On Mon, Aug 19, 2024 at 06:02:58PM +0200 Vegard Nossum wrote: > Before this patch, using 'make --always-make' would always result in the > error message about the missing .config being displayed. > > Detect the -B/--always-make flag and leave this rule out, which allows the > rest of the build to proceed. See [1] for an explanation of this particular > construction. Nice catch, thanks. > > [1]: https://www.gnu.org/software/make/manual/make.html#Testing-Flags > > Signed-off-by: Vegard Nossum <vegard.nossum@xxxxxxxxxx> > --- > Makefile | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/Makefile b/Makefile > index 44c02a6f60a14..f09c036daf2f5 100644 > --- a/Makefile > +++ b/Makefile > @@ -757,6 +757,10 @@ ifdef may-sync-config > # because some architectures define CROSS_COMPILE there. > include include/config/auto.conf.cmd > > +ifeq (,$(findstring B,$(firstword -$(MAKEFLAGS)))) As we still also support make v3.80 to v4.0, please use $(short-opts) defined around line 27. > +# This is a dummy target, only meant as a help for the user invoking make. > +# We don't want it to take effect when running 'make --always-make', since > +# that renders the --always-make option effectively useless. > $(KCONFIG_CONFIG): > @echo >&2 '***' > @echo >&2 '*** Configuration file "$@" not found!' > @@ -765,6 +769,7 @@ $(KCONFIG_CONFIG): > @echo >&2 '*** "make menuconfig" or "make xconfig").' > @echo >&2 '***' > @/bin/false > +endif > > # The actual configuration files used during the build are stored in > # include/generated/ and include/config/. Update them if .config is newer than > -- > 2.34.1 >
