asharif <asharif@xxxxxxxxxxx> writes: > Up untilÂhttp://gcc.gnu.org/viewcvs?view=revision&revision=163770, you > could have a line like this in the gcc driver spec file: > > cc1: > %(cc1_cpu) %{profile:-p} %{DFOO: -foo} > > This would detect if -DFOO was given on the driver command line and > would pass in -foo to cc1. > > However, after r163770 this stopped working. > > Is there a way to do this using current trunk (i.e., add a flag to a > tool if a particular define is present on the gcc driver command > line)? Was the old way broken or was there a bug introduced with > revision r163770? This doesn't work when preprocessing and compiling are separated, which means that it doesn't work with distcc or ccache. I don't see any way to fix that, so I don't think we're likely to resurrect this functionality. Ian
