On Fri, Feb 21, 2020 at 9:54 PM Pierre Labastie via lfs-dev <lfs-dev@lists.linuxfromscratch.org> wrote: > > Le 21/02/2020 à 18:29, Tadeus Prastowo via lfs-dev a écrit : > > Hello, > > > > To quote > > http://www.linuxfromscratch.org/lfs/view/development/chapter05/gcc-libstdc++.html: > > > > --disable-libstdcxx-threads > > > > Since we have not yet built the C threads library, the C++ one cannot > > be built either. > > > > End quote. > > > > The option can indeed be removed and gcc-libstdc++ will build fine. > > Furthermore, considering the option `-lrt' given when building the > > perl executable as described in the other thread > > http://lists.linuxfromscratch.org/pipermail/lfs-dev/2020-February/073506.html, > > it seems that the glibc built at > > http://www.linuxfromscratch.org/lfs/view/development/chapter05/glibc.html > > indeed has a thread support, which is against the quoted description. > > > > I think the real reason could be the fact that the libstdcxx-threads > > is simply not needed to build the rest. What do you think? > > > > Actually, glibc has all the bells and whistles it would have in a native > build. The problem at this stage is libgcc.a, which comes with gcc, not with > glibc... And this one has no support for threads.
For sure, libgcc.a (not glibc) is a better explanation. > OTOH, I've not tried without this option for a while, maybe now it is not > needed anymore. No, it is not needed anymore. But, were it needed before? Any recollection to which GCC version needed it? Thanks. > Pierre -- Best regards, Tadeus -- http://lists.linuxfromscratch.org/listinfo/lfs-dev FAQ: http://www.linuxfromscratch.org/faq/ Unsubscribe: See the above information page
