/opt/IBM/openxlC/17.1.1/bin/ibm-clang -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations langinfo/ABALTMON_2.c -o langinfo/ABALTMON_2 -D_POSIX_C_SOURCE=202405L -lm -lpthread -lrt -latomic
langinfo/ABALTMON_2.c:2:17: error: use of undeclared identifier 'ABALTMON_2'
int const foo = ABALTMON_2;
                ^
1 error generated.