Compatibility patch for "backports-patched" with linux-grsec

--- PKGBUILD    2015-08-31 22:18:47.000000000 +0200
+++ PKGBUILD.patched    2015-11-16 01:24:01.540558846 +0100
@@ -5,6 +5,7 @@
 # Contributor: Mathias Buren <mathias.buren at gmail dot com>
 # Contributor: Benjamin Mtz (Cruznick) <cruznick at archlinux dot us>
 # Contributor: t3kk3n <corp at hush dot ai>
+# Contributor: Marc Straube <email@marcstraube.de>

 #TODO: Investigate empty dir - /usr/lib/modules/3.12.9-2-ARCH/
 #TODO: Document and finish automation for patching and config
@@ -12,6 +13,7 @@

 _runkernver=$(uname -r)
 _shortkernver=${_runkernver%.*}
+_kernelname=$(uname -r | cut -d'-' -f3)

 pkgname=backports-patched
 pkgver=4.2_rc1_1
@@ -22,7 +24,7 @@
 arch=('i686' 'x86_64')
 license=('GPL')
 depends=('linux')
-makedepends=('linux-api-headers' "linux-headers>=$_shortkernver")
+makedepends=('linux-api-headers' "linux-${_kernelname}-headers>=$_shortkernver")
 optdepends=('backports-frag+ack: wl-frag+ack patch')
 install=backports.install
 # Stable and rc? TODO: Check with rc :D | Double %% cuts to the first, single % cuts to the last
@@ -39,7 +41,7 @@
   warning "Skipping checksum check for snapshots"
 fi

-_extramodules=extramodules-${_shortkernver}-ARCH
+_extramodules=extramodules-${_shortkernver}-${_kernelname}
 _kernver=$(cat /usr/lib/modules/${_extramodules}/version) # TODO make this a lower boundary and utilize in reality pacman to get freshest paths. Or make it for specific kernels. Or multiply it over specific kernels ? :3

 _cfgdir="/etc/makepkg.d/${pkgname}/"
@@ -101,6 +103,28 @@
  .PHONY: modules_install
 EOF

+# https://dev.openwrt.org/browser/trunk/package/kernel/mac80211/patches/020-backports-do-not-add-debugfs_create_devm_seqfile-on-.patch?rev=46492
+echo "Patching debugfs.h"
+patch -p0 <<'EOF'
+--- backport-include/linux/debugfs.h   2015-07-12 01:29:39.000000000 +0200
++++ debugfs.h  2015-11-16 00:45:43.997159897 +0100
+@@ -5,6 +5,8 @@
+ #include <linux/device.h>
+ #include <generated/utsrelease.h>
+
++#if LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0)
++#define debugfs_create_devm_seqfile LINUX_BACKPORT(debugfs_create_devm_seqfile)
+ #if defined(CONFIG_DEBUG_FS)
+ struct dentry *debugfs_create_devm_seqfile(struct device *dev, const char *name,
+                      struct dentry *parent,
+@@ -20,5 +22,6 @@
+   return ERR_PTR(-ENODEV);
+ }
+ #endif /* CONFIG_DEBUG_FS */
++#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(3,19,0) */
+
+ #endif /* __BACKPORT_DEBUGFS_H_ */
+EOF
 }

 build() {