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linux/arch/mips/vdso
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Khem Raj 20fdc2599e mips: Add -std= flag specified in KBUILD_CFLAGS to vdso CFLAGS 
commit 0f4ae7c6ec upstream.

GCC 15 changed the default C standard dialect from gnu17 to gnu23,
which should not have impacted the kernel because it explicitly requests
the gnu11 standard in the main Makefile. However, mips/vdso code uses
its own CFLAGS without a '-std=' value, which break with this dialect
change because of the kernel's own definitions of bool, false, and true
conflicting with the C23 reserved keywords.

  include/linux/stddef.h:11:9: error: cannot use keyword 'false' as enumeration constant
     11 |         false   = 0,
        |         ^~~~~
  include/linux/stddef.h:11:9: note: 'false' is a keyword with '-std=c23' onwards
  include/linux/types.h:35:33: error: 'bool' cannot be defined via 'typedef'
     35 | typedef _Bool                   bool;
        |                                 ^~~~
  include/linux/types.h:35:33: note: 'bool' is a keyword with '-std=c23' onwards

Add -std as specified in KBUILD_CFLAGS to the decompressor and purgatory
CFLAGS to eliminate these errors and make the C standard version of these
areas match the rest of the kernel.

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2025-06-27 11:07:30 +01:00
..
.gitignore .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
config-n32-o32-env.c mips: compat: vdso: Use legacy syscalls as fallback 2019-09-03 15:35:23 +01:00
elf.S mips: Add support for generic vDSO 2019-07-25 21:45:05 -07:00
genvdso.c mm: forbid splitting special mappings 2020-12-15 12:13:41 -08:00
genvdso.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
Kconfig kbuild: LD_VERSION redenomination 2021-02-12 05:12:31 +09:00
Makefile mips: Add -std= flag specified in KBUILD_CFLAGS to vdso CFLAGS 2025-06-27 11:07:30 +01:00
sigreturn.S mips: Add support for generic vDSO 2019-07-25 21:45:05 -07:00
vdso.lds.S MIPS: VDSO: Move disabling the VDSO logic to Kconfig 2020-05-12 10:01:45 +02:00
vgettimeofday.c mips: Fix gettimeofday() in the vdso library 2019-12-02 10:50:37 -08:00