Update macosx vm setup script for libomp config.

misc/continuous_integration/ci.inria.fr/macosx/setup_macosx_for_faust.sh

@@ -29,6 +29,7 @@ sudo ln -sf /opt/local/lib/libmatio.a /usr/local/lib/
 yes | port install libomp-devel libomp 
 ### 4. Install and configure clang compiler environment (and OpenMP)
 port -f activate libomp
+sudo cp /opt/local/lib/libomp/libomp.dylib /opt/local/lib/libomp/libomp_macports.dylib # needed for ci package jobs
 yes | port install clang-8.0
 echo 'export OpenMP_INC_DIR=/opt/local/include/libomp' >> /Users/ci/.bash_profile
 echo 'export OpenMP_gomp_LIBRARY=/opt/local/lib/libomp/libgomp.dylib' >> /Users/ci/.bash_profile
@@ -58,7 +59,7 @@ echo "Please manually install matlab by copying directly the directory from /Vol
 echo "First, a DATA storage volume must be created and attached to the VM instance (use command: diskutil mount)."
 echo "Finally add matlab to the PATH (in .bash_profile)."
 echo "It is also useful to symlink the matlab binary in /usr/bin/ for the root user env. to be OK for installing/testing the pkg (postinstall script needs to find matlab)."
-echo "Other need about matlab OpenMP: you need to copy the library as for example: ciosx:~ ci$ cp /Volumes/Untitled/MATLAB_R2018b.app/sys/os/maci64/libiomp5.dylib /opt/local/lib/libomp/"
+echo "Other need about matlab OpenMP: you need to copy the library as for example: ciosx:~ ci$ cp /Volumes/Untitled/MATLAB_R2018b.app/sys/os/maci64/libiomp5.dylib /opt/local/lib/libomp/libiomp5_matlab.dylib"
 echo "ABOUT SUDO: add this line in /etc/sudoers: ci ALL=(ALL:ALL) NOPASSWD: ALL (this way the runner won't need to type the password for running commands as root)"
 #echo "WARNING: the matlab installer link is likely to fail"
 #wget "https://esd.mathworks.com/R2018b/R2018b/installers/web/matlab_R2018b_maci64.dmg.zip?__gda__=1608282997_72bccb4cda14022857f8691914aea21a&dl_id=aYudAe6N&ext=.zip" || echo "the link failed, please update."