[Mplapack-devel] Versions of MPFR and GMP on Ubuntu Linux

[Fletcher, J. P <j.p...@as...>]

I have tried out dynamic linking and find that I get warnings associated with the versions of mpfr and gmp libraries which are being used.

g++ -c -O2 -fopenmp -I/home/fletcher/MPACK/include -I/home/fletcher/MPACK/include/mpack -I/home/fletcher/MPACK/include/qd trial_mpcomplex.cpp
g++ -o  trial_mpcomplex trial_mpcomplex.o -fopenmp -L/home/fletcher/MPACK/lib -lmlapack_mpfr -lmblas_mpfr -lmpfrcxx -lmpc -lmpfr -lgmp
/usr/bin/ld: warning: libmpfr.so.4, needed by /usr/local/lib/libmpc.so, may conflict with libmpfr.so.1
/usr/bin/ld: warning: libgmp.so.10, needed by /usr/local/lib/libmpc.so, may conflict with libgmp.so.3
On inspection libmpr.so.1 and libgmp.so.3 are located in /usr/lib and are the ones installed by the operating system:

fletcher@fletcher-desktop:~$<mailto:fletcher@fletcher-desktop:~$> apt-cache policy libgmp3c2
libgmp3c2:
  Installed: 2:4.3.2+dfsg-1ubuntu1
  Candidate: 2:4.3.2+dfsg-1ubuntu1
  Version table:
 *** 2:4.3.2+dfsg-1ubuntu1 0
        500 http://gb.archive.ubuntu.com/ubuntu/ lucid/main Packages
        100 /var/lib/dpkg/status
fletcher@fletcher-desktop:~$<mailto:fletcher@fletcher-desktop:~$> apt-cache policy libmpfr1ldbl
libmpfr1ldbl:
  Installed: 2.4.2-3ubuntu1
  Candidate: 2.4.2-3ubuntu1
  Version table:
 *** 2.4.2-3ubuntu1 0
        500 http://gb.archive.ubuntu.com/ubuntu/ lucid/main Packages
        100 /var/lib/dpkg/status
The ones in /usr/local/lib I think have been installed by MPACK (libgmp.so.10 and libmpfr.so.4) as they were updated when I did a rebuild of MPACK.

It is not unusual to have this sort of problem with Ubuntu as it follows Debian in using /usr/lib where other systems use /usr/local/lib.

Is there anything I can do to resolve this.

I don't want to remove the versions in /usr/lib as they are likely to be used by other software, such as gcc.

Thank you

John