On Mon, 15 Sept 2025 at 14:53, Thomas Weißschuh <li...@weissschuh.net> wrote: > > On 2025-09-12 12:14:00+0100, Mark Brown wrote: > > On Fri, Sep 12, 2025 at 01:07:58PM +0200, Thomas Weißschuh wrote: > > > > > The Makefile does *not* use -nostdinc, so the nolibc program probably > > > finds the toolchain's glibc asm/hwcap.h. > > > There also doesn't seem to be a static arm64 hwcap header in > > > tools/include in the first place. > > > I am still wondering how this works for the other tests. > > > > make headers_install puts a copy in usr/include, probably we just need > > to include that in the include path. > > Naresh, could you test the patch below? > The other custom $(CC) rules in the gcs directory are also not > respecting $(CFLAGS), but I'll leave these for now.
I have applied this patch on top of Linux next-20250912 tag and tested and reported build regressions got fixed. Tested-by: Linux Kernel Functional Testing <l...@linaro.org> > diff --git a/tools/testing/selftests/arm64/gcs/Makefile > b/tools/testing/selftests/arm64/gcs/Makefile > index d2f3497a9..1fbbf0ca1 100644 > --- a/tools/testing/selftests/arm64/gcs/Makefile > +++ b/tools/testing/selftests/arm64/gcs/Makefile > @@ -14,11 +14,11 @@ LDLIBS+=-lpthread > include ../../lib.mk > > $(OUTPUT)/basic-gcs: basic-gcs.c > - $(CC) -g -fno-asynchronous-unwind-tables -fno-ident -s -Os -nostdlib \ > - -static -include ../../../../include/nolibc/nolibc.h \ > + $(CC) $(CFLAGS) -fno-asynchronous-unwind-tables -fno-ident -s > -nostdlib -nostdinc \ > + -static -I../../../../include/nolibc -include > ../../../../include/nolibc/nolibc.h \ > -I../../../../../usr/include \ > -std=gnu99 -I../.. -g \ > - -ffreestanding -Wall $^ -o $@ -lgcc > + -ffreestanding $^ -o $@ -lgcc > > $(OUTPUT)/gcs-stress-thread: gcs-stress-thread.S > $(CC) -nostdlib $^ -o $@ > - Naresh
