Mac M1编译Python 3.7.3源码时遭遇平台三元组配置错误

问题背景 #

在Mac M1上通过源码编译Python 3.7.3，执行configure命令时遇到internal configure error for the platform triplet错误，即使显式指定CXX环境变量也无法解决。

具体报错及环境信息 #

初始配置命令及报错 #

执行：

./configure --enable-shared --with-openssl=/usr/local/opt/openssl/ --prefix=path_to_install

（已替换path_to_install为实际安装路径）
报错输出：

checking build system type... x86_64-apple-darwin21.6.0
checking host system type... x86_64-apple-darwin21.6.0
checking for python3.7... python3.7
checking for --enable-universalsdk... no
checking for --with-universal-archs... no
checking MACHDEP... checking for --without-gcc... no
checking for --with-icc... no
checking for gcc... gcc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables... 
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether gcc accepts -g... yes
checking for gcc option to accept ISO C89... none needed
checking how to run the C preprocessor... gcc -E
checking for grep that handles long lines and -e... /usr/bin/grep
checking for a sed that does not truncate output... /usr/bin/sed
checking for --with-cxx-main=<compiler>... no
checking for g++... no
configure:

  By default, distutils will build C++ extension modules with "g++".
  If this is not intended, then set CXX on the configure command line.
  
checking for the platform triplet based on compiler characteristics... darwin
configure: error: internal configure error for the platform triplet, please file a bug report

指定CXX后的报错 #

执行：

CXX=/Library/Developer/CommandLineTools/usr/bin/g++ ./configure --enable-shared --with-openssl=/usr/local/opt/openssl/ --prefix=/Users/fryderykkogl/python_for_imfusion

或

CXX=/usr/bin/g++ ./configure --enable-shared --with-openssl=/usr/local/opt/openssl/ --prefix=/Users/fryderykkogl/python_for_imfusion

仍报错：

checking build system type... arm-apple-darwin21.6.0
checking host system type... arm-apple-darwin21.6.0
checking for python3.7... python3.7
checking for --enable-universalsdk... no
checking for --with-universal-archs... no
checking MACHDEP... checking for --without-gcc... no
checking for --with-icc... no
checking for gcc... gcc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables... 
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether gcc accepts -g... yes
checking for gcc option to accept ISO C89... none needed
checking how to run the C preprocessor... gcc -E
checking for grep that handles long lines and -e... /usr/bin/grep
checking for a sed that does not truncate output... /usr/bin/sed
checking for --with-cxx-main=<compiler>... no
checking for the platform triplet based on compiler characteristics... darwin
configure: error: internal configure error for the platform triplet, please file a bug report

当前环境信息 #

g++ --version返回：

Apple clang version 14.0.0 (clang-1400.0.29.102)
Target: arm64-apple-darwin21.6.0
Thread model: posix
InstalledDir: /Library/Developer/CommandLineTools/usr/bin

which g++返回：

/usr/bin/g++

解决方法 #

Python 3.7.3发布时Apple Silicon（M1）尚未推出，因此原生不支持ARM架构编译，这是报错的核心原因。推荐以下两种可行方案：

1. 通过Rosetta 2以x86_64架构编译 #

• 切换终端到x86_64模式：

arch -x86_64 zsh

• 确保依赖（如openssl）以x86_64架构安装：

arch -x86_64 brew install openssl

• 重新执行configure命令：

./configure --enable-shared --with-openssl=/usr/local/opt/openssl/ --prefix=/Users/fryderykkogl/python_for_imfusion

• 完成编译安装：

make -j4
make install

2. 使用pyenv安装（更简便可靠） #

pyenv已适配M1架构，可直接安装指定版本：

• 安装pyenv：

brew install pyenv

• 安装Python 3.7.3：

pyenv install 3.7.3

• 设置全局或局部使用该版本：

pyenv global 3.7.3  # 全局生效
# 或
pyenv local 3.7.3   # 当前目录生效

3. 手动打补丁（不推荐） #

若坚持原生ARM编译，需寻找针对Python 3.7的Apple Silicon适配补丁修改源码，但过程复杂且易出现其他兼容性问题，仅适合有经验的开发者。

内容的提问来源于stack exchange，提问作者koegl