Add files into 3 directories that would not otherwise exist in a

distribution tarball, and would therefore cause automake to fail (in
case someone invokes autogen.sh on a distribution tarball).

This commit was SVN r23218.

opal/mca/paffinity/hwloc/Makefile.am

@@ -22,6 +22,13 @@ if OPAL_PAFFINITY_HWLOC_INTERNAL
 SUBDIRS += hwloc
 endif
 
+# Need to include these files so that these directories are carried in
+# the tarball (in case someone invokes autogen.sh on a dist tarball).
+EXTRA_DIST = \
+        hwloc/doc/README.txt \
+        hwloc/tests/README.txt \
+        hwloc/utils/README.txt
+
 # To find hwloc_bottom.h.  EMBEDDED flags are for if we OMPI's
 # internal hwloc is used; paffinity_hwloc_CPPFLAGS is if we are using
 # an external install.

opal/mca/paffinity/hwloc/hwloc/doc/README.txt

@@ -0,0 +1,4 @@
+Open MPI doesn't need this tree from hwloc.  But automake *requires*
+that this directory has to be here.  So we have an empty directory
+with a README in it, a) just to explain why it's here, and b) so that
+hg clones won't delete the directory (because it's empty).

opal/mca/paffinity/hwloc/hwloc/tests/README.txt

@@ -0,0 +1,4 @@
+Open MPI doesn't need this tree from hwloc.  But automake *requires*
+that this directory has to be here.  So we have an empty directory
+with a README in it, a) just to explain why it's here, and b) so that
+hg clones won't delete the directory (because it's empty).

opal/mca/paffinity/hwloc/hwloc/utils/README.txt

@@ -0,0 +1,4 @@
+Open MPI doesn't need this tree from hwloc.  But automake *requires*
+that this directory has to be here.  So we have an empty directory
+with a README in it, a) just to explain why it's here, and b) so that
+hg clones won't delete the directory (because it's empty).