debian11安装seafile9报错

    ERROR: Command errored out with exit status 1:
     command: /usr/bin/python3 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-lshn24ys/pylibmc_bdef9466cb1245118646a6459343d77d/setup.py'"'"'; __file__='"'"'/tmp/pip-install-lshn24ys/pylibmc_bdef9466cb1245118646a6459343d77d/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /tmp/pip-record-if_jef5a/install-record.txt --single-version-externally-managed --compile --install-headers /usr/local/include/python3.9/pylibmc
         cwd: /tmp/pip-install-lshn24ys/pylibmc_bdef9466cb1245118646a6459343d77d/
    Complete output (28 lines):
    /tmp/pip-install-lshn24ys/pylibmc_bdef9466cb1245118646a6459343d77d/setup.py:98: DeprecationWarning: 'U' mode is deprecated
      with open("README.rst", "U", encoding="utf-8") as r:
    /tmp/pip-install-lshn24ys/pylibmc_bdef9466cb1245118646a6459343d77d/setup.py:100: DeprecationWarning: 'U' mode is deprecated
      with open("src/pylibmc-version.h", "U", encoding="utf-8") as r:
    running install
    running build
    running build_py
    creating build
    creating build/lib.linux-x86_64-3.9
    creating build/lib.linux-x86_64-3.9/pylibmc
    copying src/pylibmc/pools.py -> build/lib.linux-x86_64-3.9/pylibmc
    copying src/pylibmc/client.py -> build/lib.linux-x86_64-3.9/pylibmc
    copying src/pylibmc/__init__.py -> build/lib.linux-x86_64-3.9/pylibmc
    copying src/pylibmc/__main__.py -> build/lib.linux-x86_64-3.9/pylibmc
    copying src/pylibmc/autoconf.py -> build/lib.linux-x86_64-3.9/pylibmc
    copying src/pylibmc/consts.py -> build/lib.linux-x86_64-3.9/pylibmc
    copying src/pylibmc/test.py -> build/lib.linux-x86_64-3.9/pylibmc
    running build_ext
    building '_pylibmc' extension
    creating build/temp.linux-x86_64-3.9
    creating build/temp.linux-x86_64-3.9/src
    x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -ffile-prefix-map=/build/python3.9-RNBry6/python3.9-3.9.2=. -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -ffile-prefix-map=/build/python3.9-RNBry6/python3.9-3.9.2=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -DUSE_ZLIB -I/usr/include/python3.9 -c src/_pylibmcmodule.c -o build/temp.linux-x86_64-3.9/src/_pylibmcmodule.o -fno-strict-aliasing -std=c99
    In file included from src/_pylibmcmodule.c:34:
    src/_pylibmcmodule.h:42:10: fatal error: libmemcached/memcached.h: 没有那个文件或目录
       42 | #include <libmemcached/memcached.h>
          |          ^~~~~~~~~~~~~~~~~~~~~~~~~~
    compilation terminated.
    error: command '/usr/bin/x86_64-linux-gnu-gcc' failed with exit code 1
    ----------------------------------------
ERROR: Command errored out with exit status 1: /usr/bin/python3 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-lshn24ys/pylibmc_bdef9466cb1245118646a6459343d77d/setup.py'"'"'; __file__='"'"'/tmp/pip-install-lshn24ys/pylibmc_bdef9466cb1245118646a6459343d77d/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /tmp/pip-record-if_jef5a/install-record.txt --single-version-externally-managed --compile --install-headers /usr/local/include/python3.9/pylibmc Check the logs for full command output.

apt-get install libmemcached-dev -y