building shared library libc.so.7 truncate.So(.text+0x14): In function `_truncate': : multiple definition of `__sys_truncate' _truncate.So(.text+0x14): first defined here mmap.So(.text+0x14): In function `_mmap': : multiple definition of `__sys_mmap' _mmap.So(.text+0x14): first defined here ftruncate.So(.text+0x14): In function `_ftruncate': : multiple definition of `__sys_ftruncate' _ftruncate.So(.text+0x14): first defined here fcntl.So(.text+0x14): In function `_fcntl': : multiple definition of `__sys_fcntl' _fcntl.So(.text+0x14): first defined here pwrite.So(.text+0x14): In function `_pwrite': : multiple definition of `__sys_pwrite' _pwrite.So(.text+0x14): first defined here pread.So(.text+0x14): In function `_pread': : multiple definition of `__sys_pread' _pread.So(.text+0x14): first defined here lseek.So(.text+0x14): In function `_lseek': : multiple definition of `__sys_lseek' _lseek.So(.text+0x14): first defined here