On Mon, Dec 15, 2014 at 4:33 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Jeff Janes <jeff.janes@gmail.com> writes:
>> It seems like IGNORE is getting replaced by the preprocessor with something
>> else, but I don't know how to get my hands on the intermediate file after
>> the preprocessor has done its thing.
>
> Maybe IGNORE is defined as a macro in MinGW?
> Try s/IGNORE/IGNORE_P/g throughout the patch.
BTW, the gcc -E flag does this. So figure out what exact arguments
MinGW's gcc is passed in the ordinary course of compiling gram.c, and
prepend "-E" to the list of existing flags while manually executing
gcc -- that should let you know exactly what's happening here.
--
Peter Geoghegan