cc -O2 -pthread  -Wall -Wextra getlocalename_l.c -o getlocalename_l -D_GNU_SOURCE -D_BSD_SOURCE -D_ALL_SOURCE -D_DEFAULT_SOURCE  -lm -lpthread -lrt  -lintl -lcrypt
getlocalename_l.c: In function 'main':
getlocalename_l.c:9:21: warning: implicit declaration of function 'getlocalename_l' [-Wimplicit-function-declaration]
    9 |  const char* name = getlocalename_l(LC_COLLATE, LC_GLOBAL_LOCALE);
      |                     ^~~~~~~~~~~~~~~
getlocalename_l.c:9:21: warning: initialization of 'const char *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
getlocalename_l.c:17:7: warning: assignment to 'const char *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
   17 |  name = getlocalename_l(LC_COLLATE, locale);
      |       ^
ld: ../out/netbsd/basic/getlocalename_l.o: in function `main':
getlocalename_l.c:(.text.startup+0x11): undefined reference to `getlocalename_l'
ld: getlocalename_l.c:(.text.startup+0x42): undefined reference to `getlocalename_l'