demoinfogo compiling woes

gistfile1.sh

➜  demoinfogo  g++ -Wall -pedantic -std=c++11 demoinfogo.cpp -o demoinfogo
/tmp/ccuTpLDi.o: In function `main':
demoinfogo.cpp:(.text+0x61): undefined reference to `CDemoFileDump::Open(char const*)'
demoinfogo.cpp:(.text+0x74): undefined reference to `CDemoFileDump::DoDump()'
/tmp/ccuTpLDi.o: In function `CDemoFileDump::CDemoFileDump()':
demoinfogo.cpp:(.text._ZN13CDemoFileDumpC2Ev[_ZN13CDemoFileDumpC5Ev]+0x15): undefined reference to `CDemoFile::CDemoFile()'
demoinfogo.cpp:(.text._ZN13CDemoFileDumpC2Ev[_ZN13CDemoFileDumpC5Ev]+0x27): undefined reference to `CSVCMsg_GameEventList::CSVCMsg_GameEventList()'
demoinfogo.cpp:(.text._ZN13CDemoFileDumpC2Ev[_ZN13CDemoFileDumpC5Ev]+0x46): undefined reference to `CDemoFile::~CDemoFile()'
/tmp/ccuTpLDi.o: In function `CDemoFileDump::~CDemoFileDump()':
demoinfogo.cpp:(.text._ZN13CDemoFileDumpD2Ev[_ZN13CDemoFileDumpD5Ev]+0x1a): undefined reference to `CSVCMsg_GameEventList::~CSVCMsg_GameEventList()'
demoinfogo.cpp:(.text._ZN13CDemoFileDumpD2Ev[_ZN13CDemoFileDumpD5Ev]+0x26): undefined reference to `CDemoFile::~CDemoFile()'
collect2: error: ld returned 1 exit status