keyutils: Make reproducible

Based on debian patch.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

libs/keyutils/Makefile

@@ -1,4 +1,4 @@
-# 
+#
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
 #
@@ -7,7 +7,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=keyutils
 PKG_VERSION:=1.6
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
 PKG_SOURCE_URL:=https://people.redhat.com/dhowells/keyutils/

libs/keyutils/patches/010-reproducible-build.patch

@@ -0,0 +1,11 @@
+--- a/Makefile
++++ b/Makefile
+@@ -108,7 +108,7 @@ all: keyctl request-key key.dns_resolver
+ ###############################################################################
+ #RPATH = -Wl,-rpath,$(LIBDIR)
+ 
+-VCPPFLAGS	:= -DPKGBUILD="\"$(shell date -u +%F)\""
++VCPPFLAGS	:= -DPKGBUILD="\"for OpenWrt"\"
+ VCPPFLAGS	+= -DPKGVERSION="\"keyutils-$(VERSION)\""
+ VCPPFLAGS	+= -DAPIVERSION="\"libkeyutils-$(APIVERSION)\""
+