linux-kernel - Re: [PATCH v2 4/5] kconfig: refactor ncurses package checks for building mconf

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Date:   Sun, 20 May 2018 16:36:59 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Masahiro Yamada <yamada.masahiro@...ionext.com>,
        linux-kbuild@...r.kernel.org
Cc:     "Luis R . Rodriguez" <mcgrof@...e.com>,
        Ulf Magnusson <ulfalizer@...il.com>,
        Sam Ravnborg <sam@...nborg.org>, linux-kernel@...r.kernel.org,
        Thomas Gleixner <tglx@...utronix.de>,
        Philippe Ombredanne <pombredanne@...b.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Arvind Prasanna <arvindprasanna@...il.com>
Subject: Re: [PATCH v2 4/5] kconfig: refactor ncurses package checks for
 building mconf

On 05/20/2018 01:16 AM, Masahiro Yamada wrote:
> The mconf (or its infrastructure, lxdiaglog) depends on ncurses.
> Move and rename check-lxdialog.sh to mconf-cfg.sh to make it work in
> the same way as for qconf and gconf.
> 
> According to Randy's report, we still need to carry the fallback code
> in case the pkg-config fails to find ncurses.
> 
> Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
> ---


> diff --git a/scripts/kconfig/mconf-cfg.sh b/scripts/kconfig/mconf-cfg.sh
> new file mode 100755
> index 0000000..f5fe183
> --- /dev/null
> +++ b/scripts/kconfig/mconf-cfg.sh
> @@ -0,0 +1,38 @@
> +#!/bin/sh
> +# SPDX-License-Identifier: GPL-2.0
> +
> +PKG="ncursesw"
> +PKG2="ncurses"
> +
> +if pkg-config --exists $PKG; then
> +	echo cflags=\"-DNCURSES_WIDECHAR=1 $(pkg-config --cflags $PKG)\"
> +	echo libs=\"$(pkg-config --libs $PKG)\"
> +	exit 0
> +fi
> +
> +if pkg-config --exists $PKG2; then
> +	echo cflags=\"$(pkg-config --cflags $PKG2)\"
> +	echo libs=\"$(pkg-config --libs $PKG2)\"
> +	exit 0
> +fi
> +
> +# Unfortunately, some distributions (e.g. openSUSE) cannot find ncurses
> +# by pkg-config.
> +if [ -f /usr/include/ncursesw/ncurses.h ]; then
> +	echo cflags=\"-DNCURSES_WIDECHAR=1 -I/usr/include/ncursesw\"
> +	echo libs=\"-lncursesw\"
> +	exit 0
> +fi
> +
> +if [ -f /usr/include/ncurses.h ]; then
> +	echo cflags=\"\"
> +	echo libs=\"-lncurses\"
> +	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
> 


-- 
~Randy