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Use epoll-shim to emulate epoll(7) on FreeBSD

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FreeBSD does not provide epoll(7) and instead requires an external library,
epoll-shim, that implements epoll() using kqueue(2)

Co-authored-by: Jan Beich <jbeich@FreeBSD.org>
Signed-off-by: Alex Richardson <Alexander.Richardson@cl.cam.ac.uk>
This commit is contained in:
Alex Richardson 2021-03-15 22:18:14 +00:00 • committed by Alexander Richardson
parent 8ec25be6db
commit c65f852fc8
3 changed files with 15 additions and 4 deletions
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10
meson.build
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@ -43,6 +43,14 @@ foreach f: have_funcs
endforeach
if get_option('libraries')
if host_machine.system() == 'freebsd'
# When building for FreeBSD, epoll(7) is provided by a userspace
# wrapper around kqueue(2).
epoll_dep = dependency('epoll-shim')
else
# Otherwise, assume that epoll(7) is supported natively.
epoll_dep = []
endif
ffi_dep = dependency('libffi')
decls = [
@ -52,7 +60,7 @@ if get_option('libraries')
]
foreach d: decls
if not cc.has_header_symbol(d['header'], d['symbol'])
if not cc.has_header_symbol(d['header'], d['symbol'], dependencies: epoll_dep)
error('@0@ is needed to compile Wayland libraries'.format(d['symbol']))
endif
endforeach