On Fri, May 25, 2012 at 2:41 PM, Kyle McKay <mack...@gmail.com> wrote:
> cd /tmp
> git clone git://libusbx.git.sourceforge.net/gitroot/libusbx/libusbx
> cd libusbx
> git log -1 --oneline
> # a544e59 Misc: Ensure all sources are UTF-8
> ./autogen.sh
> CFLAGS='-O2 -arch x86_64 -arch i386 -arch ppc' \
> ./configure --disable-dependency-tracking
> make
> lipo -detailed_info libusb/.libs/libusb-1.0.0.dylib
>
> The magic configure option you must not forget when doing this is
> --disable-dependency-tracking. Add an "LDFLAGS='-Wl,-force_cpusubtype_ALL'"
> if you want to force the ppc subtype to be CPU_SUBTYPE_POWERPC_ALL instead.
>
Great. Under Mac OS X Lion, it seems to me I need to remove
"-arch ppc". Other than that, it works nicely.
mymacmini:build_universal xiaofanc$ CFLAGS='-O2 -arch x86_64 -arch
i386' ../libusbx/configure --prefix=/usr/local/Cellar/libusb/HEAD
--enable-maintainer-mode --disable-dependency-tracking
--enable-examples-build
mymacmini:build_universal xiaofanc$ lipo -detailed_info
libusb/.libs/libusb-1.0.0.dylib
Fat header in: libusb/.libs/libusb-1.0.0.dylib
fat_magic 0xcafebabe
nfat_arch 2
architecture x86_64
cputype CPU_TYPE_X86_64
cpusubtype CPU_SUBTYPE_X86_64_ALL
offset 4096
size 76084
align 2^12 (4096)
architecture i386
cputype CPU_TYPE_I386
cpusubtype CPU_SUBTYPE_I386_ALL
offset 81920
size 66992
align 2^12 (4096)
mymacmini:build_universal xiaofanc$ lipo -detailed_info
examples/.libs/listdevs Fat header in: examples/.libs/listdevs
fat_magic 0xcafebabe
nfat_arch 2
architecture x86_64
cputype CPU_TYPE_X86_64
cpusubtype CPU_SUBTYPE_X86_64_ALL
offset 4096
size 9316
align 2^12 (4096)
architecture i386
cputype CPU_TYPE_I386
cpusubtype CPU_SUBTYPE_I386_ALL
offset 16384
size 9252
align 2^12 (4096)
--
Xiaofan
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