Re: [patch] help for cross compiling lua
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- Subject: Re: [patch] help for cross compiling lua
- From: "Dirk Feytons" <dirk.feytons@...>
- Date: Wed, 5 Mar 2008 14:42:23 +0100
On Wed, Mar 5, 2008 at 5:05 AM, John Hein <jhein@timing.com> wrote:
> A classic way to cross compile tools is override
> things like CC and RANLIB and AR. When trying to build
> lua for an arm-based platform, I employed this technique.
>
> Unfortunately the src/Makefile has 'AR= ar rcu'. So when one
> overrides AR (with the cross platform version, arm-ar), building
> liblua.a fails because the 'rcu' is missing.
>
> I'd like to submit the following patch to fix that issue.
> If there is a better place to submit this, please let me know.
Another classic way is the use of a CROSS_COMPILE variable.
The Makefile then looks something like this:
CC=$(CROSS_COMPILE)gcc
AR=$(CROSS_COMPILE)ar
...
By just setting CROSS_COMPILE to e.g. "mips-linux-uclibc-" you can do
cross compilation while not setting the variable uses your host
compiler (provided your toolchains are appropriately named).
In any case, adding ARFLAGS is certainly useful.
--
Dirk