# 
# 
# patch "tester.cc"
#  from [a9368df02e7e77d3eaddde7080c20b3c302b571a]
#    to [8f350ea6cc46c5e7d78253028c9ac33e0206bcc5]
# 
============================================================
--- tester.cc	a9368df02e7e77d3eaddde7080c20b3c302b571a
+++ tester.cc	8f350ea6cc46c5e7d78253028c9ac33e0206bcc5
@@ -96,7 +96,11 @@ void setenv(char const * var, char const
   memcpy(cp, s, len);
   putenv(cp);
 }
+#if defined(__APPLE__)
+void unsetenv(char const * var)
+#else
 int unsetenv(char const * var)
+#endif
 {
   string tempstr = string(var) + "=";
   char const *s = tempstr.c_str();