linux-kernel - Re: [PATCH v2] kconfig: Check for libncurses before menuconfig

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Message-ID: <CAK7LNATmuLv18m4cg-Y=ZHbZifbjEkBc5j30Afs_P8=5U-_OhQ@mail.gmail.com>
Date:   Sat, 10 Jun 2017 01:24:11 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Borislav Petkov <bp@...en8.de>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>
Subject: Re: [PATCH v2] kconfig: Check for libncurses before menuconfig

2017-05-21 18:44 GMT+09:00 Borislav Petkov <bp@...en8.de>:
> On Sun, May 21, 2017 at 06:15:53PM +0900, Masahiro Yamada wrote:
>> Could you change line 199
>>
>>   $(addprefix $(obj)/,$(lxdialog)): $(obj)/dochecklxdialog
>>
>> to
>>
>>   $(addprefix $(obj)/, mconf.o $(lxdialog)): $(obj)/dochecklxdialog
>>
>> and send v2, please?
>
> Here it is:
>
> ---
> From: Borislav Petkov <bp@...e.de>
> Date: Sun, 9 Apr 2017 15:07:08 +0200
> Subject: [PATCH v2] kconfig: Check for libncurses before menuconfig
>
> There is a check and a nice user-friendly message when the curses
> library is not present on the system and the user wants to do "make
> menuconfig". It doesn't get issued, though. Instead, we fail the build
> when mconf.c doesn't find the curses.h header:
>
>     HOSTCC  scripts/kconfig/mconf.o
>   In file included from scripts/kconfig/mconf.c:23:0:
>   scripts/kconfig/lxdialog/dialog.h:38:20: fatal error: curses.h: No such file or directory
>    #include CURSES_LOC
>                       ^
>   compilation terminated.
>
> Make sure dochecklxdialog gets run before mconf is compiled so that the
> user sees the error message instead:
>
>   $ make menuconfig
>    *** Unable to find the ncurses libraries or the
>    *** required header files.
>    *** 'make menuconfig' requires the ncurses libraries.
>    ***
>    *** Install ncurses (ncurses-devel) and try again.
>    ***
>   scripts/kconfig/Makefile:203: recipe for target 'scripts/kconfig/dochecklxdialog' failed
>   make[1]: *** [scripts/kconfig/dochecklxdialog] Error 1
>   Makefile:548: recipe for target 'menuconfig' failed
>   make: *** [menuconfig] Error 2
>
> Signed-off-by: Borislav Petkov <bp@...e.de>
> Cc: linux-kbuild@...r.kernel.org
> Link: http://lkml.kernel.org/r/20170409130708.4753-1-bp@alien8.de
> ---

Applied to linux-kbuild/fixes.  Thanks!



-- 
Best Regards
Masahiro Yamada