[RFC] passthrough for configure options to qemu

[Carlo Marcelo Arenas Belon <carenas-kLeDWSohozoJb6fo7hG9ng@public.gmane.org>]

The following patch Implement a configure passthrough for qemu and 
migrate all current qemu specific configuration flags (enable-alsa, 
disable-vnc-tls and disable-gcc-check) to use it.

It leaves a description of the current flags (as used in kvm's configure)
as a reference but I'm not sure if that is the right approach since the
wording with the corresponding qemu flags is different and the list is
obviously never going to be all inclusive.

Signed-off-by: Carlo Marcelo Arenas Belon <carenas-kLeDWSohozoJb6fo7hG9ng@public.gmane.org>
---
 configure |   26 +++++++-------------------
 1 files changed, 7 insertions(+), 19 deletions(-)

diff --git a/configure b/configure
index a0c8746..e4ef880 100755
--- a/configure
+++ b/configure
@@ -6,9 +6,7 @@ want_module=1
 qemu_cc=
 qemu_cflags=
 qemu_ldflags=
-enable_alsa=
-disable_vnc_tls=
-disable_gcc_check=
+qemu_conf=
 cross_prefix=
 arch=`uname -m`
 target_exec=
@@ -26,8 +24,10 @@ usage() {
 	    --qemu-cc=CC           specify compiler for qemu (must be gcc-3.x)
 	    --qemu-cflags=CFLAGS   CFLAGS to add to qemu configuration
 	    --qemu-ldflags=LDFLAGS LDFLAGS to add to qemu configuration
-	    --enable-alsa          enable alsa support for qemu
-	    --disable-vnc-tls      disable vnc tls support for qemu
+
+	Any additional option is given to qemu's configure verbatim, including:
+	    --enable-alsa          enable alsa support
+	    --disable-vnc-tls      disable vnc tls support
 	    --disable-gcc-check    don't insist on gcc-3.x
 	                           CAUTION: this will break running without kvm
 EOF
@@ -60,15 +60,6 @@ while [[ "$1" = -* ]]; do
 	--qemu-ldflags)
 	    qemu_ldflags="$arg"
 	    ;;
-	--enable-alsa)
-	    enable_alsa=1
-	    ;;
-	--disable-vnc-tls)
-	    disable_vnc_tls=1
-	    ;;
-	--disable-gcc-check)
-	    disable_gcc_check=1
-	    ;;
 	--arch)
 	    arch="$arg"
 	    ;;
@@ -79,7 +70,7 @@ while [[ "$1" = -* ]]; do
 	    usage
 	    ;;
 	*)
-	    usage
+	    qemu_conf="$qemu_conf $opt"
 	    ;;
     esac
 done
@@ -111,13 +102,10 @@ fi
     --disable-kqemu --extra-cflags="-I $PWD/../user $qemu_cflags" \
     --extra-ldflags="-L $PWD/../user $qemu_ldflags" \
     --enable-kvm --kernel-path="$libkvm_kerneldir" \
-    ${enable_alsa:+"--enable-alsa"} \
-    ${disable_vnc_tls:+"--disable-vnc-tls"} \
-    ${disable_gcc_check:+"--disable-gcc-check"} \
     --prefix="$prefix" \
     ${qemu_cc:+"--cc=$qemu_cc"} \
     ${cross_prefix:+"--cross-prefix=$cross_prefix"} \
-    ${cross_prefix:+"--cpu=$arch"}
+    ${cross_prefix:+"--cpu=$arch"} $qemu_conf
 )
 
 
-- 
1.5.2.5


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