/usr/include/g++-2/cstddef C++ Standard header <cstddef> includes C header <stddef.h> which is not included with glibc-2.1.3-15: # rpm -qf /usr/include/stddef.h file /usr/include/stddef.h: No such file or directory # rpm -ql glibc-devel | grep "stddef" (returns nothing)