innobase/include/ut0dbg.h:
  Write help macros to use in ut_a() and ut_error.
  Moved some ut_a() and ut_error code to non-inlined functions.
  Fixed ut_error on NetWare.
  Reintroduced ut_dbg_zero on non-GCC platforms.
innobase/ut/ut0dbg.c:
  Reintroduced ut_dbg_zero on non-GCC platforms.
  Removed ut_dbg_null_ptr on NetWare.
  Add helpers ut_dbg_assertion_failed() and ut_dbg_stop_thread().

  Move the flag btr_cur_print_record_ops behind #ifdef UNIV_DEBUG.
  Remove unused variable btr_cur_rnd.


innobase/btr/btr0cur.c:
  Move the flag btr_cur_print_record_ops behind #ifdef UNIV_DEBUG.
  Remove unused variable btr_cur_rnd.

Since UNLOCK TABLES will commit the transaction (and thus release
all InnoDB locks held by it), it is unnecessary to release the
user-requested table locks separately.


innobase/include/lock0lock.h:
  Remove references to LOCK_TABLE_EXP and LOCK_TABLE_TRANSACTIONAL.
  Remove lock_release_tables_off_kernel().
innobase/include/row0mysql.h:
  Remove row_unlock_tables_for_mysql().
innobase/include/trx0trx.h:
  Remove n_lock_table_exp and n_lock_table_transactional.
innobase/lock/lock0lock.c:
  Remove references to LOCK_TABLE_EXP and LOCK_TABLE_TRANSACTIONAL.
  Remove lock_release_tables_off_kernel().
  Remove references to trx->n_lock_table_exp
  and trx->n_lock_table_transactional.
innobase/row/row0mysql.c:
  Remove row_unlock_tables_for_mysql().
  Remove references to LOCK_TABLE_TRANSACTIONAL and LOCK_TABLE_EXP.
innobase/trx/trx0trx.c:
  Remove n_lock_table_exp and n_lock_table_transactional.
sql/ha_innodb.cc:
  Remove references to LOCK_TABLE_EXP and LOCK_TABLE_TRANSACTIONAL
  and row_unlock_tables_for_mysql().

Enforce maximum char_length of UTF-8 data (Bug #10409).
Pad UTF-8 variable-length CHAR columns with 0x20.
Pad UCS2 CHAR columns with 0x0020 (Bug #10511).


innobase/data/data0type.c:
  dtype_get_at_most_n_mbchars(): Avoid division by zero in assertion
  when this function is called with dtype->mbmaxlen==0
innobase/row/row0ins.c:
  row_ins_cascade_calc_update_vec(): Enforce maximum char_length of
  UTF-8 data (Bug #10409).
  Pad UTF-8 CHAR columns with 0x20.
  Pad UCS2 CHAR columns with 0x0020 (Bug #10511).

sql/ha_innodb.cc:
  Remove unused variable innobase_thread_concurrency.
  Add UNIV_LIKELY hints to srv_thread_concurrency tests
  and lower the limit from 500 to 20.
sql/ha_innodb.h:
  Remove unused variable innobase_thread_concurrency.
sql/mysqld.cc:
  Make innodb_thread_concurrency=20 by default (it was 8).

rec_offs_nth_extern(): Return zero/nonzero instead of FALSE/TRUE.


innobase/row/row0upd.c:
  Normalize the return value of rec_offs_nth_extern() to FALSE/TRUE.
  Avoid a repeated call to upd_ext_vec_contains().

Make rec_get_deleted_flag() return zero/nonzero instead of FALSE/TRUE.


innobase/btr/btr0btr.c:
  btr_page_get_sure_split_rec(): Fix bug caused by optimization
  (dereferencing null pointer in page_rec_is_supremum())
  btr_page_insert_fits(): Correct a debug assertion.
innobase/btr/btr0cur.c:
  Add debug assertions about page_rec_is_comp().
  Add UNIV_LIKELY and UNIV_UNLIKELY hints.
  Note that rec_get_deleted_flag() returns zero/nonzero ulint
  instead of FALSE/TRUE ibool.
innobase/include/page0page.ic:
  Move debug assertion to proper place.
innobase/include/rem0rec.h:
  rec_get_deleted_flag(), rec_set_deleted_flag(): Make the flag
  zero/nonzero in order to avoid FALSE/TRUE normalization in
  every rec_get_deleted_flag() call.
innobase/include/rem0rec.ic:
  rec_get_deleted_flag(), rec_set_deleted_flag(): Make the flag
  zero/nonzero in order to avoid FALSE/TRUE normalization in
  every rec_get_deleted_flag() call.
innobase/rem/rem0rec.c:
  rec_init_offsets(): Fix bugs introduced in optimization.
innobase/row/row0sel.c:
  Make debug assertion stricter.
innobase/row/row0vers.c:
  Note that rec_get_deleted_flag() returns zero/nonzero ulint
  instead of FALSE/TRUE ibool.

