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[Qemu-devel] [PATCH 1/5] configure: add --disable-tcg configure option
From: |
Anthony Liguori |
Subject: |
[Qemu-devel] [PATCH 1/5] configure: add --disable-tcg configure option |
Date: |
Fri, 2 Sep 2011 16:47:59 -0500 |
This lets you build without TCG (KVM only). When this flag is passed to
configure, it will automatically filter out the target list to only those that
support KVM.
I guess the same could be done for Xen but I'll let the Xen folks figure that
one out :-)
Signed-off-by: Anthony Liguori <address@hidden>
---
configure | 40 +++++++++++++++++++++++++++++++++++++++-
1 files changed, 39 insertions(+), 1 deletions(-)
diff --git a/configure b/configure
index a8ea688..04f121c 100755
--- a/configure
+++ b/configure
@@ -130,6 +130,7 @@ xen_ctrl_version=""
linux_aio=""
attr=""
xfs=""
+tcg="yes"
vhost_net="no"
kvm="no"
@@ -643,6 +644,10 @@ for opt do
;;
--enable-kvm) kvm="yes"
;;
+ --disable-tcg) tcg="no"
+ ;;
+ --enable-tcg) tcg="yes"
+ ;;
--disable-spice) spice="no"
;;
--enable-spice) spice="yes"
@@ -2877,7 +2882,6 @@ qemu_version=`head $source_path/VERSION`
echo "VERSION=$qemu_version" >>$config_host_mak
echo "PKGVERSION=$pkgversion" >>$config_host_mak
echo "SRC_PATH=$source_path" >> $config_host_mak
-echo "TARGET_DIRS=$target_list" >> $config_host_mak
if [ "$docs" = "yes" ] ; then
echo "BUILD_DOCS=yes" >> $config_host_mak
fi
@@ -3135,6 +3139,23 @@ if test "$static" = "no" -a "$user_pie" = "yes" ; then
echo "QEMU_CFLAGS+=-fpie" > libdis-user/config.mak
fi
+kvm_incompatible() {
+ if test "$kvm" = "yes" -a \
+ \( "$1" = "$cpu" -o \
+ \( "$1" = "ppcemb" -a "$cpu" = "ppc" \) -o \
+ \( "$1" = "ppc64" -a "$cpu" = "ppc" \) -o \
+ \( "$1" = "ppc" -a "$cpu" = "ppc64" \) -o \
+ \( "$1" = "ppcemb" -a "$cpu" = "ppc64" \) -o \
+ \( "$1" = "x86_64" -a "$cpu" = "i386" \) -o \
+ \( "$1" = "i386" -a "$cpu" = "x86_64" \) \) ; then
+ return 1
+ else
+ return 0
+ fi
+}
+
+target_list2=
+
for target in $target_list; do
target_dir="$target"
config_target_mak=$target_dir/config-target.mak
@@ -3185,6 +3206,17 @@ case "$target" in
;;
esac
+if test "$tcg" = "no"; then
+ if test "$target_softmmu" = "no"; then
+ continue;
+ fi
+ if kvm_incompatible "$target_arch2"; then
+ continue;
+ fi
+fi
+
+target_list2="$target $target_list2"
+
mkdir -p $target_dir
mkdir -p $target_dir/fpu
mkdir -p $target_dir/tcg
@@ -3213,6 +3245,10 @@ TARGET_ARCH="$target_arch2"
TARGET_BASE_ARCH=""
TARGET_ABI_DIR=""
+if test "$tcg" = "yes"; then
+ echo "CONFIG_TCG=1" >> $config_target_mak
+fi
+
case "$target_arch2" in
i386)
target_phys_bits=64
@@ -3598,6 +3634,8 @@ echo "QEMU_INCLUDES+=$includes" >> $config_target_mak
done # for target in $targets
+echo "TARGET_DIRS=$target_list2" >> $config_host_mak
+
# build tree in object directory in case the source is not in the current
directory
DIRS="tests tests/cris slirp audio block net pc-bios/optionrom"
DIRS="$DIRS pc-bios/spapr-rtas"
--
1.7.4.1
- [Qemu-devel] [RFC PATCH 0/5] Add configure flag to disable TCG, Anthony Liguori, 2011/09/02
- [Qemu-devel] [PATCH 1/5] configure: add --disable-tcg configure option,
Anthony Liguori <=
- [Qemu-devel] [PATCH 4/5] tcg: don't build tcg/tcg.o, tcg/optimize.o, or translate-all.o when TCG disabled, Anthony Liguori, 2011/09/02
- [Qemu-devel] [PATCH 2/5] vl: don't expose TCG as a supported accelerator if TCG is disabled, Anthony Liguori, 2011/09/02
- [Qemu-devel] [PATCH 3/5] tcg: add tcg_enabled() and stop compiling translate.o when TCG is disabled, Anthony Liguori, 2011/09/02
- [Qemu-devel] [PATCH 5/5] tcg: don't build cpu-exec.o, op_helper.o, or fpu/softloat.o when TCG disabled, Anthony Liguori, 2011/09/02
- Re: [Qemu-devel] [RFC PATCH 0/5] Add configure flag to disable TCG, Blue Swirl, 2011/09/03