Extra fixes for Mac ODBC driver

sql-odbc/docs/user/microsoft_excel_support_mac.md

@@ -50,6 +50,7 @@
 <img src="img/excel_table_list.png" width="500">
 
 * Edit SQL statement if required and click on **Run**. Data preview will be loaded.
+> **NOTE**: Excel for Mac currently will not show an error if you provide an incorrect query ([Github issue here](https://github.com/opendistro-for-elasticsearch/sql/issues/601)). If no data appears, check your ODFE server logs to see if the query failed.
 
 <img src="img/excel_data_preview_mac.png">
 

sql-odbc/src/installer/CMakeLists.txt

@@ -53,6 +53,9 @@ if(WIN32)
 else()
     set(CPACK_GENERATOR "productbuild")
 
+    # This script will be run once the Driver component has finished installing.
+    set(CPACK_POSTFLIGHT_DRIVER_SCRIPT "${CMAKE_CURRENT_SOURCE_DIR}/postinstall")
+
     # The productbuild generator copies files from this directory
     set(CPACK_PRODUCTBUILD_RESOURCES_DIR "${CMAKE_CURRENT_SOURCE_DIR}/Resources")
 
@@ -71,8 +74,6 @@ else()
     set(CPACK_RESOURCE_FILE_LICENSE "${PROJECT_ROOT}/LICENSE.txt")
     set(CPACK_RESOURCE_FILE_README "${CMAKE_CURRENT_SOURCE_DIR}/Resources/README.txt")
     set(CPACK_RESOURCE_FILE_WELCOME "${CMAKE_CURRENT_SOURCE_DIR}/Resources/Welcome.txt")
-
-    set(CPACK_PACKAGING_INSTALL_PREFIX "/Library/ODBC/odfe-sql-odbc")
 endif()
 
 # Set up components for installer