Comment 0 for bug 1843743

https://launchpadlibrarian.net/441262209/buildlog_ubuntu-eoan-amd64.klibc_2.0.6-1ubuntu1_BUILDING.txt.gz

gcc -Wp,-MD,usr/klibc/.sigsuspend.o.d -nostdinc -iwithprefix include -I/<<PKGBUILDDIR>>/usr/include/arch/x86_64 -Iusr/include/arch/x86_64 -I/<<PKGBUILDDIR>>/usr/include/bits64 -Iusr/include/bits64 -I/<<PKGBUILDDIR>>/usr/klibc/../include -Iusr/klibc/../include -I/<<PKGBUILDDIR>>/usr/include -Iusr/include -I/<<PKGBUILDDIR>>/linux/include -Ilinux/include -D__KLIBC__=2 -D__KLIBC_MINOR__=0 -D_BITSIZE=64 -fno-stack-protector -fwrapv -fno-PIE -ggdb -m64 -Os -fomit-frame-pointer -mno-sse -falign-functions=1 -falign-jumps=1 -falign-loops=1 -fno-asynchronous-unwind-tables -W -Wall -Wno-sign-compare -Wno-unused-parameter -c -o usr/klibc/sigsuspend.o usr/klibc/sigsuspend.c
usr/klibc/sigsuspend.c:8:10: fatal error: klibc/havesyscall.h: No such file or directory
    8 | #include <klibc/havesyscall.h>
      | ^~~~~~~~~~~~~~~~~~~~~
compilation terminated.
make[4]: *** [/<<PKGBUILDDIR>>/scripts/Kbuild.klibc:252: usr/klibc/sigsuspend.o] Error 1
make[3]: *** [/<<PKGBUILDDIR>>/./Kbuild:9: all] Error 2
make[2]: *** [Makefile:118: klibc] Error 2