On 2016-08-16 13:40, Lars Persson wrote: > We need to filter out also -I=/path to allow sysroot relative > include paths in the makefiles of external modules. > > Signed-off-by: Lars Persson <lar...@axis.com> > --- > scripts/Kbuild.include | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include > index 1792198..ffe5c6c 100644 > --- a/scripts/Kbuild.include > +++ b/scripts/Kbuild.include > @@ -206,7 +206,7 @@ hdr-inst := -f $(srctree)/scripts/Makefile.headersinst obj > # Prefix -I with $(srctree) if it is not an absolute path. > # skip if -I has no parameter > addtree = $(if $(patsubst -I%,%,$(1)), \ > -$(if $(filter-out -I/% -I./% -I../%,$(1)),$(patsubst > -I%,-I$(srctree)/%,$(1)),$(1))) > +$(if $(filter-out -I/% -I./% -I../% -I=%,$(1)),$(patsubst > -I%,-I$(srctree)/%,$(1)),$(1)))
Hi Lars, Two questions: 1) Where is the -I=/... syntax documented? I could not find it gcc docs. 2) Why do these Makefiles use --sysroot at all? The kernel does not use any system libraries and the host programs are compiled for the host architecture. Michal
