[swift-users] Build swift on FreeBSD

Alex Blewitt alblue at apple.com
Tue Apr 18 04:17:48 CDT 2017

The error may be because of the missing symbol you saw earlier. The build has a setting SWIFT_LINK_OBJC_RUNTIME which should default to NO on non-Darwin systems, but I don't know how the detection works on FreeBSD.

The symbol is being emitted by the clang compiler and it seems to think there's a GnuStep header somewhere, so that would be where you could start looking to see what is happening: 



> On 15 Apr 2017, at 09:41, J O via swift-users <swift-users at swift.org> wrote:
> Hello, I am a freebsd user. Swift interests me. I clone the swift git to freebsd os and build it then I don't know how to play with it, these are my experience:
> mkdir swift-sources
> cd swift-sources
> git clone https://github.com/apple/swift <https://github.com/apple/swift>
> ./swift/utils/update-checkout --clone
> cd swift
> ./utils/build-script -R
> After build finished, the swift has been generated:
> $ cd ../
> $ ls ./build/Ninja-ReleaseAssert/                                           
> cmark-freebsd-x86_64       llvm-freebsd-x86_64
> libdispatch-freebsd-x86_64 swift-freebsd-x86_642
> But when I invoke swift and swiftc, it show these errors:
> $ ./build/Ninja-ReleaseAssert/swift-freebsd-x86_64/bin/swift
> <unknown>:0: error: could not load the swift standard library
> So the first question is how can I configure the swift standard library?
> I need swift working to learn swift programming.
> The second question:
> $ echo "print(\"Hello Swift!\")" > code.swift
> $ ./build/Ninja-ReleaseAssert/swift-freebsd-x86_64/bin/swiftc code.swift
> $ ls
> build                          log.01.txt                                    clang                          ninja
> cmark                          swift
> code                           swift-corelibs-foundation
> code.swift                     swift-corelibs-libdispatch
> compiler-rt                    swift-corelibs-xctest
> llbuild                        swift-integration-tests
> lldb                           swift-xcode-playground-support
> llvm                           swiftpm
> $ ./code                                                                    
> /usr/home/f/bin/sources/swift-sources/build/Ninja-ReleaseAssert/swift-freebsd-x86_64/lib/swift/freebsd/libswiftCore.so: Undefined symbol "__gnustep_objcxx_personality_v0"
> Swiftc can fortunitely compile the code, but when I run it, it
> reports __gnustep_objcxx_personality_v0 is undefined symbol.
> Yes, really it doesn't have gnustep or objcxx. I only want swift
> and swiftc working. What should I do next?
> _______________________________________________
> swift-users mailing list
> swift-users at swift.org
> https://lists.swift.org/mailman/listinfo/swift-users

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