From b4a4a63cc4ed8ebd8c1fbbfb3b89a408e907045a Mon Sep 17 00:00:00 2001
From: Tuomas Tynkkynen <tuomas@tuxera.com>
Date: Tue, 13 Sep 2016 13:52:07 +0300
Subject: [PATCH] kernel generate-config.pl: Properly support string options

Or we get something like:

option not set correctly: NLS_DEFAULT (wanted 'utf8', got '"utf8"')
---
 pkgs/os-specific/linux/kernel/generate-config.pl | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pkgs/os-specific/linux/kernel/generate-config.pl b/pkgs/os-specific/linux/kernel/generate-config.pl
index 3cf1dc34baab..5574cc937af7 100644
--- a/pkgs/os-specific/linux/kernel/generate-config.pl
+++ b/pkgs/os-specific/linux/kernel/generate-config.pl
@@ -124,7 +124,10 @@ my %config;
 open CONFIG, "<.config" or die;
 while (<CONFIG>) {
     chomp;
-    if (/^CONFIG_([A-Za-z0-9_]+)=(.*)$/) {
+    if (/^CONFIG_([A-Za-z0-9_]+)="(.*)"$/) {
+        # String options have double quotes, e.g. 'CONFIG_NLS_DEFAULT="utf8"' and allow escaping.
+        ($config{$1} = $2) =~ s/\\([\\"])/$1/g;
+    } elsif (/^CONFIG_([A-Za-z0-9_]+)=(.*)$/) {
         $config{$1} = $2;
     } elsif (/^# CONFIG_([A-Za-z0-9_]+) is not set$/) {
         $config{$1} = "n";