fixes for make distclean, solaris, macosx, windows

BitKeeper/deleted/.del-plug.in:
  Delete: storage/myisam/plug.in
configure.in:
  MyISAM should be the first plugin in the list for now
  check for thr_yield, just in case
include/my_pthread.h:
  pthread_yield for windows, solaris, macosx
storage/Makefile.am:
  fix for make distclean (myisam was listed twice in SUBDIRS)

configure.in

@@ -1932,7 +1932,7 @@ AC_CHECK_FUNCS(alarm bcmp bfill bmove bsearch bzero \
   pthread_setprio_np pthread_setschedparam pthread_sigmask readlink \
   realpath rename rint rwlock_init setupterm \
   shmget shmat shmdt shmctl sigaction sigemptyset sigaddset \
-  sighold sigset sigthreadmask port_create sleep \
+  sighold sigset sigthreadmask port_create sleep thr_yield \
   snprintf socket stpcpy strcasecmp strerror strsignal strnlen strpbrk strstr \
   strtol strtoll strtoul strtoull tell tempnam thr_setconcurrency vidattr \
   posix_fallocate)
@@ -2240,6 +2240,17 @@ MYSQL_CHECK_SSL
 # functions tested above
 #--------------------------------------------------------------------
 
+# MyISAM is declared here,not in storage/myisam/plug.in
+# because we want it to be the first in the list of plugins,
+# Maria needs it. When it'll be fixed the declaration below can
+# be removed and storage/myisam/plug.in - undeleted (bk unrm)
+MYSQL_STORAGE_ENGINE(myisam,no, [MyISAM Storage Engine],
+        [Traditional non-transactional MySQL tables])
+MYSQL_PLUGIN_DIRECTORY(myisam,  [storage/myisam])
+MYSQL_PLUGIN_STATIC(myisam,     [libmyisam.a])
+MYSQL_PLUGIN_MANDATORY(myisam)  dnl Default
+MYSQL_PLUGIN_DEPENDS_ON_MYSQL_INTERNALS(myisam, [ha_myisam.cc])
+
 MYSQL_STORAGE_ENGINE(partition, partition, [Partition Support],
         [MySQL Partitioning Support], [max,max-no-ndb])
 

include/my_pthread.h

@@ -171,6 +171,7 @@ void pthread_exit(void *a);	 /* was #define pthread_exit(A) ExitThread(A)*/
 #define pthread_detach_this_thread()
 #define pthread_condattr_init(A)
 #define pthread_condattr_destroy(A)
+#define pthread_yield() Sleep(0) /* according to MSDN */
 
 #define my_pthread_getprio(thread_id) pthread_dummy(0)
 
@@ -396,6 +397,17 @@ void my_pthread_attr_getstacksize(pthread_attr_t *attrib, size_t *size);
 int my_pthread_mutex_trylock(pthread_mutex_t *mutex);
 #endif
 
+#if !defined(HAVE_PTHREAD_YIELD_ONE_ARG) && !defined(HAVE_PTHREAD_YIELD_ZERO_ARG)
+/* no pthread_yield() available */
+#ifdef HAVE_SCHED_YIELD
+#define pthread_yield() sched_yield()
+#elif defined(HAVE_PTHREAD_YIELD_NP) /* can be Mac OS X */
+#define pthread_yield() pthread_yield_np()
+#elif defined(HAVE_THR_YIELD)
+#define pthread_yield() thr_yield()
+#endif
+#endif
+
 /*
   The defines set_timespec and set_timespec_nsec should be used
   for calculating an absolute time at which

storage/Makefile.am

@@ -19,12 +19,7 @@ AUTOMAKE_OPTIONS =	foreign
 
 # These are built from source in the Docs directory
 EXTRA_DIST =		
-# Until we remove fulltext-related references from Maria to MyISAM
-# MyISAM must be built before Maria, which is not the case by default
-# because of alphabetical order
-# So we put myisam first; this is very ugly regarding plugins' logic
-# but it works, and we'll remove it soon.
-SUBDIRS = myisam @mysql_se_dirs@
+SUBDIRS = @mysql_se_dirs@
 
 # Don't update the files from bitkeeper
 %::SCCS/s.%

storage/myisam/plug.in

-MYSQL_STORAGE_ENGINE(myisam,no, [MyISAM Storage Engine],
-        [Traditional non-transactional MySQL tables])
-MYSQL_PLUGIN_DIRECTORY(myisam,  [storage/myisam])
-MYSQL_PLUGIN_STATIC(myisam,     [libmyisam.a])
-MYSQL_PLUGIN_MANDATORY(myisam)  dnl Default
-MYSQL_PLUGIN_DEPENDS_ON_MYSQL_INTERNALS(myisam, [ha_myisam.cc])
-