ext4_config: set CONFIG_HAVE_OWN_ERRNO default value to 0

CMakeLists.txt

@@ -22,7 +22,7 @@ elseif(CMAKE_SYSTEM_PROCESSOR STREQUAL  cortex-m4)
 elseif(CMAKE_SYSTEM_PROCESSOR STREQUAL  bf518)
     #...
 elseif(CMAKE_SYSTEM_PROCESSOR STREQUAL  avrxmega7)
-    #...
+    add_definitions(-DCONFIG_HAVE_OWN_ERRNO=1)
 elseif(CMAKE_SYSTEM_PROCESSOR STREQUAL  msp430g2210)
     add_definitions(-DCONFIG_DEBUG_PRINTF=0)
     add_definitions(-DCONFIG_DEBUG_ASSERT=0)
@@ -31,7 +31,7 @@ elseif(LIB_ONLY)
     add_definitions(-DCONFIG_DEBUG_PRINTF=0)
     add_definitions(-DCONFIG_DEBUG_ASSERT=0)
     add_definitions(-DCONFIG_HAVE_OWN_OFLAGS=1)
-    add_definitions(-DCONFIG_HAVE_OWN_ERRNO=1)
+    add_definitions(-DCONFIG_HAVE_OWN_ERRNO=0)
     add_definitions(-DCONFIG_BLOCK_DEV_CACHE_SIZE=16)
 else()
     #Generic example target

lwext4/ext4_config.h

@@ -95,7 +95,7 @@ extern "C" {
 
 /**@brief   Include error codes from ext4_errno or standard library.*/
 #ifndef CONFIG_HAVE_OWN_ERRNO
-#define CONFIG_HAVE_OWN_ERRNO 1
+#define CONFIG_HAVE_OWN_ERRNO 0
 #endif
 
 /**@brief   Debug printf enable (stdout)*/