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Annotation of GNUtools/emacs/src/VMSBUILD, revision 1.1.1.1

1.1       root        1: How to compile, link and build GNU Emacs under VMS.
                      2: 
                      3: 
                      4: A runnable Emacs on VMS consists of two files, an exe file and
                      5: a map file.  (It also refers to a DOC file in the [-.etc] sibling directory.
                      6: These files are made automatically and kept straight by Emacs version number.)
                      7: 
                      8: For an Emacs being built and tested, these files are `temacs.exe' and
                      9: `temacs.dump' in this directory.
                     10: 
                     11: For an installed Emacs, these files are `emacs.exe' and
                     12: `emacs.dump' in the directory above this one.  These names are known
                     13: only in the file `emacs.com', also in that directory.
                     14: 
                     15: Before you can run Emacs or compile or build any part of Emacs,
                     16: you must run `emacs.com'.  It sets up logical names that are used
                     17: by everything else.
                     18: 
                     19: Before compiling anything on VMS, you must copy `config.h-dist' to
                     20: `config.h' and make sure it is set up for VMS, using files `m-vax.h'
                     21: and `s-vms4-4.h'.  Also copy `vmspaths.h' to `paths.h'.
                     22: `paths.h-dist' is for Unix only.  (On VMS versions before 4.4, the
                     23: file names have `_' in place of `-', and you should use `s-vms.h'
                     24: rather than `s-vms4-4.h'.)
                     25: 
                     26: Execute `compile.com' to recompile all files that need recompilation.
                     27:  Alternatively, execute `precomp.com' to define a command `ccom' that
                     28:  can be used to recompile individual files.  `ccom' works by executing
                     29:  `ccom.com'.
                     30: 
                     31:  If you compile with optimization, note that in compiler version
                     32:  3.0 there is a bug affecting inline functions.  So you must specify
                     33:  /OPTIMIZE=NOINLINE when compiling `dispnew.c'.  If you still have problems,
                     34:  try using /NOOPT.
                     35: 
                     36: Compilation will give you lots of warnings about symbols longer than 30
                     37:  characters.  You must just ignore them.  Alternatively, you can
                     38:  compile the C program `vms-pp.c' and run all the .c and .h files
                     39:  through that program and then compile the results.
                     40:  (On VMS versions before 4.4, the program is called `vms_pp.c'.)
                     41: 
                     42:  **If you use `vms-pp.c', please save the originals .c and .h files
                     43:  and distribute them rather than the transformed files
                     44:  if you wish to distribute copies of Emacs.  Help minimize confusion!**
                     45: 
                     46: Execute `link.com' to link the compiled files into `temacs.exe'.
                     47:  This process uses `temacs.opt'.  You will get lots of linker warnings
                     48:  telling you that there were compiler warnings.  Just ignore them.
                     49: 
                     50: Execute `[-.etc]complink.com' to compile and link the files
                     51:  in the [emacs.etc] directory.  This must be done before 
                     52:  `[-.etc]makedoc.com' can be run.
                     53: 
                     54: Execute `[-.etc]makedoc.com' to create or update the file `[-.etc]doc.'.
                     55:  This must be done if that file does not yet exist or if any of
                     56:  the Emacs C sources or preloaded Lisp sources has changed.
                     57:  It must be done before `build.com' is run in order to take effect.
                     58: 
                     59: Execute `build.com' to run `temacs.exe', initialize it and preload
                     60:  some Lisp code, and dump the map file `temacs.dump' containing a copy
                     61:  of all the impure storage after initialization.
                     62: 
                     63: Execute `testemacs.com' to define the `runtemacs' command
                     64:  to run `temacs.exe' with its map file `temacs.dump'.
                     65: 
                     66: To install an Emacs, rename `temacs.dump' as `[-]emacs.dump' and
                     67:  rename `temacs.exe' as `[-]emacs.exe'.

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