v4l-utils: enable autoreconf, disable doxygen docs generation

autoreconf trips over the newer ax_proc_doxygen.m4 file from our
autoconf-archive which is not compatible with the ancient
version used in v4l-utils, just disable it as we don't want to
build docs anyways.

Signed-off-by: Matthias Reichl <hias@horus.com>

packages/sysutils/v4l-utils/package.mk

@@ -12,11 +12,13 @@ PKG_SITE="http://linuxtv.org/"
 PKG_URL="http://linuxtv.org/downloads/v4l-utils/$PKG_NAME-$PKG_VERSION.tar.bz2"
 PKG_DEPENDS_TARGET="toolchain alsa-lib systemd"
 PKG_LONGDESC="Linux V4L2 and DVB API utilities and v4l libraries (libv4l)."
+PKG_TOOLCHAIN="autotools"
 
 PKG_CONFIGURE_OPTS_TARGET="--without-jpeg \
 	--disable-bpf \
 	--enable-static \
-	--disable-shared"
+	--disable-shared \
+	--disable-doxygen-doc"
 
 pre_configure_target() {
   # cec-ctl fails to build in subdirs

packages/sysutils/v4l-utils/patches/v4l-utils-001-disable-doxygen-in-automake.patch

@@ -0,0 +1,26 @@
+From 137dd2edea4d6c70b10caebebed4778716070ed2 Mon Sep 17 00:00:00 2001
+From: Matthias Reichl <hias@horus.com>
+Date: Sun, 9 Feb 2020 00:16:29 +0100
+Subject: [PATCH] don't include doxygen autotools include
+
+Signed-off-by: Matthias Reichl <hias@horus.com>
+---
+ Makefile.am | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/Makefile.am b/Makefile.am
+index d20dfe0f..05dc8c1a 100644
+--- a/Makefile.am
++++ b/Makefile.am
+@@ -11,7 +11,7 @@ EXTRA_DIST = android-config.h bootstrap.sh doxygen_libdvbv5.cfg include COPYING.
+         COPYING.libdvbv5 README.libv4l README.lib-multi-threading TODO.libdvbv5 \
+         doc/libdvbv5-index.doc
+ 
+-include $(top_srcdir)/aminclude.am
++# include $(top_srcdir)/aminclude.am
+ 
+ # custom targets
+ 
+-- 
+2.20.1
+