3 files changed, 12 insertions, 14 deletions
diff --git a/utils/Jamfile b/utils/Jamfile
index 53a51277..4444b25f 100644
--- a/utils/Jamfile
+++ b/utils/Jamfile
@@ -24,11 +24,9 @@ lib utils :
   ..//z
   : <include>.. <include>. : : <include>.. <include>. ;
 
-exe ts : ts.cc utils ;
 exe atools : atools.cc utils ..//boost_program_options ;
-exe phmt : phmt.cc utils ;
 exe reconstruct_weights : reconstruct_weights.cc utils ..//boost_program_options ;
 
 alias programs : reconstruct_weights atools ;
 
-all_tests : utils ;
+all_tests [ glob *_test.cc phmt.cc ts.cc ] : utils : <testing.arg>$(TOP)/utils/test_data ;
diff --git a/utils/null_traits.h b/utils/null_traits.h
index fac857d9..7b2d32d0 100644
--- a/utils/null_traits.h
+++ b/utils/null_traits.h
@@ -3,23 +3,23 @@
 
 template <class V>
 struct null_traits {
-  static V null; //TODO: maybe take out default null and make ppl explicitly define?  they may be surprised that they need to when they include a header lib that uses null_traits
+  static V xnull; //TODO: maybe take out default null and make ppl explicitly define?  they may be surprised that they need to when they include a header lib that uses null_traits
 };
 // global bool is_null(V const& v)
 
 // definitely override this, and possibly set_null and is_null.  that's the point.
 template <class V>
-V null_traits<V>::null;
+V null_traits<V>::xnull;
 //TODO: are we getting single init of the static null object?
 
 template <class V>
 void set_null(V &v) {
-  v=null_traits<V>::null;
+  v=null_traits<V>::xnull;
 }
 
 template <class V>
 void is_null(V const& v) {
-  return v==null_traits<V>::null;
+  return v==null_traits<V>::xnull;
 }
 
 
diff --git a/utils/stringlib.h b/utils/stringlib.h
index f457e1e4..13d14dbf 100644
--- a/utils/stringlib.h
+++ b/utils/stringlib.h
@@ -97,9 +97,9 @@ inline std::string Trim(const std::string& str, const std::string& dropChars = "
 
 inline void Tokenize(const std::string& str, char delimiter, std::vector<std::string>* res) {
   std::string s = str;
-  int last = 0;
+  unsigned last = 0;
   res->clear();
-  for (int i=0; i < s.size(); ++i)
+  for (unsigned i=0; i < s.size(); ++i)
     if (s[i] == delimiter) {
       s[i]=0;
       if (last != i) {
@@ -120,14 +120,14 @@ inline unsigned NTokens(const std::string& str, char delimiter)
 
 inline std::string LowercaseString(const std::string& in) {
   std::string res(in.size(),' ');
-  for (int i = 0; i < in.size(); ++i)
+  for (unsigned i = 0; i < in.size(); ++i)
     res[i] = tolower(in[i]);
   return res;
 }
 
 inline std::string UppercaseString(const std::string& in) {
   std::string res(in.size(),' ');
-  for (int i = 0; i < in.size(); ++i)
+  for (unsigned i = 0; i < in.size(); ++i)
     res[i] = toupper(in[i]);
   return res;
 }
@@ -146,8 +146,8 @@ inline int CountSubstrings(const std::string& str, const std::string& sub) {
 
 inline int SplitOnWhitespace(const std::string& in, std::vector<std::string>* out) {
   out->clear();
-  int i = 0;
-  int start = 0;
+  unsigned i = 0;
+  unsigned start = 0;
   std::string cur;
   while(i < in.size()) {
     if (in[i] == ' ' || in[i] == '\t') {
@@ -249,7 +249,7 @@ inline void SplitCommandAndParam(const std::string& in, std::string* cmd, std::s
   SplitOnWhitespace(in, &x);
   if (x.size() == 0) return;
   *cmd = x[0];
-  for (int i = 1; i < x.size(); ++i) {
+  for (unsigned i = 1; i < x.size(); ++i) {
     if (i > 1) { *param += " "; }
     *param += x[i];
   }