From 9dc8335294b63a065313f5144d607af89d7cb518 Mon Sep 17 00:00:00 2001
From: "William A. Kennington III" <william@wkennington.com>
Date: Fri, 20 Mar 2015 14:41:03 -0700
Subject: [PATCH] kernel/common-config: Fix older kernels

---
 .../linux/kernel/common-config.nix            | 21 ++++++++++++++-----
 1 file changed, 16 insertions(+), 5 deletions(-)

diff --git a/pkgs/os-specific/linux/kernel/common-config.nix b/pkgs/os-specific/linux/kernel/common-config.nix
index c1939f3218e9..c3bd372d291f 100644
--- a/pkgs/os-specific/linux/kernel/common-config.nix
+++ b/pkgs/os-specific/linux/kernel/common-config.nix
@@ -171,7 +171,9 @@ with stdenv.lib;
   XFS_RT? y # XFS Realtime subvolume support
   OCFS2_DEBUG_MASKLOG? n
   BTRFS_FS_POSIX_ACL y
-  UBIFS_FS_XATTR? y
+  ${optionalString (versionAtLeast version "3.12") ''
+    UBIFS_FS_XATTR? y
+  ''}
   UBIFS_FS_ADVANCED_COMPR? y
   ${optionalString (versionAtLeast version "3.6") ''
     NFS_SWAP y
@@ -194,12 +196,17 @@ with stdenv.lib;
   ${optionalString (versionAtLeast version "3.14") ''
     CEPH_FS_POSIX_ACL y
   ''}
-  SQUASHFS_FILE_DIRECT y
-  SQUASHFS_DECOMP_MULTI_PERCPU y
+  ${optionalString (versionAtLeast version "3.13") ''
+    SQUASHFS_FILE_DIRECT y
+    SQUASHFS_DECOMP_MULTI_PERCPU y
+  ''}
   SQUASHFS_XATTR y
   SQUASHFS_ZLIB y
   SQUASHFS_LZO y
   SQUASHFS_XZ y
+  ${optionalString (versionAtLeast version "3.19") ''
+    SQUASHFS_LZ4 y
+  ''}
 
   # Security related features.
   STRICT_DEVMEM y # Filter access to /dev/mem
@@ -235,7 +242,9 @@ with stdenv.lib;
   BT_HCIUART_BCSP? y
   BT_HCIUART_H4? y # UART (H4) protocol support
   BT_HCIUART_LL? y
-  BT_RFCOMM_TTY? y # RFCOMM TTY support
+  ${optionalString (versionAtLeast version "3.4") ''
+    BT_RFCOMM_TTY? y # RFCOMM TTY support
+  ''}
   CRASH_DUMP? n
   ${optionalString (versionOlder version "3.1") ''
     DMAR? n # experimental
@@ -310,7 +319,9 @@ with stdenv.lib;
   FTRACE_SYSCALLS y
   SCHED_TRACER y
   STACK_TRACER y
-  UPROBE_EVENT y
+  ${optionalString (versionAtLeast version "3.10") ''
+    UPROBE_EVENT y
+  ''}
   FUNCTION_PROFILER y
   RING_BUFFER_BENCHMARK n