Warning fixes

* CMake now not applying C++ flags to C files
* GCC 4.4: anti-aliasing rules
* MSVC: narrowing, differences in subclass function parameters
* Clang: uninitialized variables

2 files changed, 3 insertions, 3 deletions

diff --git a/host/lib/usrp/b200/b200_iface.cpp b/host/lib/usrp/b200/b200_iface.cpp
index 0f799e571..270d3bb4b 100644
--- a/host/lib/usrp/b200/b200_iface.cpp
+++ b/host/lib/usrp/b200/b200_iface.cpp
@@ -549,7 +549,7 @@ public:
         size_t file_size = 0;
         {
             std::ifstream file(filename, std::ios::in | std::ios::binary | std::ios::ate);
-            file_size = file.tellg();
+            file_size = size_t(file.tellg());
         }
 
         std::ifstream file;
diff --git a/host/lib/usrp/b200/b200_impl.cpp b/host/lib/usrp/b200/b200_impl.cpp
index d53325c61..eead07e85 100644
--- a/host/lib/usrp/b200/b200_impl.cpp
+++ b/host/lib/usrp/b200/b200_impl.cpp
@@ -688,7 +688,7 @@ void b200_impl::register_loopback_self_test(wb_iface::sptr iface)
 {
     bool test_fail = false;
     UHD_MSG(status) << "Performing register loopback test... " << std::flush;
-    size_t hash = time(NULL);
+    size_t hash = size_t(time(NULL));
     for (size_t i = 0; i < 100; i++)
     {
         boost::hash_combine(hash, i);
@@ -1007,6 +1007,6 @@ sensor_value_t b200_impl::get_ref_locked(void)
 sensor_value_t b200_impl::get_fe_pll_locked(const bool is_tx)
 {
     const boost::uint32_t st = _local_ctrl->peek32(RB32_CORE_PLL);
-    const bool locked = is_tx ? bool(st & 0x1) : bool(st & 0x2);
+    const bool locked = is_tx ? ((st & 0x1) > 0) : ((st & 0x2) > 0);
     return sensor_value_t("LO", locked, "locked", "unlocked");
 }