To build emx libraries 1) unpack emxsrcd2.zip (builds \emx\src\lib source) 2) copy this files to \emx\src\lib (xcopy /s *.* \emx\src\lib) 3) set c_include_path to \rsxntdj\include 4) set library_path to \rsxntdj\lib 5) use win32 gcc binaries (emx style of gcc.exe,cpp.exe,cc1.exe) 6) copy startup.mk to \etc 7) run dmake 8) run libs.bat