i tried doing this: ./bjam macosx-version-min=10.4 architecture=combined linkflags="- force_cpusubtype_ALL" install malkier:lib davec$ otool -f -v ./libboost_thread.dylib Fat headers fat_magic FAT_MAGIC nfat_arch 2 architecture i386 cputype CPU_TYPE_I386 cpusubtype CPU_SUBTYPE_I386_ALL capabilities 0x0 offset 4096 size 119460 align 2^12 (4096) architecture ppc7400 cputype CPU_TYPE_POWERPC cpusubtype CPU_SUBTYPE_POWERPC_7400 capabilities 0x0 offset 126976 size 124024 align 2^12 (4096) malkier:lib davec$ On Oct 20, 2009, at 10:10 PM, Vladimir Prus wrote:
David M. Cotter wrote:
from Chris again:
Just to follow up on this: there appears to be some odd (or at least non-obvious) behaviour with the linker in Xcode 3.2. If you set the deployment target to 10.3, the resulting architecture ends up as ppc7400 whereas 10.4 will give you ppc. (10.5 and 10.6 give you ppc7400.)
Anyway, if you know your code will work on all PowerPC CPU subtypes, it looks like you could use the -force_cpusubtype_ALL linker flag (I haven't tried it).
again: how do i do this using bjam?
I think you meant "using Boost.Build". There are cflags and linkflags properties that you can specify on the command line. E.g.
linkflags="-force_cpusubtype_ALL"
Does this help?
- Volodya
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