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Re: Error in documentation of $ORIGIN in the ld.so man page
- From: "Michael Kerrisk (man-pages)" <mtk dot manpages at gmail dot com>
- To: Jonathan Wakely <jwakely at redhat dot com>, Siddhesh Poyarekar <siddhesh dot poyarekar at gmail dot com>
- Cc: mtk dot manpages at gmail dot com, GNU C Library <libc-alpha at sourceware dot org>, carlos at redhat dot com
- Date: Tue, 28 Oct 2014 14:46:52 +0100
- Subject: Re: Error in documentation of $ORIGIN in the ld.so man page
- Authentication-results: sourceware.org; auth=none
- References: <CAAHN_R0=P=ZxXhGcEMgr60zmH+sh29mg57dm8ccfo82+EyZqhg at mail dot gmail dot com> <20141009181952 dot GD4197 at redhat dot com>
Hello Jonathan and Siddesh,
Thanks for the patch and the report.
I applied the patch. One question, below.
On 10/09/2014 08:19 PM, Jonathan Wakely wrote:
> On 09/10/14 23:18 +0530, Siddhesh Poyarekar wrote:
>> Hi Michael,
>>
>> The ld.so man page says:
>>
>> $ORIGIN (or equivalently ${ORIGIN})
>> This expands to the directory containing the application
>> executable. Thus, an application located in somedir/app could be
>> compiled with
>>
>> which is incorrect since it expands to the directory containing the
>> DSO and not the application executable. This seems like deliberate
>> behaviour in dl-object.c, so it needs to be fixed in the man page.
>> Credit goes to Jon Wakely for finding this[1].
>
> Thanks, Siddhesh, I was just preparing this suggested patch.
>
>
> > diff --git a/man8/ld.so.8 b/man8/ld.so.8
> index a5a7293..ac02df6 100644
> --- a/man8/ld.so.8
> +++ b/man8/ld.so.8
> @@ -92,7 +92,7 @@ understands certain strings in an rpath specification (DT_RPATH or DT_RUNPATH);
> .TP
> .IR $ORIGIN " (or equivalently " ${ORIGIN} )
> This expands to
> -the directory containing the application executable.
> +the directory containing the program or library.
I made this "...program or shared library". Okay?
Thanks,
Michael
> Thus, an application located in
> .I somedir/app
> could be compiled with
--
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Linux/UNIX System Programming Training: http://man7.org/training/