anything that includes /usr/include/bluetooth/bluetooth.h yields gcc-4.7 errors:

In file included from linux/qsysteminfo_linux_common.cpp:73:0:
/usr/include/bluetooth/bluetooth.h: In function ‘uint64_t bt_get_le64(void*)’:
/usr/include/bluetooth/bluetooth.h:131:113: error: invalid conversion from ‘void*’ to ‘bt_get_le64(void*)::<anonymous struct>*’ [-fpermissive]
In file included from linux/qsysteminfo_linux_common.cpp:73:0:
/usr/include/bluetooth/bluetooth.h: In function ‘uint64_t bt_get_be64(void*)’:
/usr/include/bluetooth/bluetooth.h:136:166: error: invalid conversion from ‘void*’ to ‘bt_get_be64(void*)::<anonymous struct>*’ [-fpermissive]
In file included from linux/qsysteminfo_linux_common.cpp:73:0:
/usr/include/bluetooth/bluetooth.h: In function ‘uint32_t bt_get_le32(void*)’:
/usr/include/bluetooth/bluetooth.h:141:113: error: invalid conversion from ‘void*’ to ‘bt_get_le32(void*)::<anonymous struct>*’ [-fpermissive]
In file included from linux/qsysteminfo_linux_common.cpp:73:0:
/usr/include/bluetooth/bluetooth.h: In function ‘uint32_t bt_get_be32(void*)’:
/usr/include/bluetooth/bluetooth.h:146:165: error: invalid conversion from ‘void*’ to ‘bt_get_be32(void*)::<anonymous struct>*’ [-fpermissive]
In file included from linux/qsysteminfo_linux_common.cpp:73:0:
/usr/include/bluetooth/bluetooth.h: In function ‘uint16_t bt_get_le16(void*)’:
/usr/include/bluetooth/bluetooth.h:151:113: error: invalid conversion from ‘void*’ to ‘bt_get_le16(void*)::<anonymous struct>*’ [-fpermissive]
/usr/include/bluetooth/bluetooth.h: In function ‘uint16_t bt_get_be16(void*)’:
/usr/include/bluetooth/bluetooth.h:156:192: error: invalid conversion from ‘void*’ to ‘bt_get_be16(void*)::<anonymous struct>*’ [-fpermissive]
make[2]: *** [../../build/Release/QtSystemInfo/qsysteminfo_linux_common.o] Error 1