--- a/src/utils/execmd.h
+++ b/src/utils/execmd.h
@@ -125,9 +125,14 @@
/**
* Utility routine: check if/where a command is found according to the
- * current PATH
+ * current PATH (or the specified one
+ * @param cmd command name
+ * @param exe on return, executable path name if found
+ * @param path exec seach path to use instead of getenv(PATH)
+ * @return true if found
*/
- static bool which(const string& cmd, string& path);
+ static bool which(const string& cmd, string& exepath,
+ const char* path = 0);
private:
vector<string> m_env;