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From: Masahiro Yamada <yamada.masahiro@socionext.com>
To: Borislav Petkov <bp@alien8.de>
Cc: LKML <linux-kernel@vger.kernel.org>,
	Linux Kbuild mailing list <linux-kbuild@vger.kernel.org>
Subject: Re: [PATCH v2] kconfig: Check for libncurses before menuconfig
Date: Mon, 22 May 2017 10:52:51 +0900	[thread overview]
Message-ID: <CAK7LNASV-n7BX8LZONGYuiXfi1_pNf4Zri5cTWzxn=f2x=hrkg@mail.gmail.com> (raw)
In-Reply-To: <20170521094447.m4thpavivflyqtf6@pd.tnic>

2017-05-21 18:44 GMT+09:00 Borislav Petkov <bp@alien8.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@suse.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@suse.de>
> Cc: linux-kbuild@vger.kernel.org
> Link: http://lkml.kernel.org/r/20170409130708.4753-1-bp@alien8.de
> ---
>  scripts/kconfig/Makefile | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile
> index 90a091b6ae4d..eb8144643b78 100644
> --- a/scripts/kconfig/Makefile
> +++ b/scripts/kconfig/Makefile
> @@ -196,7 +196,7 @@ clean-files     += config.pot linux.pot
>
>  # Check that we have the required ncurses stuff installed for lxdialog (menuconfig)
>  PHONY += $(obj)/dochecklxdialog
> -$(addprefix $(obj)/,$(lxdialog)): $(obj)/dochecklxdialog
> +$(addprefix $(obj)/, mconf.o $(lxdialog)): $(obj)/dochecklxdialog
>  $(obj)/dochecklxdialog:
>         $(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOSTLOADLIBES_mconf)
>


Acked-by: Masahiro Yamada <yamada.masahiro@socionext.com>

I will pick it up for v4.13 if it is not applied via kconfig.
I still will somebody can maintain the kconfig subsystem, though.



-- 
Best Regards
Masahiro Yamada

  reply	other threads:[~2017-05-22  1:53 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-09 13:07 [PATCH] kconfig: Check for libncurses before menuconfig Borislav Petkov
2017-05-20 19:38 ` Masahiro Yamada
2017-05-20 20:33   ` Borislav Petkov
2017-05-21  9:15     ` Masahiro Yamada
2017-05-21  9:44       ` [PATCH v2] " Borislav Petkov
2017-05-22  1:52         ` Masahiro Yamada [this message]
2017-06-09 16:24         ` Masahiro Yamada

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