Re: add custom environment variable in bash source code

[Alex fxmbsw7 Ratchev]

On Thu, Aug 18, 2022, 04:10 Dale R. Worley <worley@alum.mit.edu> wrote:

> Sam <sam@cmpct.info> writes:
> > You probably want to edit /etc/ld.so.conf or /etc/ld.so.conf.d/* instead.
>
> The overall concept is that you almost certainly don't want to modify
> the bash source code (and thus executable) to do this.
>
> In general, if you want to have a particular environment variable set
> "all the time", you insert "export X=..." in one of your startup files.
> If you want it visible to everybody, you insert that in one of the
> system startup files.  Depending on exactly what processes you want
> affected and how your OS handles these things determines which file to
> modify.
>
> However, the original question is
>
> > I want to automatically add LD_PRELOAD before starting bash to make
> > this dynamic library work
>
> I see looking at the ld.so manual page:
>
>        /etc/ld.so.preload
>               File  containing  a  whitespace-separated  list  of  ELF
> shared
>               libraries to be loaded before the program.
>
> So if what you want is for all processes to preload a particular
> library, add its name to this file.  Or rather, check how your
> particular OS provides this facility.
>
> Dale
>

i think they mean android nonroot default

fyi asker termux does just change #! to its android path

>