GCC_WARNINGS="${GCC_WARNINGS} -Wredundant-decls"
GCC_WARNINGS="${GCC_WARNINGS} -Wpointer-arith"
GCC_WARNINGS="${GCC_WARNINGS} -Wundef"
GCC_WARNINGS="${GCC_WARNINGS} -Wredundant-decls"
GCC_WARNINGS="${GCC_WARNINGS} -Wpointer-arith"
GCC_WARNINGS="${GCC_WARNINGS} -Wundef"