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authorMasahiro Yamada <masahiroy@kernel.org>2022-12-11 11:46:47 +0900
committerMasahiro Yamada <masahiroy@kernel.org>2022-12-13 22:21:14 +0900
commitfccb3d3eda8d19b893e1fd18e8c70b78784b2a72 (patch)
treec7685ee943ebd45f5ce0b34c720393ab3311fca8 /scripts/Makefile.modfinal
parente4412739472b743e18860ad8d979a7ceb3071652 (diff)
kbuild: add test-{ge,gt,le,lt} macros
GNU Make 4.4 introduced $(intcmp ...), which is useful to compare two integers without forking a new process. Add test-{ge,gt,le,lt} macros, which work more efficiently with GNU Make >= 4.4. For older Make versions, they fall back to the 'test' shell command. The first two parameters to $(intcmp ...) must not be empty. To avoid the syntax error, I appended '0' to them. Fortunately, '00' is treated as '0'. This is needed because CONFIG options may expand to an empty string when the kernel configuration is not included. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Acked-by: Palmer Dabbelt <palmer@rivosinc.com> # RISC-V Reviewed-by: Nathan Chancellor <nathan@kernel.org> Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
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