# Copyright (C) 2024 Web Server LLC
# Copyright (C) Igor Sysoev
# Copyright (C) Nginx, Inc.


if check_cache "freebsd version" "os"; then
    return
fi

# __FreeBSD_version and sysctl kern.osreldate are the best ways
# to determine whether some capability exists and is safe to use.
# __FreeBSD_version is used for the testing of the build environment.
# sysctl kern.osreldate is used for the testing of the kernel capabilities.

version=`grep "#define __FreeBSD_version" /usr/include/osreldate.h \
         | sed -e 's/^.* \(.*\)$/\1/'`

osreldate=`/sbin/sysctl -n kern.osreldate`

if [ $NGX_FEATURE_CACHE = NO ]; then
    return
fi

cache_output_start

echo "ngx_found=yes"
echo "version=\"$version\""
echo "osreldate=\"$osreldate\""

cache_output_end