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

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Message-ID: <20080428015151.GW20457@bakeyournoodle.com>
Date:	Mon, 28 Apr 2008 11:51:51 +1000
From:	tony@...eyournoodle.com (Tony Breeds)
To:	timur@...escale.com
Cc:	linux-kernel@...r.kernel.org
Subject: Re: cross-compiling on OS X, make menuconfig fails

On Sun, Apr 27, 2008 at 08:34:46PM -0500, timur@...escale.com wrote:
> I'm trying to cross-compile a PowerPC kernel from an Intel OS X system. 

<snip>
 
> However, I do not think that ncurses is the real problem, since I do 
> have ncurses installed.  I think the real problem is that the 
> check-lxdialog.sh is trying to execute this code:
> 
> echo -e ' #include CURSES_LOC \n main() {}' | gcc 
> '-DCURSES_LOC=<ncurses.h>' -DLOCALE -DKBUILD_NO_NLS -lncurses -xc - -o 
> .lxdialog.tmp
> 
> And the compiler is failing with this output:
> 
> <stdin>:1: error: syntax error before ‘-’ token
> <stdin>:1: error: stray ‘#’ in program

On most linux systems echo supports c-syle escapes with "-e".  I'm
guessing which ever echo you're getting dosesn't do that.

I think the best fix is to ensure you're getting bash as your shell.

A nasty hack would be to make check-lxdialog.sh do something like:
(echo ' #include CURSES_LOC';echo 'main() {}') | gcc '-DCURSES_LOC=<ncurses.h>' -DLOCALE -DKBUILD_NO_NLS -lncurses -xc - -o .lxdialog.tmp

But you'll likley find other palces it breaks.

Yours Tony

  linux.conf.au    http://www.marchsouth.org/
  Jan 19 - 24 2009 The Australian Linux Technical Conference!

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