[I] No git repository info found. Trying to interpret VERSION_INFO
[I] src/XrdVersion.hh successfully generated
In file included from /home/axel/build/root/github/clingtests/XROOTD-prefix/src/XROOTD/src/XrdFileCache/XrdFileCache.hh:26:0,
                 from /home/axel/build/root/github/clingtests/XROOTD-prefix/src/XROOTD/src/XrdFileCache/XrdFileCacheInfo.cc:33:
/home/axel/build/root/github/clingtests/XROOTD-prefix/src/XROOTD/src/./XrdOuc/XrdOucCache2.hh:216:16: error: ‘virtual XrdOucCacheIO* XrdOucCache2::Attach(XrdOucCacheIO*, int)’ was hidden [-Werror=overloaded-virtual]
 XrdOucCacheIO  *Attach(XrdOucCacheIO  *ioP, int opts=0)
                ^
In file included from /home/axel/build/root/github/clingtests/XROOTD-prefix/src/XROOTD/src/XrdFileCache/XrdFileCacheInfo.cc:33:0:
/home/axel/build/root/github/clingtests/XROOTD-prefix/src/XROOTD/src/XrdFileCache/XrdFileCache.hh:108:28: error:   by ‘virtual XrdOucCacheIO2* XrdFileCache::Cache::Attach(XrdOucCacheIO2*, int)’ [-Werror=overloaded-virtual]
    virtual XrdOucCacheIO2 *Attach(XrdOucCacheIO2 *, int Options = 0);
                            ^
cc1plus: all warnings being treated as errors
make[5]: *** [src/CMakeFiles/xrdpfc_print.dir/XrdFileCache/XrdFileCacheInfo.cc.o] Error 1
make[4]: *** [src/CMakeFiles/xrdpfc_print.dir/all] Error 2
make[4]: *** Waiting for unfinished jobs....
In file included from /home/axel/build/root/github/clingtests/XROOTD-prefix/src/XROOTD/src/XrdPosix/XrdPosixXrootd.cc:50:0:
/home/axel/build/root/github/clingtests/XROOTD-prefix/src/XROOTD/src/./XrdOuc/XrdOucCache2.hh:105:14: error: ‘virtual void XrdOucCacheIO2::Read(XrdOucCacheIOCB&, char*, long long int, int)’ was hidden [-Werror=overloaded-virtual]
 virtual void Read (XrdOucCacheIOCB &iocb, char *buff, long long offs, int rlen)
              ^
In file included from /home/axel/build/root/github/clingtests/XROOTD-prefix/src/XROOTD/src/XrdPosix/XrdPosixXrootd.cc:55:0:
/home/axel/build/root/github/clingtests/XROOTD-prefix/src/XROOTD/src/./XrdPosix/XrdPosixCacheBC.hh:64:13: error:   by ‘virtual int XrdPosixCacheBCIO::Read(char*, long long int, int)’ [-Werror=overloaded-virtual]
 virtual int     Read (char *Buffer, long long Offset, int Length)
             ^
In file included from /home/axel/build/root/github/clingtests/XROOTD-prefix/src/XROOTD/src/XrdPosix/XrdPosixXrootd.cc:50:0:
/home/axel/build/root/github/clingtests/XROOTD-prefix/src/XROOTD/src/./XrdOuc/XrdOucCache2.hh:172:14: error: ‘virtual void XrdOucCacheIO2::Write(XrdOucCacheIOCB&, char*, long long int, int)’ was hidden [-Werror=overloaded-virtual]
 virtual void Write(XrdOucCacheIOCB &iocb, char *buff, long long offs, int wlen)
              ^
In file included from /home/axel/build/root/github/clingtests/XROOTD-prefix/src/XROOTD/src/XrdPosix/XrdPosixXrootd.cc:55:0:
