Re: library .tbss mismatches

[Greg Marks <marks@gmarks.org>]

> > On a computer on which, years ago, I installed Pari-GP both from the
> > source tarball and from the Debian Linux repositories, I am unable to
> > compile C programs such as the extgcd.c program in the Pari examples.
> > I get these errors:
> > 
> > $gcc -Wall -O3 -o extgcd extgcd.c -lpari
> > /usr/bin/ld: PARI_SIGINT_block: TLS definition in /usr/lib/gcc/x86_64-linux-gnu/10/../../../x86_64-linux-gnu/libpari.so section .tbss mismatches non-TLS reference in /tmp/ccQUa8Wh.o
> > /usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/10/../../../x86_64-linux-gnu/libpari.so: error adding symbols: bad value
> > collect2: error: ld returned 1 exit status
> > 
> > Is there some simple solution to this problem?
> 
> Dear Greg,
> 
> I suggest:
> 
> gcc -Wall -O3 -o extgcd -I/usr/include/`gcc -print-multiarch`/   extgcd.c -L/usr/lib/ -lpari
> or simply
> gcc -Wall -O3 -o extgcd -I/usr/include/x86_64-linux-gnu/   extgcd.c -L/usr/lib/ -lpari
> 
> (but as a rule, avoid installing complex software in /usr/local/,
> one day or another they will interfer with you distribution)
> 
> Cheers,
> Bill.

Thank you for the suggestion.  Unfortunately, the command

gcc -Wall -O3 -o extgcd -I/usr/include/`gcc -print-multiarch`/ extgcd.c -L/usr/lib/ -lpari

produced the same error.

I then tried reinstalling from source, as follows:

$cd /usr/local/Math_Software/
$wget http://pari.math.u-bordeaux.fr/pub/pari/unix/pari-2.15.3.tar.gz
$gunzip pari-2.15.3.tar.gz
$tar -xvf pari-2.15.3.tar
$cd pari-2.15.3/
$./Configure --prefix=/usr/local/
$make all
$sudo make install

$sudo find / -name pari.h
/usr/local/lib/pari.h
/usr/local/include/pari/pari.h
/usr/local/Math_Software/pari-2.15.3/src/headers/pari.h
/usr/local/Math_Software/pari-2.13.2/src/headers/pari.h
/usr/local/Math_Software/sage-9.4/local/include/pari/pari.h
/usr/local/Math_Software/sage-9.4/local/include/giac/pari.h
/usr/include/giac/pari.h
/usr/include/x86_64-linux-gnu/pari/pari.h

$sudo find / -name libpari.so
/usr/local/lib/libpari.so
/usr/local/Math_Software/pari-2.15.3/Olinux-x86_64/libpari.so
/usr/local/Math_Software/sage-9.4/local/lib/libpari.so
/usr/lib/x86_64-linux-gnu/libpari.so

$sudo find / -name libpari.a
/usr/local/lib/libpari.a
/usr/lib/x86_64-linux-gnu/libpari.a

$cd examples/
$make TARGET=extgcd
/usr/bin/gcc -c -O3 -Wall -ffp-contract=off -fno-strict-aliasing  -I. -I/usr/local//include -fPIC extgcd.c
/usr/bin/gcc -o extgcd -O3 -Wall -ffp-contract=off -fno-strict-aliasing    -Wl,--export-dynamic   extgcd.o  -Wl,-rpath "/usr/local//lib" -lm -L/usr/local//lib -lpari
/usr/bin/ld: /usr/local//lib/libpari.a(ispower.o): in function `logintall':
ispower.c:(.text+0xa42): undefined reference to `log2'
/usr/bin/ld: /usr/local//lib/libpari.a(ispower.o): in function `logint0':
ispower.c:(.text+0x1453): undefined reference to `floor'

[about 800 similar lines followed here]

/usr/bin/ld: /usr/local//lib/libpari.a(polclass.o):polclass.c:(.text+0xb926): more undefined references to `log' follow
/usr/bin/ld: /usr/local//lib/libpari.a(polclass.o): in function `polclass0':
polclass.c:(.text+0xba0e): undefined reference to `sqrt'
/usr/bin/ld: polclass.c:(.text+0xba18): undefined reference to `sqrt'
collect2: error: ld returned 1 exit status
make: *** [Makefile:49: extgcd] Error 1
$cd ..
$sudo make install-bin-sta
$cd examples/
$make TARGET=extgcd

[same error messages]

Anything else I might try?

Best regards,
Greg Marks

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