build: Handle string options

From: Trent Piepho <xyzzy@speakeasy.org>

Deal with string options and the default values.

There is only one string option, and it's disabled, but someone could
always add more.

Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>

1 files changed, 29 insertions, 0 deletions

diff --git a/v4l/scripts/make_kconfig.pl b/v4l/scripts/make_kconfig.pl
index 8ed189aef..5e9e416d1 100755
--- a/v4l/scripts/make_kconfig.pl
+++ b/v4l/scripts/make_kconfig.pl
@@ -5,6 +5,7 @@ use strict;
 my %depend = ();
 my %minver = ();
 my %config = ();
+my %stringopt = ();
 my %intopt = ();
 my %hexopt = ();
 my %tristate = ();
@@ -70,6 +71,7 @@ sub add_int($)
 {
 	my $arg=shift;
 
+	print "Int: $arg\n" if $debug;
 	exists $config{$arg} or die "Adding unknown int '$arg'";
 	$intopt{$arg} = 0;
 }
@@ -78,10 +80,20 @@ sub add_hex($)
 {
 	my $arg=shift;
 
+	print "Hex: $arg\n" if $debug;
 	exists $config{$arg} or die "Adding unknown hex '$arg'";
 	$hexopt{$arg} = 0;
 }
 
+sub add_string($)
+{
+	my $arg=shift;
+
+	print "String: $arg\n" if $debug;
+	exists $config{$arg} or die "Adding unknown string '$arg'";
+	$stringopt{$arg} = "";
+}
+
 sub set_int_value($$)
 {
 	my $key = shift;
@@ -100,6 +112,15 @@ sub set_hex_value($$)
 	$hexopt{$key} = "0x$val";
 }
 
+sub set_string_value($$)
+{
+	my $key = shift;
+	my $val = shift;
+
+	exists $stringopt{$key} or die "Default for unknown string option '$key'";
+	$stringopt{$key} = "\"$val\"";
+}
+
 sub add_config($)
 {
 	my $arg = shift;
@@ -349,6 +370,8 @@ sub open_kconfig($$) {
 			add_int($key);
 		} elsif (/^\s*hex\s/) {
 			add_hex($key);
+		} elsif (/^\s*string\s/) {
+			add_string($key);
 
 		# select and depend lines
 		} elsif (m|^\s*depends on\s+(.+?)\s*$|) {
@@ -365,6 +388,9 @@ sub open_kconfig($$) {
 			# Get default for hex options
 			} elsif ($o =~ m|^"(0x)?([[:xdigit:]]+)"$| && exists $hexopt{$key}) {
 				set_hex_value($key, $2);
+			# Get default for string options
+			} elsif ($o =~ m|^"(.*)"$| && exists $stringopt{$key}) {
+				set_string_value($key, $1);
 
 			# Override default for disabled tri/bool options
 			# We don't care about the default for tri/bool options otherwise
@@ -537,6 +563,9 @@ if ($force_kconfig==1 || !-e '.config') {
 	while (my ($key,$value) = each %hexopt) {
 		print OUT "CONFIG_$key=$value\n" if($config{$key});
 	}
+	while (my ($key,$value) = each %stringopt) {
+		print OUT "CONFIG_$key=$value\n" if($config{$key});
+	}
 	close OUT;
 	print "Created default (all yes) .config file\n";
 }