linux-kernel - Re: cross-compiling on OS X, make menuconfig fails

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Date:	Fri, 2 May 2008 23:55:03 -0700
From:	"SL Baur" <steve@...acs.org>
To:	"Sam Ravnborg" <sam@...nborg.org>
Cc:	"Al Viro" <viro@...iv.linux.org.uk>,
	"Timur Tabi" <timur@...escale.com>,
	"Tony Breeds" <tony@...eyournoodle.com>,
	linux-kernel@...r.kernel.org
Subject: Re: cross-compiling on OS X, make menuconfig fails

On 4/29/08, Sam Ravnborg <sam@...nborg.org> wrote:
> >
>  > Good grief, folks...
>
>  Thanks Al.
>  I've queued up the following patch.
>
>         Sam
>
>  commit c99cc32e0d92f5fdbdd39a7f42cfff869062fff5
>  Author: Sam Ravnborg <sam@...nus.ravnborg.org>
>  Date:   Tue Apr 29 20:02:44 2008 +0200
>
>     kconfig: made check-lxdialog more portable
>
>     OS-X shell did not like 'echo -e' so implement
>     suggestion from Al Viro to use a more portable construct.
>
>     Signed-off-by: Sam Ravnborg <sam@...nborg.org>
>     Cc: Al Viro <viro@...IV.linux.org.uk>
>
>  diff --git a/scripts/kconfig/lxdialog/check-lxdialog.sh b/scripts/kconfig/lxdialog/check-lxdialog.sh
>  index 62e1e02..5552154 100644
>  --- a/scripts/kconfig/lxdialog/check-lxdialog.sh
>  +++ b/scripts/kconfig/lxdialog/check-lxdialog.sh
>  @@ -36,8 +36,10 @@ trap "rm -f $tmp" 0 1 2 3 15
>
>   # Check if we can link to ncurses
>   check() {
>  -       echo -e " #include CURSES_LOC \n main() {}" |
>  -           $cc -xc - -o $tmp 2> /dev/null
>  +        $cc -xc - -o $tmp 2>/dev/null <<'EOF'
>
> +#include CURSES_LOC
>  +main() {}
>  +EOF
>
>         if [ $? != 0 ]; then
>             echo " *** Unable to find the ncurses libraries or the"       1>&2
>             echo " *** required header files."                            1>&2

This looks O.K.  As a note, whatever behavior is being described here
is system dependent, because on my installation of that other OS, `echo -e'
works fine whether it is invoked as /bin/bash or /bin/sh which appears to be
a strict copy of /bin/bash.

$ uname -v
Darwin Kernel Version 8.11.1: Wed Oct 10 18:23:28 PDT 2007;
root:xnu792.25.20~1/RELEASE_I386

Reviewed-by: SL Baur <steve@...acs.org>

-sb
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