Mechanized Assault & eXploration Reloaded

------ Build started: Project: MAXR, Configuration: Debug Win32 ------
Linking...
buildings.obj : error LNK2019: unresolved external symbol "public: int __thiscall cUpgradeCalculator::calcPrice(int,int,int)const " (?calcPrice@cUpgradeCalculator@@QBEHHHH@Z) referenced in function "public: void __thiscall cBuilding::ShowUpgrade(void)" (?ShowUpgrade@cBuilding@@QAEXXZ)
menu.obj : error LNK2001: unresolved external symbol "public: int __thiscall cUpgradeCalculator::calcPrice(int,int,int)const " (?calcPrice@cUpgradeCalculator@@QBEHHHH@Z)
buildings.obj : error LNK2019: unresolved external symbol "public: int __thiscall cUpgradeCalculator::calcIncreaseByUpgrade(int)cons
t " (?calcIncreaseByUpgrade@cUpgradeCalculator@@QBEHH@
Z) referenced in function "public: void __thiscall cBuilding::ShowUpgrade(void)" (?ShowUpgrade@cBuilding@@QAEXXZ)
menu.obj : error LNK2001: unresolved external symbol "public: int __thiscall cUpgradeCalculator::calcIncreaseByUpgrade(int)cons
t " (?calcIncreaseByUpgrade@cUpgradeCalculator@@QBEHH@
Z)
buildings.obj : error LNK2019: unresolved external symbol "public: static class cUpgradeCalculator & __cdecl cUpgradeCalculator::instance(void)" (?instance@cUpgradeCalculator@@SAAAV1@XZ) referenced in function "public: void __thiscall cBuilding::ShowUpgrade(void)" (?ShowUpgrade@cBuilding@@QAEXXZ)
menu.obj : error LNK2001: unresolved external symbol "public: static class cUpgradeCalculator & __cdecl cUpgradeCalculator::instance(void)" (?instance@cUpgradeCalculator@@SAAAV1@XZ)
menu.obj : error LNK2019: unresolved external symbol "public: int __thiscall cSavegame::load(void)" (?load@cSavegame@@QAEHXZ) referenced in function "void __cdecl RunSPMenu(void)" (?RunSPMenu@@YAXXZ)
menu.obj : error LNK2019: unresolved external symbol "public: __thiscall cSavegame::cSavegame(int)" (?0cSavegame@@QAE@H@Z) referenced in function "void __cdecl RunSPMenu(void)" (?RunSPMenu@@YAXXZ)
server.obj : error LNK2001: unresolved external symbol "public: __thiscall cSavegame::cSavegame(int)" (?0cSavegame@@QAE@H@Z)
menu.obj : error LNK2019: unresolved external symbol "public: int __thiscall cSavegame::save(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >)" (?save@cSavegame@@QAEHV?$basic_string@DU?$char_tra
its@D@std@@V?$allocator@D@2@@std@@@Z) referenced in function "int __cdecl ShowDateiMenu(bool)" (?ShowDateiMenu@@YAH_N@Z)
server.obj : error LNK2001: unresolved external symbol "public: int __thiscall cSavegame::save(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >)" (?save@cSavegame@@QAEHV?$basic_string@DU?$char_tra
its@D@std@@V?$allocator@D@2@@std@@@Z)
menu.obj : error LNK2019: unresolved external symbol "public: void __thiscall cSavegame::loadHeader(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > *,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > *,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > *)" (?loadHeader@cSavegame@@QAEXPAV?$basic_string@DU?$
char_traits@D@std@@V?$allocator@D@2@@std@@00@Z) referenced in function "void __cdecl ShowFiles(class cList<class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > > *,int,int,bool,bool,bool,struct SDL_Rect)" (?ShowFiles@@YAXPAV?$cList@V?$basic_string@DU?$cha
r_traits@D@std@@V?$allocator@D@2@@std@@@@HH_N11USD
L_Rect@@@Z)
Debug\MAXR.exe : fatal error LNK1120: 7 unresolved externals
Build log was saved at "file://c:\MAX\trunk\Debug\BuildLog.htm"
MAXR - 13 error(s), 0 warning(s)
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========

By the way, how about replacing the many lines with something like this:

SRC = $(wildcard *.cpp)