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% This file is part of CWEB. % The CWEB programs by Silvio Levy are based on programs by D. E. Knuth. % They are distributed WITHOUT ANY WARRANTY, express or implied. % This README file last updated August 1994 by Don Knuth % Copyright (C) 1987,1990,1993 Silvio Levy and Donald E. Knuth % Permission is granted to make and distribute verbatim copies of this % document provided that the copyright notice and this permission notice % are preserved on all copies. % Permission is granted to copy and distribute modified versions of this % document under the conditions for verbatim copying, provided that the % entire resulting derived work is given a different name and distributed % under the terms of a permission notice identical to this one. % Please send comments, suggestions, etc. to email@example.com. This directory contains the following files: Makefile README comm-amiga.ch comm-bs.ch comm-man.ch comm-pc.ch comm-ql.ch comm-vms.ch common.c common.h common.w ctang-bs.ch ctang-man.ch ctang-pc.ch ctang-ql.ch ctang-vms.ch ctangle.c ctangle.w cweav-bs.ch cweav-man.ch cweav-pc.ch cweav-ql.ch cweav-vms.ch cweave.w cweb.1 cweb.el cwebmac.tex cwebman.tex examples/ makefile.bs prod.w readme.ql (If you got cweb by mail, you may have cweave.w.1 and cweave.w.2 instead of cweave.w. The first thing to say then is cat cweave.w. > cweave.w ) The file cwebman.tex is the user manual. The examples directory contains additional examples of the use of CWEB. The files common.c and ctangle.c are used for bootstrapping. The file cweb.1 is a manual page. The file cweb.el is suggested for GNU-Emacs users. The files *-man.ch are used if you want to make the full 228-page CWEB manual. The files *-bs.ch are used instead of *-pc.ch if you are doing BIG programs. You can use makefile.bs to make CWEB with *-bs.ch. The files *-ql.ch are for QDOS/SMSQ systems; see readme.ql for further info. The other files named *.ch are sample change files for local customization. IMPORTANT: Please touch *.c before proceeding. Then edit the opening lines of Makefile so that it has the proper directory information for your local system. To make ctangle and cweave say `make all'; this should produce roughly the following actions (possibly with harmless warning messages from cc): cc -g -w -c ctangle.c cc -g -w -DCWEBINPUTS=\"/usr/local/lib/cweb\" -c common.c cc -g -o ctangle ctangle.o common.o ./ctangle cweave cc -g -w -c cweave.c cc -g -w -o cweave cweave.o common.o To get some reassurance that things are OK, you can say `make cautiously', which ensures that CTANGLE will reproduce itself. (Otherwise the source files common.w and ctangle.w won't actually have been used.) To install cweave and ctangle say `make install'. You probably need to be superuser to do this; but it's wise to `make all' first, BEFORE becoming superuser and saying `make install'. Note that change files for VMS, AMIGA, and PCs are provided. When you are first bootstrapping to a new system, you may need to edit common.c and ctangle.c by hand, but the vast majority of the change-file changes are minor refinements that are not necessary for a rudimentary ctangle.