[PATCH v3 5/5] kbuild: check Make version

From: Masahiro Yamada
Date: Sat Nov 26 2022 - 17:57:02 EST


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

Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx>
Reviewed-by: Nicolas Schier <nicolas@xxxxxxxxx>
---

(no changes since v1)

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

diff --git a/Makefile b/Makefile
index 60ce9dcafc72..797fafbc1b45 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