Validate broken on Mac OS X

[Manuel M T Chakravarty]

Validate is broken again on Mac OS X.  If you guys don't have a Mac to  
validate build system changes and other stuff that likely affects  
multiple platforms, I am happy to set you up with an account on our  
Xserve.

Manuel

-=-

rm -f includes/dist-derivedconstants/build/mkDerivedConstants.o
inplace/bin/mkdirhier includes/dist-derivedconstants/build/
/usr/bin/ghc -optc-O -optc-g -optc-O2 -optc-Wall -optc-Werror -optc- 
DTABLES_NEXT_TO_CODE -optc-Iincludes -optc-Irts -optc-Irts/parallel - 
optc-Igmp/gmpbuild  -H32m -O -Wall -Werror -H64m -O0 -fasm     -i - 
iincludes/. -iincludes/dist-derivedconstants/build -iincludes/dist- 
derivedconstants/build/autogen -Iincludes/dist-derivedconstants/build - 
Iincludes/dist-derivedconstants/build/autogen           -c includes/ 
mkDerivedConstants.c -o includes/dist-derivedconstants/build/ 
mkDerivedConstants.o
In file included from includes/ghcconfig.h:5,
                  from includes/Stg.h:45,
                  from includes/Rts.h:19,

                  from includes/mkDerivedConstants.c:23:0:

includes/ghcplatform.h:7:13:
      error: missing whitespace after the macro name

includes/ghcplatform.h:7:1:  error: "i386" redefined

<built-in>:1:1:
      error: this is the location of the previous definition

includes/ghcplatform.h:8:13:
      error: missing whitespace after the macro name

includes/ghcplatform.h:8:1:  error: "i386" redefined

includes/ghcplatform.h:7:1:
      error: this is the location of the previous definition

includes/ghcplatform.h:27:13:
      error: missing whitespace after the macro name

includes/ghcplatform.h:27:1:  error: "i386" redefined

includes/ghcplatform.h:8:1:
      error: this is the location of the previous definition
make[1]: *** [includes/dist-ghcconstants/build/mkDerivedConstants.o]  
Error 1
make[1]: *** Waiting for unfinished jobs....
In file included from includes/ghcconfig.h:5,
                  from includes/Stg.h:45,
                  from includes/Rts.h:19,

                  from includes/mkDerivedConstants.c:23:0:

includes/ghcplatform.h:7:13:
      error: missing whitespace after the macro name

includes/ghcplatform.h:7:1:  error: "i386" redefined

<built-in>:1:1:
      error: this is the location of the previous definition

includes/ghcplatform.h:8:13:
      error: missing whitespace after the macro name

includes/ghcplatform.h:8:1:  error: "i386" redefined

includes/ghcplatform.h:7:1:
      error: this is the location of the previous definition

includes/ghcplatform.h:27:13:
      error: missing whitespace after the macro name

includes/ghcplatform.h:27:1:  error: "i386" redefined

includes/ghcplatform.h:8:1:
      error: this is the location of the previous definition
make[1]: *** [includes/dist-derivedconstants/build/ 
mkDerivedConstants.o] Error 1
make: *** [all] Error 2
limitingfactor chak 9 (.../Code/ghc-test):