During Plumbers 2020, we voted to just support the latest release of Clang for now. Add a compile time check for this.
Older clang's may work, but we will likely drop workarounds for older versions. Link: https://github.com/ClangBuiltLinux/linux/issues/9 Link: https://github.com/ClangBuiltLinux/linux/issues/941 Suggested-by: Sedat Dilek <sedat.di...@gmail.com> Signed-off-by: Nick Desaulniers <ndesaulni...@google.com> --- include/linux/compiler-clang.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/include/linux/compiler-clang.h b/include/linux/compiler-clang.h index cee0c728d39a..7338d3ffd240 100644 --- a/include/linux/compiler-clang.h +++ b/include/linux/compiler-clang.h @@ -3,6 +3,14 @@ #error "Please don't include <linux/compiler-clang.h> directly, include <linux/compiler.h> instead." #endif +#define CLANG_VERSION (__clang_major__ * 10000 \ + + __clang_minor__ * 100 \ + + __clang_patchlevel__) + +#if CLANG_VERSION < 100001 +# error Sorry, your compiler is too old - please upgrade it. +#endif + /* Compiler specific definitions for Clang compiler */ /* same as gcc, this was present in clang-2.6 so we can assume it works -- 2.28.0.297.g1956fa8f8d-goog
