[Buildroot] [PATCH] imx-lib: new package

[Benoît Thébaudeau]

Dear Arnout Vandecappelle,

On Monday, December 17, 2012 4:50:37 PM, Arnout Vandecappelle wrote:
> On 17/12/12 14:48, Arnout Vandecappelle (Essensium/Mind) wrote:
> > +IMX_LIB_INCLUDE = \
> > +	-I$(LINUX_DIR)/drivers/mxc/security/rng/include \
> > +	-I$(LINUX_DIR)/drivers/mxc/security/sahara2/include \
> > +	-I$(LINUX_DIR)/include
> 
>   Actually, I wonder if this is the right thing to do... This is a
> userspace library that requires a platform-specific linux/xxx.h. For
> an
> external toolchain, these headers don't exist in
> $(STAGING_DIR)/usr/include/linux
> 
>   Directly using $(LINUX_DIR)/include means that the headers are not
> patched for userspace. For those platform-specific headers that's
> probably not a problem, but it's not good for e.g. linux/types.h.
> 
>   An easy workaround is to use -idirafter instead of -I.  However,
> perhaps it's an even better idea to do 'make headers_install' as part
> of
> the normal linux build process, so that packages depending on those
> headers can use the patched version. But then again, is it a good
> idea to
> replace the toolchain's kernel headers with a new set of kernel
> headers?
> 
>   Any advice is welcome!

FYI, I've successfully built the 11.09.01 version under BuildRoot without the
"-I$(LINUX_DIR)/include", and the issue that you mention is only for this
folder. I had to make a patch to make the headers install work, but that should
not be related. Can you try with your package?

Best regards,
Benoît