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| author | Alex Richardson <Alexander.Richardson@cl.cam.ac.uk> | 2021-03-19 10:02:41 +0000 |
|---|---|---|
| committer | Alexander Richardson <alexander.richardson@cl.cam.ac.uk> | 2021-09-10 11:35:54 +0000 |
| commit | 382f368a2795cacbe0f3690f9bf5be749f9f0f5e (patch) | |
| tree | 919cca635c9d1372f99c312d3c5f4cabe2e80f05 /meson.build | |
| parent | test-helpers: use sysctl() to count open fds on FreeBSD (diff) | |
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Detect FreeBSD versions with broken MSG_CMSG_CLOEXEC
If we are compiling against a version of FreeBSD where MSG_CMSG_CLOEXEC
does not work, use the fallback directly. This was only fixed recently
(in https://cgit.freebsd.org/src/commit/?id=6ceacebdf52211).
Signed-off-by: Alex Richardson <Alexander.Richardson@cl.cam.ac.uk>
Diffstat (limited to 'meson.build')
| -rw-r--r-- | meson.build | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/meson.build b/meson.build index a116d9d..5cd978f 100644 --- a/meson.build +++ b/meson.build @@ -43,6 +43,22 @@ foreach f: have_funcs config_h.set('HAVE_' + f.underscorify().to_upper(), cc.has_function(f)) endforeach config_h.set10('HAVE_XUCRED_CR_PID', cc.has_member('struct xucred', 'cr_pid', prefix : '#include <sys/ucred.h>')) +have_broken_msg_cmsg_cloexec = false +if host_machine.system() == 'freebsd' + have_broken_msg_cmsg_cloexec = not cc.compiles(''' +#include <sys/param.h> /* To get __FreeBSD_version. */ +#if __FreeBSD_version < 1300502 || \ + (__FreeBSD_version >= 1400000 && __FreeBSD_version < 1400006) +/* + * FreeBSD had a broken implementation of MSG_CMSG_CLOEXEC between 2015 and + * 2021. Check if we are compiling against a version that includes the fix + * (https://cgit.freebsd.org/src/commit/?id=6ceacebdf52211). + */ +#error "Broken MSG_CMSG_CLOEXEC" +#endif +''', name : 'MSG_CMSG_CLOEXEC works correctly') +endif +config_h.set10('HAVE_BROKEN_MSG_CMSG_CLOEXEC', have_broken_msg_cmsg_cloexec) if get_option('libraries') if host_machine.system() == 'freebsd' |