[OE-core] [discussion] perf: specify SLANG_INC dir for perf

[Richard Purdie]

On Tue, 2012-08-21 at 10:51 +0200, Henning Heinold wrote:
> On Tue, Aug 21, 2012 at 01:08:25PM +0800, Liang Li wrote:
> > --- a/meta/classes/kernel.bbclass
> > +++ b/meta/classes/kernel.bbclass
> > @@ -190,6 +190,9 @@ kernel_do_install() {
> >  	for entry in $bin_files; do
> >  	        rm -f $kerneldir/$entry
> >  	done
> > +
> > +	# Fix SLNAG_INC for slang.h
> > +	sed -i 's#-I/usr/include/slang#-I=/usr/include/slang#g' $kerneldir/tools/perf/Makefile
> Hm,
> 
> is this "-I=" a new special feature of gcc?
> 
> -I/usr/include/slang
> -I=/usr/include/slang

It means the path is relative to any sysroot. It wasn't around for the
first implementations of sysroot but came shortly thereafter. As long as
its gcc 3.4 onwards it should be fine iirc.

Cheers,

Richard