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compiler_types.h: Add unified __diag_ignore_all for GCC/LLVM

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Add a __diag_ignore_all macro, to ignore warnings for both GCC and LLVM,
without having to specify the compiler type and version. By default, GCC
8 and clang 11 are used. This will be used by bpf subsystem to ignore
-Wmissing-prototypes warning for functions that are meant to be global
functions so that they are in vmlinux BTF, but don't have a prototype.

Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20220304224645.3677453-7-memxor@gmail.com
This commit is contained in:
Kumar Kartikeya Dwivedi
2022-03-05 04:16:43 +05:30
committed by Alexei Starovoitov
parent f014a00bbe
commit 4d1ea705d7
3 changed files with 10 additions and 0 deletions
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3
include/linux/compiler-clang.h
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@@ -90,3 +90,6 @@
#else
#define __diag_clang_11(s)
#endif
#define __diag_ignore_all(option, comment) \
__diag_clang(11, ignore, option)