build fails on armel

[linuxmaniac]

https://buildd.debian.org/status/fetch.php?pkg=nats.c&arch=armel&ver=3.3.0-1&stamp=1652518699&raw=0

[ 44%] Building C object src/CMakeFiles/nats_static.dir/unix/mutex.c.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabi/src && /usr/bin/cc -DLINUX -DNATS_FORCE_HOST_VERIFICATION -DNATS_HAS_STREAMING -DNATS_HAS_TLS -DNATS_STATIC -D_GNU_SOURCE -D_REENTRANT -I/<<PKGBUILDDIR>>/src/include -I/<<PKGBUILDDIR>>/src/unix -I/<<PKGBUILDDIR>>/src/stan -I/<<PKGBUILDDIR>>/src -g -O2 -ffile-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wall -pedantic -Wdate-time -D_FORTIFY_SOURCE=2 -std=c99 -pedantic -pthread -fstrict-aliasing -Wall -W -Wno-unused-parameter -Wno-unused-function -Wstrict-prototypes -Wwrite-strings -MD -MT src/CMakeFiles/nats_static.dir/unix/mutex.c.o -MF CMakeFiles/nats_static.dir/unix/mutex.c.o.d -o CMakeFiles/nats_static.dir/unix/mutex.c.o -c /<<PKGBUILDDIR>>/src/unix/mutex.c
[ 45%] Building C object src/CMakeFiles/nats_static.dir/unix/sock.c.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabi/src && /usr/bin/cc -DLINUX -DNATS_FORCE_HOST_VERIFICATION -DNATS_HAS_STREAMING -DNATS_HAS_TLS -DNATS_STATIC -D_GNU_SOURCE -D_REENTRANT -I/<<PKGBUILDDIR>>/src/include -I/<<PKGBUILDDIR>>/src/unix -I/<<PKGBUILDDIR>>/src/stan -I/<<PKGBUILDDIR>>/src -g -O2 -ffile-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wall -pedantic -Wdate-time -D_FORTIFY_SOURCE=2 -std=c99 -pedantic -pthread -fstrict-aliasing -Wall -W -Wno-unused-parameter -Wno-unused-function -Wstrict-prototypes -Wwrite-strings -MD -MT src/CMakeFiles/nats_static.dir/unix/sock.c.o -MF CMakeFiles/nats_static.dir/unix/sock.c.o.d -o CMakeFiles/nats_static.dir/unix/sock.c.o -c /<<PKGBUILDDIR>>/src/unix/sock.c
[ 46%] Building C object src/CMakeFiles/nats_static.dir/unix/thread.c.o
cd /<<PKGBUILDDIR>>/obj-arm-linux-gnueabi/src && /usr/bin/cc -DLINUX -DNATS_FORCE_HOST_VERIFICATION -DNATS_HAS_STREAMING -DNATS_HAS_TLS -DNATS_STATIC -D_GNU_SOURCE -D_REENTRANT -I/<<PKGBUILDDIR>>/src/include -I/<<PKGBUILDDIR>>/src/unix -I/<<PKGBUILDDIR>>/src/stan -I/<<PKGBUILDDIR>>/src -g -O2 -ffile-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security -Wall -pedantic -Wdate-time -D_FORTIFY_SOURCE=2 -std=c99 -pedantic -pthread -fstrict-aliasing -Wall -W -Wno-unused-parameter -Wno-unused-function -Wstrict-prototypes -Wwrite-strings -MD -MT src/CMakeFiles/nats_static.dir/unix/thread.c.o -MF CMakeFiles/nats_static.dir/unix/thread.c.o.d -o CMakeFiles/nats_static.dir/unix/thread.c.o -c /<<PKGBUILDDIR>>/src/unix/thread.c
/tmp/ccX1SD1p.s: Assembler messages:
/tmp/ccX1SD1p.s:363: Error: selected processor does not support `yield' in ARM mode
make[3]: *** [src/CMakeFiles/nats_static.dir/build.make:429: src/CMakeFiles/nats_static.dir/unix/mutex.c.o] Error 1

[linuxmaniac]

successful build with patch applied https://buildd.debian.org/status/fetch.php?pkg=nats.c&arch=armel&ver=3.3.0-2&stamp=1657625672&raw=0