Re: [PATCH] firmware: fix external firmware dependencies

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On 24-01-16, Ahmad Fatoum wrote:
> Hello Sascha,
> 
> On 16.01.24 10:10, Sascha Hauer wrote:
> > A pbl is not rebuilt when the firmware file specified in fw-external-y
> > changes.
> > 
> > $(patsubst %.gen.o,$(obj)/%.extgen.pbl.o, $(pbl-y)) is executed before
> > pbl-y actually contains the contents of fw-external-y. Also we want to
> > do the subsitution only for the external firmware files, not for pbl-y.
> > 
> > To fix this use a intermediate variable pbl-fwext-y instead of pbl-y and
> > initialize it before usage.
> > 
> > Also, use $$(wildcard $(fwdir)/%) instead of $(fwdir)/% to successfully
> > compile when the external firmware file is missing.
> > 
> > Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
> 
> Thanks for fixing!

+1 :)

> Reviewed-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx>

Reviewed-by: Marco Felsch <m.felsch@xxxxxxxxxxxxxx>

> 
> Cheers,
> Ahmad
> 
> 
> 
> > ---
> >  firmware/Makefile | 5 +++--
> >  1 file changed, 3 insertions(+), 2 deletions(-)
> > 
> > diff --git a/firmware/Makefile b/firmware/Makefile
> > index 4c68817fc6..27504e9442 100644
> > --- a/firmware/Makefile
> > +++ b/firmware/Makefile
> > @@ -42,6 +42,7 @@ fwobjdir := $(objtree)/firmware
> >  
> >  pbl-y     := $(addsuffix .gen.o, $(pbl-firmware-y))
> >  obj-pbl-y := $(addsuffix .gen.o, $(firmware-y))
> > +pbl-fwext-y := $(addsuffix .extgen.o, $(fw-external-y))
> >  
> >  FWNAME    = $(patsubst $(obj)/%.extgen.S,%,$(patsubst $(obj)/%.gen.S,%,$@))
> >  FWSTR     = $(subst /,_,$(subst .,_,$(subst -,_,$(FWNAME))))
> > @@ -104,9 +105,9 @@ $(patsubst %.gen.o,$(obj)/%.gen.o, $(obj-pbl-y)): $(obj)/%.gen.o: $(fwdir)/%
> >  # The same for pbl:
> >  .SECONDEXPANSION:
> >  $(patsubst %.gen.o,$(obj)/%.gen.pbl.o, $(obj-pbl-y) $(pbl-y)): $(obj)/%.gen.pbl.o: $$(wildcard $(fwdir)/%)
> > -$(patsubst %.gen.o,$(obj)/%.extgen.pbl.o, $(pbl-y)): $(obj)/%.extgen.pbl.o: $(fwdir)/%
> > +$(patsubst %.extgen.o,$(obj)/%.extgen.pbl.o, $(pbl-fwext-y)): $(obj)/%.extgen.pbl.o: $$(wildcard $(fwdir)/%)
> >  
> > -pbl-y += $(addsuffix .extgen.o, $(fw-external-y))
> > +pbl-y += $(pbl-fwext-y)
> >  
> >  targets := $(patsubst $(obj)/%,%, \
> >                                  $(shell find $(obj) -name \*.gen.S 2>/dev/null))
> 
> -- 
> Pengutronix e.K.                           |                             |
> Steuerwalder Str. 21                       | http://www.pengutronix.de/  |
> 31137 Hildesheim, Germany                  | Phone: +49-5121-206917-0    |
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> 
> 




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