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Re: [Qemu-devel] [PATCH] Makefile.objs: add dummy rule for .dsl files
From: |
Michael S. Tsirkin |
Subject: |
Re: [Qemu-devel] [PATCH] Makefile.objs: add dummy rule for .dsl files |
Date: |
Sun, 1 Mar 2015 17:50:11 +0100 |
On Fri, Feb 27, 2015 at 07:41:29PM +0100, Paolo Bonzini wrote:
>
>
> On 26/02/2015 17:33, Michael S. Tsirkin wrote:
> > .hex files are created from .dsl files, so
> > cpp adds the dependency %.hex: %.dsl automatically,
> > but fails to add a dummy rule so if .dsl
> > file is missing, make will fail.
> >
> > This happened to us in the past when we
> > removed some dsl files.
> >
> > Create an extra .d file with a dummy dependency.
> >
> > Cc: Peter Maydell <address@hidden>
> > Signed-off-by: Michael S. Tsirkin <address@hidden>
> > ---
> > hw/i386/Makefile.objs | 1 +
> > 1 file changed, 1 insertion(+)
> >
> > diff --git a/hw/i386/Makefile.objs b/hw/i386/Makefile.objs
> > index 45b90a8..7a47914 100644
> > --- a/hw/i386/Makefile.objs
> > +++ b/hw/i386/Makefile.objs
> > @@ -19,6 +19,7 @@ iasl-option=$(shell if test -z "`$(1) $(2) 2>&1 >
> > /dev/null`" \
> > ifdef IASL
> > #IASL Present. Generate hex files from .dsl
> > hw/i386/%.hex: $(SRC_PATH)/hw/i386/%.dsl
> > $(SRC_PATH)/scripts/acpi_extract_preprocess.py
> > $(SRC_PATH)/scripts/acpi_extract.py
> > + $(call quiet-command, echo "$<:" > "$@"-extra.d, " DEP $@")
> > $(call quiet-command, $(CPP) -x c -P $(QEMU_DGFLAGS) $(QEMU_INCLUDES)
> > $< -o $*.dsl.i.orig, " CPP $(TARGET_DIR)$*.dsl.i.orig")
> > $(call quiet-command, $(PYTHON)
> > $(SRC_PATH)/scripts/acpi_extract_preprocess.py $*.dsl.i.orig > $*.dsl.i, "
> > ACPI_PREPROCESS $(TARGET_DIR)$*.dsl.i")
> > $(call quiet-command, $(IASL) $(call iasl-option,$(IASL),-Pn,) -vs -l
> > -tc -p $* $*.dsl.i $(if $(V), , > /dev/null) 2>&1 ," IASL
> > $(TARGET_DIR)$*.dsl.i")
> >
>
> Applied, thanks.
>
> Paolo
Hmm, it turns out while this helps sometimes,
sometimes this results in a hard to debug error
as we try to run preprocessor on the non-existent .dsl.
If not too late, I suggest you drop this one for now.
If too late, probably not worth reverting.
--
MST
- Re: [Qemu-devel] [PATCH] Makefile.objs: add dummy rule for .dsl files,
Michael S. Tsirkin <=