cc -pthread -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations math/signgam.c -o math/signgam -D_POSIX_C_SOURCE=202405L -lm -lpthread -lrt -lintl -liconv relibc getrlimit(3, 0x7ffffffffc30): not implemented relibc getrlimit(3, 0x7ffffffffb60): not implemented relibc getrlimit(9, 0x7ffffffffb20): not implemented relibc getrlimit(9, 0x7ffffffffb50): not implemented relibc getrlimit(5, 0x7ffffffffb50): not implemented relibc getrlimit(9, 0x7ffffffffb20): not implemented math/signgam.c:8:13: error: 'signgam' undeclared here (not in a function) 8 | int *foo = &signgam; | ^~~~~~~