disable parallel install for glib (found races)
disable parallel install for glib (found races)

mfherbst/spack,EmreAtes/spack,TheTimmy/spack,TheTimmy/spack,tmerrick1/spack,iulian787/spack,lgarren/spack,lgarren/spack,EmreAtes/spack,lgarren/spack,LLNL/spack,TheTimmy/spack,EmreAtes/spack,TheTimmy/spack,EmreAtes/spack,krafczyk/spack,skosukhin/spack,iulian787/spack,TheTimmy/spack,mfherbst/spack,LLNL/spack,iulian787/spack,tmerrick1/spack,mfherbst/spack,iulian787/spack,LLNL/spack,mfherbst/spack,krafczyk/spack,skosukhin/spack,matthiasdiener/spack,matthiasdiener/spack,mfherbst/spack,tmerrick1/spack,lgarren/spack,krafczyk/spack,tmerrick1/spack,krafczyk/spack,EmreAtes/spack,matthiasdiener/spack,skosukhin/spack,krafczyk/spack,skosukhin/spack,LLNL/spack,matthiasdiener/spack,LLNL/spack,matthiasdiener/spack,skosukhin/spack,iulian787/spack,lgarren/spack,tmerrick1/spack