diff --git a/pkgs/development/libraries/libxml2/builder.sh b/pkgs/development/libraries/libxml2/builder.sh
new file mode 100755
index 00000000000..9ee072d12e5
--- /dev/null
+++ b/pkgs/development/libraries/libxml2/builder.sh
@@ -0,0 +1,16 @@
+. $stdenv/setup
+
+configureFlags=""
+if test "$pythonSupport"; then
+    configureFlags="--with-python=$python $configureFlags"
+fi
+
+patchPhase() {
+    echo "Patching"
+    mv configure configure.old
+    sed -e "s^pythondir=.*$^pythondir=$out/lib/python2.3/site-packages^" < configure.old > configure
+    chmod u+x configure
+}
+patchPhase=patchPhase
+
+genericBuild