Hi Sascha, sry. for the delayed answer. On 24-01-17, Sascha Hauer wrote: > On Tue, Jan 16, 2024 at 03:44:16PM +0100, Sascha Hauer wrote: > > Hi Marco, > > > > On Wed, Jan 10, 2024 at 03:59:08PM +0100, Marco Felsch wrote: > > > Currently we depend on the external firmware file since we need it for > > > the sha256sum. But this dependency break the 'optional missing firmware' > > > feature. > > > > > > Fix this by dropping the firmware file prerequisite and instead evaluate > > > the FWNAME_EXISTS variable. If the firmware file does not exist a dummy > > > file is created and the build continues till the linking process (like > > > we do for the other firmware). > > > > > > Signed-off-by: Marco Felsch <m.felsch@xxxxxxxxxxxxxx> > > > --- > > > firmware/Makefile | 6 +++--- > > > images/Makefile | 2 +- > > > scripts/Makefile.lib | 2 +- > > > 3 files changed, 5 insertions(+), 5 deletions(-) > > > > > > diff --git a/firmware/Makefile b/firmware/Makefile > > > index 51d98d54bf14..a07b31caec73 100644 > > > --- a/firmware/Makefile > > > +++ b/firmware/Makefile > > > @@ -41,7 +41,7 @@ fwobjdir := $(objtree)/firmware > > > pbl-y := $(addsuffix .gen.o, $(pbl-firmware-y)) > > > obj-pbl-y := $(addsuffix .gen.o, $(firmware-y)) > > > > > > -FWNAME = $(patsubst $(obj)/%.extgen.S,%,$(patsubst $(obj)/%.gen.S,%,$@)) > > > +FWNAME = $(patsubst $(obj)/%.sum,%,$(patsubst $(obj)/%.extgen.S,%,$(patsubst $(obj)/%.gen.S,%,$@))) > > > > The purpose of this change is not clear to me. You replace the pattern > > %.sum with %, but I don't see how this ever matches. > > Ok, now I see why this is needed. FWNAME works on $@, the filename of > the target of the rule... yes. > > Dropping this change has no visible effect for me. > > > > > FWSTR = $(subst /,_,$(subst .,_,$(subst -,_,$(FWNAME)))) > > > FWNAME_EXISTS = $(if $(wildcard $(fwdir)/$(FWNAME)),1,0) > > > > > > @@ -91,8 +91,8 @@ $(obj)/%.extgen.S: $(obj)/%.sha.bin FORCE > > > $(obj)/%.sha.bin: $(obj)/%.sum FORCE > > > $(call if_changed,sha256bin) > > > > > > -$(obj)/%.sum: $(obj)/% FORCE > > > - $(call if_changed,sha256sum) > > > +$(obj)/%.sum: FORCE > > > + $(if $(findstring 1,$(FWNAME_EXISTS)), $(call if_changed,sha256sum,$(obj)/$*), @touch $@) > > ...and the target here indeed has the pattern %.sum and yes. > I think we should rather use the target stem which you are using > already. Drop FWNAME_EXISTS so this becomes: > > $(if $(wildcard $(fwdir)/$*), $(call if_changed,sha256sum,$(fwdir)/$*),@touch $@) I wasn't considering this but it looks good to me. Now I see the issue with $(obj)/% as well :/ I used the $(obj)/firmware path for my firmware binaries and therefore had no issues with out-of-tree building. Regards, Marco > > Sascha > > -- > Pengutronix e.K. | | > Steuerwalder Str. 21 | http://www.pengutronix.de/ | > 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | > Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | >