[Bug 256497] databases/mysql-connector-odbc

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=256497

            Bug ID: 256497
           Summary: databases/mysql-connector-odbc
           Product: Ports & Packages
           Version: Latest
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: Individual Port(s)
          Assignee: ports-bugs@FreeBSD.org
          Reporter: titus@edc.ro

databases/mysql-connector-odbc causes segmentaion fault in libmysql in
mysql_get_character_set_info()


#1  0x20eef454 in myodbc_do_connect(tagDBC*, DataSource*) () from
/usr/local/lib/libmyodbc5a.so
#2  0x20eefb3c in MySQLConnect(void*, unsigned short*, short, unsigned short*,
short, unsigned short*, short) ()
   from /usr/local/lib/libmyodbc5a.so
#3  0x20f0cf7c in SQLConnect () from /usr/local/lib/libmyodbc5a.so
#4  0x209e2830 in SQLConnect () from /usr/local/lib/libodbc.so.2
#5  0x20871020 in TclDatabase::TclDatabase(TclObj, TclObj, TclObj) () from
./libtclodbc2.5.so
#6  0x2087083c in tcl_database(void*, Tcl_Interp*, int, Tcl_Obj* const*) ()
from ./libtclodbc2.5.so
#7  0x20110618 in Tcl_EvalObjv () from /usr/local/lib/libtcl86.so.1
#8  0x20111c5c in ?? () from /usr/local/lib/libtcl86.so.1
#9  0x201cf48c in Tcl_FSEvalFileEx () from /usr/local/lib/libtcl86.so.1
#10 0x201d7b78 in Tcl_MainEx () from /usr/local/lib/libtcl86.so.1
#11 0x0002087c in ?? ()
#12 0x00020640 in ?? ()

i think the problem is caused by my_thread_global_init which is present in
libmysqlient.so and libmyodbc5a and causing a split brain init 
odbc drv call mysql_init which calls mysql_server_init which calls
my_thread_global_init and the odbc ver is executed and the static
my_thread_global_init_done in lmysqlclient is not set
this cause silent failures of mysql_init and in the end segv

the fix is to link libmysqlclient(_r).a with the odbc driver
CMAKE_ARGS=     -DWITH_UNIXODBC=1 -DDISABLE_GUI=1
-DMYSQLCLIENT_STATIC_LINKING=1

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