qemu: for native, do not fail if kvm is unavailable

When building qemu-native, if the linux kvm header is unavailable (as
it is on CentOS 5.x 32-bit) then do not pass the --enable-kvm switch to
the configure script, thus avoiding failed do_configure.

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>

1 files changed, 8 insertions, 2 deletions

diff --git a/meta/recipes-devtools/qemu/qemu.inc b/meta/recipes-devtools/qemu/qemu.inc
index 65bd8dcaad..bd86b4e9cf 100644
--- a/meta/recipes-devtools/qemu/qemu.inc
+++ b/meta/recipes-devtools/qemu/qemu.inc
@@ -12,7 +12,7 @@ SDL ?= "--disable-sdl"
 SDL_virtclass-native ?= ""
 SDL_virtclass-nativesdk ?= ""
 
-EXTRA_OECONF += "--target-list=${@get_qemu_target_list(d)} --disable-werror --disable-vnc-tls --enable-kvm --audio-drv-list=oss,alsa --audio-card-list=ac97,es1370 ${SDL}"
+EXTRA_OECONF += "--target-list=${@get_qemu_target_list(d)} --disable-werror --disable-vnc-tls --audio-drv-list=oss,alsa --audio-card-list=ac97,es1370 ${SDL}"
 
 #EXTRA_OECONF += "--disable-sdl"
 
@@ -39,7 +39,13 @@ do_configure_prepend_virtclass-native() {
 }
 
 do_configure() {
-    ${S}/configure --prefix=${prefix} --sysconfdir=${sysconfdir} --disable-strip ${EXTRA_OECONF}
+    # Handle distros such as CentOS 5 32-bit that do not have kvm support
+    KVMOPTS=""
+    if [ "${PN}" != "qemu-native" ] || [ -f /usr/include/linux/kvm.h ] ; then
+        KVMOPTS="--enable-kvm"
+    fi
+
+    ${S}/configure --prefix=${prefix} --sysconfdir=${sysconfdir} --disable-strip ${EXTRA_OECONF} $KVMOPTS
     test ! -e ${S}/target-i386/beginend_funcs.sh || chmod a+x ${S}/target-i386/beginend_funcs.sh
 }