gnu: qemu: Upgrade to 1.6.1.

* gnu/packages/patches/qemu-make-4.0.patch: New file.
* gnu/packages/qemu.scm (qemu-headless): Use it.  Upgrade to 1.6.1.
* gnu-system.am (dist_patch_DATA): Add it.

gnu-system.am

@@ -265,6 +265,7 @@ dist_patch_DATA =						\
   gnu/packages/patches/pspp-tests.patch				\
   gnu/packages/patches/pulseaudio-test-timeouts.patch		\
   gnu/packages/patches/python-fix-dbm.patch			\
+  gnu/packages/patches/qemu-make-4.0.patch			\
   gnu/packages/patches/qemu-multiple-smb-shares.patch		\
   gnu/packages/patches/qt4-tests.patch				\
   gnu/packages/patches/readline-link-ncurses.patch		\

gnu/packages/patches/qemu-make-4.0.patch

@@ -0,0 +1,32 @@
+Allow compilation with GNU Make 4.0.
+Patch from <http://lists.gnu.org/archive/html/qemu-devel/2013-10/msg02758.html>.
+Anaylsis at <http://lists.gnu.org/archive/html/bug-make/2013-10/msg00151.html>.
+
+--- a/configure
++++ b/configure
+@@ -308,6 +308,9 @@ query_pkg_config() {
+ pkg_config=query_pkg_config
+ sdl_config="${SDL_CONFIG-${cross_prefix}sdl-config}"
+ 
++# If the user hasn't specified ARFLAGS, default to 'rv', just as make does.
++ARFLAGS="${ARFLAGS-rv}"
++
+ # default flags for all hosts
+ QEMU_CFLAGS="-fno-strict-aliasing $QEMU_CFLAGS"
+ QEMU_CFLAGS="-Wall -Wundef -Wwrite-strings -Wmissing-prototypes $QEMU_CFLAGS"
+@@ -3664,6 +3667,7 @@ echo "C compiler        $cc"
+ echo "Host C compiler   $host_cc"
+ echo "C++ compiler      $cxx"
+ echo "Objective-C compiler $objcc"
++echo "ARFLAGS           $ARFLAGS"
+ echo "CFLAGS            $CFLAGS"
+ echo "QEMU_CFLAGS       $QEMU_CFLAGS"
+ echo "LDFLAGS           $LDFLAGS"
+@@ -4239,6 +4243,7 @@ echo "HOST_CC=$host_cc" >> $config_host_mak
+ echo "CXX=$cxx" >> $config_host_mak
+ echo "OBJCC=$objcc" >> $config_host_mak
+ echo "AR=$ar" >> $config_host_mak
++echo "ARFLAGS=$ARFLAGS" >> $config_host_mak
+ echo "AS=$as" >> $config_host_mak
+ echo "CPP=$cpp" >> $config_host_mak
+ echo "OBJCOPY=$objcopy" >> $config_host_mak

gnu/packages/qemu.scm

@@ -43,14 +43,15 @@
   ;; This is QEMU without GUI support.
   (package
     (name "qemu-headless")
-    (version "1.5.1")
+    (version "1.6.1")
     (source (origin
              (method url-fetch)
              (uri (string-append "http://wiki.qemu-project.org/download/qemu-"
                                  version ".tar.bz2"))
              (sha256
               (base32
-               "1s7316pgizpayr472la8p8a4vhv7ymmzd5qlbkmq6y9q5zpa25ac"))))
+               "152jc18mjs543k8ggbcwgra8d0zw81z0lcc1r0iq4iqhm926ywzw"))
+             (patches (list (search-patch "qemu-make-4.0.patch")))))
     (build-system gnu-build-system)
     (arguments
      '(#:phases (alist-replace