Merge topic 'custom-command-output-hash-character' 8d2a503c1e add_custom_command: Allow OUTPUT filenames containing a hash '#' character b38000d774 cmGlobalXCodeGenerator: Re-implement legacy makefile path escaping d929089687 cmGlobalXCodeGenerator: Do not use legacy makefile escaping in shell commands d61fc2c52e cmGlobalXCodeGenerator: Migrate legacy makefile path escaping to local helper 6010e007c7 cmState: Add method to check for the Borland Makefiles generator Acked-by: Kitware Robot <kwrobot@kitware.com> Merge-request: !9514