innobase/btr/btr0btr.c:
  Eliminate some buf_frame_align() calls.
  Make use of the page_rec_is_infimum(), page_rec_is_supremum()
  and page_rec_is_user_rec() functions.
  Replace some index->table->comp with page_is_comp().
  Eliminate some variables to reduce register spilling on x86.
  Note that page_is_comp() may return nonzero instead of TRUE.
  Note that rec_offs_comp() may return nonzero instead of TRUE.
innobase/btr/btr0cur.c:
  Eliminate some buf_frame_align() calls.
  Replace some index->table->comp with
  page_is_comp() or rec_offs_comp().
  Eliminate some variables to reduce register spilling on x86.
  Note that page_is_comp() may return nonzero instead of TRUE.
  Note that rec_offs_comp() may return nonzero instead of TRUE.
  Remove an extra mem_heap_create() call from btr_cur_update_in_place().
  Add "page" parameter to lock_rec_store_on_page_infimum().
  Add some UNIV_LIKELY() and UNIV_UNLIKELY() hints.
  
  btr_estimate_number_of_different_key_vals(): Rename the
  offsets_* variables to be more descriptive and eliminate one
  rec_get_offsets() and one page_rec_get_next() call in the loop.
innobase/btr/btr0pcur.c:
  Eliminate some buf_frame_align() calls.
  Make use of the page_rec_is_infimum(), page_rec_is_supremum()
  and page_rec_is_user_rec() functions.
  Replace some index->table->comp with page_is_comp().
  Eliminate some variables to reduce register spilling on x86.
  Note that page_is_comp() may return nonzero instead of TRUE.
  Make some ut_a() assertions ut_ad() ones to improve performance.
  Add some UNIV_LIKELY() and UNIV_UNLIKELY() hints.
innobase/btr/btr0sea.c:
  Make use of page_rec_is_infimum() and page_rec_is_supremum().
  Eliminate some buf_frame_align() calls.
  Add some UNIV_UNLIKELY and UNIV_LIKELY hints.
  Turn some assertions into debug assertions.
innobase/dict/dict0crea.c:
  Replace FALSE/TRUE ibool comp with zero/nonzero ulint comp
innobase/ibuf/ibuf0ibuf.c:
  Make use of page_rec_is_infimum() and page_rec_is_supremum().
  Add some UNIV_UNLIKELY and UNIV_LIKELY hints.
  ibuf_get_merge_page_nos(): Rename parameter "first_rec" to "rec"
  and eliminate local variable "rec".
innobase/include/btr0btr.h:
  Replace FALSE/TRUE ibool comp with zero/nonzero ulint comp
innobase/include/buf0buf.h:
  Rename buf_frame_get_modify_clock()
  to buf_block_get_modify_clock().
innobase/include/buf0buf.ic:
  Rename buf_frame_get_modify_clock()
  to buf_block_get_modify_clock() and
  remove the buf_block_align() call.
innobase/include/lock0lock.h:
  lock_rec_store_on_page_infimum(): Add parameter "page"
innobase/include/mach0data.h:
  Add mach_encode_2() and mach_decode_2().
innobase/include/mach0data.ic:
  Add mach_encode_2() and mach_decode_2().
innobase/include/page0cur.h:
  Add const qualifier to page_cur_is_before_first()
  and page_cur_is_after_last().
innobase/include/page0cur.ic:
  Make use of page_rec_is_infimum() and page_rec_is_supremum().
innobase/include/page0page.h:
  Remove page_rec_is_first_user_rec() and page_rec_is_last_user_rec().
  Add page_rec_is_infimum() and page_rec_is_supremum().
  Replace FALSE/TRUE ibool comp with zero/nonzero ulint comp.
innobase/include/page0page.ic:
  Remove page_rec_is_first_user_rec() and page_rec_is_last_user_rec().
  Add page_rec_is_infimum() and page_rec_is_supremum().
  Replace FALSE/TRUE ibool comp with zero/nonzero ulint comp.
  Add UNIV_UNLIKELY, UNIV_LIKELY and UNIV_EXPECT hints.
  Reduce the number of buf_frame_align() calls.
innobase/include/rem0rec.ic:
  rec_offs_comp(): Return zero or nonzero instead of FALSE or TRUE.
innobase/include/row0mysql.h:
  Replace FALSE/TRUE ibool comp with zero/nonzero ulint comp.
innobase/lock/lock0lock.c:
  Replace FALSE/TRUE ibool comp with zero/nonzero ulint comp.
  Remove parameter "comp" from lock_rec_get_next(),
  lock_rec_has_expl() and lock_rec_other_has_expl_req().
  Add parameter "page" to lock_rec_store_on_page_infimum().
  Add UNIV_UNLIKELY hints.
  Reduce the number of buf_frame_align() calls.
  Make use of page_rec_is_infimum(), page_rec_is_supremum() and
  page_rec_is_user_rec().
  Move the "comp" flag outside some loops.
innobase/mtr/mtr0log.c:
  Replace index->table->comp with page_rec_is_comp().
innobase/page/page0cur.c:
  Replace index->table->comp with page_is_comp() or page_rec_is_comp().
  Eliminate some buf_frame_align() calls.
  Add some debug assertions.
innobase/page/page0page.c:
  Optimize page_dir_find_owner_slot(). Compare the record offset
  16 bits at a time, because that seems to be the only way to avoid
  register spilling on x86.
  Replace FALSE/TRUE ibool comp with zero/nonzero ulint comp.
  Remove parameter "page" of page_delete_rec_list_write_log().
  Make use of page_rec_is_infimum().
innobase/rem/rem0cmp.c:
  Replace FALSE/TRUE ibool comp with zero/nonzero ulint comp.
innobase/row/row0ins.c:
  Make use of page_rec_is_infimum() and page_rec_is_supremum().
  Reduce the amount of buf_frame_align() calls.
  row_ins_index_entry_low(): Disable assertion about column count
  unless #ifdef UNIV_DEBUG.
innobase/row/row0mysql.c:
  Replace FALSE/TRUE ibool comp with zero/nonzero ulint comp.
innobase/row/row0row.c:
  Eliminate some buf_frame_align() calls.
  Make use of page_rec_is_infimum().
innobase/row/row0sel.c:
  Make use of page_rec_is_supremum() and page_rec_is_infimum().
  Turn some assertions into debug assertions.
  Add UNIV_LIKELY and UNIV_UNLIKELY hints.
  
