autogen.sh: check directly for libtoolize instead of libtool [as libt…

…ool is not used here]

On Ubuntu - libtoolize can be installed without libtool. So best to check directly for libtoolize - instead of indirectly via libtool

$ ./autogen.sh

**************************
* HDF5 autogen.sh script *
**************************

Running trace script:
Finished processing HDF5 API calls:
	instrumented 0 API functions and 0 argument lists

Running error generation script:
Generating 'H5Epubgen.h'
Generating 'H5Einit.h'
Generating 'H5Eterm.h'
Generating 'H5Edefin.h'

Running API version generation script:
Generating 'H5version.h'

Running overflow macro generation script:
Generating 'H5overflow.h'

./libtoolize --copy --force
./autogen.sh: 202: ./libtoolize: not found

autogen.sh

@@ -44,7 +44,7 @@
 #   HDF5_AUTOHEADER
 #   HDF5_AUTOMAKE
 #   HDF5_AUTOCONF
-#   HDF5_LIBTOOL
+#   HDF5_LIBTOOLIZE
 #   HDF5_M4
 #
 # Note that aclocal will attempt to include libtool's share/aclocal
@@ -111,14 +111,14 @@ fi
 if test -z "${HDF5_ACLOCAL}"; then
     HDF5_ACLOCAL="$(command -v aclocal)"
 fi
-if test -z "${HDF5_LIBTOOL}"; then
+if test -z "${HDF5_LIBTOOLIZE}"; then
     case "$(uname)" in
     Darwin*)
         # libtool on OS-X is non-gnu
-        HDF5_LIBTOOL="$(command -v glibtool)"
+        HDF5_LIBTOOLIZE="$(command -v glibtoolize)"
         ;;
     *)
-        HDF5_LIBTOOL="$(command -v libtool)"
+        HDF5_LIBTOOLIZE="$(command -v libtoolize)"
         ;;
     esac
 fi
@@ -129,26 +129,10 @@ fi
 
 # Make sure that these versions of the autotools are in the path
 AUTOCONF_DIR=$(dirname "${HDF5_AUTOCONF}")
-LIBTOOL_DIR=$(dirname "${HDF5_LIBTOOL}")
+LIBTOOL_DIR=$(dirname "${HDF5_LIBTOOLIZE}")
 M4_DIR=$(dirname "${HDF5_M4}")
 PATH=${AUTOCONF_DIR}:${LIBTOOL_DIR}:${M4_DIR}:$PATH
 
-# Make libtoolize match the specified libtool
-case "$(uname)" in
-Darwin*)
-    # On OS X, libtoolize could be named glibtoolize or
-    # libtoolize. Try the former first, then fall back
-    # to the latter if it's not found.
-    HDF5_LIBTOOLIZE="${LIBTOOL_DIR}/glibtoolize"
-    if [ ! -f "$HDF5_LIBTOOLIZE" ] ; then
-        HDF5_LIBTOOLIZE="${LIBTOOL_DIR}/libtoolize"
-    fi
-    ;;
-*)
-    HDF5_LIBTOOLIZE="${LIBTOOL_DIR}/libtoolize"
-    ;;
-esac
-
 # Run scripts that process source.
 #
 # These should be run before the autotools so that failures here block