On Tue, Feb 20, 2007 at 09:46:17AM +0200, Avi Kivity wrote:
> Muli Ben-Yehuda wrote:
> >Thanks for the analysis, this problem is understood. Avi commited a
> >fix for -14 a few days back, but the fix re-breaks
> >--kerneldir. Reenabling --kerneldir is simple - see attached patch -
> >but since this is obviously a fragile area, I decided not to push for
> >its inclusion. Maybe I'm the sole --kerneldir user :-)
> >
> >
>
> I want --kerneldir to work; but as you say the build stuff is
> ridiculously fragile.
>
> How was this tested?
I used this simple script to compare vanilla and patched and verified
the output is the same:
onebuild ()
{
./configure --qemu-cc=gcc-3.4 $1 && echo "XXX configure done" && (cd kernel
&& make LINUX=~/kvm/linux-2.6 sync) && make
echo "XXX installing..."
sudo make install
echo "XXX cleaning"
make clean
}
make clean
onebuild --kerneldir=/home/muli/iommu/calgary/obj.linux/
onebuild --kerneldir=/lib/modules/`uname -r`/build
onebuild
The patch I used is this one:
Index: kernel/Makefile
===================================================================
--- kernel/Makefile (revision 4461)
+++ kernel/Makefile (working copy)
@@ -1,4 +1,5 @@
-KERNELDIR := /lib/modules/$(shell uname -r)/build
+include ../config.mak
+
KVERREL = $(patsubst /lib/modules/%/build,%,$(KERNELDIR))
DESTDIR=
Index: configure
===================================================================
--- configure (revision 4461)
+++ configure (working copy)
@@ -94,7 +94,7 @@
cat <<EOF > config.mak
PREFIX=$prefix
-KERNELDIR=$(readlink -f $kerneldir)
+KERNELDIR=$kerneldir
WANT_MODULE=$want_module
EOF
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