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Sindi wrote:

Diverted from a thread about sqlite.

> Precompiled sqlite3 requires glibc 2.3, as does precompiled MaPiVi photo
> manager and the general purpose 9MB (up from 5MB) opera 9.51 tar.gz (the
> slackware 8.0 package at the opera site might need just glibc 2.2).
>
> Upgrading to 2.3.1 from Slackware 9 the traditional way, to use for
> compiling, requires a 14MB glibc package.  Just running precompiled
> programs requires a 1MB glibc solibs package.

Installing solibs package allowed me to run the precompiled sqlite3.
The precompiled MaPiVi requires glibc 2.3.2 not 2.3.1.
Opera was happy with glibc, but it also wanted libstdc++.so.6 and when I 
made a symlink to another file that looked similar, then it wanted 
libgcc_s.so.1, at which point I decided not to bother with it.

> I will attempt to install the smaller solibs package, and then just the
> includes that go into /usr/include from the full glibc 2.3.1 package (no
> docs, info, man, zoneinfo, other stuff related to internationalization).
> And /usr/lib/libc_nonshared.a which is needed occasionally for
> compiling certain programs.

I then renamed /usr/include to /usr/includeglibc225 and copied the 
includes from glibc2.3.1 to /usr/includeglibc231 and symlinked 
/usr/include to that (to use the new includes but keep the old ones).

When I tried to configure before compiling, two programs told me 
/lib/cpp fails sanity check.    /lib/cpp is symlinked to /usr/bin/cpp.
cpp = C plus plus C++

Do I also have to upgrade some C++ library (from Slackware 9.0) in order 
to compile with the later glibc solibs?

cxxlibs.tgz is in Slackware 7.1
cxxlibs-5.1.0-i486-1.tgz Slackware 8.1 - I updated to it a while back.

cxxlibs-5.0.2-i386-1.tgz Slackware 9.0 looks like an older version
(908K package), - do I need to install it?

> If this messes things up, the fix is to delete the added libraries using
> another version of BL (BL3 to fix BL2) and run ldconfig (or relink by hand
> with ln -s).

I manually relinked and configure works again.  (ldconfig run from another 
BL did not symlink the modified BL libs back to 2.2.5).

> I am hoping the new headers (/usr/include/) can just go on top of the old
> ones. They are plain text and the ones from glibc 2.2.5 worked in uclibc.

I put back the old headers.  The new ones are only about 400K package (at 
my site, put into /usr/lib), which with the solibs means only 1.5MB 
download.  Plus 1MB for cxx if needed.

I would copy BL3 to a spare partition and experiment on it next time.

> Sindi