Removed warnings.

c/src/lib/libbsp/unix/posix/startup/bspstart.c

@@ -25,6 +25,11 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <fcntl.h>
+
+/* for sbrk prototype in linux */
+#if defined(linux)
+#define __USE_MISC
+#endif
 #include <unistd.h>
 
 #include <bsp.h>

c/src/lib/libbsp/unix/posix/startup/rtems-ctor.cc

@@ -82,7 +82,7 @@ extern "C" {
     int
     main(int argc,
          char **argv,
-         char **environp)
+         char ** /* environp is unused */)
     {
         rtems_argc = argc;
         rtems_argv = argv;