[PATCH 6/6] kbuild: check Make version

[Masahiro Yamada]

This is implemented based on test-le. It will work until GNU Make 10
is released.

Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx>
---

 Makefile | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Makefile b/Makefile
index 93e5749ace55..979363590bd7 100644
--- a/Makefile
+++ b/Makefile
@@ -368,6 +368,9 @@ else # !mixed-build
 
 include $(srctree)/scripts/Kbuild.include
 
+# Check for the minimal Make version
+$(if $(call test-lt, $(MAKE_VERSION), 3.82), $(error Make $(MAKE_VERSION) is too old))
+
 # Read KERNELRELEASE from include/config/kernel.release (if it exists)
 KERNELRELEASE = $(call read-file, include/config/kernel.release)
 KERNELVERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION)
-- 
2.34.1