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- To build xgrab:
-
- See ANNOUNCE for details on what software is required.
-
- You must follow the same environment conventions for CPU and PATH
- as used to build interviews.
-
- You must have a symbolic link called 'lib' in this directory,
- pointing off to ...../iv/installed/lib, where "...." is
- a full or relative path name into the interviews source/object tree.
- That directory in turn should contain subdirectories.
-
- You must have a symbolic link called InterViews in the directory
- include. That link must point off to ...../iv/src/InterViews.
-
- You must have a symbolic link called CCinclude in the directory
- ui. This must point off to the local installation area for
- the g++ library, in order to find things like <string.h> and <math.h>
- in a form suitable for g++. These files contain declarations for
- external C functions such as strlen; these functions are implemented
- in the vanilla C library. These <*.h> files are NOT distributed by
- Linton's interview group, since they apparently don't use any of
- the standard libraries.
-
- When distributed, these symbolic links are set assuming
- that this directory hierarchy:
- $R/graphlay.d
- $R/graphlay.d/xgrab.d
- $R/graphlay.d/xgrab.d/ui
- $R/graphlay.d/iv.d
- graphlay.d/iv.d/iv
-
- The tar file is created for the subdirectory 'xgrab.d'.
-
- The latest version (1.6) of the GC when compiled on vax/ultrix
- and linked with xgrab did not work (core dump).
- The older version works. The ui/Makefile is configured
- to use the older version.
-
- If you have a big machine and small graphs, then you do not need the GC
- at all. You can change the ui/Makefile so that it does not define the
- C preprocessor symbol 'GarbageCollect'.
-