diff --git a/.gitignore b/.gitignore
index b22cac9..5ea4ca2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,6 +8,5 @@
 /.eric6project
 /demos
 /tests/code
-/support/sim.links
 /scratchbook/
-ATTIC
+/ATTIC
diff --git a/config b/config
index a89aa31..1710160 100644
--- a/config
+++ b/config
@@ -20,7 +20,7 @@ export PYTHONPYCACHEPREFIX=${PYTHONPYCACHEPREFIX:-$(realpath ${SDKROOT}/build/py
 export HOME=${SDKROOT}
 
 export HPY=${HOST_PREFIX}/bin/python${PYBUILD}
-export HPIP=${HOST_PREFIX}/bin/pip${PYBUILD}
+export HPIP="${HPY} -mpip"
 
 # cpython build opts
 export CPOPTS="-Os -g0 -fPIC"
diff --git a/scripts/cpython-build-host-deps.sh b/scripts/cpython-build-host-deps.sh
index 5677fc5..fd0ca88 100755
--- a/scripts/cpython-build-host-deps.sh
+++ b/scripts/cpython-build-host-deps.sh
@@ -13,3 +13,4 @@ $HPIP install --upgrade pip
 
 # 3.12 and git deprecated setuptools bundling.
 $HPIP install --upgrade setuptools
+
diff --git a/scripts/cpython-fetch.sh b/scripts/cpython-fetch.sh
index 85899e0..e4d6399 100755
--- a/scripts/cpython-fetch.sh
+++ b/scripts/cpython-fetch.sh
@@ -75,9 +75,9 @@ fi
 
 if echo $PYBUILD | grep -q 11$
 then
-    wget -q -c https://www.python.org/ftp/python/3.11.5/Python-3.11.5.tar.xz
-    tar xf Python-3.11.5.tar.xz
-    ln -s Python-3.11.5 cpython${PYBUILD}
+    wget -q -c https://www.python.org/ftp/python/3.11.6/Python-3.11.6.tar.xz
+    tar xf Python-3.11.6.tar.xz
+    ln -s Python-3.11.6 cpython${PYBUILD}
     export REBUILD=true
 fi
 
diff --git a/scripts/wasisdk-fetch.sh b/scripts/wasisdk-fetch.sh
new file mode 100755
index 0000000..6f7d3b5
--- /dev/null
+++ b/scripts/wasisdk-fetch.sh
@@ -0,0 +1,62 @@
+#!/bin/bash
+
+
+if [[ -z ${WASISDK+z} ]]
+then
+    . ${CONFIG:-config}
+
+    export WASISDK="${SDKROOT}/wasisdk"
+    export WASI_SDK_PREFIX="${WASISDK}/upstream"
+
+
+
+    if [ -d ${WASI_SDK_PREFIX} ]
+    then
+        echo "
+        * using wasisdk from $(realpath wasisdk/upstream)
+            with sys python $SYS_PYTHON
+" 1>&2
+    else
+        pushd wasisdk
+        if [ -f /pp ]
+        then
+            wget -c http://192.168.1.66/cfake/wasi-sdk-20.0-linux.tar.gz
+        else
+            wget -c https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-20/wasi-sdk-20.0-linux.tar.gz
+        fi
+        tar xfz wasi-sdk-20.0-linux.tar.gz
+        mv wasi-sdk-20.0 upstream && rm wasi-sdk-20.0-linux.tar.gz
+        ln ${SDKROOT}/wasisdk/bin/wasi ${SDKROOT}/wasisdk/bin/wasi-c
+        ln ${SDKROOT}/wasisdk/bin/wasi ${SDKROOT}/wasisdk/bin/wasi-cpp
+        ln ${SDKROOT}/wasisdk/bin/wasi ${SDKROOT}/wasisdk/bin/wasi-c++
+        popd
+
+    fi
+
+    export PATH="${WASISDK}/bin:${WASI_SDK_PREFIX}/bin:$PATH"
+
+    export WASI_SYSROOT="${WASI_SDK_PREFIX}/share/wasi-sysroot"
+
+    export CC="${WASISDK}/bin/wasi-c"
+    export CPP="${WASISDK}/bin/wasi-cpp"
+    export CXX="${WASISDK}/bin/wasi++"
+
+
+    export LDSHARED="${WASI_SDK_PREFIX}/bin/wasm-ld"
+    export AR="${WASI_SDK_PREFIX}/bin/llvm-ar"
+    export RANLIB="${WASI_SDK_PREFIX}/bin/ranlib"
+
+
+    # instruct pkg-config to use wasi target root
+    export PKG_CONFIG_PATH="${SDKROOT}/devices/wasi/usr/lib/pkgconfig"
+
+    # for thirparty prebuilts .pc in sdk
+    export PKG_CONFIG_LIBDIR="${WASI_SYSROOT}/lib/pkgconfig:${WASI_SYSROOT}/share/pkgconfig"
+    export PKG_CONFIG_SYSROOT_DIR="${WASI_SYSROOT}"
+
+
+
+
+else
+    echo "wasidk: config already set !" 1>&2
+fi