  row_search_for_mysql(): Eliminate local variables "moved",
  "cons_read_requires_clust_rec", "was_lock_wait", "shortcut",
  "success" and "comp". Replace some of them with goto's.
  Disable variable "cnt" unless #ifdef UNIV_SEARCH_DEBUG.
innobase/row/row0vers.c:
  Replace FALSE/TRUE ibool comp with zero/nonzero ulint comp.
  Replace index->table->comp with page_rec_is_comp().
  Eliminate some buf_frame_align() calls.

  Add UNIV_LIKELY and UNIV_UNLIKELY hints.
  cmp_dtuple_rec_with_match(): Move condition outside loop.
  Reduce the number of comparisons per iteration.
mtr0mtr.c:
  mtr_memo_slot_release(): Add a UNIV_LIKELY hint.
  Simplify the preprocessor magic.
buf0buf.c:
  buf_page_optimistic_get_func(): Add UNIV_UNLIKELY hints.
  Introduce an exit_func label to remove duplicated error exits.


innobase/buf/buf0buf.c:
  buf_page_optimistic_get_func(): Add UNIV_UNLIKELY hints.
  Introduce an exit_func label to remove duplicated error exits.
innobase/mtr/mtr0mtr.c:
  mtr_memo_slot_release(): Add a UNIV_LIKELY hint.
  Simplify the preprocessor magic.
innobase/rem/rem0cmp.c:
  Add UNIV_LIKELY and UNIV_UNLIKELY hints.
  cmp_dtuple_rec_with_match(): Move condition outside loop.
  Reduce the number of comparisons per iteration.

other rec_ functions based on OProfile measurements on GNU/Linux x86.


