Zend: Add -Wshadow warning

Girgias · Girgias · commit b80d508cbbae · 2024-10-16T16:33:11.000+01:00
diff --git a/Zend/Zend.m4 b/Zend/Zend.m4
@@ -206,6 +206,9 @@ AX_CHECK_COMPILE_FLAG([-Wformat-truncation],
 AX_CHECK_COMPILE_FLAG([-Wstrict-prototypes],
   [CFLAGS="-Wstrict-prototypes $CFLAGS"],,
   [-Werror])
+AX_CHECK_COMPILE_FLAG([-Wshadow],
+  [CFLAGS="-Wshadow $CFLAGS"],,
+  [-Werror])
 AX_CHECK_COMPILE_FLAG([-fno-common],
   [CFLAGS="-fno-common $CFLAGS"],,
   [-Werror])
