diff --git a/bootstrap-plugins.sh b/bootstrap-plugins.sh
index cc6af13..3051225 100755
--- a/bootstrap-plugins.sh
+++ b/bootstrap-plugins.sh
@@ -196,3 +196,31 @@ if [ "${MACOS}" -eq 0 ]; then
 fi
 
 # ---------------------------------------------------------------------------------------------------------------------
+# carla (backend only)
+
+CARLA_EXTRAFLAGS="HAVE_ALSA=false"
+CARLA_EXTRAFLAGS+=" HAVE_JACK=false"
+CARLA_EXTRAFLAGS+=" HAVE_PULSEAUDIO=false"
+CARLA_EXTRAFLAGS+=" HAVE_DGL=false"
+CARLA_EXTRAFLAGS+=" HAVE_HYLIA=false"
+CARLA_EXTRAFLAGS+=" HAVE_GTK2=false"
+CARLA_EXTRAFLAGS+=" HAVE_GTK3=false"
+CARLA_EXTRAFLAGS+=" HAVE_X11=false"
+CARLA_EXTRAFLAGS+=" HAVE_FFMPEG=false"
+CARLA_EXTRAFLAGS+=" HAVE_FLUIDSYNTH=false"
+CARLA_EXTRAFLAGS+=" HAVE_LIBLO=false"
+CARLA_EXTRAFLAGS+=" HAVE_LIBMAGIC=false"
+CARLA_EXTRAFLAGS+=" HAVE_PYQT=false"
+CARLA_EXTRAFLAGS+=" HAVE_QT=false"
+CARLA_EXTRAFLAGS+=" HAVE_QT4=false"
+CARLA_EXTRAFLAGS+=" HAVE_QT5=false"
+CARLA_EXTRAFLAGS+=" HAVE_SNDFILE=false"
+CARLA_EXTRAFLAGS+=" EXTERNAL_PLUGINS=false"
+CARLA_EXTRAFLAGS+=" USING_JUCE=false"
+CARLA_EXTRAFLAGS+=" USING_JUCE_AUDIO_DEVICES=false"
+CARLA_EXTRAFLAGS+=" USING_JUCE_GUI_EXTRA=false"
+
+download carla ${CARLA_VERSION} "https://github.com/falkTX/Carla.git" "" "git"
+build_make carla ${CARLA_VERSION} "${CARLA_EXTRAFLAGS}"
+
+# ---------------------------------------------------------------------------------------------------------------------
diff --git a/build-plugins.sh b/build-plugins.sh
index f1cc1f6..eb44d59 100755
--- a/build-plugins.sh
+++ b/build-plugins.sh
@@ -45,9 +45,11 @@ function validate_lv2_bundle() {
             "${LV2DIR}/kx-*/*.ttl" \
             "/tmp/pawpaw-plugin-check/${lv2bundle}/*.ttl" 1>&2
 
-    env LANG=C LV2_PATH=/tmp/pawpaw-plugin-check WINEDEBUG=-all \
-        "${EXE_WRAPPER}" \
-        "${PAWPAW_PREFIX}/bin/lv2ls${APP_EXT}" | tr -d '\r'
+    if [ "${CROSS_COMPILING}" -eq 0 ] || [ -n "${EXE_WRAPPER}" ]; then
+        env LANG=C LV2_PATH=/tmp/pawpaw-plugin-check WINEDEBUG=-all \
+            ${EXE_WRAPPER} \
+            "${PAWPAW_PREFIX}/bin/lv2ls${APP_EXT}" | tr -d '\r'
+    fi
 
     rm -rf /tmp/pawpaw-plugin-check
 }
@@ -55,16 +57,18 @@ function validate_lv2_bundle() {
 function validate_lv2_plugin() {
     local lv2plugin="${1}"
 
-    local carlaenv="CARLA_BRIDGE_DUMMY=1 CARLA_BRIDGE_TESTING=1"
+    local carlaenv="CARLA_BRIDGE_DUMMY=1"
 
     if [ "${WIN64}" -eq 1 ]; then
-        carlaenv+=" CARLA_BRIDGE_PLUGIN_BINARY_TYPE=win64"
+        carlaenv+=" CARLA_BRIDGE_TESTING=win64"
     elif [ "${WIN32}" -eq 1 ]; then
-        carlaenv+=" CARLA_BRIDGE_PLUGIN_BINARY_TYPE=win32"
+        carlaenv+=" CARLA_BRIDGE_TESTING=win32"
+    else
+        carlaenv+=" CARLA_BRIDGE_TESTING=native"
     fi
 
     env LANG=C LV2_PATH="${LV2DIR}" WINEDEBUG=-all ${carlaenv} \
-        carla-single lv2 "${lv2plugin}" 1>/dev/null
+        "${PAWPAW_PREFIX}/bin/carla-single" lv2 "${lv2plugin}" 1>/dev/null
 }
 
 # ---------------------------------------------------------------------------------------------------------------------
diff --git a/setup/versions.sh b/setup/versions.sh
index ca288ee..d9157a0 100644
--- a/setup/versions.sh
+++ b/setup/versions.sh
@@ -22,10 +22,12 @@ LIBVORBIS_VERSION=1.3.7
 # ---------------------------------------------------------------------------------------------------------------------
 # plugins
 
+CARLA_VERSION=1e7c7dc4bd4da0a6593d096e3ea525321b0983cc
 KXSTUDIO_LV2_EXTENSIONS_VERSION=fae65fbc173cd2c4367e85917a6ef97280532d88
 LILV_VERSION=0.24.10
 LV2_VERSION=1.18.0
 LV2LINT_VERSION=0.8.0
+MOD_SDK_VERSION=TODO
 MXML_VERSION=3.1
 SERD_VERSION=0.30.6
 SORD_VERSION=0.16.6