Hi Rob, thanks for this patch! On 26/10/21 19:18, Rob Herring wrote: > The dtschema version check works, but is not that clear when dtschema is > neither installed nor in the PATH. Add a separate check and message if Nit: I think it should say "either not installed or not in the PATH". > dt-doc-validate is not found. > > Cc: Luca Ceresoli <luca@xxxxxxxxxxxxxxxx> > Cc: Masahiro Yamada <masahiroy@xxxxxxxxxx> > Signed-off-by: Rob Herring <robh@xxxxxxxxxx> > --- > Documentation/devicetree/bindings/Makefile | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/Documentation/devicetree/bindings/Makefile b/Documentation/devicetree/bindings/Makefile > index 8d6d912c6a6a..001b4f62b741 100644 > --- a/Documentation/devicetree/bindings/Makefile > +++ b/Documentation/devicetree/bindings/Makefile > @@ -9,6 +9,10 @@ DT_SCHEMA_MIN_VERSION = 2021.2.1 > > PHONY += check_dtschema_version > check_dtschema_version: > + @which $(DT_DOC_CHECKER) >/dev/null || \ > + { echo "Error: '$(DT_DOC_CHECKER)' not found!" \ > + "\nEnsure dtschema python package is installed and in your PATH." \ > + "\nCurrent PATH is:\n$$PATH\n" >&2; false; } You need 'echo -e' for the '\n'. Otherwise looks and works well. -- Luca