x86_64-managarm-gcc -pthread   -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations ftw/S_TYPEISTMO.c -o ftw/S_TYPEISTMO -D_POSIX_C_SOURCE=202405L -lm -lpthread -lrt  -lintl -liconv -lintl -liconv
ftw/S_TYPEISTMO.c:9:2: error: #error "S_TYPEISTMO is not defined"
    9 | #error "S_TYPEISTMO is not defined"
      |  ^~~~~