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resolve/remove USAGE_LICENSE macros; remove repetitive (c) strings

This takes another small step towards disentangling the build
system from the old AT&T environment. The USAGE_LICENSE macros with
author and copyright information, which was formerly generated
dynamically for each file from a database, are eliminated and the
copyright/author information is instead inserted into the AST
getopt usage strings directly.

Repetitive license/copyright information is also removed from the
getopt strings in the builtin commands (src/lib/libcmd/*.c and
src/cmd/ksh93/data/builtins.c). There's no need to include 55
identical license/copyright strings in the ksh binary; one (in the
main ksh getopt string, shown by ksh --man) ought to be enough!
This makes the ksh binary about 10k smaller.

It does mean that something like 'enum --author', 'typeset
--license' or 'shift --copyright' will now not show those notices
for those builtins, but I doubt anyone will care.
This commit is contained in:
Martijn Dekker 2021-01-31 10:41:11 +00:00
parent 66e1d44642
commit ede479967f
65 changed files with 236 additions and 223 deletions

View file

@ -27,7 +27,7 @@
static const char usage[] =
"[-?\n@(#)$Id: sync (AT&T Research) 2006-10-04 $\n]"
USAGE_LICENSE
"[--catalog?" ERROR_CATALOG "]"
"[+NAME?sync - schedule file system updates]"
"[+DESCRIPTION?\bsync\b calls \bsync\b(2), which causes all information "
"in memory that updates file systems to be scheduled for writing out to "