def default_compiler()

in builder/core/toolchain.py [0:0]

• 36 lines of code
• 17 McCabe index (conditional complexity)

    def default_compiler(target=None, arch=None):
        """ Finds the system default compiler and returns (compiler, version) """
        if Toolchain._default_compiler and Toolchain._default_version:
            return Toolchain._default_compiler, Toolchain._default_version

        if target and arch and _is_cross_compile(target, arch):
            return 'gcc', '4.8'

        def _find_compiler():
            compiler = None
            version = None
            platform = current_os()
            if platform != 'windows':
                # resolve CC and /usr/bin/cc
                for env_cc in (util.where(os.environ.get('CC', None)), util.where('cc')):
                    if env_cc:
                        cc, ccver = _compiler_version(env_cc)
                        if cc and ccver:
                            return cc, ccver

                # Try to find clang or gcc
                clang_path, clang_version = Toolchain.find_llvm_tool(
                    'clang')
                gcc_path, gcc_version = Toolchain.find_gcc_tool('gcc')
                if clang_path:
                    compiler = 'clang'
                    version = clang_version
                elif gcc_path:
                    compiler = 'gcc'
                    version = gcc_version
                else:
                    print(
                        'Neither GCC or Clang could be found on this system, perhaps not installed yet?')

            else:
                compiler = 'msvc'
                version = Toolchain.find_msvc()[1]
            if not compiler or not version:
                print('WARNING: Default compiler could not be found')

            print('Default Compiler: {} {}'.format(compiler, version))
            return compiler, version

        Toolchain._default_compiler, Toolchain._default_version = _find_compiler()
        return Toolchain._default_compiler, Toolchain._default_version