Re: [Xen-devel] ioemu build failure with GCC > 4.3

[prashanth.mundkur@xxxxxxxxxx]

On Mon, Jul 14, 2008 at 04:12:29PM +0100, Ian Jackson wrote:
> Ross Philipson writes ("RE: [Xen-devel] ioemu build failure with GCC > 4.3"):
> > Not sure why you get an error. I have gcc 4.3 and I added it in
> > ioemu-remote/xen-setup as in:
> > 
> > ./configure --disable-gcc-check --disable-slirp --disable-ncurses blah
> > blah
> > 
> > Xen tools built to completion after I added it.
> 
> Can you produce a log of your build ?  I saw what you see below.  It
> did exit with status 0 but it appears always to print those error
> messages.
> 
> This looks like a qemu upstream bug in configure to me.

I think bug is triggered if gcc3 is not installed on the system. Is it
possible that Ross doesn't see it because he has both gcc3 and gcc4
installed?  Here's how I fixed my build:

diff --git a/configure b/configure
index 2366aa6..0ef2540 100755
--- a/configure
+++ b/configure
@@ -1241,11 +1241,16 @@ case "$target_cpu" in
     fi
     echo "#define CONFIG_DYNGEN_OP 1" >> $config_h
     gcc3minver=`$cc --version 2> /dev/null| fgrep "(GCC) 3." | awk '{ print $3 
}' | cut -f2 -d.`
-    if test -n "$gcc3minver" -a $gcc3minver -gt 3
+    if test -n "$gcc3minver"
     then
-      echo "HAVE_GT_GCC_3_3=true" >> $config_mak
+      if test -a $gcc3minver -gt 3;
+      then
+        echo "HAVE_GT_GCC_3_3=true" >> $config_mak
+      else
+        echo "HAVE_GT_GCC_3_3=false" >> $config_mak
+      fi
     else
-      echo "HAVE_GT_GCC_3_3=false" >> $config_mak
+      echo "HAVE_GT_GCC_3_3=true" >> $config_mak
     fi
   ;;
   x86_64)
diff --git a/xen-setup b/xen-setup
index 755b9ec..b0eda89 100755
--- a/xen-setup
+++ b/xen-setup
@@ -9,7 +9,7 @@ rm -f config-host.mak
 
 if test -f config-host.h; then mv config-host.h config-host.h~; fi
 
-./configure --disable-curses --disable-slirp "$@" --prefix=/usr
+./configure --disable-gcc-check --disable-curses --disable-slirp "$@" 
--prefix=/usr
 
 target=i386-dm
 

--prashanth

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