dtc: Optimise by default, fix warnings thus uncovered
This patch turns on optimisation in the Makefile by default. With the
optimizer on, some uninitialized variable warnings (one real, two
bogus) are now generated. This patch also squashes those again.
diff --git a/dtc.c b/dtc.c
index ecd9fe5..8f5fe2f 100644
--- a/dtc.c
+++ b/dtc.c
@@ -71,7 +71,7 @@
fill_fullpaths(child, tree->fullpath);
}
-static void usage(void)
+static void __attribute__ ((noreturn)) usage(void)
{
fprintf(stderr, "Usage:\n");
fprintf(stderr, "\tdtc [options] <input file>\n");