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| author | Miguel Ojeda <ojeda@kernel.org> | 2025-02-10 17:42:45 +0100 |
|---|---|---|
| committer | Masahiro Yamada <masahiroy@kernel.org> | 2025-03-15 21:19:32 +0900 |
| commit | ac954145e1ee3f72033161cbe4ac0b16b5354ae7 (patch) | |
| tree | 1521b1089ba6b334892364c2f3bc070044293ed5 /Documentation/kbuild | |
| parent | 144fced6852ba11c90560c996e986b4563f089af (diff) | |
| download | linux-next-ac954145e1ee3f72033161cbe4ac0b16b5354ae7.tar.gz linux-next-ac954145e1ee3f72033161cbe4ac0b16b5354ae7.zip | |
kbuild: rust: add rustc-min-version support function
Introduce `rustc-min-version` support function that mimics
`{gcc,clang}-min-version` ones, following commit 88b61e3bff93
("Makefile.compiler: replace cc-ifversion with compiler-specific macros").
In addition, use it in the first use case we have in the kernel (which
was done independently to minimize the changes needed for the fix).
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Reviewed-by: Fiona Behrens <me@Kloenk.dev>
Reviewed-by: Nicolas Schier <n.schier@avm.de>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Diffstat (limited to 'Documentation/kbuild')
| -rw-r--r-- | Documentation/kbuild/makefiles.rst | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/Documentation/kbuild/makefiles.rst b/Documentation/kbuild/makefiles.rst index 25e04e47faff..3b9a8bc671e2 100644 --- a/Documentation/kbuild/makefiles.rst +++ b/Documentation/kbuild/makefiles.rst @@ -667,6 +667,20 @@ cc-cross-prefix endif endif +$(RUSTC) support functions +-------------------------- + +rustc-min-version + rustc-min-version tests if the value of $(CONFIG_RUSTC_VERSION) is greater + than or equal to the provided value and evaluates to y if so. + + Example:: + + rustflags-$(call rustc-min-version, 108500) := -Cfoo + + In this example, rustflags-y will be assigned the value -Cfoo if + $(CONFIG_RUSTC_VERSION) is >= 1.85.0. + $(LD) support functions ----------------------- |