On Mon, 2017-09-11 at 10:28 +0200, Michael Olbrich wrote: > Hi, > > On Sat, Sep 09, 2017 at 10:59:34AM +0200, Erwin Rol wrote: > > I have several (older) CentOS 6.X (and even 5.X :-/ ) systems that have > > bash 4.1.2 which is to old for newer ptxdist releases. > > > > Ptxdist checks for several tools and places links in its $PTXDIR/bin/ > > dir. Tools include cp, ls, awk, and bash. The ptxdist $PTXDIR/bin/ dir > > is placed in PATH so those links in $PTXDIR/bin/ are found first. > > > > But! all ptxdist scripts have "#!/bin/bash" in them, so that bash link > > in $PTXDIR/bin/ is never used. > > > > I have some success by replacing "#!/bin/bash" with "#!/usr/bin/env > > bash" but before I go ahead with that I would like to hear if someone > > already tried that and failed (or succeeded). > > > > BTW the same for the python link, scripts with #!/bin/python will not > > use it. > > I've never tried this, but I had some ideas: > > 1. We already set SHELL=$(PTXDIST_TOPDIR)/bin/bash in > rules/other/Toplevel.make so that handles some of it. > 2. PTXdist itself is a problem. I had some ideas about re-executing ptxdist > if the shell is different from $(PTXDIST_TOPDIR)/bin/bash.
I already have some "wrapper" around ptxdist so I have a bash there and that is first in the path so "#!/usr/bin/env bash" works for me. But that surely isn't a general solution for ptxdist. BTW I found out the awk should be version checked, cause the CentOS 6 awk silently fails, causing the dependencies to be not generated and so building just starts with some random package. In the end things still didn't want to work right. So I ended up creating a chroot where I bind mount everything from the host under host_root. Than create a bin dir and symlink everything from host_root/bin/. Than replace the bash link with the new bash (and the same with the awk). The other dirs like lib, etc, opt I just ln to the dir in host_root. After that I can chroot in it and everything looks like my host but with a new shell and awk. Also had to get a new host GCC (4.4.8 is to old for the toolchain building). But in the end I was able to build the lastest ptxdist toolchain on Centos 6 without changing the host OS. It is like a mini "container", if I would selectively setup usr/lib/ and usr/include it could also be used to prevent pulling in host stuff. - Erwin _______________________________________________ ptxdist mailing list [email protected]
