Michael Osipov commented on SVN-4654:

bq. You mentioned nine-year-old OS ... anyway, do you actually have a 
POSIX-compatible shell that accepts $() on HP-UX 10.20? When I used that back 
in the day, I'm pretty sure the default Korn-like shell only handled backticks.

Just to make sure, I do not intend to run Subversion on such old machines OSes. 
My goal is HP-UX 11.31 on IA64, everything is pretty much unsupported or 
deprecated by HP.

bq. Our configure scripts are supposed to be platform independent, but 
Linux-specific stuff has probably crept in in places, since most people don't 
have access to HP-UX or Solaris or AIX.

I am just trying to make everyone happy.

> configure: command substitution for SVN_REMOVE_STANDARD_LIB_DIRS fails with 
> non-POSIX backticks on HP-UX
> --------------------------------------------------------------------------------------------------------
>                 Key: SVN-4654
>                 URL: https://issues.apache.org/jira/browse/SVN-4654
>             Project: Subversion
>          Issue Type: Bug
>          Components: compile, install
>    Affects Versions: 1.9.4, trunk
>         Environment: $ uname -a
> HP-UX blnn724x B.11.31 U ia64 HP-UX
>            Reporter: Michael Osipov
>         Attachments: SVN-4654.patch, configure.err.tar.gz
> When running {{configure}} on HP-UX, you see several times 
> {{./configure\[4880\]: : Execute permission denied.}} and 
> {{./configure\[4880\]: /lib64:  not found.}}.
> This is caused by having the command substitution perfomed by backticks 
> {{LDFLAGS="`SVN_REMOVE_STANDARD_LIB_DIR(...)`"}} and not with standard POSIX 
> {{$()}}.
> See attached trace output w/o patch and with patch applied.

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