QEMU guest agent qemu-ga

buildroot_config_fragment

@@ -3,6 +3,8 @@ BR2_PACKAGE_BUSYBOX_CONFIG_FRAGMENT_FILES="../busybox_config_fragment"
 BR2_PACKAGE_DHRYSTONE=y
 BR2_PACKAGE_KERNEL_MODULE=y
 BR2_PACKAGE_OVERRIDE_FILE="../buildroot_override"
+# For qemu-ga on guest. TODO: do something with it, and document it.
+BR2_PACKAGE_QEMU=y
 BR2_PACKAGE_STRACE=y
 BR2_ROOTFS_OVERLAY="../rootfs_overlay"
 BR2_ROOTFS_POST_BUILD_SCRIPT="../rootfs_post_build_script"
@@ -10,6 +12,7 @@ BR2_ROOTFS_POST_IMAGE_SCRIPT="../rootfs_post_image_script"
 BR2_ROOTFS_USERS_TABLES="../user_table"
 BR2_TARGET_ROOTFS_CPIO=y
 BR2_TARGET_ROOTFS_EXT2=y
+BR2_TOOLCHAIN_BUILDROOT_WCHAR=y
 
 # Host GDB
 BR2_GDB_VERSION="7.11.1"

buildroot_config_fragment_x11

@@ -15,4 +15,3 @@ BR2_PACKAGE_XSERVER_XORG_SERVER=y
 BR2_PACKAGE_XTERM=y
 BR2_TOOLCHAIN_BUILDROOT_CXX=y
 BR2_TOOLCHAIN_BUILDROOT_WCHAR=y
-BR2_USE_WCHAR=y

buildroot_override

@@ -1,2 +1,3 @@
 HOST_QEMU_OVERRIDE_SRCDIR = ../qemu
 LINUX_OVERRIDE_SRCDIR = ../linux
+QEMU_OVERRIDE_SRCDIR = ../qemu

buildroot_patches/qemu-rm-with-system-pixman.patch

@@ -0,0 +1,12 @@
+diff --git a/package/qemu/qemu.mk b/package/qemu/qemu.mk
+index f02df8bcc1..3b139bafa9 100644
+--- a/package/qemu/qemu.mk
++++ b/package/qemu/qemu.mk
+@@ -224,7 +224,6 @@ define QEMU_CONFIGURE_CMDS
+ 		./configure \
+ 			--prefix=/usr \
+ 			--cross-prefix=$(TARGET_CROSS) \
+-			--with-system-pixman \
+ 			--audio-drv-list= \
+ 			--enable-kvm \
+ 			--enable-attr \