cc -pthread   -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations limits/PAGESIZE.c -o limits/PAGESIZE -D_POSIX_C_SOURCE=202405L  -lm -lpthread   -liconv
limits/PAGESIZE.c:4:2: error: "PAGESIZE is not defined"
    4 | #error "PAGESIZE is not defined"
      |  ^
1 error generated.