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meson: fix stdatomic detection on bsd

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BSDs use compiler-rt instead of libatomic for atomic types. In this
case, we can handle it similar to how dl is detected. Check for the
library (allowing for it to fail), and then check for a header symbol
while linking latomic. Fixes #10906.
This commit is contained in:
Dudemanguy 2022-11-20 20:37:12 -06:00
parent e1a04cd8ac
commit ead8469454
1 changed files with 4 additions and 3 deletions
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7
meson.build
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@ -716,10 +716,11 @@ if features['sdl2-gamepad']
sources += files('input/sdl_gamepad.c')
endif
stdatomic = cc.find_library('atomic', required: get_option('stdatomic'))
features += {'stdatomic': stdatomic.found()}
stdatomic_dep = cc.find_library('atomic', required: false)
features += {'stdatomic': cc.has_header_symbol('stdatomic.h', 'atomic_int', dependencies: stdatomic_dep,
required: get_option('stdatomic'))}
if features['stdatomic']
dependencies += stdatomic
dependencies += stdatomic_dep
endif
uchardet_opt = get_option('uchardet').require(