On Aug 9, 2013, at 8:23, Brian D. McGrew <[email protected]> wrote:
> One more questionŠ you know a lot more about port than I so I have a no > reason to doubt when you say it's on by default. But in the port > installed versions when I do a gcc-mp -v, I do not see > --enable-libstdcxx-threads in the configured line. When I do the same on > my hand cranked version, I do see the option on the configured line. Yes. gcc -v just reports back the configure options passed in. Ones that are on by default are not printed unless you actually specified them. --Jeremy > > -b > > > > On 8/9/13 8:17 AM, "Jeremy Huddleston Sequoia" <[email protected]> > wrote: > >> >> On Aug 9, 2013, at 6:27, Brian D. McGrew <[email protected]> wrote: >> >>> Well I could be going in the wrong direction, I'm not the foremost >>> expert >>> on ports yet, but what I do know is this: >>> >>> If I port edit gcc48 and add --enable-libstdcxx-threads and then port >>> install -s gcc48, when I run gcc -v I do see the option that I just >>> added. >>> No question, the option IS there. But the test program still doesn't >>> run. >> >> >> Yes, I would expect there to be no change in behavior since >> --enable-libstdcxx-threads is on by default (thus your adding it has no >> effect other than to show it in 'gcc -v' >> >>> If I rebuild gcc-4.8.1 from source by hand using the same configuration >>> options from gcc-mp -v and add --enable-libstdcxx-threads at >>> configuration >>> time and do a make install over top of the existing gcc-mp, everything >>> works fine. >>> >>> Now I'm really confused. >> >> Yes, something is different between your out-of-tree-build and your >> in-tree build. I'll try to repro your working case and then bisect the >> two. >> >> It would be great if someone without GPL3phobia could look at this. It's >> probably rather simple to triage with source access, but at least having >> a working and broken build configurations from the same sources will let >> me bisect the build configurations. >> >> Thanks, >> Jeremy >> >
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