diff --git a/configure.in b/configure.in
index de2a76f75..3780aaaca 100644
--- a/configure.in
+++ b/configure.in
@@ -82,7 +82,7 @@ CFLAGS="$iverilog_temp_cflags"
 
 AC_SUBST(DEPENDENCY_FLAG, [-MD])
 AC_SUBST(WARNING_FLAGS, ["-Wall $iverilog_wextra_flag -Wshadow"])
-AC_SUBST(WARNING_FLAGS_CC, ["-Wno-unused -Wno-sign-compare -Wno-type-limits"])
+AC_SUBST(WARNING_FLAGS_CC, ["-Wno-unused -Wno-sign-compare"])
 AC_SUBST(WARNING_FLAGS_CXX, [""])
 fi
 
diff --git a/ivlpp/lexor.lex b/ivlpp/lexor.lex
index f7073b58d..0fa66e41f 100644
--- a/ivlpp/lexor.lex
+++ b/ivlpp/lexor.lex
@@ -1,7 +1,7 @@
 %option prefix="yy"
 %{
 /*
- * Copyright (c) 1999-2013 Stephen Williams (steve@icarus.com)
+ * Copyright (c) 1999-2014 Stephen Williams (steve@icarus.com)
  *
  *    This source code is free software; you can redistribute it
  *    and/or modify it in source code form under the terms of the GNU
@@ -852,7 +852,7 @@ static void def_add_arg(void)
 
     char*arg = yytext;
     char*val;
-    int  val_length;
+    int  val_length = 0;
 
       /* Break into ARG = value. This happens if the source specifies
 	 a default value for the formal argument. In that case, the
diff --git a/tgt-vvp/vector.c b/tgt-vvp/vector.c
index 6dce423d0..c1142e308 100644
--- a/tgt-vvp/vector.c
+++ b/tgt-vvp/vector.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002-2010 Stephen Williams (steve@icarus.com)
+ * Copyright (c) 2002-2014 Stephen Williams (steve@icarus.com)
  *
  *    This source code is free software; you can redistribute it
  *    and/or modify it in source code form under the terms of the GNU
@@ -33,7 +33,7 @@ static struct allocation_score_s {
       unsigned  exp_bit : 24;
       unsigned  sig_bit : 24;
       unsigned alloc    :  8;
-} allocation_map[MAX_VEC] = { {0} };
+} allocation_map[MAX_VEC] = { {0, 0, 0, 0, 0, 0} };
 
 /* This is the largest bit to have lookaside values. */
 static unsigned lookaside_top = 0;
diff --git a/vpi/sys_random_mti.c b/vpi/sys_random_mti.c
index 8a20c6164..82e9e4dd1 100644
--- a/vpi/sys_random_mti.c
+++ b/vpi/sys_random_mti.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000-2010 Stephen Williams (steve@icarus.com)
+ * Copyright (c) 2000-2014 Stephen Williams (steve@icarus.com)
  *
  *    This source code is free software; you can redistribute it
  *    and/or modify it in source code form under the terms of the GNU
@@ -37,13 +37,7 @@
 /* Icarus seed cookie */
 #define COOKIE	0x1ca1ca1c
 
-static struct context_s global_context = {
-#if defined(__GCC__)
-    .mti =
-#else
-    /* For MSVC simply use the fact that mti is located first */
-#endif
-        NP1 };
+static struct context_s global_context = {NP1, {0} };
 
 static long mti_dist_uniform(long*seed, long start, long end)
 {