+Richard On 5/12/21 7:15 PM, Thomas Huth wrote: > Older versions of Clang do not like -fno-delete-null-pointer-checks > or -msoft-float. So let's add a proper check for those. > > Signed-off-by: Thomas Huth <th...@redhat.com> > --- > pc-bios/s390-ccw/Makefile | 7 ++++--- > 1 file changed, 4 insertions(+), 3 deletions(-) > > diff --git a/pc-bios/s390-ccw/Makefile b/pc-bios/s390-ccw/Makefile > index cee9d2c63b..97008d94c9 100644 > --- a/pc-bios/s390-ccw/Makefile > +++ b/pc-bios/s390-ccw/Makefile > @@ -31,10 +31,11 @@ OBJECTS = start.o main.o bootmap.o jump2ipl.o sclp.o > menu.o \ > > QEMU_CFLAGS := -Wall $(filter -W%, $(QEMU_CFLAGS)) > QEMU_CFLAGS += $(call cc-option,-Werror > $(QEMU_CFLAGS),-Wno-stringop-overflow) > -QEMU_CFLAGS += -ffreestanding -fno-delete-null-pointer-checks -fno-common > -fPIE > +QEMU_CFLAGS += -ffreestanding -fno-common -fPIE
OK > QEMU_CFLAGS += -fwrapv -fno-strict-aliasing -fno-asynchronous-unwind-tables > -QEMU_CFLAGS += $(call cc-option, $(QEMU_CFLAGS), -fno-stack-protector) > -QEMU_CFLAGS += -msoft-float > +QEMU_CFLAGS += $(call cc-option,-Werror > $(QEMU_CFLAGS),-fno-delete-null-pointer-checks) > +QEMU_CFLAGS += $(call cc-option,-Werror $(QEMU_CFLAGS),-fno-stack-protector) OK > +QEMU_CFLAGS += $(call cc-option,-Werror $(QEMU_CFLAGS),-msoft-float) For this one I don't understand clang... How to enforce no floating point code generation? > QEMU_CFLAGS += $(call cc-option, $(QEMU_CFLAGS),-march=z900,-march=z10) > QEMU_CFLAGS += -std=gnu99 > LDFLAGS += -Wl,-pie -nostdlib >
