Add Clang 13 and Clang 14 to CI (#47)

Author: andreasbuhr

.github/workflows/cmake.yml

@@ -79,6 +79,38 @@ jobs:
             exe_linker_flags: -lc++,
             cxxver: 20,
           }
+          - {
+            name: "Linux clang-13 C++17",
+            os: ubuntu-20.04,
+            cxx: "clang++-13",
+            cxx_flags: -stdlib=libc++,
+            exe_linker_flags: -lc++,
+            cxxver: 17,
+          }
+          - {
+            name: "Linux clang-13 C++20",
+            os: ubuntu-20.04,
+            cxx: "clang++-13",
+            cxx_flags: -stdlib=libc++,
+            exe_linker_flags: -lc++,
+            cxxver: 20,
+          }
+          - {
+            name: "Linux clang-14 C++17",
+            os: ubuntu-20.04,
+            cxx: "clang++-14",
+            cxx_flags: -stdlib=libc++,
+            exe_linker_flags: -lc++,
+            cxxver: 17,
+          }
+          - {
+            name: "Linux clang-14 C++20",
+            os: ubuntu-20.04,
+            cxx: "clang++-14",
+            cxx_flags: -stdlib=libc++,
+            exe_linker_flags: -lc++,
+            cxxver: 20,
+          }
           - {
             name: "Windows MSVC 2017 (x64) C++17",
             os: windows-2016,
@@ -144,6 +176,28 @@ jobs:
         sudo ./llvm.sh 12
         sudo apt-get install libc++-12-dev libc++abi-12-dev libunwind-12-dev
 
+    - name: Install Clang 13
+      id: install_clang_13
+      if: startsWith(matrix.config.os, 'ubuntu') && ( matrix.config.cxx == 'clang++-13' )
+      shell: bash
+      working-directory: ${{ env.HOME }}
+      run: |
+        wget https://apt.llvm.org/llvm.sh
+        chmod +x llvm.sh
+        sudo ./llvm.sh 13
+        sudo apt-get install libc++-13-dev libc++abi-13-dev libunwind-13-dev
+
+    - name: Install Clang 14
+      id: install_clang_14
+      if: startsWith(matrix.config.os, 'ubuntu') && ( matrix.config.cxx == 'clang++-14' )
+      shell: bash
+      working-directory: ${{ env.HOME }}
+      run: |
+        wget https://apt.llvm.org/llvm.sh
+        chmod +x llvm.sh
+        sudo ./llvm.sh 14
+        sudo apt-get install libc++-14-dev libc++abi-14-dev libunwind-14-dev
+
     - name: Install g++ 10
       id: install_gcc_10
       if: startsWith(matrix.config.os, 'ubuntu') && ( matrix.config.cxx == 'g++-10' )

include/cppcoro/config.hpp

@@ -156,7 +156,21 @@
     #ifdef __cpp_lib_coroutine
     #define CPPCORO_COROHEADER_FOUND_AND_USABLE
     #endif
-    #endif
+	#endif
+#elif CPPCORO_COMPILER_CLANG
+	# if __clang_major__ >= 14
+	    // clang 14 in c++-17 mode has a non-usable coroutine header
+		#if __has_include(<coroutine>)
+		#include <coroutine>
+		#ifdef __cpp_lib_coroutine
+		#define CPPCORO_COROHEADER_FOUND_AND_USABLE
+		#endif
+		#endif
+	# else
+		#if __has_include(<coroutine>)
+		#define CPPCORO_COROHEADER_FOUND_AND_USABLE
+		#endif
+	# endif
 #else
     #if __has_include(<coroutine>)
     #define CPPCORO_COROHEADER_FOUND_AND_USABLE

include/cppcoro/task.hpp

@@ -17,6 +17,7 @@
 #include <type_traits>
 #include <cstdint>
 #include <cassert>
+#include <new>
 
 #include <cppcoro/coroutine.hpp>