[linux-yocto] [PATCH] menuconfig, check-lxdiaglog.sh: Allow specification of ncurses location

[Bruce Ashfield]

On 14-09-25 02:26 PM, Yang Shi wrote:
> From: Jason Wessel <jason.wessel at windriver.com>
>
> In some cross build environments such as the Yocto Project build
> environment it provides an ncurses library that is compiled
> differently than the host's version.  This causes display corruption
> problems when the host's curses includes are used instead of the
> includes from the provided compiler are overridden.  There is a second
> case where there is no curses libraries at all on the host system and
> menuconfig will just fail entirely.
>
> The solution is simply to allow an override variable in
> check-lxdialog.sh for environments such as the Yocto Project.  Adding
> a CROSS_CURSES_LIB and CROSS_CURSES_INC solves the issue and allowing
> compiling and linking against the right headers and libraries.
>

Merged.

Bruce

> Signed-off-by: Jason Wessel <jason.wessel at windriver.com>
> cc: Michal Marek <mmarek at suse.cz>
> cc: linux-kbuild at vger.kernel.org
> ---
>   scripts/kconfig/lxdialog/check-lxdialog.sh | 8 ++++++++
>   1 file changed, 8 insertions(+)
>
> diff --git a/scripts/kconfig/lxdialog/check-lxdialog.sh b/scripts/kconfig/lxdialog/check-lxdialog.sh
> index 9d2a4c5..0fd8e96 100644
> --- a/scripts/kconfig/lxdialog/check-lxdialog.sh
> +++ b/scripts/kconfig/lxdialog/check-lxdialog.sh
> @@ -4,6 +4,10 @@
>   # What library to link
>   ldflags()
>   {
> +	if [ "$CROSS_CURSES_LIB" != "" ]; then
> +		echo "$CROSS_CURSES_LIB"
> +		exit
> +	fi
>   	pkg-config --libs ncursesw 2>/dev/null && exit
>   	pkg-config --libs ncurses 2>/dev/null && exit
>   	for ext in so a dll.a dylib ; do
> @@ -21,6 +25,10 @@ ldflags()
>   # Where is ncurses.h?
>   ccflags()
>   {
> +	if [ x"$CROSS_CURSES_INC" != x ]; then
> +		echo "$CROSS_CURSES_INC"
> +		exit
> +	fi
>   	if [ -f /usr/include/ncursesw/curses.h ]; then
>   		echo '-I/usr/include/ncursesw -DCURSES_LOC="<curses.h>"'
>   		echo ' -DNCURSES_WIDECHAR=1'
>