On Wed, Sep 09, 2026 at 09:11:54AM +0200, Maxime Chevallier (Netdev Foundation) wrote: > After the blamed commit, running a out-of-tree build for ynltool fails : > > # make -C tools/net/ynl/ynltool O=/tmp/o1 > make: Entering directory 'tools/net/ynl/ynltool' > make: *** No rule to make target '/tmp/o1/json_writer.o', needed by > '/tmp/o1/ynltool'. Stop. > > ynltool's Makefile correctly accounts for $(OUTPUT) to get the list of > object files to generate : > > OBJS := $(patsubst %.c,$(OUTPUT)%.o,$(SRCS)) > > but it never actually set $(OUTPUT) before the blamed commit, meaning > that out-of-tree buils of ynltool were always actually in-tree. > > Now, the O= parameter is correctly accounted for, and the %o: %c rule fails. > > Let's update the %o: %c rule to also use $(OUTPUT). > > Reported-by: Bobby Eshleman <[email protected]> > Closes: > https://lore.kernel.org/all/[email protected]/ > Fixes: 917f713b4ec4 ("tools: ynl: Allow cross-compiling ynl and associated > tools") > Signed-off-by: Maxime Chevallier (Netdev Foundation) > <[email protected]> > --- > Targetting net-next, as the blamed commit lives there. > > tools/net/ynl/ynltool/Makefile | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/tools/net/ynl/ynltool/Makefile b/tools/net/ynl/ynltool/Makefile > index b8c67cdb4fdf..1053e7606c86 100644 > --- a/tools/net/ynl/ynltool/Makefile > +++ b/tools/net/ynl/ynltool/Makefile > @@ -31,7 +31,7 @@ $(YNLTOOL): ../libynl.a $(OBJS) > $(Q)echo -e "\tLINK $@" > $(Q)$(CC) $(CFLAGS) -o $@ $(OBJS) ../libynl.a -lm > > -%.o: %.c ../libynl.a > +$(OUTPUT)%.o: %.c ../libynl.a > $(Q)echo -e "\tCC $@" > $(Q)$(COMPILE.c) -MMD -c -o $@ $< > > -- > 2.55.0 >
Reviewed-by: Bobby Eshleman <[email protected]>

