[swift-users] Cross-Compiling to Linux from macOS
razielim at gmail.com
Wed Sep 21 16:38:29 CDT 2016
> On 21 Sep 2016, at 19:14, Rafael Costa via swift-users <swift-users at swift.org> wrote:
> Hello fellow Swift users,
> I’m encountering some problems and I wish to know if anyone here has ever come across something similar.
> In essence, I want to cross-compile a Swift Project on macOS to run it on Linux. I’m using the following command to (try) to do so:
> swift build -c release --build-path ./.build/linux -Xswiftc -static-stdlib -Xswiftc -target -Xswiftc x86_64-unknown-linux-gnu
> The “target” parameter is passing to the “swiftc” program just fine. The problem is that it is overwritten by a “target” parameter added automatically by swift-build (that sets the target as the same arch/OS as the host machine)
> How can I prevent that? Is it possible to cross-compile for Linux on macOS?
> Thanks in advance,
> Rafael Costa
> rafael at rafaelcosta.me <mailto:rafael at rafaelcosta.me>
> swift-users mailing list
> swift-users at swift.org
It is possible, but I don’t know if swift-build supports it. We don’t really have much comprehensive support for cross-compiling right now.
To cross-compile, you need to set the target, sysroot and tools-directory (the latter only required if compiling an executable, not for swiftmodules). You might also need to set the resource-dir to the lib/swift folder where the target’s standard library is.
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