Re: [PATCH] cross-compiling lua

[René Rebe <rene@...>]

Hi,

Alexey Zaytsev wrote:
> Hi. I've got a simple patch that lets you cross-compile lua
> without editing the Makefiles, by only adding a single
> variable to the make command line.
>
> diff -ru lua-5.1.3.orig/src/Makefile lua-5.1.3/src/Makefile
> --- lua-5.1.3.orig/src/Makefile 2008-01-19 22:37:58.000000000 +0300
> +++ lua-5.1.3/src/Makefile      2008-07-08 22:19:16.000000000 +0400
> @@ -7,10 +7,10 @@
>  # Your platform. See PLATS for possible values.
>  PLAT= none
>
> -CC= gcc
> +CC= $(CROSS_COMPILE)gcc
>  CFLAGS= -O2 -Wall $(MYCFLAGS)
> -AR= ar rcu
> -RANLIB= ranlib
> +AR= $(CROSS_COMPILE)ar rcu
> +RANLIB= $(CROSS_COMPILE)ranlib
>  RM= rm -f
>  LIBS= -lm $(MYLIBS)
>
>
> Now to compile lua for, say,  the ARM architecture, you perform
> make linux CROSS_COMPILE=arm-linux-
> Assuming your arm cross-toolchain has the arm-linux- prefix.
>
> The default behavior should not change, and you should compile
> natively if the CROSS_COMPILE variable is not set.
>
> Please consider for mainline inclusion.
>   
And when your compiler is not gcc you have to

make CC=arm-qnx-qcc

anyway.

People cross compiled Lua for ages and had no problem so far :-) 99%
of the open source packages do not have this "Linux kernel" cross compile
"interface", anyway.

--
 René Rebe - ExactCODE GmbH - Europe, Germany, Berlin
 http://exactcode.de | http://t2-project.org | http://rene.rebe.name