代码拉取完成，页面将自动刷新
CC ui/hist.o
CC ui/stdio/hist.o
GEN python/perf.so
CC arch/arm64/util/sym-handling.o
CC builtin-annotate.o
cc1: error: unrecognized command line option '-m64'
cc1: error: unrecognized command line option '-m64'
cc1: error: unrecognized command line option '-Wno-cast-function-type' [-Werror]
cc1: all warnings being treated as errors
error: command 'aarch64-linux-gnu-gcc' failed with exit status 1
cp: cannot stat 'python_ext_build/lib/perf*.so': No such file or directory
make[2]: *** [Makefile.perf:480: python/perf.so] Error 1
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什么环境，什么编译器，什么命令编译的？
我使用下面命令编译 kernel-4.19, openEuler-1.0-LTS, openEuler-20.09 均没有上述问题。
该 issue 暂时挂起，如果仍有问题，可以再继续跟帖。
make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- tools/perf
Jackie Liu
成员
这个一看就是交叉编译使用的 gcc 版本过低
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