On CURRENT, FreeBSD 14.0-CURRENT #6 main-n250822-4fdc5b8494b4: Thu Nov 18 06:00:15 CET 2021 amd64, port graphics/cairo fails to build to to the error shown below:

[...]
/bin/sh ../libtool  --tag=CC    --mode=link cc  -O2 -pipe  -fstack-protector-strong -fno-strict-aliasing   -fstack-protector-strong -o libcairoperf.la  cairo-perf.lo cairo-perf-report.lo cairo-stats.lo cairo-time.lo    -lrt  -lm
libtool: link: ar cru .libs/libcairoperf.a .libs/cairo-perf.o .libs/cairo-perf-report.o .libs/cairo-stats.o .libs/cairo-time.o 
libtool: link: ranlib .libs/libcairoperf.a
libtool: link: ( cd ".libs" && rm -f "libcairoperf.la" && ln -s "../libcairoperf.la" "libcairoperf.la" )
--- cairo-analyse-trace ---
--- cairo-perf-micro.o ---
cairo-perf-micro.c:418:5: error: unknown type name 'cpu_set_t'; did you mean 'cpusetid_t'?
    cpu_set_t affinity;
    ^~~~~~~~~
    cpusetid_t
/usr/include/sys/types.h:86:22: note: 'cpusetid_t' declared here
typedef __cpusetid_t    cpusetid_t;
                        ^
cairo-perf-micro.c:421:9: error: implicit declaration of function 'sched_getaffinity' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
    if (sched_getaffinity(0, sizeof(affinity), &affinity)) {
        ^
cairo-perf-micro.c:426:35: error: use of undeclared identifier 'CPU_SETSIZE'
    for(i = 0, cpu_count = 0; i < CPU_SETSIZE; ++i) {
                                  ^
cairo-perf-micro.c:427:6: error: implicit declaration of function 'CPU_ISSET' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
        if (CPU_ISSET(i, &affinity))
            ^
--- cairo-analyse-trace ---