CI fix.

Author: wermos

.github/workflows/macos.yml

@@ -123,6 +123,22 @@ jobs:
 
         message(STATUS "Using host CMake version: ${CMAKE_VERSION}")
 
+        set(ninja_suffix "mac.zip")
+        set(cmake_suffix "Darwin-x86_64.tar.gz")
+        set(cmake_dir "cmake-${cmake_version}-Darwin-x86_64/CMake.app/Contents/bin")
+
+        set(cmake_url "https://github.com/Kitware/CMake/releases/download/v${cmake_version}/cmake-${cmake_version}-${cmake_suffix}")
+        file(DOWNLOAD "${cmake_url}" ./cmake.zip SHOW_PROGRESS)
+        execute_process(COMMAND ${CMAKE_COMMAND} -E tar xvf ./cmake.zip)
+
+        # Save the path for other steps
+        file(TO_CMAKE_PATH "$ENV{GITHUB_WORKSPACE}/${cmake_dir}" cmake_dir)
+        message("::set-output name=cmake_dir::${cmake_dir}")
+
+        execute_process(
+        COMMAND chmod +x ${cmake_dir}/cmake
+        )
+
         # Save the path for other steps
         file(TO_CMAKE_PATH "$ENV{GITHUB_WORKSPACE}/${cmake_dir}" cmake_dir)
         message("::set-output name=cmake_dir::${cmake_dir}")