----- Original Message -----
From: Brandon Van Every
Date: 2/5/2008 7:23 AM
On Feb 5, 2008 6:50 AM, John Spray <[EMAIL PROTECTED]> wrote:
Is it possible to build certain objects for one architecture and
certain objects for another?
Not in the same build. You'd need 2 different invocations of CMake.
You could have 1 CMake use an execute_process to call the other CMake.
The foreign build would need to output a library that the host build
recognizes as usable. Otherwise you'd have to take over linking
manually with some kind of add_custom_command, however you usually get
it to work. Why do you need the foreign code embedded in the host
library? Wouldn't shipping libraries for multiple platforms be
enough?
I'll give a simple example, if I'm understanding the request. For the
PS3, you link SPU code in the PPU executable. SPU code is just .c/.cpp
files, possibly with libraries linked in. In any case, there are two
separate toolchains needed, one for PPU code and one for SPU code.
In the build system I use for this, it looks something like this:
AddExecutable the_ppu_program :
sourcefile1.c
sourcefile2.c
[ AddSPUProgram spu_program_1 : spufile1.c spufile2.c ]
[ AddSPUProgram spu_program_2 : spufile1.c spufile3.c ]
;
Josh
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