giflib: Update to 5.1.2, remove doc build

docbook breaks build on some hosts, skip it (in a not very elegant way)

Signed-off-by: Daniel Golle daniel@makrotopia.org
Signed-off-by: Ted Hess <thess@kitschensync.net>

libs/giflib/Makefile

@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2006-2015 OpenWrt.org
+# Copyright (C) 2006-2016 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
@@ -8,12 +8,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=giflib
-PKG_VERSION:=5.1.1
+PKG_VERSION:=5.1.2
 PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
 PKG_SOURCE_URL:=@SF/giflib
-PKG_MD5SUM:=1c39333192712788c6568c78a949f13e
+PKG_MD5SUM:=323a9f11ab56c8a2d1715376410ce376
 
 PKG_MAINTAINER:=Ted Hess <thess@kitschensync.net>
 
@@ -39,7 +39,6 @@ define Package/giflib/description
 endef
 
 TARGET_CFLAGS += $(FPIC)
-CONFIGURE_ARGS += --enable-x11=no
 
 define Build/Compile
 	$(MAKE) -C $(PKG_BUILD_DIR)

libs/giflib/patches/100-no-docs.patch

@@ -0,0 +1,10 @@
+--- a/configure.ac
++++ b/configure.ac
+@@ -21,7 +21,6 @@ AC_PROG_MAKE_SET
+ AM_PROG_CC_C_O
+ 
+ dnl Allow partial building on systems without xmlto
+-AC_CHECK_PROG([have_xmlto], [xmlto], ["yes"],["no"])
+ AM_CONDITIONAL([BUILD_DOC], [test "x${have_xmlto}" = "xyes"])
+ 
+ dnl Shared-library version