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localmodconfig: Comments and cleanup for streamline_config.pl 

Added some more comments and cleaned up part of the the code to use
a named variable instead of one of the special $1 perl variables.

No functional changes.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Steven Rostedt 2012-06-18 14:09:22 -04:00 committed by Steven Rostedt
parent 485802a6c5
commit 0b58a99eb2
1 changed files with 9 additions and 4 deletions
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13
scripts/kconfig/streamline_config.pl
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@ -186,6 +186,7 @@ sub read_kconfig {
$state = "NEW";
$config = $2;
# Add depends for 'if' nesting
for (my $i = 0; $i < $iflevel; $i++) {
if ($i) {
$depends{$config} .= " " . $ifdeps[$i];
@ -204,10 +205,11 @@ sub read_kconfig {
# Get the configs that select this config
} elsif ($state ne "NONE" && /^\s*select\s+(\S+)/) {
if (defined($selects{$1})) {
$selects{$1} .= " " . $config;
my $conf = $1;
if (defined($selects{$conf})) {
$selects{$conf} .= " " . $config;
} else {
$selects{$1} = $config;
$selects{$conf} = $config;
}
# configs without prompts must be selected
@ -250,6 +252,7 @@ if ($kconfig) {
read_kconfig($kconfig);
}
# Makefiles can use variables to define their dependencies
sub convert_vars {
my ($line, %vars) = @_;
@ -293,6 +296,7 @@ foreach my $makefile (@makefiles) {
my $objs;
# Convert variables in a line (could define configs)
$_ = convert_vars($_, %make_vars);
# collect objects after obj-$(CONFIG_FOO_BAR)
@ -373,7 +377,8 @@ while (<LIN>) {
close (LIN);
# add to the configs hash all configs that are needed to enable
# a loaded module.
# a loaded module. This is a direct obj-${CONFIG_FOO} += bar.o
# where we know we need bar.o so we add FOO to the list.
my %configs;
foreach my $module (keys(%modules)) {
if (defined($objects{$module})) {