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authorMasahiro Yamada <masahiroy@kernel.org>2024-07-04 16:47:55 +0300
committerMasahiro Yamada <masahiroy@kernel.org>2024-07-16 10:07:14 +0300
commit5f99665ee8f4335f334a5292b6d5b41a577fc2c0 (patch)
treea1be6d06311b6ffc5ab7a3f42c1bd436bf9701b0 /scripts
parent712aba5543b88996bc4682086471076fbf048927 (diff)
downloadlinux-5f99665ee8f4335f334a5292b6d5b41a577fc2c0.tar.xz
kbuild: raise the minimum GNU Make requirement to 4.0
RHEL/CentOS 7, popular distributions that install GNU Make 3.82, reached EOM/EOL on June 30, 2024. While you may get extended support, it is a good time to raise the minimum GNU Make version. The new requirement, GNU Make 4.0, was released in October, 2013. I did not touch the Makefiles under tools/ because I do not know the requirements for building tools. I do not find any GNU Make version checks under tools/. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Diffstat (limited to 'scripts')
-rw-r--r--scripts/Kbuild.include2
1 files changed, 1 insertions, 1 deletions
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index faf37bafa3f8..ed8a7493524b 100644
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -68,7 +68,7 @@ kbuild-file = $(or $(wildcard $(src)/Kbuild),$(src)/Makefile)
# Read a file, replacing newlines with spaces
#
# Make 4.2 or later can read a file by using its builtin function.
-ifneq ($(filter-out 3.% 4.0 4.1, $(MAKE_VERSION)),)
+ifneq ($(filter-out 4.0 4.1, $(MAKE_VERSION)),)
read-file = $(subst $(newline),$(space),$(file < $1))
else
read-file = $(shell cat $1 2>/dev/null)