From 810aa74319dc908313a0c4ad8dcc63e9b63ccb1a Mon Sep 17 00:00:00 2001
From: MilhouseVH <milhouseVH.github@nmacleod.com>
Date: Sun, 13 Oct 2019 22:26:34 +0100
Subject: [PATCH] ffmpeg: rebuild whenever libraries change

---
 packages/multimedia/ffmpeg/package.mk | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/packages/multimedia/ffmpeg/package.mk b/packages/multimedia/ffmpeg/package.mk
index eb4cfea091..a1691ab997 100644
--- a/packages/multimedia/ffmpeg/package.mk
+++ b/packages/multimedia/ffmpeg/package.mk
@@ -17,8 +17,9 @@ PKG_BUILD_FLAGS="-gold"
 get_graphicdrivers
 
 if [ "${V4L2_SUPPORT}" = "yes" ]; then
-  PKG_PATCH_DIRS+=" v4l2"
   PKG_DEPENDS_TARGET+=" libdrm"
+  PKG_NEED_UNPACK+=" $(get_pkg_directory libdrm)"
+  PKG_PATCH_DIRS+=" v4l2"
   PKG_FFMPEG_V4L2="--enable-v4l2_m2m --enable-libdrm"
 else
   PKG_FFMPEG_V4L2="--disable-v4l2_m2m"
@@ -26,6 +27,7 @@ fi
 
 if [ "${VAAPI_SUPPORT}" = "yes" ]; then
   PKG_DEPENDS_TARGET+=" libva"
+  PKG_NEED_UNPACK+=" $(get_pkg_directory libva)"
   PKG_FFMPEG_VAAPI="--enable-vaapi"
 else
   PKG_FFMPEG_VAAPI="--disable-vaapi"
@@ -33,22 +35,25 @@ fi
 
 if [ "${VDPAU_SUPPORT}" = "yes" -a "${DISPLAYSERVER}" = "x11" ]; then
   PKG_DEPENDS_TARGET+=" libvdpau"
+  PKG_NEED_UNPACK+=" $(get_pkg_directory libvdpau)"
   PKG_FFMPEG_VDPAU="--enable-vdpau"
 else
   PKG_FFMPEG_VDPAU="--disable-vdpau"
 fi
 
 if [ "${PROJECT}" = "Rockchip" ]; then
-  PKG_PATCH_DIRS+=" rkmpp"
   PKG_DEPENDS_TARGET+=" rkmpp"
+  PKG_NEED_UNPACK+=" $(get_pkg_directory rkmpp)"
+  PKG_PATCH_DIRS+=" rkmpp"
   PKG_FFMPEG_RKMPP="--enable-rkmpp --enable-libdrm --enable-version3"
 else
   PKG_FFMPEG_RKMPP="--disable-rkmpp"
 fi
 
 if [ "${PROJECT}" = "Allwinner" ]; then
-  PKG_PATCH_DIRS+=" v4l2-request-api"
   PKG_DEPENDS_TARGET+=" libdrm systemd" # systemd is needed for libudev
+  PKG_NEED_UNPACK+=" $(get_pkg_directory libdrm) $(get_pkg_directory systemd)"
+  PKG_PATCH_DIRS+=" v4l2-request-api"
   PKG_FFMPEG_V4L2_REQUEST="--enable-v4l2-request --enable-libudev --enable-libdrm"
 fi
 
@@ -60,6 +65,7 @@ fi
 
 if [ "${KODIPLAYER_DRIVER}" = "bcm2835-driver" ]; then
   PKG_DEPENDS_TARGET+=" bcm2835-driver"
+  PKG_NEED_UNPACK+=" $(get_pkg_directory bcm2835-driver)"
   PKG_PATCH_DIRS+=" rpi-hevc"
 fi
 
@@ -75,6 +81,7 @@ fi
 
 if target_has_feature "(neon|sse)"; then
   PKG_DEPENDS_TARGET+=" dav1d"
+  PKG_NEED_UNPACK+=" $(get_pkg_directory dav1d)"
   PKG_FFMPEG_AV1="--enable-libdav1d"
 fi