add parens when bit and arith ops are mixed in macros in public headers

[musl] / configure

diff --git a/configure b/configure
index 40712c5..aa3cb42 100755 (executable)
--- a/configure
+++ b/configure
@@ -375,7 +375,6 @@ tryflag CFLAGS_AUTO -Werror=pointer-arith
 
 if test "x$warnings" = xyes ; then
 tryflag CFLAGS_AUTO -Wall
-tryflag CFLAGS_AUTO -Wcast-align
 tryflag CFLAGS_AUTO -Wno-parentheses
 tryflag CFLAGS_AUTO -Wno-uninitialized
 tryflag CFLAGS_AUTO -Wno-missing-braces