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meson: Use has_header_symbol() to check getcpu()

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The use of gnu_source_prefix in the detection of getcpu() was
ineffective because the header file that declares getcpu() when
_GNU_SOURCE is defined was not included. Pass sched.h to
has_header_symbol() so that the existence of the declaration will be
properly checked.

Cc: qemu-stable@nongnu.org
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250424-buildsys-v1-1-97655e3b25d7@daynix.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
This commit is contained in:
Akihiko Odaki 2025-04-24 13:50:11 +09:00 • committed by Philippe Mathieu-Daudé
parent 12963e79ca
commit 563cd698df
1 changed files with 2 additions and 1 deletions
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3
meson.build
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@ -2635,7 +2635,6 @@ config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
config_host_data.set('CONFIG_GETCPU', cc.has_function('getcpu', prefix: gnu_source_prefix))
config_host_data.set('CONFIG_SCHED_GETCPU', cc.has_function('sched_getcpu', prefix: '#include <sched.h>'))
# Note that we need to specify prefix: here to avoid incorrectly
# thinking that Windows has posix_memalign()
@ -2713,6 +2712,8 @@ config_host_data.set('CONFIG_FALLOCATE_ZERO_RANGE',
config_host_data.set('CONFIG_FIEMAP',
cc.has_header('linux/fiemap.h') and
cc.has_header_symbol('linux/fs.h', 'FS_IOC_FIEMAP'))
config_host_data.set('CONFIG_GETCPU',
cc.has_header_symbol('sched.h', 'getcpu', prefix: gnu_source_prefix))
config_host_data.set('CONFIG_GETRANDOM',
cc.has_function('getrandom') and
cc.has_header_symbol('sys/random.h', 'GRND_NONBLOCK'))