Merge pull request open-mpi#7496 from jsquyres/pr/remove-remnants-of-zlib-from-core

Remove a few more remnants of zlib

Author: jsquyres

config/opal_configure_options.m4

@@ -10,7 +10,7 @@ dnl Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
 dnl                         University of Stuttgart.  All rights reserved.
 dnl Copyright (c) 2004-2005 The Regents of the University of California.
 dnl                         All rights reserved.
-dnl Copyright (c) 2006-2017 Cisco Systems, Inc.  All rights reserved
+dnl Copyright (c) 2006-2020 Cisco Systems, Inc.  All rights reserved
 dnl Copyright (c) 2007      Sun Microsystems, Inc.  All rights reserved.
 dnl Copyright (c) 2009      IBM Corporation.  All rights reserved.
 dnl Copyright (c) 2009      Los Alamos National Security, LLC.  All rights
@@ -535,9 +535,4 @@ dnl some point, this should die.
 AC_DEFINE([OPAL_ENABLE_PROGRESS_THREADS],
           [0],
           [Whether we want BTL progress threads enabled])
-
-dnl Check for zlib support
-OPAL_ZLIB_CONFIG
-
-
 ])dnl

config/opal_setup_zlib.m4

@@ -621,7 +621,7 @@ 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 ieee754.h])
+    ioLib.h sockLib.h hostLib.h shlwapi.h sys/synch.h db.h ndbm.h ieee754.h])
 
 AC_CHECK_HEADERS([sys/mount.h], [], [],
 [AC_INCLUDES_DEFAULT