x86_64-linux-mlibc-gcc -O2 -march=x86-64 -pipe -mtune=generic -pthread   -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations ftw/S_TYPEISSEM.c -o ftw/S_TYPEISSEM -D_POSIX_C_SOURCE=202405L -lm -lpthread -lrt -lcrypt -lintl -liconv
ftw/S_TYPEISSEM.c:9:2: error: #error "S_TYPEISSEM is not defined"
    9 | #error "S_TYPEISSEM is not defined"
      |  ^~~~~