Есть "HL1_src_vs2005.zip" и Visual C++ 2005 Express Edition. В последней открываю "cl_dll.dsp", Build Solution выдает такой лог:
code:1>------ Build started: Project: cl_dll, Configuration: Release Win32 ------
1>Compiling...
1>tripmine.cpp
1>d:\games\hl_sdk\hl1_src_vs2005\dlls\extdll.h(42) : fatal error C1083: Cannot open include file: 'windows.h': No such file or directory
1>squeakgrenade.cpp
1>d:\games\hl_sdk\hl1_src_vs2005\dlls\extdll.h(42) : fatal error C1083: Cannot open include file: 'windows.h': No such file or directory
1>shotgun.cpp
1>d:\games\hl_sdk\hl1_src_vs2005\dlls\extdll.h(42) : fatal error C1083: Cannot open include file: 'windows.h': No such file or directory
1>satchel.cpp
1>d:\games\hl_sdk\hl1_src_vs2005\dlls\extdll.h(42) : fatal error C1083: Cannot open include file: 'windows.h': No such file or directory
1>rpg.cpp
1>d:\games\hl_sdk\hl1_src_vs2005\dlls\extdll.h(42) : fatal error C1083: Cannot open include file: 'windows.h': No such file or directory
1>python.cpp
1>d:\games\hl_sdk\hl1_src_vs2005\dlls\extdll.h(42) : fatal error C1083: Cannot open include file: 'windows.h': No such file or directory
1>mp5.cpp
1>d:\games\hl_sdk\hl1_src_vs2005\dlls\extdll.h(42) : fatal error C1083: Cannot open include file: 'windows.h': No such file or directory
1>interface.cpp
1>..\common\interface.cpp(64) : fatal error C1083: Cannot open include file: 'windows.h': No such file or directory
1>hornetgun.cpp
1>d:\games\hl_sdk\hl1_src_vs2005\dlls\extdll.h(42) : fatal error C1083: Cannot open include file: 'windows.h': No such file or directory
1>hl_wpn_glock.cpp
1>d:\games\HL_SDK\HL1_src_vs2005\dlls\extdll.h(42) : fatal error C1083: Cannot open include file: 'windows.h': No such file or directory
1>hl_weapons.cpp
1>d:\games\HL_SDK\HL1_src_vs2005\dlls\extdll.h(42) : fatal error C1083: Cannot open include file: 'windows.h': No such file or directory
1>hl_baseentity.cpp
1>d:\games\HL_SDK\HL1_src_vs2005\dlls\extdll.h(42) : fatal error C1083: Cannot open include file: 'windows.h': No such file or directory
1>handgrenade.cpp
1>d:\games\hl_sdk\hl1_src_vs2005\dlls\extdll.h(42) : fatal error C1083: Cannot open include file: 'windows.h': No such file or directory
1>gauss.cpp
1>d:\games\hl_sdk\hl1_src_vs2005\dlls\extdll.h(42) : fatal error C1083: Cannot open include file: 'windows.h': No such file or directory
1>egon.cpp
1>d:\games\hl_sdk\hl1_src_vs2005\dlls\extdll.h(42) : fatal error C1083: Cannot open include file: 'windows.h': No such file or directory
1>crowbar.cpp
1>d:\games\hl_sdk\hl1_src_vs2005\dlls\extdll.h(42) : fatal error C1083: Cannot open include file: 'windows.h': No such file or directory
1>crossbow.cpp
1>d:\games\hl_sdk\hl1_src_vs2005\dlls\extdll.h(42) : fatal error C1083: Cannot open include file: 'windows.h': No such file or directory
1>inputw32.cpp
1>.\inputw32.cpp(22) : fatal error C1083: Cannot open include file: 'windows.h': No such file or directory
1>in_camera.cpp
1>.\in_camera.cpp(18) : fatal error C1083: Cannot open include file: 'windows.h': No such file or directory
1>hud_servers.cpp
1>.\hud_servers.cpp(15) : fatal error C1083: Cannot open include file: 'winsock.h': No such file or directory
1>Generating Code...
1>Build log was saved at "file://d:\games\HL_SDK\HL1_src_vs2005\cl_dll\Release\BuildLog.htm"
1>cl_dll - 20 error(s), 0 warning(s)
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========