[U-Boot] [PATCH V3 17/32] imximage.cfg: run files through C preprocessor

[Troy Kisky]

On 10/8/2012 6:38 AM, Stefano Babic wrote:
> On 04/10/2012 03:47, Troy Kisky wrote:
>> The '#' used as comments in the files cause the preprocessor
>> trouble, so change to /* */.
>>
>> Signed-off-by: Troy Kisky <troy.kisky at boundarydevices.com>
>> ---
> Hi Troy,
>
>>   Makefile                                     |    3 +-
>>   board/esg/ima3-mx53/imximage.cfg             |  120 ++++++-----
>>   board/freescale/imx/ddr/mx6q_4x_mt41j128.cfg |   90 ++++----
>>   board/freescale/mx25pdk/imximage.cfg         |   77 +++----
>>   board/freescale/mx51evk/imximage.cfg         |  114 +++++-----
>>   board/freescale/mx53ard/imximage_dd3.cfg     |   83 ++++----
>>   board/freescale/mx53evk/imximage.cfg         |   86 ++++----
>>   board/freescale/mx53loco/imximage.cfg        |   83 ++++----
>>   board/freescale/mx53smd/imximage.cfg         |   83 ++++----
>>   board/freescale/mx6qarm2/imximage.cfg        |   88 ++++----
>>   board/genesi/mx51_efikamx/imximage_mx.cfg    |  132 ++++++------
>>   board/genesi/mx51_efikamx/imximage_sb.cfg    |  126 +++++------
>>   board/ttcontrol/vision2/imximage_hynix.cfg   |  295 ++++++++++++++------------
>>   13 files changed, 727 insertions(+), 653 deletions(-)
>>
> I see the C preprocessor as an optional feature, instead of a rule
> everybody must follow.
>
>> diff --git a/Makefile b/Makefile
>> index a40d4cc..64ff1b8 100644
>> --- a/Makefile
>> +++ b/Makefile
>> @@ -431,7 +431,8 @@ $(obj)u-boot.img:	$(obj)u-boot.bin
>>   		-d $< $@
>>   
>>   $(obj)u-boot.imx:       $(obj)u-boot.bin
>> -		$(obj)tools/mkimage -n  $(CONFIG_IMX_CONFIG) -T imximage \
>> +		$(CC) -E -x c $(CONFIG_IMX_CONFIG) -I./include -o $(obj)imxcfg.imx
>> +		$(obj)tools/mkimage -n  $(obj)imxcfg.imx -T imximage \
>>   		-e $(CONFIG_SYS_TEXT_BASE) -d $< $@
> In fact, adding this rule here requires that each board configuration
> must be changed. And for all of them, running the preprocessor is
> unnnecessary.
>
> What about to add this rule only to the Makefile of the boards that
> require preprocessing ?
>
> Best regards,
> Stefano Babic
>
That would be great. But I don't know how to accomplish that. Can you 
point to similar magic that
I can try to understand?


Thanks
Troy