[Buildroot] xlib libXt build problem

[Steve Bennett]

Thanks, our replies crossed.   But using the actual package makes  
sense since I'm building on Ubuntu myself, so I've switched to that now.

Is there any documentation of any other dependencies assumed to be on  
the host?  I know some of the packages I needed just to get started  
(libncurses5-dev, g++, bison, flex, gettext, nasm...), but each one  
has been a research project, although none needed as much research as  
this one.

-->Steve Bennett


On Jul 27, 2009, at 3:50 PM, Thomas Petazzoni wrote:

> Le Mon, 27 Jul 2009 13:30:44 -0400,
> Steve Bennett <sablists at earthlink.net> a écrit :
>
>> I'm making an educated guess that the patch effectively overrides
>> the XLIB_LIBXT_CONF_ENV setting (or something else isn't including
>> that setting), but I'm not sure what the right fix for this is.   A
>> brute force fix would be something like changing the patch to read:
>>
>> 	HOST_CC=gcc -I$(STAGING_DIR)/usr/include
>>
>> ...but is that the correct approach here?  And why hasn't anything
>> regarding this issue come up before?  It seems odd that nobody else
>> is running into this.
>
> I'd say the issue is that makestrs is a program compiled for the host,
> and the way we compile it in Buildroot assumes that the development
> headers for X11 are installed on your host (through your  
> distribution).
> On my Ubuntu system, X11/Xos.h is part of the x11proto-core-dev  
> package.
>
> On my system, this package is installed, so when makestrs gets
> compiled, the host gcc compiler uses /usr/include/X11/Xos.h during the
> compilation.
>
> When building some packages requires things from the host, we have
> currently two different approaches in Buildroot:
>  * for some dependencies, we rebuild it, and install it in $(HOST_DIR)
>  * for some other dependencies, we assume that it is available on the
>    host
>
> Sincerly,
>
> Thomas
> -- 
> Thomas Petazzoni, Free Electrons
> Kernel, drivers and embedded Linux development,
> consulting, training and support.
> http://free-electrons.com
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