From 72b9eebf686381fae5b20652863108d3d8e5a743 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= <ludo@gnu.org>
Date: Sun, 10 Feb 2013 18:28:00 +0100
Subject: gnu: Add QEMU.

* gnu/packages/autotools.scm (autoconf-wrapper): Make public.
* gnu/packages/qemu.scm (qemu): New variable.
---
 gnu/packages/autotools.scm |  2 +-
 gnu/packages/qemu.scm      | 56 +++++++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 56 insertions(+), 2 deletions(-)

(limited to 'gnu')

diff --git a/gnu/packages/autotools.scm b/gnu/packages/autotools.scm
index 5c90361de1..bc4dddc01f 100644
--- a/gnu/packages/autotools.scm
+++ b/gnu/packages/autotools.scm
@@ -62,7 +62,7 @@ file that lists the operating system features that the package
 can use, in the form of M4 macro calls.")
     (license gpl3+))) ; some files are under GPLv2+
 
-(define autoconf-wrapper
+(define-public autoconf-wrapper
   ;; An Autoconf wrapper that generates `configure' scripts that use our
   ;; own Bash instead of /bin/sh in shebangs.  For that reason, it
   ;; should only be used internally---users should not end up
diff --git a/gnu/packages/qemu.scm b/gnu/packages/qemu.scm
index b79da989a6..e6859aadf0 100644
--- a/gnu/packages/qemu.scm
+++ b/gnu/packages/qemu.scm
@@ -19,8 +19,10 @@
 (define-module (gnu packages qemu)
   #:use-module (guix download)
   #:use-module (guix packages)
+  #:use-module (guix utils)
   #:use-module ((guix licenses) #:select (gpl2))
   #:use-module (guix build-system gnu)
+  #:use-module (gnu packages autotools)
   #:use-module (gnu packages pkg-config)
   #:use-module (gnu packages glib)
   #:use-module (gnu packages python)
@@ -29,7 +31,8 @@
   #:use-module (gnu packages libpng)
   #:use-module (gnu packages libjpeg)
   #:use-module (gnu packages attr)
-  #:use-module (gnu packages linux))
+  #:use-module (gnu packages linux)
+  #:use-module (gnu packages perl))
 
 (define-public qemu-kvm
   (package
@@ -87,3 +90,54 @@ underway to get the required changes upstream.")
 
     ;; Many files are GPLv2+, but some are GPLv2-only---e.g., `memory.c'.
     (license gpl2)))
+
+(define-public qemu
+  ;; The real one, with a complete target list.
+  (package (inherit qemu-kvm)
+    (name "qemu")
+    (version "1.3.1")
+    (location (source-properties->location (current-source-location)))
+    (source (origin
+             (method url-fetch)
+             (uri (string-append "http://wiki.qemu-project.org/download/qemu-"
+                                 version ".tar.bz2"))
+             (sha256
+              (base32
+               "1bqfrb5dlsxm8gxhkksz8qzi5fhj3xqhxyfwbqcphhcv1kpyfwip"))))
+    (arguments
+     (substitute-keyword-arguments (package-arguments qemu-kvm)
+       ((#:phases phases)
+        `(alist-cons-before
+          'build 'pre-build
+          (lambda* (#:key inputs #:allow-other-keys)
+            (let ((libtool    (assoc-ref inputs "libtool"))
+                  (pkg-config (assoc-ref inputs "pkg-config")))
+              ;; XXX: For lack of generic search path handling.
+              (setenv "ACLOCAL_PATH"
+                      (format #f "~a/share/aclocal:~a/share/aclocal"
+                              libtool pkg-config)))
+
+            ;; For pixman's `configure' script.
+            (setenv "CONFIG_SHELL" (which "bash"))
+
+            (substitute* "pixman/configure.ac"
+              (("AM_CONFIG_HEADER") "AC_CONFIG_HEADERS")))
+          ,phases))))
+    (native-inputs `(("autoconf" ,autoconf-wrapper) ; for "pixman"
+                     ("automake" ,automake)
+                     ("libtool" ,libtool)
+                     ("libtool-bin" ,libtool "bin")
+                     ("perl" ,perl)))
+    (description
+     "QEMU is a generic and open source machine emulator and virtualizer.
+
+When used as a machine emulator, QEMU can run OSes and programs made for one
+machine (e.g. an ARM board) on a different machine
+(e.g. your own PC).  By using dynamic translation, it achieves very good
+performance.
+
+When used as a virtualizer, QEMU achieves near native performances by
+executing the guest code directly on the host CPU.  QEMU supports
+virtualization when executing under the Xen hypervisor or using
+the KVM kernel module in Linux.  When using KVM, QEMU can virtualize x86,
+server and embedded PowerPC, and S390 guests.")))
-- 
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