BuildSystem/Macros: Revert FindMySQL.cmake changes from ea96a5d888 - handled with simple if-tests instead

BuildSystem: Adjust buildfiles so that they reflect their proper parameters (will change when we've cleaned it up even more)

--HG--
branch : trunk

cmake/platform/settings.win32.cmake

@@ -1,9 +1,19 @@
+# Platform-specfic options
+option(EXTERNAL_MYSQL "Use your own installed MySQL instead of the internal one" 0)
+
 # Package overloads
 set(ACE_INCLUDE_DIR ${CMAKE_SOURCE_DIR}/dep/acelite)
 set(ACE_LIBRARY "ace")
 set(BZIP2_LIBRARIES "bzip2")
 set(ZLIB_LIBRARIES "zlib")
 
+if( EXTERNAL_MYSQL )
+  set(MYSQL_INCLUDE_DIR ${CMAKE_SOURCE_DIR}/dep/mysqllite/include)
+  set(MYSQL_LIBRARY "libmysql")
+  set( MYSQL_FOUND 1 )
+  message(STATUS "Using internal MySQL.")
+endif( EXTERNAL_MYSQL )
+
 # check the CMake preload parameters (commented out by default)
 
 # overload CMAKE_INSTALL_PREFIX if not being set properly