Error when building universal binary

[Jacob Carlborg]

Anders F Björklund wrote:
> Jacob Carlborg wrote:
> 
>> I'm using the "-arch" option and I get this error:
>> cc1d: error: unrecognized command line option "-arch"
>> (it doesn't matter if I use gdc or gdmd)
>>
>> Doesn't gdc support the "-arch" option? I thought that if it worked 
>> with gcc it would also work with gdc.
> 
> FSF's GCC does not support this, but Apple's GCC does.
> (the "gdcmac" builds use the Apple GCC instead of FSF)
> 
> When building with the "regular" GCC, you instead run
> one cross-compilation with powerpc-apple-darwin9-gdc
> and one cross-compilation with i686-apple-darwin9-gdc,
> and then lipo(1) the resulting two objects together...
> 
> Apple's GCC has a frontend that does all this for you.
> i.e. gdc -arch ppc -arch i386 will call the above two
> 
> --anders

ok