Compiling under VS2002
The Visual Studio project files provided in the Source SDK are VS2003 project files. This page details the changes to these files necessary to allow them to be opened and compiled in Visual Studio 2002.

Contents
Changes
Edit listed files in a text editor.
To verify that you have successfully made these changes, open the src/Game_sdk.sln
file in VS2002 and compile the solution.
src/Game_sdk.sln
Microsoft Visual Studio Solution File, Format Version 8.00 |
↓ |
Microsoft Visual Studio Solution File, Format Version 7.00 |
src/cl_dll/client_sdk.vcproj & src/dlls/hl_sdk.vcproj
Version="7.10" |
→ | Version="7.00" |
Patch
Download this to fix VS2002 compile errors.