extconf.rb in proc-wait3-1.7.2

- old
+ new

@@ -90,6 +90,9 @@
 
 # These are only supported by Solaris 8 and later afaik
 have_const('P_PROJID', 'signal.h')
 have_const('P_TASKID', 'signal.h')
 
+# RUSAGE_THREAD is Linux-specific
+have_const('RUSAGE_THREAD', 'sys/resource.h')
+
 create_makefile('proc/wait3', 'proc')