build failure of old GCC: .../libstdc++.so.6: version `GLIBCXX_3.4.30' not found

Vincent Lefevre vincent+gcc@vinc17.org
Mon Jul 4 12:33:31 GMT 2022


On 2022-07-04 13:13:58 +0100, Jonathan Wakely via Gcc-help wrote:
> On Mon, 4 Jul 2022 at 12:58, Vincent Lefevre <vincent+gcc@vinc17.org> wrote:
> >
> > On a Debian/unstable machine, I'm trying to build old GCC, such as
> > one based on 0cc79337ad265aabccab63882a810f9dc509a9d0 (2021-04-20).
> > I'm using
> >
> >   ../gcc-trunk/configure --prefix=$HOME/opt/gcc-trunk \
> >                          --enable-multiarch \
> >                          --enable-languages=c \
> >                          --program-suffix=-test
> >
> > but "make" gives the following error:
> >
> > /usr/bin/msgfmt: /home/vlefevre/software/gcc-build/x86_64-pc-linux-gnu/libstdc++-v3/src/.libs/libstdc++.so.6: version `GLIBCXX_3.4.30' not found (required by /usr/lib/x86_64-linux-gnu/libicuuc.so.71)
> 
> Something is setting LD_LIBRARY_PATH so that the newly-built
> libstdc++.so is being used.

Is the the same bug (or a similar one) as this one?

  https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105688

(though the error doesn't occur at the same place).

> Where in the build does it fail? I don't think LD_LIBRARY_PATH should
> be set until running the testsuites.

[...]
make[5]: Entering directory '/home/vlefevre/software/gcc-build/x86_64-pc-linux-gnu/libstdc++-v3/po'
msgfmt -o de.mo ../../../../gcc-trunk/libstdc++-v3/po/de.po
[...]

If I run "make" from this directory, I don't get any error.

-- 
Vincent Lefèvre <vincent@vinc17.net> - Web: <https://www.vinc17.net/>
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Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)


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