clang -O2  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations libintl/gettext_l.c -o libintl/gettext_l -D_POSIX_C_SOURCE=202405L  -lm  -lintl
libintl/gettext_l.c:5:28: error: type specifier missing, defaults to 'int' [-Werror,-Wimplicit-int]
char *(*foo)(const char *, locale_t) = gettext_l;
                           ^
libintl/gettext_l.c:5:40: error: use of undeclared identifier 'gettext_l'; did you mean 'gettext'?
char *(*foo)(const char *, locale_t) = gettext_l;
                                       ^~~~~~~~~
                                       gettext
/usr/include/libintl.h:54:7: note: 'gettext' declared here
char *gettext(const char *) __format_arg(1);
      ^
libintl/gettext_l.c:5:9: error: incompatible pointer types initializing 'char *(*)(const char *, int)' with an expression of type 'char *(const char *)' [-Werror,-Wincompatible-pointer-types]
char *(*foo)(const char *, locale_t) = gettext_l;
        ^                              ~~~~~~~~~
3 errors generated.