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From:   Masahiro Yamada <masahiroy@kernel.org>
To:     linux-kbuild@vger.kernel.org
Cc:     linux-kernel@vger.kernel.org,
        Masahiro Yamada <masahiroy@kernel.org>,
        Nathan Chancellor <nathan@kernel.org>,
        Nick Desaulniers <ndesaulniers@google.com>,
        Nicolas Schier <nicolas@fjasle.eu>
Subject: [PATCH v2 5/5] kbuild: check Make version
Date:   Thu, 24 Nov 2022 00:18:28 +0900
Message-Id: <20221123151828.509565-5-masahiroy@kernel.org>
In-Reply-To: <20221123151828.509565-1-masahiroy@kernel.org>
References: <20221123151828.509565-1-masahiroy@kernel.org>
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This is implemented based on test-le. It will work until GNU Make 10
is released.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---

(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