Jonathan Adams wrote:
> On Fri, Aug 11, 2006 at 10:30:18AM -0700, Gavin Maltby wrote:
>
>> Joerg Schilling wrote:
>>
>>
>>> This would make OpenSolaris more stable even in the non-cross compilation
>>> case. Note that OpenSolaris does use /usr/include from the host system
>>> instead of using the include files that are specific to the current build
>>>
>> Where that happens for ON it is a bug either in makefiles or in the
>> build environment that control the makefiles. In most cases
>> header files should be found from the proto area of the
>> workspace being built (ENVCPPFLAGS1) or in the proto area
>> of a fully-built parent workspace (ENVCPPFLAGS2). The latter
>> are used particularly for partial builds of your workspace.
>>
>> There is an obscure compiler switch that can stop it automatically
>> appending /usr/include to the search path. If we dig that
>> up (I have it in email from a few years back if all else fails)
>> then we could force compile errors for ON when it uses something
>> from the host system.
>>
>
> -YI,/path/to/replacement/for/usr/include
>
> I've done some of the work for this; I'll see if I can drag out my e-mails
> from a year ago that list all of the wonderful corners.
>
> IIRC, if we can ignore C++ and assembly, it's all quite easy. Fixing C++
> is painful but possible (and I've done it in one workspace), fixing assembly
> required a new option on the assembler. (I filed a bug, but I don't think
> it's been touched)
>
> Getting it to all work on GCC is something I haven't investigated.
>
Gcc can definitely be made to work. :-) I've been using cross-compile
environments with GCC to cross compile whole NetBSD distributions for
MIPS using a build environment running on my Sun Ultra 20 (running
Solaris 10). :-)
-- Garrett
> Cheers,
> - jonathan
>
>
--
Garrett D'Amore, Principal Software Engineer
Tadpole Computer / Computing Technologies Division,
General Dynamics C4 Systems
http://www.tadpolecomputer.com/
Phone: 951 325-2134 Fax: 951 325-2191
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