[CMake] [Dev] CMake 2.5-20070519 and tool chain support

[Trevor Kellaway]

Alex,

> > 	SET (CMAKE_SYSTEM_INFO_FILE Windows-Freescale-HC12)
> 
> I wouldn't call the file "Windows-Freescale-HC12", it sounds 
> like it's a compiler for Windows

Ah, OK, but this was on your advice from a previous email (unless I
misunderstood).

I'll use "Freescale-HC12"


> > It is shame I can't specify this as a relative path to 
> > CMAKE_BINARY_DIR, a lot less typing for the users as in my case I'd 
> > like this to be "../toolchain".
> 
> Can't specify what ? 
> Giving the toolchain file as path relativ to you binary dir 
> works here.
> $ cmake -DCMAKE_TOOLCHAIN_FILE=../sdcc-mcs51.cmake .. 

Not the toolchain file, the CMAKE_CMODULE_PATH, if this is a relative
path this won't work when CMake starts changing directories.

The nicest solution would be for it to fallback to an ennvironment
variable.


> >  IF (NOT _INCLUDED_WINDOW_FREESCALE_HC12_OPT_FILE)
> > 	INCLUDE ("${CMAKE_SOURCE_DIR}/Windows-Freescale-HC12-opt.cmake"
> > OPTIONAL RESULT_VARIABLE _INCLUDED_WINDOW_FREESCALE_HC12_OPT_FILE)
> >  ENDIF (NOT _INCLUDED_WINDOW_FREESCALE_HC12_OPT_FILE)
> 
> This part is not required, if you include a file with 
> extension then it is interpreted by default as relative to 
> the current source dir.

Understood.


> > A similar problem occurs in my 
> "Toolchain-Freescale-HC12.cmake" where 
> > I include the platform code based on the system name:
> >
> >        SET (CMAKE_SYSTEM_INFO_FILE 
> > ${CMAKE_SYSTEM_NAME}-Freescale-HC12)
> 
> Is this with current cvs ? I changed some things last 
> thursday so this file will be "configured" into the binary 
> tree and so variables will be replaced with their actual 
> value during the initial cmake invokation. 
> Can you please check ?

I'm using an older dev version, I'll resync now and try again.

> Thanks for testing.

Thanks for the prompt feedback.

 - TrevK