diff --git a/config/functions b/config/functions
index d5e97974c9..82041fc97a 100644
--- a/config/functions
+++ b/config/functions
@@ -391,6 +391,9 @@ setup_toolchain() {
         echo "SET(CMAKE_C_COMPILER   $CC)"  >> $CMAKE_CONF
         echo "SET(CMAKE_CXX_COMPILER $CXX)" >> $CMAKE_CONF
         echo "SET(CMAKE_CPP_COMPILER $CPP)" >> $CMAKE_CONF
+        echo "SET(CMAKE_ASM_FLAGS_MINSIZEREL -DNDEBUG)" >> $CMAKE_CONF
+        echo "SET(CMAKE_CXX_FLAGS_MINSIZEREL -DNDEBUG)" >> $CMAKE_CONF
+        echo "SET(CMAKE_C_FLAGS_MINSIZEREL -DNDEBUG)" >> $CMAKE_CONF
         echo "SET(CMAKE_FIND_ROOT_PATH  $SYSROOT_PREFIX)"   >> $CMAKE_CONF
         echo "SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)" >> $CMAKE_CONF
         echo "SET(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)"  >> $CMAKE_CONF
@@ -443,6 +446,9 @@ setup_toolchain() {
         echo "SET(CMAKE_C_COMPILER   $CC)"  >> $CMAKE_CONF
         echo "SET(CMAKE_CXX_COMPILER $CXX)" >> $CMAKE_CONF
         echo "SET(CMAKE_CPP_COMPILER $CXX)" >> $CMAKE_CONF
+        echo "SET(CMAKE_ASM_FLAGS_RELEASE -DNDEBUG)" >> $CMAKE_CONF
+        echo "SET(CMAKE_CXX_FLAGS_RELEASE -DNDEBUG)" >> $CMAKE_CONF
+        echo "SET(CMAKE_C_FLAGS_RELEASE -DNDEBUG)" >> $CMAKE_CONF
         echo "SET(CMAKE_AR $AR CACHE FILEPATH "Archiver")" >> $CMAKE_CONF # hum?
         echo "SET(CMAKE_FIND_ROOT_PATH  $TOOLCHAIN)" >> $CMAKE_CONF
         echo "SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM BOTH)" >> $CMAKE_CONF
diff --git a/scripts/build b/scripts/build
index c6c231d6f7..131150d6de 100755
--- a/scripts/build
+++ b/scripts/build
@@ -184,7 +184,8 @@ HOST_CONFIGURE_OPTS="--host=${HOST_NAME} \
 
 HOST_CMAKE_OPTS="${CMAKE_GENERATOR} \
                  -DCMAKE_TOOLCHAIN_FILE=${CMAKE_CONF} \
-                 -DCMAKE_INSTALL_PREFIX=${TOOLCHAIN}"
+                 -DCMAKE_INSTALL_PREFIX=${TOOLCHAIN} \
+                 -DCMAKE_BUILD_TYPE=Release"
 
 HOST_MESON_OPTS="--prefix=${TOOLCHAIN} \
                  --bindir=${TOOLCHAIN}/bin \