@binaryfz @QunYeNB

目前编译mplfe时 clang/llvm的头文件用的是系统安装的版本```LLVMINC = "${CLANG_PATH}/include"```。这样不同的系统由于不同的clang/llvm版本就会有差异，不利于维护。事实上mplfe用clang 10的头文件是编译失败的。

鉴于我们已经放了clang和llvm的文件在 ThirdParty/ 我们可以用它们，不过里面的文件似乎不完整。下面的patch可以作为改造的开始。

```

diff --git a/build/config.gni b/build/config.gni

index f6ce5124..f46c7895 100644

--- a/build/config.gni

+++ b/build/config.gni

@@ -17,11 +17,10 @@

if (OLD_OS == "1") {

CLANG_PATH = "${MAPLE_ROOT}/tools/clang+llvm-8.0.0-x86_64-linux-gnu-ubuntu-16.04"

} else {

- CLANG_PATH = "/usr"

+ CLANG_PATH = "/usr/lib/llvm-10"

}

-LLVMINC = "${CLANG_PATH}/include"

LLVMLIBDIR = "${CLANG_PATH}/lib"

-CFE_SRC_DIR = "${MAPLE_ROOT}/../third-party/cfe-8.0.0.src"

+CFE_SRC_DIR = "${MAPLE_ROOT}/../ThirdParty/cfe-8.0.0.src"

CFE_SRC_PATH = "${MAPLE_ROOT}/../ThirdParty/cfe-8.0.0.src"

ANDROID_GCC_PATH = "${MAPLE_ROOT}/tools/gcc"

diff --git a/src/mplfe/BUILD.gn b/src/mplfe/BUILD.gn

index e5eb1899..39778047 100644

--- a/src/mplfe/BUILD.gn

+++ b/src/mplfe/BUILD.gn

@@ -40,7 +40,8 @@ include_directories = [

"${MAPLE_ROOT}/third_party/bounds_checking_function/include",

"${MPLFE_ROOT}/ast_input/include",

"${MPLFE_ROOT}/ast_input/lib",

- "${LLVMINC}",

+ "//../ThirdParty/cfe-8.0.0.src/include",

+ "//../ThirdParty/llvm-8.0.0.src/include",

"//../ThirdParty/cfe-8.0.0.src/tools",

]

diff --git a/tools/setup_tools.sh b/tools/setup_tools.sh

index 2583de33..2fc31b9d 100755

--- a/tools/setup_tools.sh

+++ b/tools/setup_tools.sh

@@ -174,10 +174,10 @@ if [ "$OLD_OS" == "1" ]; then

ln -s -f ${MAPLE_ROOT}/tools/clang+llvm-8.0.0-x86_64-linux-gnu-ubuntu-16.04/bin/llvm-ranlib ${TOOL_BIN_PATH}/llvm-ranlib

ln -s -f /usr/bin/qemu-aarch64 ${TOOL_BIN_PATH}/qemu-aarch64

else

- ln -s -f /usr/bin/clang++ ${TOOL_BIN_PATH}/clang++

- ln -s -f /usr/bin/clang ${TOOL_BIN_PATH}/clang

- ln -s -f /usr/bin/llvm-ar ${TOOL_BIN_PATH}/llvm-ar

- ln -s -f /usr/bin/llvm-ranlib ${TOOL_BIN_PATH}/llvm-ranlib

+ ln -s -f /usr/lib/llvm-10/bin/clang++ ${TOOL_BIN_PATH}/clang++

+ ln -s -f /usr/lib/llvm-10/bin/clang ${TOOL_BIN_PATH}/clang

+ ln -s -f /usr/lib/llvm-10/bin/llvm-ar ${TOOL_BIN_PATH}/llvm-ar

+ ln -s -f /usr/lib/llvm-10/bin/llvm-ranlib ${TOOL_BIN_PATH}/llvm-ranlib

ln -s -f ${MAPLE_ROOT}/tools/qemu/package/usr/bin/qemu-aarch64 ${TOOL_BIN_PATH}/qemu-aarch64

fi

ln -s -f ${MAPLE_ROOT}/tools/open64_prebuilt/x86/aarch64/bin/clangfe ${TOOL_BIN_PATH}/clangfe

```

@binaryfz @QunYeNB

目前编译mplfe时 clang/llvm的头文件用的是系统安装的版本```LLVMINC = "${CLANG_PATH}/include"```。这样不同的系统由于不同的clang/llvm版本就会有差异，不利于维护。事实上mplfe用clang 10的头文件是编译失败的。

鉴于我们已经放了clang和llvm的文件在 ThirdParty/ 我们可以用它们，不过里面的文件似乎不完整。下面的patch可以作为改造的开始。

链接用到的clang/llvm库也需要放到 ThirdParty/

```

diff --git a/build/config.gni b/build/config.gni

--- a/build/config.gni

+++ b/build/config.gni