[swift-dev] Build failing on CMakeTestCCompiler.cmake

Thu Dec 8 20:05:12 CST 2016

which ld gives the same /opt/local version

My path is

/opt/local/bin:/opt/local/sbin:/opt/local/bin:/opt/local/sbin:/Library/Frameworks/Python.framework/Versions/3.4/bin:/Users/freddy/anaconda3/bin:/opt/local/bin:/opt/local/sbin:/Users/freddy/.rvm/gems/ruby-2.1.1/bin:/Users/freddy/.rvm/gems/ruby-2.1.1 at global/bin:/Users/freddy/.rvm/rubies/ruby-2.1.1/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/opt/X11/bin:/usr/local/git/bin:/usr/local/MacGPG2/bin:/Library/TeX/texbin:/Users/freddy/.rvm/bin

Freddy

> On Dec 8, 2016, at 5:31 PM, William Dillon <william at housedillon.com> wrote:
> 
> What if you try:
> 
> which ld
> 
> And, what’s your PATH?
> 
> On December 8, 2016 at 2:19:20 PM, Frederick Kellison-Linn (fred.kl at me.com <mailto:fred.kl at me.com>) wrote:
> 
>> Yeah that seems wrong to me as well. Do you know how I can change the linker that clang invokes?
>> 
>> Freddy
>> 
>>> On Dec 8, 2016, at 5:16 PM, William Dillon <william at housedillon.com <mailto:william at housedillon.com>> wrote:
>>> 
>>> The Apple folks might know better and correct me, but I’m pretty certain you don’t want to be using any toolchains in /opt/local.  It all needs to be from the Xcode.app.
>>> 
>>> - Will
>>> 
>>> On December 8, 2016 at 2:14:42 PM, Frederick Kellison-Linn via swift-dev (swift-dev at swift.org <mailto:swift-dev at swift.org>) wrote:
>>> 
>>>> The output of those commands follows:
>>>> 
>>>> $ xcode-select -p
>>>> /Applications/Xcode.app/Contents/Developer
>>>> 
>>>> $ xcodebuild -version
>>>> Xcode 8.1
>>>> Build version 8B62
>>>> 
>>>> Both look fine to me.
>>>> 
>>>> It appears that clang is invoking /opt/local/bin/ld, and running /opt/local/bin/ld -v gives:
>>>> 
>>>> @(#)PROGRAM:ld  PROJECT:ld64-264.3.102
>>>> configured to support archs: i386 x86_64 x86_64h armv6 armv7 armv7s armv7m armv7k arm64 (tvOS)
>>>> LTO support using: LLVM version 3.8.1
>>>> 
>>>> What is wrong with the config here?
>>>> 
>>>> Freddy
>>>>  
>>>>> On Dec 8, 2016, at 4:28 PM, William Dillon <william at housedillon.com <mailto:william at housedillon.com>> wrote:
>>>>> 
>>>>> I think Greg is right.  I’ve seen this before, and the way I fixed it was by fixing the Xcode configuration, specifically relating to the command-line tools.
>>>>> 
>>>>> - Will
>>>>> 
>>>>> On December 8, 2016 at 1:24:59 PM, Greg Parker via swift-dev (swift-dev at swift.org <mailto:swift-dev at swift.org>) wrote:
>>>>> 
>>>>>> 
>>>>>>> On Dec 8, 2016, at 7:28 AM, Frederick Kellison-Linn via swift-dev <swift-dev at swift.org <mailto:swift-dev at swift.org>> wrote:
>>>>>>> 
>>>>>>> Hello,
>>>>>>> 
>>>>>>> I have been attempting to build Swift, but have been running into issues near the end of the build. Specifically, CMake fails on the step [2112/2254] Performing configure step for 'compiler-rt’, since the compiled clang fails to build a simple C program. The specific issue appears to be at the lines:
>>>>>>> 
>>>>>>> ld: unexpected token: !tapi-tbd-v2 file
>>>>>>>   '/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.12.sdk/usr/lib/libSystem.tbd'
>>>>>>>   for architecture x86_64
>>>>>>> 
>>>>>>> My system settings are as follows:
>>>>>>> 
>>>>>>> MacBook Pro (Retina, Mid 2012)
>>>>>>> macOS Sierra Version 10.12.2 Beta (16C48b)
>>>>>>> Xcode Version 8.1 (8B62)
>>>>>>>     |----clang/clang++: Apple LLVM version 8.0.0 (clang-800.0.42.1)
>>>>>>> 
>>>>>>>   /Users/freddy/Development/swift/swift-source/build/Ninja-RelWithDebInfoAssert/llvm-macosx-x86_64/./bin/clang
>>>>>>>   -isysroot
>>>>>>>   /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.12.sdk
>>>>>>>   -Wl,-search_paths_first -Wl,-headerpad_max_install_names
>>>>>>>   CMakeFiles/cmTC_b980a.dir/testCCompiler.c.o -o cmTC_b980a && :
>>>>>>> 
>>>>>>>   ld: unexpected token: !tapi-tbd-v2 file
>>>>>>>   '/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.12.sdk/usr/lib/libSystem.tbd'
>>>>>>>   for architecture x86_64
>>>>>> 
>>>>>> 
>>>>>> That error sounds like the build is trying to use an old linker that does not understand the format of the current SDK's files.
>>>>>> 
>>>>>> Xcode 8.1 (8B62) should be fine. If the problem is an old linker then it is most likely coming from some other install of Xcode on your machine.
>>>>>> 
>>>>>> What is the output of `xcode-select -p` and `xcodebuild -version`? If those are pointing at some other install of Xcode then you can use `xcode-select -s` to tell the command-line tools which copy of Xcode to use.
>>>>>> 
>>>>>> You can also re-run the failing clang command by hand and add -### to its arguments. clang will then print the full path to the linker it is running.
>>>>>> 
>>>>>> 
>>>>>> -- 
>>>>>> Greg Parker     gparker at apple.com <mailto:gparker at apple.com>     Runtime Wrangler
>>>>>> 
>>>>>> 
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