diff mbox series

[6/6] kbuild: check Make version

Message ID	20221118195307.86049-7-masahiroy@kernel.org
State	New
Headers	Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; From: Masahiro Yamada <masahiroy@kernel.org> To: linux-kbuild@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Masahiro Yamada <masahiroy@kernel.org> Subject: [PATCH 6/6] kbuild: check Make version Date: Sat, 19 Nov 2022 04:53:07 +0900 Message-Id: <20221118195307.86049-7-masahiroy@kernel.org> In-Reply-To: <20221118195307.86049-1-masahiroy@kernel.org> References: <20221118195307.86049-1-masahiroy@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk
Series	kbuild: strive to avoid $(shell ...) invocations \| [0/6] kbuild: strive to avoid $(shell ...) invocations [1/6] kbuild: add test-{le,ge,lt,gt} macros [2/6] kbuild: make CONFIG_*_VERSION always 6-digit [3/6] kbuild: implement {gcc,clang}-min-version only with built-in functions [4/6] kbuild: add read-file macro [5/6] kconfig: refactor Makefile to reduce process forks [6/6] kbuild: check Make version

Commit Message

Masahiro Yamada Nov. 18, 2022, 7:53 p.m. UTC

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

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

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

diff mbox series

Patch

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)