diff options
Diffstat (limited to 'target/linux/generic/backport-5.10/005-v5.17-02-Kbuild-move-to-std-gnu11.patch')
| -rw-r--r-- | target/linux/generic/backport-5.10/005-v5.17-02-Kbuild-move-to-std-gnu11.patch | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/target/linux/generic/backport-5.10/005-v5.17-02-Kbuild-move-to-std-gnu11.patch b/target/linux/generic/backport-5.10/005-v5.17-02-Kbuild-move-to-std-gnu11.patch deleted file mode 100644 index 89de9e8df9..0000000000 --- a/target/linux/generic/backport-5.10/005-v5.17-02-Kbuild-move-to-std-gnu11.patch +++ /dev/null @@ -1,60 +0,0 @@ -From b810c8e719ea082e47c7a8f7cf878bc84fa2455d Mon Sep 17 00:00:00 2001 -From: Arnd Bergmann <arnd@arndb.de> -Date: Tue, 8 Mar 2022 22:56:14 +0100 -Subject: [PATCH 2/3] Kbuild: move to -std=gnu11 - -During a patch discussion, Linus brought up the option of changing -the C standard version from gnu89 to gnu99, which allows using variable -declaration inside of a for() loop. While the C99, C11 and later standards -introduce many other features, most of these are already available in -gnu89 as GNU extensions as well. - -An earlier attempt to do this when gcc-5 started defaulting to --std=gnu11 failed because at the time that caused warnings about -designated initializers with older compilers. Now that gcc-5.1 is -the minimum compiler version used for building kernels, that is no -longer a concern. Similarly, the behavior of 'inline' functions changes -between gnu89 using gnu_inline behavior and gnu11 using standard c99+ -behavior, but this was taken care of by defining 'inline' to include -__attribute__((gnu_inline)) in order to allow building with clang a -while ago. - -Nathan Chancellor reported a new -Wdeclaration-after-statement -warning that appears in a system header on arm, this still needs a -workaround. - -The differences between gnu99, gnu11, gnu1x and gnu17 are fairly -minimal and mainly impact warnings at the -Wpedantic level that the -kernel never enables. Between these, gnu11 is the newest version -that is supported by all supported compiler versions, though it is -only the default on gcc-5, while all other supported versions of -gcc or clang default to gnu1x/gnu17. - -Link: https://lore.kernel.org/lkml/CAHk-=wiyCH7xeHcmiFJ-YgXUy2Jaj7pnkdKpcovt8fYbVFW3TA@mail.gmail.com/ -Link: https://github.com/ClangBuiltLinux/linux/issues/1603 -Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> -Acked-by: Marco Elver <elver@google.com> -Acked-by: Jani Nikula <jani.nikula@intel.com> -Acked-by: David Sterba <dsterba@suse.com> -Tested-by: Sedat Dilek <sedat.dilek@gmail.com> -Reviewed-by: Alex Shi <alexs@kernel.org> -Reviewed-by: Nick Desaulniers <ndesaulniers@google.com> -Reviewed-by: Miguel Ojeda <ojeda@kernel.org> -Signed-off-by: Arnd Bergmann <arnd@arndb.de> -Reviewed-by: Nathan Chancellor <nathan@kernel.org> -Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> ---- - Makefile | 2 +- - 1 file changed, 1 insertion(+), 1 deletion(-) - ---- a/Makefile -+++ b/Makefile -@@ -507,7 +507,7 @@ KBUILD_CFLAGS := -Wall -Wundef -Werror - -fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE \ - -Werror=implicit-function-declaration -Werror=implicit-int \ - -Werror=return-type -Wno-format-security \ -- -std=gnu89 -+ -std=gnu11 - KBUILD_CPPFLAGS := -D__KERNEL__ - KBUILD_AFLAGS_KERNEL := - KBUILD_CFLAGS_KERNEL := |