This file was made on July 25, 2002 How to build GAMESS (20 June 2002 R1) with CHARMM: This is example for gnu platforms, but it should work with others, too. 1. run install.com gnu medium M X Q This way one obtains appropriate tool/gmscomp_gnu file (one is also provided) 2. unpack and untar the charmm-gamess-patches.tar.gz file 3. copy blur.src ddi.src gamini.src to source/gamint directory 4. copy paral?.src to source/machdep directory 5. copy all gamess/source files from GAMESS distribution to source/gamint/gamess 6. overwrite some files from gamess directory to source/gamint/gamess 7. copy gamess.fcm to the source/fcm directory 8. delete the following files from source/gamint/gamess: ddi.src, ddikick.c, ddishm.src, ddisoc.c, vector.src 9. cd tool 10. setmk.com gnu # or whatever your platform is 11. If you are on Linux (or using GNU compilers) you may copy Makefile_gnu to build/gnu and pre.dat-for-gnu to build/gnu/pref.dat 12. rm -r lib 13. install.com gnu # or whatever your platform is Depending on the CHARMM version you may experience some name clashes, ie the subroutine has the same name in the CHARMM and in the GAMESS. The fix is simply to rename the subroutines and corresponding calls in one of the programs.