Don't clutter build logs.
Index: configure
--- configure.orig
+++ configure
@@ -6289,7 +6289,6 @@ fi
                      -Wcast-qual \
                      -Wextra \
                      -Wpointer-arith \
-                     -Wredundant-decls \
                      -Wreturn-type \
                      -Wshadow \
                      -Wsign-compare \
@@ -21020,7 +21019,7 @@ fi
 
 
 
- if test "$(uname -o)" = "FreeBSD"; then
+ if test "$(uname -s)" = "FreeBSD"; then
   FreeBSD_TRUE=
   FreeBSD_FALSE='#'
 else
