/opt/IBM/openxlC/17.1.1/bin/ibm-clang -pthread   -Wall -Wextra -Werror=implicit-function-declaration libintl/textdomain.c -o libintl/textdomain -D_GNU_SOURCE -D_BSD_SOURCE -D_ALL_SOURCE -D_DEFAULT_SOURCE -lm -lpthread -lrt  -liconv -latomic
libintl/textdomain.c:3:10: fatal error: 'libintl.h' file not found
#include <libintl.h>
         ^~~~~~~~~~~
1 error generated.