innobase/include/rem0rec.h:
  Replace FALSE/TRUE ibool comp with zero/nonzero ulint comp.
  Remove rec_set_node_ptr_flag().
innobase/include/rem0rec.ic:
  Replace FALSE/TRUE ibool comp with zero/nonzero ulint comp.
  Remove rec_set_node_ptr_flag().
  Add UNIV_LIKELY and UNIV_UNLIKELY hints.
  Correct a spelling error in comment.
  Simplify rec_get_deleted_flag().
innobase/rem/rem0rec.c:
  Add UNIV_LIKELY and UNIV_UNLIKELY hints.
  rec_init_offsets(), rec_get_offsets_func(): Optimize for x86.
  rec_set_field_extern_bits(): Move "comp" flag outside the loop.
  rec_copy_prefix_to_buf(): Add UNIV_PREFETCH hints.

  Add UNIV_UNLIKELY hint.
lock0lock.c:
  Correct the prototypes of lock_deadlock_recursive() and
  lock_deadlock_occurs().
data0data.c:
  dtuple_convert_big_rec(): Add UNIV_UNLIKELY hint.
ha_innodb.cc:
  ha_innobase::write_row(): Correct the type of 'mode'.


sql/ha_innodb.cc:
  ha_innobase::write_row(): Correct the type of 'mode'.
innobase/data/data0data.c:
  dtuple_convert_big_rec(): Add UNIV_UNLIKELY hint.
innobase/lock/lock0lock.c:
  Correct the prototypes of lock_deadlock_recursive() and
  lock_deadlock_occurs().
innobase/row/row0upd.c:
  Add UNIV_UNLIKELY hint.

innobase/dict/dict0mem.c:
  dict_mem_table_create(): Add a debug assertion.
innobase/include/btr0btr.ic:
  btr_node_ptr_get_child_page_no(): Add a UNIV_UNLIKELY hint.
  Remove a buf_frame_align() call.
innobase/include/btr0cur.ic:
  btr_cur_get_page(): Add a debug assertion.
innobase/include/buf0buf.ic:
  buf_block_peek_if_too_old(): Replace if() with return().
  buf_block_align(), buf_frame_align(): Add UNIV_UNLIKELY hints.
innobase/include/data0type.ic:
  dtype_get_fixed_size(): Add UNIV_UNLIKELY hints.
innobase/include/mem0mem.ic:
  Remove signedness warning in debug assertion.
innobase/include/read0read.ic:
  read_view_sees_trx_id(): Eliminate a comparison inside loop.
innobase/include/row0sel.ic:
  open_step(): Add UNIV_EXPECT hint.
innobase/include/row0upd.ic:
  upd_field_set_field_no(): Add a UNIV_UNLIKELY hint.
innobase/include/sync0rw.ic:
  Add UNIV_LIKELY and UNIV_UNLIKELY hints.
  rw_lock_x_lock_func_nowait(): Eliminate a function call.
  Replace ut_a() assertions with ut_ad().
innobase/include/trx0rseg.ic:
  Add UNIV_UNLIKELY hints.
innobase/include/ut0rnd.ic:
  ut_fold_binary(): Eliminate a loop variable
  to avoid register spilling on x86.

  Add some UNIV_LIKELY and UNIV_UNLIKELY hints.
  dict_tree_copy_rec_order_prefix(): Add a UNIV_PREFETCH_R hint on rec.


innobase/dict/dict0dict.c:
  Add some UNIV_LIKELY and UNIV_UNLIKELY hints.
  dict_tree_copy_rec_order_prefix(): Add a UNIV_PREFETCH_R hint on rec.

innobase/include/ut0dbg.h:
  Remove ut_dbg_zero.
  Use the UNIV_UNLIKELY() macro in assertions in order to assist branch
  prediction.
innobase/ut/ut0dbg.c:
  Remove ut_dbg_zero.

  trx_is_interrupted(): Remove debug output.


sql/ha_innodb.cc:
  trx_is_interrupted(): Remove debug output.

