[Openmp-dev] CMake config failure

[Jim Cownie via Openmp-dev]

I am trying to build the runtime on MacOS, but Cmake is failing.

$ git branch 
  master
  release/11.x
* release/12.x

$ git describe
llvmorg-12.0.0-rc1-51-ge8cdcaeae406

$ cat JimConfig.sh
// Config script
BUILD_SYSTEM=Ninja
BUILD_TAG=ninja
INSTALLDIR=$HOME/software/clang-12.0.0/arm64

cmake ../llvm \
      -G$BUILD_SYSTEM -B ${BUILD_TAG}_build \
      -DCMAKE_OSX_ARCHITECTURES='arm64' \
      -DCMAKE_C_COMPILER=`which clang` \
      -DCMAKE_CXX_COMPILER=`which clang++` \
      -DCMAKE_BUILD_TYPE=Release \
      -DCMAKE_INSTALL_PREFIX=$INSTALLDIR \
      -DLLVM_LOCAL_RPATH=$INSTALLDIR/lib \
      -DLLVM_ENABLE_WERROR=FALSE \
      -DLLVM_TARGETS_TO_BUILD='AArch64' \
      -DLLVM_DEFAULT_TARGET_TRIPLE='aarch64-apple-darwin20.2.0' \
      -DDEFAULT_SYSROOT="$(xcrun --show-sdk-path)" \
      -DLLVM_ENABLE_PROJECTS=‘openmp'

$ sh JimConfig.sh 
-- clang project is disabled
-- clang-tools-extra project is disabled
-- compiler-rt project is disabled
-- debuginfo-tests project is disabled
-- libc project is disabled
-- libclc project is disabled
-- libcxx project is disabled
-- libcxxabi project is disabled
-- libunwind project is disabled
-- lld project is disabled
-- lldb project is disabled
-- mlir project is disabled
-- openmp project is enabled
-- parallel-libs project is disabled
-- polly project is disabled
-- pstl project is disabled
-- flang project is disabled
-- Found libtool - /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/libtool
-- Native target X86 is not selected; lli will not JIT code
-- Threads enabled.
-- Doxygen disabled.
-- Go bindings disabled.
-- Ninja version: 1.10.2
-- Found ld64 - /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld
-- Could NOT find OCaml (missing: OCAMLFIND OCAML_VERSION OCAML_STDLIB_PATH) 
-- Could NOT find OCaml (missing: OCAMLFIND OCAML_VERSION OCAML_STDLIB_PATH) 
-- OCaml bindings disabled.
-- LLVM host triple: x86_64-apple-darwin20.2.0
-- LLVM default target triple: aarch64-apple-darwin20.2.0
CMake Warning at cmake/modules/HandleLLVMOptions.cmake:261 (message):
  -fPIC is not supported.
Call Stack (most recent call first):
  cmake/modules/HandleLLVMOptions.cmake:297 (add_flag_or_print_warning)
  CMakeLists.txt:698 (include)


-- Targeting AArch64
CMake Error at /Users/jcownie/llvm-project/openmp/CMakeLists.txt:93 (add_subdirectory):
  The binary directory

    /Users/jcownie/llvm-project/build_aarch64/ninja_build/projects/openmp/runtime

  is already used to build a source directory.  It cannot be used to build
  source directory

    /Users/jcownie/llvm-project/openmp/runtime

  Specify a unique binary directory name.


-- Registering Bye as a pass plugin (static build: OFF)
-- Failed to find LLVM FileCheck
-- Version: 0.0.0
-- Performing Test HAVE_THREAD_SAFETY_ATTRIBUTES -- failed to compile
-- Performing Test HAVE_GNU_POSIX_REGEX -- failed to compile
-- Performing Test HAVE_POSIX_REGEX -- success
-- Performing Test HAVE_STEADY_CLOCK -- success
-- Configuring incomplete, errors occurred!
See also "/Users/jcownie/llvm-project/build_aarch64/ninja_build/CMakeFiles/CMakeOutput.log".
See also "/Users/jcownie/llvm-project/build_aarch64/ninja_build/CMakeFiles/CMakeError.log".
$ 

This previously worked (with an older version of 12.0).

Suggestions, please...

-- Jim
James Cownie <jcownie at gmail.com>
Mob: +44 780 637 7146




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