[swift-dev] Build failing on CMakeTestCCompiler.cmake

[Frederick Kellison-Linn]

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)

The full text of the failure is below. Any help figuring out how to solve this issue would be greatly appreciated.

[2112/2254] Performing configure step for 'compiler-rt'
-- The C compiler identification is Clang 4.0.0
-- The CXX compiler identification is Clang 4.0.0
-- The ASM compiler identification is Clang
-- Found assembler: /Users/freddy/Development/swift/swift-source/build/Ninja-RelWithDebInfoAssert/llvm-macosx-x86_64/./bin/clang
-- Check for working C compiler: /Users/freddy/Development/swift/swift-source/build/Ninja-RelWithDebInfoAssert/llvm-macosx-x86_64/./bin/clang
-- Check for working C compiler: /Users/freddy/Development/swift/swift-source/build/Ninja-RelWithDebInfoAssert/llvm-macosx-x86_64/./bin/clang -- broken
CMake Error at /Applications/CMake.app/Contents/share/cmake-3.7/Modules/CMakeTestCCompiler.cmake:51 (message):
  The C compiler
  "/Users/freddy/Development/swift/swift-source/build/Ninja-RelWithDebInfoAssert/llvm-macosx-x86_64/./bin/clang"
  is not able to compile a simple test program.

  It fails with the following output:

   Change Dir: /Users/freddy/Development/swift/swift-source/build/Ninja-RelWithDebInfoAssert/llvm-macosx-x86_64/tools/clang/runtime/compiler-rt-bins/CMakeFiles/CMakeTmp

  

  Run Build Command:"/opt/local/bin/ninja" "cmTC_b980a"

  [1/2] Building C object CMakeFiles/cmTC_b980a.dir/testCCompiler.c.o

  [2/2] Linking C executable cmTC_b980a

  FAILED: cmTC_b980a

  : &&
  /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

  clang-4.0: error: linker command failed with exit code 1 (use -v to see
  invocation)

  ninja: build stopped: subcommand failed.

  

  

  CMake will not be able to correctly generate this project.
Call Stack (most recent call first):
  CMakeLists.txt:12 (project)

Freddy
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