One last try for macos-14 LLVM

Author: stellar-aria

.github/workflows/test.yml

@@ -35,8 +35,10 @@ jobs:
         run: |
           brew install llvm@20
           brew link --force --overwrite llvm@20
-          echo "CC=$(brew --prefix llvm@20)/bin/clang" >> $GITHUB_ENV
-          echo "CXX=$(brew --prefix llvm@20)/bin/clang++" >> $GITHUB_ENV
+          LLVM_PREFIX=$(brew --prefix llvm@20)
+          echo "CC=$LLVM_PREFIX/bin/clang" >> $GITHUB_ENV
+          echo "CXX=$LLVM_PREFIX/bin/clang++" >> $GITHUB_ENV
+          echo "LDFLAGS=-L$LLVM_PREFIX/lib/c++ -Wl,-rpath,$LLVM_PREFIX/lib/c++" >> $GITHUB_ENV
         if: ${{ matrix.compiler == 'llvm-20' && (matrix.os == 'macos-14' || matrix.os == 'macos-15') }}
 
       - name: Install LLVM and Clang (Ubuntu)

CMakeLists.txt

@@ -44,10 +44,6 @@ if(NOT CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
   target_compile_options(c++spec INTERFACE -Wno-missing-template-arg-list-after-template-kw -Wno-dollar-in-identifier-extension)
 endif()
 
-if(APPLE)
-  target_compile_definitions(c++spec INTERFACE _LIBCPP_DISABLE_AVAILABILITY_ANNOTATIONS=1)
-endif()
-
 FILE(GLOB_RECURSE c++spec_headers ${CMAKE_CURRENT_LIST_DIR}/include/*.hpp)
 
 option(CPPSPEC_PRECOMPILE_HEADERS "Precompile the C++Spec headers")