[swift-corelibs-dev] libdispatch module on Linux

[Philippe Hausler]

I noticed with importing CoreFoundation into swift-corelibs-foundation that we needed to pass  -Xcc -fblocks to switfc to make it import a few things correctly on linux. I wonder if that is the same thing that is happening here too.

> On Jan 18, 2016, at 8:31 AM, Daniel Eggert via swift-corelibs-dev <swift-corelibs-dev at swift.org> wrote:
> 
> I’ve create a system module for libdispatch, but when I import it, I don’t see anything guarded by __BLOCKS__.
> 
> Is there something I need to do when defining the system module to make that work?
> 
> Or something when I use it?
> 
> /Daniel
> 
> 
> % cat Package.swift 
> import PackageDescription
> let package = Package(name: "CDispatch”)
> 
> 
> % cat module.modulemap 
> module CDispatch [system] {
> umbrella header "/usr/local/include/dispatch/dispatch.h"
> link "dispatch"
> export *
> }
> 
> 
> % uname -a
> Linux ubuntu 4.2.0-16-generic #19-Ubuntu SMP Thu Oct 8 15:35:06 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
> 
> 
> 
> % swift -I path/to/CDispatch-1.0.2
> Welcome to Swift version 2.2-dev (LLVM 3ebdbb2c7e, Clang f66c5bb67b, Swift 1f2908b4f7). Type :help for assistance.
> 1> import CDispatch
> 2> dispatch_group_
> Available completions:
> 	dispatch_group_async_f(group: dispatch_group_t, queue: dispatch_queue_t, context: UnsafeMutablePointer<Void>, work: dispatch_function_t(UnsafeMutablePointer<Void>) -> Void) -> Void
> 	dispatch_group_create() -> dispatch_group_t
> 	dispatch_group_enter(group: dispatch_group_t) -> Void
> 	dispatch_group_leave(group: dispatch_group_t) -> Void
> 	dispatch_group_notify_f(group: dispatch_group_t, queue: dispatch_queue_t, context: UnsafeMutablePointer<Void>, work: dispatch_function_t(UnsafeMutablePointer<Void>) -> Void) -> Void
> 	dispatch_group_t
> 	dispatch_group_wait(group: dispatch_group_t, timeout: dispatch_time_t) -> Int
> 
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