Am 30.07.2014 um 16:04 schrieb Rob Latham:
> On Wed, Jul 30, 2014 at 8:44 AM, Michael Neumann <[email protected]>
wrote:
>> Am 29.07.2014 um 20:37 schrieb Rob Latham:
>>> what other errors were you encountering with the --target approach?
>>
>> When building the related C libraries you also need to specify the
>> --sysroot to point to the DragonFly tree, otherwise it's building the
>> libraries targeted at DragonFly but with Linux header files, which
>> clearly is *wrong*.
>
> I'd set this up in mk/platform.mk. Check out how arm-apple-ios does it:
>
> CFG_IOS_SDK = $(shell xcrun --show-sdk-path -sdk iphoneos 2>/dev/null)
> CFG_IOS_FLAGS = -target armv7-apple-darwin -isysroot $(CFG_IOS_SDK)
> -mios-version-min=7.0
> CFG_CFLAGS_arm-apple-ios := -arch armv7 -mfpu=vfp3 $(CFG_IOS_FLAGS)
>
> https://github.com/rust-lang/rust/blob/master/mk/platform.mk#L158
I tried this as you can see here [1]. But you have to consider that Mac
OS X comes with an iphone SDK while Linux does not come with DragonFly
"SDK" :D. I think no-one ever tried to cross-compile a program for
DragonFly :).
[1]:
https://github.com/mneumann/rust/commit/ab1124980f97558af87b789a1c0772bfa7e23704
Regards,
Michael
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