diff --git a/autogen.sh b/autogen.sh
index 17ad3dab..d561b540 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -1,6 +1,7 @@
 #!/bin/sh
 
-if glibtoolize --version &> /dev/null
+glibtoolize=$(which glibtoolize 2> /dev/null)
+if [ ${#glibtoolize} -gt 0 ]
 then libtoolize=glibtoolize
 else libtoolize=libtoolize
 fi
diff --git a/darwin/DarwinProcessList.c b/darwin/DarwinProcessList.c
index 5d125891..9afee58b 100644
--- a/darwin/DarwinProcessList.c
+++ b/darwin/DarwinProcessList.c
@@ -14,7 +14,6 @@ in the source distribution for its full text.
 #include <unistd.h>
 #include <stdio.h>
 #include <libproc.h>
-#include <mach/vm_page_size.h>
 #include <sys/mman.h>
 #include <utmpx.h>