Ralph,

I found a couple issues with PMIX in the 2.2.0rc2 tarball.
However, I am providing a proper fix for one and a sub-standard fix for the
other.

The following short patch resolves the build errors with "unknown type name
'pid_t'" on (so far at least) FreeBSD when compiling
opal/mca/pmix/pmix112/pmix/src/sm/pmix_sm.c

--- opal/mca/pmix/pmix112/pmix/include/pmix/pmix_common.h~      2017-03-06
13:58:18.625897000 -0800
+++ opal/mca/pmix/pmix112/pmix/include/pmix/pmix_common.h       2017-03-06
13:58:24.392739000 -0800
@@ -50,6 +50,9 @@
 #include <stdlib.h>
 #include <stdint.h>
 #include <string.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h> /* for pid_t */
+#endif
 #ifdef HAVE_SYS_TIME_H
 #include <sys/time.h> /* for struct timeval */
 #endif
Signed-off-by: Paul H. Hargrove <phhargr...@lbl.gov>

The second issue is an incomplete definition for "struct timeval" on
FreeBSD and NetBSD (maybe others).
In pmix_common.h I see:

#ifdef HAVE_SYS_TIME_H
#include <sys/time.h> /* for struct timeval */
#endif

However, since at least one source file is including pmix_common.h *before*
pmix_config.h, HAVE_SYS_TIME_H is not getting defined.

The following was sufficient for the *one* file I saw failing to compiler.
However, I seriously doubt this is the right way (or place) to fix this
(and am correspondingly omitting a sign-off).
--- opal/mca/pmix/pmix112/pmix/src/sm/pmix_sm.c~        2017-03-06
14:03:42.000000000 -0800
+++ opal/mca/pmix/pmix112/pmix/src/sm/pmix_sm.c 2017-03-06
14:13:22.000000000 -0800
@@ -8,6 +8,7 @@
  * $HEADER$
  */

+#include "src/include/pmix_config.h"
 #include <pmix/pmix_common.h>
 #include "src/include/pmix_globals.h"
 #include "pmix_sm.h"

Unfortunately, on NetBSD that just gets me past compilation to fail at
runtime - the subject of my next email.

-Paul

-- 
Paul H. Hargrove                          phhargr...@lbl.gov
Computer Languages & Systems Software (CLaSS) Group
Computer Science Department               Tel: +1-510-495-2352
Lawrence Berkeley National Laboratory     Fax: +1-510-486-6900
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