simonmarhaskell at gmail.com
Thu Oct 5 05:55:44 EDT 2006
Ian Lynagh wrote:
> On Tue, Oct 03, 2006 at 04:59:58PM -0400, Ravi Nanavati wrote:
>>If I understand the way things work, GHC decides whether or not to emit
>>the -fno-unit-at-a-time flag in -fvia-C compilation based on whether or
>>not the gcc used when compiling GHC supported the flag or not. I'm
>>running into trouble using precompiled GHC snapshots (that were compiled
>>on machines whose gcc supports -fno-unit-at-a-time) on a machine whose
>>gcc doesn't support it (a gcc 3.2 version, I believe).
>>Is there any way force GHC to not emit the flag (short of recompiling
> Not really. You could use a small gcc wrapper to remove it (you can
> point to it with -pgmc if you don't want to contaminate your path with
> You could probably also change the 'f' to a 'D' with a hex editor, but
> I'm not sure why anyone would prefer that solution.
It would be nice if these kind of configuration settings were in some file
rather than being baked into GHC. I think it might be possible to pass in these
flags via the package configuration for the rts package, for example.
More information about the Glasgow-haskell-users