03.2011 14:07, schrieb Konstantin Tokarev:
17.03.2011, 15:39, "Konstantin Tokarev"<annu...@yandex.ru>:
16.03.2011, 11:33, "Alberto Villa"<avi...@freebsd.org>;:
On Wednesday 16 March 2011 09:15:07 Konstantin Tokarev wrote:
From http://clang.llvm.org/docs/LanguageExtensions.html
"In addition to the language extensions listed here, Clang aims to
support
a broad range of GCC extensions."
So GCC extensions may also be considered as missing features.
gcc-isms also means "bad code which is nonetheless supported by gcc"
In this case don't hesitate to file a bug against gcc :)
Not necessarily. If it's a documented extension that you'd allowed (and
even by sticking to the implicit gnu89 language default of GCC) then
you'll hardly hear back anything else than "invalid, works as documented".
Let me elaborate my idea a bit.
One may think that reporting bugs on GCC he supports development of
technology that FreeBSD does not endorse [1]. I don't think so.
1) Latest versions of GCC are more standard-compliant than earlier ones,
and bad written code tends to produce compilation errors with newer GCC.
For example, I've seen lots of legacy code written for GCC 3.x but failing
to compile with 4.x. 4.x branch is also being improved.
This is based on the implicit assumption that the code were to be
compiled with -std=c99 -pedantic-errors [-Wall] or similar. The
majority of upstream packages doesn't follow such a purity paradigm, but
knowingly or unbeknownst use -std=gnu89, and often GNU libc, extensions.
Documented extensions have NOT USUALLY gone away in newer GCC minor
releases.
3) Projects with dead upstreams should be excluded from ports collection
someday, unless maintainers are willing to do "upstream" job. Folks using
That's a separate discussion under the "deprecation campaign" subject.
Please discuss that there.
--
Matthias Andree
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