3 files changed, 4 insertions, 4 deletions
diff --git a/util/cbfstool/tools/lzma/C/7zip/Compress/LZ/IMatchFinder.h b/util/cbfstool/tools/lzma/C/7zip/Compress/LZ/IMatchFinder.h
index 9459f210d8..8b8480b2d2 100644
--- a/util/cbfstool/tools/lzma/C/7zip/Compress/LZ/IMatchFinder.h
+++ b/util/cbfstool/tools/lzma/C/7zip/Compress/LZ/IMatchFinder.h
@@ -26,7 +26,7 @@ struct IMatchFinder: public IInWindowStream
 
 struct IMatchFinderSetNumPasses
 {
-  //virtual ~IMatchFinderSetNumPasses(){}
+  virtual ~IMatchFinderSetNumPasses(){}
   virtual void SetNumPasses(UInt32 numPasses) PURE;
 };
 
diff --git a/util/cbfstool/tools/lzma/C/Common/MyWindows.h b/util/cbfstool/tools/lzma/C/Common/MyWindows.h
index 4ac3dfc5c2..0212fa77a3 100644
--- a/util/cbfstool/tools/lzma/C/Common/MyWindows.h
+++ b/util/cbfstool/tools/lzma/C/Common/MyWindows.h
@@ -101,7 +101,7 @@ typedef LONG SCODE;
 
 struct IUnknown
 {
-  //virtual ~IUnknown() {}
+  virtual ~IUnknown() {}
   STDMETHOD(QueryInterface) (REFIID iid, void **outObject) PURE;
   STDMETHOD_(ULONG, AddRef)() PURE;
   STDMETHOD_(ULONG, Release)() PURE;
diff --git a/util/cbfstool/tools/lzma/minilzma.cc b/util/cbfstool/tools/lzma/minilzma.cc
index 7610910a19..5437b59946 100644
--- a/util/cbfstool/tools/lzma/minilzma.cc
+++ b/util/cbfstool/tools/lzma/minilzma.cc
@@ -303,12 +303,12 @@ void do_lzma_compress(char *in, int in_len, char *out, int *out_len) {
 void do_lzma_uncompress(char *dst, int dst_len, char *src, int src_len) {
 	std::vector<unsigned char> result;
 	result = LZMADeCompress(std::vector<unsigned char>(src, src + src_len));
-	if (result.size() <= dst_len)
+	if (result.size() <= (SizeT)dst_len)
 		std::memcpy(dst, &result[0], result.size());
 	else
 	{
 		fprintf(stderr, "Not copying %d bytes to %d-byte buffer!\n",
-			result.size(), dst_len);
+			(unsigned int)result.size(), dst_len);
 		exit(1);
 	}
 }