Build MetaCall with C support for macOS

.github/workflows/macos-test.yml

@@ -49,14 +49,14 @@ jobs:
       - name: Set up the environment
         run: sh ./tools/metacall-environment.sh $METACALL_INSTALL_OPTIONS
         env:
-          METACALL_INSTALL_OPTIONS: base python nodejs typescript java ruby wasm rpc file cobol #netcore5 c rust rapidjson funchook swig pack # clangformat v8rep51 coverage
+          METACALL_INSTALL_OPTIONS: base python nodejs typescript java ruby wasm rpc file cobol c #netcore5 rust rapidjson funchook swig pack # clangformat v8rep51 coverage
 
       - name: Configure
         run: |
           cd build
           bash ../tools/metacall-configure.sh $METACALL_CONFIGURE_OPTIONS
         env:
-          METACALL_CONFIGURE_OPTIONS: ${{ matrix.buildtype }} scripts ports tests sanitizer python nodejs typescript java ruby wasm rpc file cobol # netcore5 c rust examples install pack benchmarks # v8 coverage
+          METACALL_CONFIGURE_OPTIONS: ${{ matrix.buildtype }} scripts ports tests sanitizer python nodejs typescript java ruby wasm rpc file cobol c # netcore5 rust examples install pack benchmarks # v8 coverage
 
       - name: Build
         working-directory: ./build

cmake/InstallLibTCC.cmake

@@ -40,7 +40,7 @@ else()
 endif()
 
 # Configure
-if(PROJECT_OS_FAMILY STREQUAL unix)
+if(PROJECT_OS_FAMILY STREQUAL unix OR PROJECT_OS_FAMILY STREQUAL macos)
 	if(OPTION_BUILD_MUSL)
 		set(LIBTCC_CONFIGURE ./configure --prefix=${LIBTCC_INSTALL_PREFIX} ${LIBTCC_DEBUG} --disable-static --config-musl)
 	else()
@@ -62,7 +62,7 @@ ProcessorCount(N)
 # Build
 if(PROJECT_OS_BSD)
 	set(LIBTCC_BUILD gmake -j${N})
-elseif(PROJECT_OS_FAMILY STREQUAL unix)
+elseif(PROJECT_OS_FAMILY STREQUAL unix OR PROJECT_OS_FAMILY STREQUAL macos)
 	set(LIBTCC_BUILD make -j${N})
 elseif(PROJECT_OS_FAMILY STREQUAL win32)
 	if(PROJECT_OS_NAME STREQUAL MinGW)

tools/metacall-environment.sh

@@ -625,6 +625,17 @@ sub_c(){
 			$SUDO_CMD apk add --no-cache --repository=https://dl-cdn.alpinelinux.org/alpine/edge/testing tcc
 			$SUDO_CMD apk add --no-cache --repository=https://dl-cdn.alpinelinux.org/alpine/v3.14/main clang-libs=11.1.0-r1 clang-dev=11.1.0-r1
 		fi
+	elif [ "${OPERATIVE_SYSTEM}" = "Darwin" ]; then
+		brew install libffi
+		brew install llvm@11 
+		brew link llvm@11 --force --overwrite
+		mkdir -p build
+		CMAKE_CONFIG_PATH="$ROOT_DIR/build/CMakeConfig.txt"
+		TCC_PREFIX=$(brew --prefix tcc)
+		LIBC_PREFIX=$(brew --prefix llvm@11)
+		echo "-DLibClang_INCLUDE_DIR=${LIBC_PREFIX}/include/clang-c" >> $CMAKE_CONFIG_PATH
+		echo "-DLibClang_LIBRARY=${LIBC_PREFIX}/lib/libclang.dylib" >> $CMAKE_CONFIG_PATH
+
 	fi
 }