lkml.org 
[lkml]   [2021]   [Jan]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v2 2/2] kbuild: handle excessively long argument lists
On 2021-01-14 17:12, Masahiro Yamada wrote:
> On Fri, Jan 15, 2021 at 6:50 AM Jeff Johnson <jjohnson@codeaurora.org>
> wrote:
>>
>> From: Mahesh Kumar Kalikot Veetil <mkalikot@codeaurora.org>
>>
>> Modules with a large number of compilation units may be
>> exceeding AR and LD command argument list. Handle this gracefully by
>> writing the long argument list in a file. The command line options
>> read from file are inserted in place of the original @file option.
>>
>> The usage is well documented at
>> https://www.gnu.org/software/make/manual/html_node/File-Function.html
>>
>> Signed-off-by: Mahesh Kumar Kalikot Veetil <mkalikot@codeaurora.org>
>> Signed-off-by: Jeff Johnson <jjohnson@codeaurora.org>
>> ---
>
>
>
>
> First, is this a real problem?
> If so, which module is exceeding the command line limit?

On 2021-01-14 17:12, Masahiro Yamada wrote:
> First, is this a real problem?
> If so, which module is exceeding the command line limit?

Mahesh & I appreciate all of the feedback.

The issue is seen in an Android environment with an out-of-tree
driver. The combination of long path names and a large number
of source files is leading to the issue.

Since Mahesh & I are not Kbuild gurus, is there an alternative
solution to this issue?

Jeff

--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora
Forum,
a Linux Foundation Collaborative Project

\
 
 \ /
  Last update: 2021-01-15 21:17    [W:0.158 / U:1.352 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site