diff --git a/src/utils/Makefile b/src/utils/Makefile
index d063607a..dfc8542b 100644
--- a/src/utils/Makefile
+++ b/src/utils/Makefile
@@ -47,7 +47,7 @@ trfileudi.o : fileudi.cpp fileudi.h
 
 EXECMD_OBJS= trexecmd.o $(BIGLIB)
 trexecmd : $(EXECMD_OBJS)
-	$(CXX) $(ALL_CXXFLAGS) -o trexecmd $(EXECMD_OBJS) $(LIBICONV)
+	$(CXX) $(ALL_CXXFLAGS) -o trexecmd $(EXECMD_OBJS) $(LIBICONV) $(LIBSYS)
 trexecmd.o : execmd.cpp execmd.h
 	$(CXX) -o trexecmd.o -c $(ALL_CXXFLAGS) -DTEST_EXECMD execmd.cpp
 
diff --git a/src/utils/conftree.cpp b/src/utils/conftree.cpp
index 26d772a3..01e77ef4 100755
--- a/src/utils/conftree.cpp
+++ b/src/utils/conftree.cpp
@@ -552,7 +552,7 @@ int ConfTree::get(const std::string &name, string &value, const string &sk)
 #include <unistd.h>
 #include <fcntl.h>
 #include <errno.h>
-
+#include <string.h>
 #include <sstream>
 #include <iostream>
 #include <list>
diff --git a/src/utils/execmd.cpp b/src/utils/execmd.cpp
index 9eb2b205..2bb1223e 100644
--- a/src/utils/execmd.cpp
+++ b/src/utils/execmd.cpp
@@ -214,7 +214,10 @@ int ExecCmd::startExec(const string &cmd, const list<string>& args,
     // Set the process group for the child. This is also done in the
     // child process see wikipedia(Process_group)
     if (setpgid(m_pid, m_pid)) {
-        LOGERR(("ExecCmd: father failed setting pgid of son process\n"));
+        // This can fail with EACCES if the son has already done execve 
+        // (linux at least)
+        LOGDEB(("ExecCmd: father setpgid(son)(%d,%d) errno %d (ok)\n",
+                m_pid, m_pid, errno));
     }
 
     sigemptyset(&m_blkcld);
@@ -556,6 +559,7 @@ void ExecCmd::dochild(const string &cmd, const list<string>& args,
 ////////////////////////////////////////////////////////////////////
 #else // TEST
 #include <stdio.h>
+#include <stdlib.h>
 #include <string>
 #include <iostream>
 #include <list>