linux-kernel - Re: [PATCH v2 5/5] kconfig: refactor ncurses package checks for building nconf

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Date:   Mon, 21 May 2018 13:48:59 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Randy Dunlap <rdunlap@...radead.org>
Cc:     Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        "Luis R . Rodriguez" <mcgrof@...e.com>,
        Ulf Magnusson <ulfalizer@...il.com>,
        Sam Ravnborg <sam@...nborg.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 5/5] kconfig: refactor ncurses package checks for
 building nconf

2018-05-21 8:41 GMT+09:00 Randy Dunlap <rdunlap@...radead.org>:
> On 05/20/2018 01:16 AM, Masahiro Yamada wrote:
>> Building nconf requires ncurses, but its presence is not checked.
>> Check and configure necessary packages by a shell script like the
>> other GUI frontends.
>>
>> Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
>> ---
>>
>
>> diff --git a/scripts/kconfig/nconf-cfg.sh b/scripts/kconfig/nconf-cfg.sh
>> new file mode 100644
>> index 0000000..8eb7948
>> --- /dev/null
>> +++ b/scripts/kconfig/nconf-cfg.sh
>> @@ -0,0 +1,34 @@
>> +#!/bin/sh
>> +# SPDX-License-Identifier: GPL-2.0
>> +
>> +PKG="ncursesw menuw panelw"
>> +PKG2="ncurses menu panel"
>> +
>> +if pkg-config --exists $PKG; then
>> +     echo libs=\"$(pkg-config --libs $PKG)\"
>> +     exit 0
>> +fi
>> +
>> +if pkg-config --exists $PKG2; then
>> +     echo libs=\"$(pkg-config --libs $PKG2)\"
>> +     exit 0
>> +fi
>> +
>
> I guess this one needs clags, especially -I, like the mconf patch contains...



I thought so.

But, the current scripts/kconfig/Makefile
adds 'pkg-config --libs' to nconf,
but does nothing about 'pkg-config --cflags' for nconf.
Therefore, I kept the current behavior just in case.


The nconfig in the current version is not working for you, right?




>
>> +# Unfortunately, some distributions (e.g. openSUSE) cannot find ncurses
>> +# by pkg-config.
>> +if [ -f /usr/include/ncursesw/ncurses.h ]; then
>> +     echo libs=\"-lncursesw -lmenuw -lpanelw\"
>> +     exit 0
>> +fi
>> +
>> +if [ -f /usr/include/ncurses.h ]; then
>> +     echo libs=\"-lncurses -lmenu -lpanel\"
>> +     exit 0
>> +fi
>> +
>> +echo >&2 "*"
>> +echo >&2 "* Unable to find the ncurses."
>
>                               the ncurses package."
>
>> +echo >&2 "* Install ncurses (ncurses-devel or libncurses-dev"
>> +echo >&2 "* depending on your distribution)"
>
>                                  distribution)."
>
>> +echo >&2 "*"
>> +exit 1
>>



-- 
Best Regards
Masahiro Yamada