Fix problem with default #defines
Cleanup compiler warning
diff --git a/include/environment.h b/include/environment.h
index fe8465b..bb10964 100644
--- a/include/environment.h
+++ b/include/environment.h
@@ -47,8 +47,15 @@
# if !defined(CFG_ENV_ADDR_REDUND) && defined(CFG_ENV_OFFSET_REDUND)
# define CFG_ENV_ADDR_REDUND (CFG_FLASH_BASE + CFG_ENV_OFFSET_REDUND)
# endif
-# ifndef CFG_ENV_SIZE
-# define CFG_ENV_SIZE CFG_ENV_SECT_SIZE
+# if defined(CFG_ENV_SECT_SIZE) || defined(CFG_ENV_SIZE)
+# ifndef CFG_ENV_SECT_SIZE
+# define CFG_ENV_SECT_SIZE CFG_ENV_SIZE
+# endif
+# ifndef CFG_ENV_SIZE
+# define CFG_ENV_SIZE CFG_ENV_SECT_SIZE
+# endif
+# else
+# error "Both CFG_ENV_SECT_SIZE and CFG_ENV_SIZE undefined"
# endif
# if defined(CFG_ENV_ADDR_REDUND) && !defined(CFG_ENV_SIZE_REDUND)
# define CFG_ENV_SIZE_REDUND CFG_ENV_SIZE