diff --git a/test/cmocka/CMakeLists.txt b/test/cmocka/CMakeLists.txt
index 24e27988f..b260c1411 100644
--- a/test/cmocka/CMakeLists.txt
+++ b/test/cmocka/CMakeLists.txt
@@ -15,7 +15,7 @@ else()
 		PREFIX "${PROJECT_BINARY_DIR}/cmocka_git"
 		BINARY_DIR ${cmocka_binary_directory}
 		CMAKE_ARGS -DCMAKE_BUILD_TYPE=Release
-			-DCMAKE_C_COMPILER=${CMAKE_C_COMPILER}
+			-DCMAKE_TOOLCHAIN_FILE=${CMAKE_CURRENT_SOURCE_DIR}/cmocka-xtensa-xt-toolchain.cmake
 			-DWITH_SHARED_LIB=OFF
 			-DWITH_STATIC_LIB=ON
 			-DWITH_EXAMPLES=OFF
diff --git a/test/cmocka/cmocka-xtensa-xt-toolchain.cmake b/test/cmocka/cmocka-xtensa-xt-toolchain.cmake
new file mode 100644
index 000000000..6d7271757
--- /dev/null
+++ b/test/cmocka/cmocka-xtensa-xt-toolchain.cmake
@@ -0,0 +1,28 @@
+message(STATUS "Preparing Xtensa toolchain")
+
+set(CMAKE_SYSTEM_NAME Generic)
+set(CMAKE_SYSTEM_VERSION 1)
+
+set(CMAKE_ASM_COMPILER_FORCED 1)
+set(CMAKE_C_COMPILER_FORCED 1)
+
+set(CMAKE_ASM_COMPILER_ID GNU)
+set(CMAKE_C_COMPILER_ID GNU)
+
+set(CROSS_COMPILE "xt-")
+
+set(CMAKE_C_COMPILER 	${CROSS_COMPILE}xcc)
+
+set(CMAKE_LD		${CROSS_COMPILE}ld CACHE STRING "")
+set(CMAKE_AR		${CROSS_COMPILE}ar CACHE STRING "")
+set(CMAKE_OBJCOPY	${CROSS_COMPILE}objcopy)
+set(CMAKE_OBJDUMP	${CROSS_COMPILE}objdump)
+
+set(CMAKE_FIND_ROOT_PATH  ".")
+set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+
+# Cmocka is written in C99, but for some reason it sets this flag, only on Posix
+# We set up it here, because our system is Generic
+add_definitions("-std=gnu99")