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| author | Steven Rostedt <srostedt@redhat.com> | 2012-06-18 14:09:22 -0400 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2012-06-19 15:03:05 -0400 |
| commit | 0b58a99eb27aa522a3cd16ece09c8045b322b9ce (patch) | |
| tree | d202a48fb2e658e8970fde79c1fcf7a40a76df05 /scripts | |
| parent | 485802a6c524e62b5924849dd727ddbb1497cc71 (diff) | |
| download | linux-0b58a99eb27aa522a3cd16ece09c8045b322b9ce.tar.gz linux-0b58a99eb27aa522a3cd16ece09c8045b322b9ce.tar.bz2 linux-0b58a99eb27aa522a3cd16ece09c8045b322b9ce.zip | |
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>
Diffstat (limited to 'scripts')
| -rw-r--r-- | scripts/kconfig/streamline_config.pl | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/scripts/kconfig/streamline_config.pl b/scripts/kconfig/streamline_config.pl index bccf07ddd0b6..5c1ce8761205 100644 --- a/scripts/kconfig/streamline_config.pl +++ b/scripts/kconfig/streamline_config.pl @@ -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})) { |