Some tweaks for odd linux install

src/plugins/task/affinity/affinity.c

@@ -165,7 +165,7 @@ int slurm_setaffinity(pid_t pid, size_t size, const cpu_set_t *mask)
 	int rval;
 	char mstr[1 + CPU_SETSIZE / 4];
 
-#ifdef HAVE_SCHED_SETAFFINITY
+#ifdef SCHED_GETAFFINITY_THREE_ARGS
 	rval = sched_setaffinity(pid, size, mask);
 #else
 	rval = sched_setaffinity(pid, mask);

src/plugins/task/affinity/affinity.h

@@ -44,9 +44,9 @@
 #include <string.h>
 #include <sys/utsname.h>
 
+#define _GNU_SOURCE
 #define __USE_GNU
 #include <sched.h> /* SMB */
-#undef __USE_GNU
 
 #if HAVE_STDLIB_H
 #  include <stdlib.h>

testsuite/expect/Makefile.am

@@ -79,6 +79,8 @@ EXTRA_DIST = \
 	test1.87			\
 	test1.88			\
 	test1.88.prog.c			\
+	test1.89			\
+	test1.89.prog.c			\
 	test2.1				\
 	test2.2				\
 	test2.3				\

testsuite/expect/test1.89.prog.c

 #define _GNU_SOURCE
+#define __USE_GNU
 #include <errno.h>
 #include <sched.h>
 #include <stdio.h>