QEMU build fails with cryptic messages if make is too old: Makefile.ninja:2655: *** multiple target patterns. Stop.
To avoid the confusion it's worth to fail the build right away and print a friendly error message. Signed-off-by: Roman Bolshakov <r.bolsha...@yadro.com> --- Makefile | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Makefile b/Makefile index 8373ddccc9..45d688b87b 100644 --- a/Makefile +++ b/Makefile @@ -4,6 +4,11 @@ ifneq ($(words $(subst :, ,$(CURDIR))), 1) $(error main directory cannot contain spaces nor colons) endif +ifeq ($(filter undefine,$(value .FEATURES)),) +$(error Unsupported Make version: $(MAKE_VERSION). \ + Please use GNU Make 3.82 or above) +endif + # Always point to the root of the build tree (needs GNU make). BUILD_DIR=$(CURDIR) -- 2.28.0
