Files you do not need to change and shouldn't change.

     rxpack.c              generic Rexx extension functions
     rxpack.h              defines and prototypes for rxpack.c
     loader.c              loader program for executable front-end
     defines.h             non-Unix config.h
     rxdef.h               defines for Rexx interpreters
     getopt.c              functions for processing command line options
     install-sh            part of Autoconf
     config.guess          part of Autoconf
     config.sub            part of Autoconf
     def2exp.rexx          Rexx program to convert W32 DEF file to AIX exports

Files you will need to change.

     Makefile.in           Unix Makefile generated by Autoconf from this
     aclocal.m4            Autoconf macros - you may need to write some
     config.h.in           #define definitions set/reset by AC_DEFINE() macro in configure script
     configure             generated by Autoconf from configure.in
     configure.in          template for configure script
     file_id.diz.djg       BBS description file for DJGPP port - DPMI
     file_id.diz.emx       BBS description file for OS/2 EMX port
     file_id.diz.vcp       BBS description file for DOS EMX port - VCPI
     file_id.diz.w32       BBS description file for Win32 port
     file_id.diz.os2       BBS description file for OS/2 port
     makefile.os2.emx      makefile for building package with EMX under OS/2
     makefile.os2.icc      makefile for building package with C Set/2 under OS/2
     makefile.os2.wcc      makefile for building package with Watcom C++ under OS/2
     makefile.win32.vc     makefile for building package with Visual C++ under Win32
     makefile.win32.wcc    makefile for building package with Watcom C++ under Win32
     rxcursesw32.def       package DEF file for Win32
     rxcursesw32.ico       package icon file for Win32
     rxcursesw32.rc        package resource defintion file for Win32

Files you will need to replace

     curses.c              source file for Rexx/Curses package
