This option specifies the folder to save the preprocessed C source file.
A preprocessed C source file will not be output (except when specifying the -P option).
This option specifies the folder to save a preprocessed C source file generated by specifying the -P option as path. |
If an existing folder is specified as path, the preprocessed C source file is saved under the C source file name with the extension replaced by ".i" to path. |
An existing file can be specified as path. |
If "=path" is omitted, the preprocessed C source file is saved under the C source file name with the extension replaced by ".i". |
If two or more files with the same name (even if they are in different folders) are specified as source files, then a warning is output, and a preprocessed C source file is only saved for the last source file to be specified. |