>>>>> Iñaki Ucar
>>>>> on Fri, 16 Dec 2022 17:30:25 +0100 writes:
> On Fri, 16 Dec 2022 at 17:06, Martin Maechler
> <maech...@stat.math.ethz.ch> wrote:
>>
>> The CRAN team has found some misbehavior of some of our
>> code running under ATLAS (for BLAS + Lapack).
>>
>> I had successfully built a version of R-4.2.1 linked to
>> ATLAS under Fedora 34 (last June) and that still runs in
>> Fedora 36.
>>
>> However I can not install packages with C source code
>> needing BLAS/Lapack.. I figured that's ok, as indeed
>> that version of R was built with earlier compilers and
>> libraries under F34.
>>
>> So I wanted to "redo" the same thing (which worked), now
>> with F36 and R 4.2.2:
>>
>> inside a build directory (side by side with the unpacked
>> R-4.2.2/ R sources)
>>
>> ../R-4.2.2/configure -C '--with-blas=-L/usr/lib64/atlas
>> -ltatlas'
>>
>> and this "worked along" about 400 lines of output
>> starting with
>>
>> checking build system type... x86_64-pc-linux-gnu
>> checking host system type... x86_64-pc-linux-gnu loading
>> site script '../R-4.2.2/config.site' checking for
>> pwd... /usr/bin/pwd checking whether builddir is
>> srcdir... no checking whether ln -s works... yes checking
>> for ar... ar checking for a BSD-compatible
>> install... /usr/bin/install -c checking for
>> sed... /usr/bin/sed
>>
>> .......................................
>> .......................................
>> .......................................
>> .......................................
>> .......................................
>> ....................................... and ending with
>>
>> checking whether catan exists and is declared... yes
>> checking whether ccosh exists and is declared... yes
>> checking whether csinh exists and is declared... yes
>> checking whether ctanh exists and is declared... yes
>> checking for working ctanh... yes checking whether
>> 'struct tm' includes tm_zone... yes checking whether
>> 'struct tm' includes tm_gmtoff... yes checking for dgemm_
>> in -L/usr/lib64/atlas -ltatlas... no configure: error:
>> BLAS was specified but not available
>> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>>
>> but clearly /usr/lib64/atlas/ is there and contains the
>> (dnf installed) files libtatlas.so.*
>>
>> $ ls -l /usr/lib64/atlas total 24672 lrwxrwxrwx. 1 root
>> root 17 Jan 19 2022 libsatlas.so.3 -> libsatlas.so.3.10
>> -rwxr-xr-x. 1 root root 12581672 Jan 19 2022
>> libsatlas.so.3.10 lrwxrwxrwx. 1 root root 17 Jan 19 2022
>> libtatlas.so.3 -> libtatlas.so.3.10 -rwxr-xr-x. 1 root
>> root 12679024 Jan 19 2022 libtatlas.so.3.10 $
> The unversioned file libtatlas.so is missing here, which
> means that you need to install atlas-devel. Then it should
> work, but let me know if you find more issues.
Embarrassingly, this *was* the simple solution.
Thank you, Iñaki!
Martin
> Iñaki
>> and no, I can't use nm to find symbols in
>> libtatlas.so.3.10 because it is "stripped".
>>
>> I'm glad for hints -- and I could send the 10000 lines
>> long config.log file (just 340k) to someone interested.
>>
>> Thank you in advance, Martin
>>
>> Martin Mächler ETH Zurich and R Core team
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