DATA_MYSQL_LATIN1_SWEDISH_CHARSET_COLL a constant.


innobase/data/data0type.c:
  Remove data_mysql_latin1_swedish_charset_coll.
innobase/include/data0type.h:
  Replace variable data_mysql_latin1_swedish_charset_coll
  with constant DATA_MYSQL_LATIN1_SWEDISH_CHARSET_COLL.
innobase/rem/rem0cmp.c:
  Replace variable data_mysql_latin1_swedish_charset_coll
  with constant DATA_MYSQL_LATIN1_SWEDISH_CHARSET_COLL.
sql/ha_innodb.cc:
  Eliminate variable data_mysql_latin1_swedish_charset_coll.
  Add an assertion about DATA_MYSQL_LATIN1_SWEDISH_CHARSET_COLL.

by copying only a prefix of the row that covers the requested
columns.


innobase/include/row0mysql.h:
  row_prebuilt_struct: Add field mysql_prefix_len
  in order to reduce memcpy() time in
  row_sel_pop_cached_row_for_mysql().
innobase/row/row0sel.c:
  row_sel_pop_cached_row_for_mysql(): memcpy() only
  mysql_prefix_len bytes instead of mysql_row_len.
sql/ha_innodb.cc:
  build_template(): Initialize prebuilt->mysql_prefix_len.

and __builtin_prefetch().
Add UNIV_LIKELY_NULL to if (heap) mem_free_heap(heap) tests.


innobase/btr/btr0btr.c:
  Add UNIV_LIKELY_NULL to if (heap) mem_free_heap(heap) tests.
innobase/btr/btr0cur.c:
  Add UNIV_LIKELY_NULL to if (heap) mem_free_heap(heap) tests.
innobase/btr/btr0sea.c:
  Add UNIV_LIKELY_NULL to if (heap) mem_free_heap(heap) tests.
innobase/include/univ.i:
  Define UNIV_EXPECT(), UNIV_LIKELY(), UNIV_UNLIKELY(),
  UNIV_LIKELY_NULL(), UNIV_PREFETCH_R() and UNIV_PREFETCH_RW().
innobase/lock/lock0lock.c:
  Add UNIV_LIKELY_NULL to if (heap) mem_free_heap(heap) tests.
innobase/page/page0cur.c:
  Add UNIV_LIKELY_NULL to if (heap) mem_free_heap(heap) tests.
innobase/page/page0page.c:
  Add UNIV_LIKELY_NULL to if (heap) mem_free_heap(heap) tests.
innobase/rem/rem0rec.c:
  Add UNIV_LIKELY_NULL to if (heap) mem_free_heap(heap) tests.
innobase/row/row0ins.c:
  Add UNIV_LIKELY_NULL to if (heap) mem_free_heap(heap) tests.
innobase/row/row0mysql.c:
  Add UNIV_LIKELY_NULL to if (heap) mem_free_heap(heap) tests.
innobase/row/row0purge.c:
  Add UNIV_LIKELY_NULL to if (heap) mem_free_heap(heap) tests.
innobase/row/row0row.c:
  Add UNIV_LIKELY_NULL to if (heap) mem_free_heap(heap) tests.
innobase/row/row0sel.c:
  Add UNIV_LIKELY_NULL to if (heap) mem_free_heap(heap) tests.
innobase/row/row0undo.c:
  Add UNIV_LIKELY_NULL to if (heap) mem_free_heap(heap) tests.
innobase/row/row0upd.c:
  Add UNIV_LIKELY_NULL to if (heap) mem_free_heap(heap) tests.
innobase/trx/trx0rec.c:
  Add UNIV_LIKELY_NULL to if (heap) mem_free_heap(heap) tests.

innobase/btr/btr0btr.c:
  Enclose btr_print_size() and btr_print_tree() in #ifdef UNIV_BTR_PRINT
  Add trx_t* parameter to btr_validate_tree() and btr_validate_level().
  btr_validate_level(): Call trx_is_interrupted() on each page.
innobase/ibuf/ibuf0ibuf.c:
  Add trx_t* parameter to btr_validate_tree().
innobase/include/btr0btr.h:
  Enclose btr_print_size() and btr_print_tree() in #ifdef UNIV_BTR_PRINT
  Add trx_t* parameter to btr_validate_tree().
innobase/include/trx0trx.h:
  Declare trx_is_interrupted().
innobase/row/row0mysql.c:
  row_scan_and_check_index(): Check trx_is_interrupted() every 1,000
  scanned rows.
  row_check_table_for_mysql(): Check trx_is_interrupted()
  for each index after btr_validate_tree().
sql/ha_innodb.cc:
  Define trx_is_interrupted().

