cc -O2 -pipe  -pthread -I/usr/local/include  -Wall -Wextra -Werror=implicit-function-declaration libintl/gettext_l.c -o libintl/gettext_l -D_GNU_SOURCE -D_BSD_SOURCE -D_ALL_SOURCE -D_DEFAULT_SOURCE  -lm -lpthread -L/usr/local/lib  -lintl
libintl/gettext_l.c:19:17: error: call to undeclared function 'gettext_l'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration]
   19 |         char* output = gettext_l(input, locale);
      |                        ^
libintl/gettext_l.c:19:17: note: did you mean 'gettext'?
/usr/local/include/libintl.h:216:14: note: 'gettext' declared here
  216 | extern char *gettext (const char *__msgid)
      |              ^
libintl/gettext_l.c:19:8: warning: incompatible integer to pointer conversion initializing 'char *' with an expression of type 'int' [-Wint-conversion]
   19 |         char* output = gettext_l(input, locale);
      |               ^        ~~~~~~~~~~~~~~~~~~~~~~~~
1 warning and 1 error generated.