Enables and disables the display of messages giving reasons why a file cannot be precompiled.
This option is deprecated.
Support for Precompiled Header (PCH) files is deprecated from ARM Compiler 5.05 onwards on all platforms. Note that ARM Compiler on Windows 8 never supported PCH files.
In automatic PCH mode, this option ensures that for each PCH file that cannot be used for the current compilation, a message is displayed giving the reason why the file cannot be used.
The default is