Merge pull request #2940 from ggouaillardet/topic/hetero_fixes

misc fixes for heterogeneous cluster support

Author: ggouaillardet

config/opal_configure_options.m4

@@ -286,7 +286,22 @@ fi
 AC_DEFINE_UNQUOTED(OPAL_ENABLE_DLOPEN_SUPPORT, $OPAL_ENABLE_DLOPEN_SUPPORT,
     [Whether we want to enable dlopen support])
 
-opal_want_heterogeneous=0
+#
+# Heterogeneous support
+#
+
+AC_MSG_CHECKING([if want heterogeneous support])
+AC_ARG_ENABLE([heterogeneous],
+    [AC_HELP_STRING([--enable-heterogeneous],
+                    [Enable features required for heterogeneous
+                     platform support (default: disabled)])])
+if test "$enable_heterogeneous" = "yes" ; then
+     AC_MSG_RESULT([yes])
+     opal_want_heterogeneous=1
+else
+     AC_MSG_RESULT([no])
+     opal_want_heterogeneous=0
+fi
 AC_DEFINE_UNQUOTED([OPAL_ENABLE_HETEROGENEOUS_SUPPORT],
                    [$opal_want_heterogeneous],
                    [Enable features required for heterogeneous support])

configure.ac

@@ -599,7 +599,7 @@ AC_CHECK_HEADERS([alloca.h aio.h arpa/inet.h dirent.h \
     sys/types.h sys/uio.h sys/un.h net/uio.h sys/utsname.h sys/vfs.h sys/wait.h syslog.h \
     termios.h ulimit.h unistd.h util.h utmp.h malloc.h \
     ifaddrs.h crt_externs.h regex.h mntent.h paths.h \
-    ioLib.h sockLib.h hostLib.h shlwapi.h sys/synch.h db.h ndbm.h zlib.h])
+    ioLib.h sockLib.h hostLib.h shlwapi.h sys/synch.h db.h ndbm.h zlib.h ieee754.h])
 
 AC_CHECK_HEADERS([sys/mount.h], [], [],
 [AC_INCLUDES_DEFAULT