why free quantum codes are so hard to settup?

Just Got Here	2:40:24 PM PST - Fri, Dec 5th 2014 Nwchem is propably a great code, but the main drawback is how to settup it! You have really to work hard to make nwchem easy to settup. I dont have either red hat , or suse: only fedora. But I just cannot compile although all packages and libraries (mpich, python, gcc, etc) are on my workstation. This is as frustrating as annoying! I had the same problem with gamess: just impossible to settup on windows, and possible on fedora after one month of trying hard!

Just Got Here	1:58:57 AM PST - Sat, Dec 6th 2014 cannot settup on fedora 19 I tried on fedora 19 and when i use the command make , this is the error message: test \! -f 64_to_32 -o \! -f 32_to_64 || rm -f 64_to_32 32_to_64 test -d /home/patrice/nwchem-6.5/lib/LINUX64 || mkdir -p /home/patrice/nwchem-6.5/lib/LINUX64 Making libraries in tools test -d /home/patrice/nwchem-6.5/bin/LINUX64 || mkdir -p /home/patrice/nwchem-6.5/bin/LINUX64 ./util/util_nwchem_version.bash make: execvp: ./util/util_nwchem_version.bash : Permission non accordée make: *** [directories] Erreur 127 make: *** Attente des tâches non terminées.... make[1]: AVERTISSEMENT : -jN forcé dans un submake : désactivation du mode serveur de tâches. Configuring Parallel Tools **** /bin/sh: ../util/util_ga_version.bash: Permission non accordée make[1]: *** [build/config.status] Erreur 126 make: *** [libraries] Erreur 1

Forum Vet	11:17:38 AM PST - Mon, Dec 8th 2014 Dear Patrice As an alternative, you might want to try to install the RPM binaries of NWChem. For example: https://archive.fedoraproject.org/pub/fedora/linux/updates/20/x86_64/nwchem-6.5.26243-13.f... https://archive.fedoraproject.org/pub/fedora/linux/updates/20/x86_64/nwchem-common-6.5.262... https://archive.fedoraproject.org/pub/fedora/linux/updates/20/x86_64/nwchem-mpich-6.5.2624... More details at http://nwchemgit.github.io/index.php/Download#NWChem_availability_in_Linux_distributions

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