try to compile macos with clang

Author: umbynos

.github/workflows/release.yml

@@ -33,7 +33,7 @@ jobs:
             extension: .exe
     env:
       COMMON_CMAKE_ARGS: '-DBUILD_SHARED_LIBS=OFF -DLLVM_ENABLE_PROJECTS="clang;clang-tools-extra"'
-      POSIX_CMAKE_ARGS: '-DCMAKE_BUILD_TYPE=MinSizeRel -DCMAKE_CXX_COMPILER=g++-10 -DCMAKE_C_COMPILER=gcc-10'
+      POSIX_CMAKE_ARGS: '-DCMAKE_BUILD_TYPE=MinSizeRel -DCMAKE_CXX_COMPILER=clang++ -DCMAKE_C_COMPILER=clang'
       RELEASE: 'llvm-project-12.0.0.src'
     defaults:
       run: