From f34bf39e2dbde6a52596a3f47cf9c83b2d57205d Mon Sep 17 00:00:00 2001
From: Noah <37805707+Curve@users.noreply.github.com>
Date: Sat, 2 Nov 2024 12:20:28 +0100
Subject: [PATCH] refactor(actions/setup): use upstream omp

---
 .github/actions/setup/action.yml |  2 +-
 .github/homebrew/libomp.rb       | 83 --------------------------------
 2 files changed, 1 insertion(+), 84 deletions(-)
 delete mode 100644 .github/homebrew/libomp.rb

diff --git a/.github/actions/setup/action.yml b/.github/actions/setup/action.yml
index bd4ad42d..b6fb77d8 100644
--- a/.github/actions/setup/action.yml
+++ b/.github/actions/setup/action.yml
@@ -22,5 +22,5 @@ runs:
       shell: bash
       if: ${{ inputs.os == 'macos-latest' }}
       run: |
-        brew reinstall --build-from-source --formula ./.github/homebrew/libomp.rb
+        brew reinstall --build-from-source libomp
         echo "OpenMP_ROOT=$(brew --prefix)/opt/libomp" >> $GITHUB_ENV
diff --git a/.github/homebrew/libomp.rb b/.github/homebrew/libomp.rb
deleted file mode 100644
index 3b63dbee..00000000
--- a/.github/homebrew/libomp.rb
+++ /dev/null
@@ -1,83 +0,0 @@
-# SPDX-License-Identifier: BSD-2-Clause
-
-class Libomp < Formula
-    desc "LLVM's OpenMP runtime library"
-    homepage "https://openmp.llvm.org/"
-    url "https://github.com/llvm/llvm-project/releases/download/llvmorg-15.0.7/openmp-15.0.7.src.tar.xz"
-    sha256 "3f168d38e7a37b928dcb94b33ce947f75d81eef6fa6a4f9d16b6dc5511c07358"
-    license "MIT"
-  
-    livecheck do
-      url :stable
-      regex(/^llvmorg[._-]v?(\d+(?:\.\d+)+)$/i)
-    end
-  
-    bottle do
-      sha256 cellar: :any,                 arm64_ventura:  "8c5c7b912a075e598fb7ae10f2999853343b2662061d92040b1a584cbb3ba7d2"
-      sha256 cellar: :any,                 arm64_monterey: "1b1aad07e8677744cdaa264419fade98bd1a852894c77d01985053a96b7d1c7d"
-      sha256 cellar: :any,                 arm64_big_sur:  "00e04fbe9783ad7751eaa6d2edda92dfbff85131777255a74e364f3217a7a2df"
-      sha256 cellar: :any,                 ventura:        "762c461db6af3cf78983b1eb58aee62699652b96237abf79469c8ac034b2156b"
-      sha256 cellar: :any,                 monterey:       "0b944a6bbe8955e7900882b94f1b0b09030d5791191dc5b0c8b3d5d0895f4b12"
-      sha256 cellar: :any,                 big_sur:        "f92e5b31f86c22c0fe875b50e050c19a89993b36106a9ad2737230ae2cb68069"
-      sha256 cellar: :any_skip_relocation, x86_64_linux:   "d2a16a906c029e8405a11924837417ad1008d41bb1877399f494cb872a179f01"
-    end
-  
-    # Ref: https://github.com/Homebrew/homebrew-core/issues/112107
-    keg_only "it can override GCC headers and result in broken builds"
-  
-    depends_on "cmake" => :build
-    depends_on "lit" => :build
-    uses_from_macos "llvm" => :build
-  
-    resource "cmake" do
-      url "https://github.com/llvm/llvm-project/releases/download/llvmorg-15.0.7/cmake-15.0.7.src.tar.xz"
-      sha256 "8986f29b634fdaa9862eedda78513969fe9788301c9f2d938f4c10a3e7a3e7ea"
-    end
-  
-    def install
-      (buildpath/"src").install buildpath.children
-      (buildpath/"cmake").install resource("cmake")
-  
-      # Disable LIBOMP_INSTALL_ALIASES, otherwise the library is installed as
-      # libgomp alias which can conflict with GCC's libgomp.
-      args = ["-DLIBOMP_INSTALL_ALIASES=OFF"]
-      args << "-DOPENMP_ENABLE_LIBOMPTARGET=OFF" if OS.linux?
-  
-      # Build universal binary
-      ENV.permit_arch_flags
-      ENV.runtime_cpu_detection
-      args << "-DCMAKE_OSX_ARCHITECTURES=arm64;x86_64"
-  
-      system "cmake", "-S", "src", "-B", "build/shared", *std_cmake_args, *args
-      system "cmake", "--build", "build/shared"
-      system "cmake", "--install", "build/shared"
-  
-      system "cmake", "-S", "src", "-B", "build/static",
-                      "-DLIBOMP_ENABLE_SHARED=OFF",
-                      *std_cmake_args, *args
-      system "cmake", "--build", "build/static"
-      system "cmake", "--install", "build/static"
-    end
-  
-    test do
-      (testpath/"test.cpp").write <<~EOS
-        #include <omp.h>
-        #include <array>
-        int main (int argc, char** argv) {
-          std::array<size_t,2> arr = {0,0};
-          #pragma omp parallel num_threads(2)
-          {
-              size_t tid = omp_get_thread_num();
-              arr.at(tid) = tid + 1;
-          }
-          if(arr.at(0) == 1 && arr.at(1) == 2)
-              return 0;
-          else
-              return 1;
-        }
-      EOS
-      system ENV.cxx, "-Werror", "-Xpreprocessor", "-fopenmp", "test.cpp", "-std=c++11",
-                      "-I#{include}", "-L#{lib}", "-lomp", "-o", "test"
-      system "./test"
-    end
-  end