MLOG_COMP_REC_SEC_DELETE_MARK with MLOG_REC_SEC_DELETE_MARK
in order to reduce the space occupied by the redo log.


innobase/btr/btr0cur.c:
  Replace MLOG_COMP_REC_SEC_DELETE_MARK with MLOG_REC_SEC_DELETE_MARK
  and eliminate redundant dict_index_t* parameters.
innobase/ibuf/ibuf0ibuf.c:
  Remove unnecessary parameter to btr_cur_del_unmark_for_ibuf()
innobase/include/btr0cur.h:
  Remove unnecessary dict_index_t* parameters
innobase/include/mtr0mtr.h:
  Note that MLOG_COMP_REC_SEC_DELETE_MARK is obsolete
innobase/log/log0recv.c:
  recv_parse_or_apply_log_rec_body():
  Ignore the index information in MLOG_COMP_REC_SEC_DELETE_MARK.
  Add assertions about page_is_comp().

into mysql.com:/home/pem/work/mysql-5.0


sql/sql_yacc.yy:
  Auto merged

into mysql.com:/M50/mysql-5.0

scripts/make_binary_distribution.sh:
  Auto merged
support-files/mysql.server.sh:
  Auto merged

into mysql.com:/home/psergey/mysql-5.0-look-range

mysql-test/r/show_check.result:
  Auto merged
mysql-test/t/show_check.test:
  Auto merged

into mysql.com:/space/my/mysql-5.0-build

into mysql.com:/space/my/mysql-4.1-build


support-files/MacOSX/Makefile.am:
  Auto merged

  already (and that's the Makefile that acutally creates it)

sql/opt_range.cc:
  Auto merged

into mysql.com:/home/psergey/mysql-4.1-look-range

minimum of lower bounds of two joined intervals.


mysql-test/r/range.result:
  Testcase for BUG#9348
mysql-test/t/range.test:
  Testcase for BUG#9348

scripts/make_binary_distribution.sh:
  add libexec expansion handling to make_binary_distribution
support-files/mysql.server.sh:
  mysql.server init.d script fixed back to use mysqld_safe by default, as mysqlmanager does not handle all
  installation scenarious yet. + libexecdir template was added for mysqlmanager to deal nicely  with the
  source distribution

Changed type of "Sub_part" column in SHOW KEYS from TINYINT to SMALLINT (as MAX_KEY_LENGTH=1024)
(this is the final cset with proper tests)


mysql-test/r/show_check.result:
  Testcase for BUG#9439
mysql-test/t/show_check.test:
  Testcase for BUG#9439
sql/sql_show.cc:
  Fix for BUG#9439:
  Changed type of "Sub_part" column in SHOW KEYS from TINYINT to SMALLINT (as MAX_KEY_LENGTH=1024)

into mysql.com:/home/mydev/mysql-5.0-bug9188


myisam/myisampack.c:
  Auto merged

into mysql.com:/home/mydev/mysql-4.1-bug9188

into mysql.com:/home/mydev/mysql-4.1-bug9487

myisam/mi_search.c:
  Auto merged
myisam/mi_write.c:
  Auto merged
mysql-test/r/innodb.result:
  Auto merged
mysql-test/t/innodb.test:
  Auto merged
sql/sql_delete.cc:
  Auto merged
sql/sql_lex.cc:
  Auto merged
sql/sql_yacc.yy:
  Auto merged
mysql-test/r/myisam.result:
  SCCS merged
mysql-test/t/myisam.test:
  SCCS merged

into mysql.com:/home/mydev/mysql-4.1-bug9188

into mishka.local:/home/my/mysql-5.0

Set bindir, datadir & others if --basedir is given. This ensures that one only has to set basedir in [mysqld] group when moving a binary installation to a not default polace
Use for now safe_mysqld by default. (unless use-manager is set in the [mysql.server] option in my.cnf)
Search first for defaults files in basedir and then in datadir (like mysqld_safe)


support-files/mysql.server.sh:
  Set bindir, datadir & others if --basedir is given. This ensures that one only has to set basedir in [mysqld] group when moving a binary installation to a not default polace
  Use for now safe_mysqld by default. (unless use-manager is set in the [mysql.server] option in my.cnf)
  Search first for defaults files in basedir and then in datadir (like mysqld_safe)
  I removed the test for localstatedir as default.c doesn't anymore read defaults files from localstatedir