Cross compile linux -> OS X
kinke
noone at nowhere.com
Mon Nov 20 20:42:28 UTC 2017
On Monday, 20 November 2017 at 18:01:02 UTC, Oleg B wrote:
> Hello. It's possible to build application on linux for OS X?
> And if yes what I need to do for this? Also interesting works
> with libraries as gtk-d.
Hi Oleg,
of course it's possible, I just don't know how much of a hassle
it is. The steps are always the same:
1) Compile objects/static libs via `-mtriple=x86_64-darwin` (or a
more specific triple, I'm not an Apple user).
2) Get ahold of druntime/Phobos for OSX; the simplest solution is
to copy the libs from the official LDC package for OSX; compiling
them yourself via the ldc-build-runtime tool
(https://wiki.dlang.org/Building_LDC_runtime_libraries) would be
another option but requires a full C cross-toolchain.
3) Link with a linker capable of outputting OSX binaries; you'll
also need the OSX C runtime libs/init objects as druntime is
built on top of the C runtime. I guess Apple doesn't provide a
cross-toolchain by themselves, so you may have to copy the
libs/objects over from an Xcode installation and link manually
via LLD.
Points 1 and 2 are trivial; point 3, cross-linking, is definitely
the biggest hurdle. It's not specific to D though, so any
guide/tutorial you find about how to cross-compile/link C(++)
code from Linux to OSX will be applicable here as well.
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