extconf.rb in proc-wait3-1.5.5

- old
+ new

@@ -62,9 +62,13 @@
    have_const('P_GID', 'signal.h')
    have_const('P_MYID', 'signal.h')
    have_const('P_SID', 'signal.h')
    have_const('P_UID', 'signal.h')
 
+   have_const('P_ALL', 'signal.h') || have_const('P_ALL', 'sys/wait.h')
+   have_const('P_PGID', 'signal.h') || have_const('P_PGID', 'sys/wait.h')
+   have_const('P_PID', 'signal.h') || have_const('P_PID', 'sys/wait.h')
+
    # These are only supported by Solaris 8 and later afaik
    have_const('P_PROJID', 'signal.h')
    have_const('P_TASKID', 'signal.h')
 rescue NoMethodError
    require 'rbconfig'