Handle possible missing declaration of MySQL type my_bool as its definition was removed in version > 8.0.1.

git-svn-id: http://voip.null.ro/svn/yate@6499 acf43c95-373e-0410-b603-e72c3f656dc1

configure.ac

@@ -766,6 +766,7 @@ if test "$HAVE_MYSQL" = "yes"; then
     AC_CHECK_DECLS([MYSQL_OPT_READ_TIMEOUT],[MYSQL_INC="$MYSQL_INC -DMYSQL_OPT_READ_TIMEOUT=MYSQL_OPT_READ_TIMEOUT"],,[#include<mysql.h>])
     AC_CHECK_DECLS([MYSQL_OPT_WRITE_TIMEOUT],[MYSQL_INC="$MYSQL_INC -DMYSQL_OPT_WRITE_TIMEOUT=MYSQL_OPT_WRITE_TIMEOUT"],,[#include<mysql.h>])
     AC_CHECK_DECLS([mysql_set_character_set],[MYSQL_INC="$MYSQL_INC -DHAVE_MYSQL_SET_CHARSET"],,[#include<mysql.h>])
+    AC_CHECK_TYPE([my_bool],[MYSQL_INC="$MYSQL_INC -DHAVE_MYSQL_MY_BOOL"],,[#include<mysql.h>])
     CPPFLAGS=$save_CPPFLAGS
 fi
 fi

modules/server/mysqldb.cpp

@@ -38,6 +38,11 @@
 #define mysql_library_end mysql_server_end
 #endif
 
+// MySQL 8.0.1 removes declaration of my_bool
+#ifndef HAVE_MYSQL_MY_BOOL
+typedef char my_bool;
+#endif
+
 using namespace TelEngine;
 namespace { // anonymous