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

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Date:   Sun, 21 May 2017 18:15:53 +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] kconfig: Check for libncurses before menuconfig

Hi Borislav,


2017-05-21 5:33 GMT+09:00 Borislav Petkov <bp@...en8.de>:
> On Sun, May 21, 2017 at 04:38:35AM +0900, Masahiro Yamada wrote:
>> Strange, I could not reproduce this.
>
> Remove libncurses5-dev or whatever it is called on your system and do:
>
> $ make menuconfig
>   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.
> scripts/Makefile.host:124: recipe for target 'scripts/kconfig/mconf.o' failed
> make[1]: *** [scripts/kconfig/mconf.o] Error 1
> Makefile:548: recipe for target 'menuconfig' failed
> make: *** [menuconfig] Error 2


OK, I see.

So, it is $(obj)/mconf.o instead of $(obj)/mconf
that should depend on $(obj)/dochecklxdialog.


Could you change line 199

  $(addprefix $(obj)/,$(lxdialog)): $(obj)/dochecklxdialog

to

  $(addprefix $(obj)/, mconf.o $(lxdialog)): $(obj)/dochecklxdialog

and send v2, please?


This will make sure dochecklxdialog is run before compiling mconf.o
in parallel building.


Thanks!



-- 
Best Regards
Masahiro Yamada