diff --git a/config b/config
index 33b98e9..0535768 100644
--- a/config
+++ b/config
@@ -28,7 +28,7 @@ export CPOPTS="-Os -g0 -fPIC"
 
 if [ -f ${ROOT}/dev ]
 then
-    export COPTS="-O0 -g3 -fPIC"
+    export COPTS="-O1 -g3 -fPIC"
     export QUIET=""
 else
     export COPTS="-Os -g0 -fPIC"
diff --git a/python-wasm-sdk.sh b/python-wasm-sdk.sh
index 03d283c..11138d0 100755
--- a/python-wasm-sdk.sh
+++ b/python-wasm-sdk.sh
@@ -21,7 +21,7 @@ ORIGIN=$(pwd)
 
 # 3.12 3.11 3.10
 
-BUILDS=${BUILDS:-3.12 3.11}
+BUILDS=${BUILDS:-3.12 3.11 3.10}
 
 for PYBUILD in $BUILDS
 do
diff --git a/scripts/cpython-build-emsdk-deps.sh b/scripts/cpython-build-emsdk-deps.sh
index 47e54b8..3eca792 100755
--- a/scripts/cpython-build-emsdk-deps.sh
+++ b/scripts/cpython-build-emsdk-deps.sh
@@ -53,7 +53,7 @@ cd $ROOT
 # http://code.google.com/intl/en-US/speed/webp/index.html
 
 ALL="-fPIC -s USE_SDL=2 -sUSE_LIBPNG -sUSE_LIBJPEG $CPPFLAGS"
-CNF="emconfigure ./configure --prefix=$PREFIX --with-pic --disable-shared"
+CNF="emconfigure ./configure --prefix=$PREFIX --with-pic --disable-shared --host $(clang -dumpmachine)"
 
 # ncurses ncursesw
 
@@ -110,17 +110,19 @@ then
 "
 else
     #[ -d SDL_image ] || git clone https://github.com/libsdl-org/SDL_image
-    if [ -d SDL2_image-2.5.1 ]
+    if [ -d SDL2_image-2.6.1 ]
     then
         echo "
             * build SDL2_image pre release
         "  1>&2
     else
-        wget -c -q https://github.com/libsdl-org/SDL_image/releases/download/candidate-2.5.1/SDL2_image-2.5.1.tar.gz
-        tar xfz SDL2_image-2.5.1.tar.gz
+        #bad png+grayscale https://github.com/libsdl-org/SDL_image/releases/download/candidate-2.5.1/SDL2_image-2.5.1.tar.gz
+        wget -c -q https://github.com/libsdl-org/SDL_image/releases/download/release-2.6.1/SDL2_image-2.6.1.tar.gz
+
+        tar xfz SDL2_image-2.6.1.tar.gz
     fi
 
-    pushd SDL2_image-2.5.1
+    pushd SDL2_image-2.6.1
     CFLAGS=$CPOPTS EMCC_CFLAGS="$ALL" CC=emcc  $CNF \
      --disable-sdltest --disable-jpg-shared --disable-png-shared
     #--disable-tif-shared
diff --git a/scripts/cpython-build-emsdk.sh b/scripts/cpython-build-emsdk.sh
index 08c247a..6efa070 100755
--- a/scripts/cpython-build-emsdk.sh
+++ b/scripts/cpython-build-emsdk.sh
@@ -244,10 +244,11 @@ fi
         cp -Rfv $ROOT/support/__EMSCRIPTEN__.patches/${PYBUILD}/. $PREFIX/lib/python${PYBUILD}/
 
         cp -vf build/cpython-wasm/libpython${PYBUILD}.a prebuilt/emsdk/
-        if [ -f build/cpython-wasm/Modules/expat/libexpat.a ]
-        then
-            cp build/cpython-wasm/Modules/expat/libexpat.a prebuilt/emsdk/libexpat${PYBUILD}.a
-        fi
+        for lib in $(find build/cpython-wasm/|grep lib.*.a$)
+        do
+            name=$(basename $lib .a)
+            cp $lib prebuilt/emsdk/${name}${PYBUILD}.a
+        done
         rmdir  $PREFIX/lib/python${PYBUILD}/lib-dynload
     fi
 fi
diff --git a/scripts/emsdk-fetch.sh b/scripts/emsdk-fetch.sh
index a047ace..057cd8e 100755
--- a/scripts/emsdk-fetch.sh
+++ b/scripts/emsdk-fetch.sh
@@ -134,6 +134,7 @@ else
 fi
 
 END
+
         cat emsdk/upstream/emscripten/emcc > emsdk/upstream/emscripten/em++
 
         cat > emsdk/upstream/emscripten/emar <<END