/home/axel/build/root/github/clingtests/XROOTD-prefix/src/XROOTD/src/./XrdPosix/XrdPosixCacheBC.hh:74:13: error:   by ‘virtual int XrdPosixCacheBCIO::Write(char*, long long int, int)’ [-Werror=overloaded-virtual]
 virtual int     Write(char *Buffer, long long Offset, int Length)
             ^
In file included from /home/axel/build/root/github/clingtests/XROOTD-prefix/src/XROOTD/src/XrdPosix/XrdPosixXrootd.cc:50:0:
/home/axel/build/root/github/clingtests/XROOTD-prefix/src/XROOTD/src/./XrdOuc/XrdOucCache2.hh:139:14: error: ‘virtual void XrdOucCacheIO2::Sync(XrdOucCacheIOCB&)’ was hidden [-Werror=overloaded-virtual]
 virtual void Sync(XrdOucCacheIOCB &iocb) {iocb.Done(Sync());}
              ^
In file included from /home/axel/build/root/github/clingtests/XROOTD-prefix/src/XROOTD/src/XrdPosix/XrdPosixXrootd.cc:55:0:
/home/axel/build/root/github/clingtests/XROOTD-prefix/src/XROOTD/src/./XrdPosix/XrdPosixCacheBC.hh:70:13: error:   by ‘virtual int XrdPosixCacheBCIO::Sync()’ [-Werror=overloaded-virtual]
 virtual int     Sync() {return cacheIO1->Sync();}
             ^
In file included from /home/axel/build/root/github/clingtests/XROOTD-prefix/src/XROOTD/src/XrdPosix/XrdPosixXrootd.cc:50:0:
/home/axel/build/root/github/clingtests/XROOTD-prefix/src/XROOTD/src/./XrdOuc/XrdOucCache2.hh:123:14: error: ‘virtual void XrdOucCacheIO2::ReadV(XrdOucCacheIOCB&, const XrdOucIOVec*, int)’ was hidden [-Werror=overloaded-virtual]
 virtual void ReadV(XrdOucCacheIOCB &iocb, const XrdOucIOVec *readV, int rnum)
              ^
In file included from /home/axel/build/root/github/clingtests/XROOTD-prefix/src/XROOTD/src/XrdPosix/XrdPosixXrootd.cc:55:0:
/home/axel/build/root/github/clingtests/XROOTD-prefix/src/XROOTD/src/./XrdPosix/XrdPosixCacheBC.hh:67:13: error:   by ‘virtual int XrdPosixCacheBCIO::ReadV(const XrdOucIOVec*, int)’ [-Werror=overloaded-virtual]
 virtual int     ReadV(const XrdOucIOVec *readV, int n)
             ^
In file included from /home/axel/build/root/github/clingtests/XROOTD-prefix/src/XROOTD/src/XrdPosix/XrdPosixXrootd.cc:50:0:
/home/axel/build/root/github/clingtests/XROOTD-prefix/src/XROOTD/src/./XrdOuc/XrdOucCache2.hh:216:16: error: ‘virtual XrdOucCacheIO* XrdOucCache2::Attach(XrdOucCacheIO*, int)’ was hidden [-Werror=overloaded-virtual]
 XrdOucCacheIO  *Attach(XrdOucCacheIO  *ioP, int opts=0)
                ^
In file included from /home/axel/build/root/github/clingtests/XROOTD-prefix/src/XROOTD/src/XrdPosix/XrdPosixXrootd.cc:55:0:
/home/axel/build/root/github/clingtests/XROOTD-prefix/src/XROOTD/src/./XrdPosix/XrdPosixCacheBC.hh:101:17: error:   by ‘virtual XrdOucCacheIO2* XrdPosixCacheBC::Attach(XrdOucCacheIO2*, int)’ [-Werror=overloaded-virtual]
 XrdOucCacheIO2 *Attach(XrdOucCacheIO2 *ioP, int opts=0)
                 ^
cc1plus: all warnings being treated as errors
make[5]: *** [src/CMakeFiles/XrdPosix.dir/XrdPosix/XrdPosixXrootd.cc.o] Error 1
make[4]: *** [src/CMakeFiles/XrdPosix.dir/all] Error 2
make[3]: *** [all] Error 2