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optc-gen.awk: No need to duplicate option flags twice.

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gcc/
	* optc-gen.awk: No need to duplicate option flags twice.
	Reuse help texts for duplicate options which do not have
	any.

From-SVN: r144526
This commit is contained in:
Ralf Wildenhues 2009-03-01 12:20:33 +00:00 • committed by Ralf Wildenhues
parent 1156c176fb
commit a16d1645a3
2 changed files with 10 additions and 5 deletions
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4
gcc/ChangeLog
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@ -1,5 +1,9 @@
2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
* optc-gen.awk: No need to duplicate option flags twice.
Reuse help texts for duplicate options which do not have
any.
* gcc.c (display_help): Document --version.
* gcc.c (main): If print_help_list and verbose_flag, ensure

11
gcc/optc-gen.awk
View file

@ -1,4 +1,4 @@
# Copyright (C) 2003, 2004, 2007, 2008 Free Software Foundation, Inc.
# Copyright (C) 2003, 2004, 2007, 2008, 2009 Free Software Foundation, Inc.
# Contributed by Kelley Cook, June 2004.
# Original code from Neil Booth, May 2003.
#
@ -147,6 +147,8 @@ for (i = 0; i < n_opts; i++) {
# ends, for example.
while( i + 1 != n_opts && opts[i] == opts[i + 1] ) {
flags[i + 1] = flags[i] " " flags[i + 1];
if (help[i + 1] == "")
help[i + 1] = help[i]
i++;
back_chain[i] = "N_OPTS";
indices[opts[i]] = j;
@ -155,11 +157,10 @@ for (i = 0; i < n_opts; i++) {
}
for (i = 0; i < n_opts; i++) {
# Combine the flags of identical switches. Switches
# appear many times if they are handled by many front
# ends, for example.
# With identical flags, pick only the last one. The
# earlier loop ensured that it has all flags merged,
# and a nonempty help text if one of the texts was nonempty.
while( i + 1 != n_opts && opts[i] == opts[i + 1] ) {
flags[i + 1] = flags[i] " " flags[i + 1];
i++;
}