gcc: error trying to exec ‘cc1plus‘: execvp: Permission denied

gcc: error trying to exec ‘cc1plus‘: execvp: Permission denied

contos7.5安装paddleocr时报错，错误如下

Building wheels for collected packages: fasttext
  Building wheel for fasttext (setup.py) ... error
  ERROR: Command errored out with exit status 1:
   command: /home/dev/anaconda3/envs/paddle_env/bin/python -u -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-tkoaqzy5/fasttext_d53e174e6dbb4906a211cf3a77279456/setup.py'"'"'; __file__='"'"'/tmp/pip-install-tkoaqzy5/fasttext_d53e174e6dbb4906a211cf3a77279456/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'rn'"'"', '"'"'n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' bdist_wheel -d /tmp/pip-wheel-tohk__am
       cwd: /tmp/pip-install-tkoaqzy5/fasttext_d53e174e6dbb4906a211cf3a77279456/
  Complete output (58 lines):
  /home/dev/anaconda3/envs/paddle_env/lib/python3.8/site-packages/setuptools/dist.py:717: UserWarning: Usage of dash-separated 'description-file' will not be supported in future versions. Please use the underscore name 'description_file' instead
    warnings.warn(
  running bdist_wheel
  running build
  running build_py
  creating build
  creating build/lib.linux-x86_64-3.8
  creating build/lib.linux-x86_64-3.8/fasttext
  copying python/fasttext_module/fasttext/__init__.py -> build/lib.linux-x86_64-3.8/fasttext
  copying python/fasttext_module/fasttext/FastText.py -> build/lib.linux-x86_64-3.8/fasttext
  creating build/lib.linux-x86_64-3.8/fasttext/util
  copying python/fasttext_module/fasttext/util/__init__.py -> build/lib.linux-x86_64-3.8/fasttext/util
  copying python/fasttext_module/fasttext/util/util.py -> build/lib.linux-x86_64-3.8/fasttext/util
  creating build/lib.linux-x86_64-3.8/fasttext/tests
  copying python/fasttext_module/fasttext/tests/test_configurations.py -> build/lib.linux-x86_64-3.8/fasttext/tests
  copying python/fasttext_module/fasttext/tests/test_script.py -> build/lib.linux-x86_64-3.8/fasttext/tests
  copying python/fasttext_module/fasttext/tests/__init__.py -> build/lib.linux-x86_64-3.8/fasttext/tests
  running build_ext
  creating tmp
  gcc -pthread -B /home/dev/anaconda3/envs/paddle_env/compiler_compat -Wl,--sysroot=/ -Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -I/home/dev/anaconda3/envs/paddle_env/include/python3.8 -c /tmp/tmphbckv0kp.cpp -o tmp/tmphbckv0kp.o -std=c++14
  gcc: error: unrecognized command line option ‘-std=c++14’
  gcc -pthread -B /home/dev/anaconda3/envs/paddle_env/compiler_compat -Wl,--sysroot=/ -Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -I/home/dev/anaconda3/envs/paddle_env/include/python3.8 -c /tmp/tmprmdjdcsh.cpp -o tmp/tmprmdjdcsh.o -std=c++11
  gcc: error trying to exec 'cc1plus': execvp: Permission denied
  gcc -pthread -B /home/dev/anaconda3/envs/paddle_env/compiler_compat -Wl,--sysroot=/ -Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -I/home/dev/anaconda3/envs/paddle_env/include/python3.8 -c /tmp/tmpso05g_jc.cpp -o tmp/tmpso05g_jc.o -std=c++0x
  gcc: error trying to exec 'cc1plus': execvp: Permission denied
  Traceback (most recent call last):
    File "", line 1, in 
    File "/tmp/pip-install-tkoaqzy5/fasttext_d53e174e6dbb4906a211cf3a77279456/setup.py", line 168, in 
      setup(
    File "/home/dev/anaconda3/envs/paddle_env/lib/python3.8/site-packages/setuptools/__init__.py", line 153, in setup
      return distutils.core.setup(**attrs)
    File "/home/dev/anaconda3/envs/paddle_env/lib/python3.8/distutils/core.py", line 148, in setup
      dist.run_commands()
    File "/home/dev/anaconda3/envs/paddle_env/lib/python3.8/distutils/dist.py", line 966, in run_commands
      self.run_command(cmd)
    File "/home/dev/anaconda3/envs/paddle_env/lib/python3.8/distutils/dist.py", line 985, in run_command
      cmd_obj.run()
    File "/home/dev/anaconda3/envs/paddle_env/lib/python3.8/site-packages/wheel/bdist_wheel.py", line 299, in run
      self.run_command('build')
    File "/home/dev/anaconda3/envs/paddle_env/lib/python3.8/distutils/cmd.py", line 313, in run_command
      self.distribution.run_command(command)
    File "/home/dev/anaconda3/envs/paddle_env/lib/python3.8/distutils/dist.py", line 985, in run_command
      cmd_obj.run()
    File "/home/dev/anaconda3/envs/paddle_env/lib/python3.8/distutils/command/build.py", line 135, in run
      self.run_command(cmd_name)
    File "/home/dev/anaconda3/envs/paddle_env/lib/python3.8/distutils/cmd.py", line 313, in run_command
      self.distribution.run_command(command)
    File "/home/dev/anaconda3/envs/paddle_env/lib/python3.8/distutils/dist.py", line 985, in run_command
      cmd_obj.run()
    File "/home/dev/anaconda3/envs/paddle_env/lib/python3.8/site-packages/setuptools/command/build_ext.py", line 79, in run
      _build_ext.run(self)
    File "/home/dev/anaconda3/envs/paddle_env/lib/python3.8/distutils/command/build_ext.py", line 340, in run
      self.build_extensions()
    File "/tmp/pip-install-tkoaqzy5/fasttext_d53e174e6dbb4906a211cf3a77279456/setup.py", line 146, in build_extensions
      opts.append(cpp_flag(self.compiler))
    File "/tmp/pip-install-tkoaqzy5/fasttext_d53e174e6dbb4906a211cf3a77279456/setup.py", line 108, in cpp_flag
      raise RuntimeError(
  RuntimeError: Unsupported compiler -- at least C++0x support is needed!
  ----------------------------------------
  ERROR: Failed building wheel for fasttext
  Running setup.py clean for fasttext
Failed to build fasttext
Installing collected packages: fasttext, cython, paddleocr
    Running setup.py install for fasttext ... error
    ERROR: Command errored out with exit status 1:
     command: /home/dev/anaconda3/envs/paddle_env/bin/python -u -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-tkoaqzy5/fasttext_d53e174e6dbb4906a211cf3a77279456/setup.py'"'"'; __file__='"'"'/tmp/pip-install-tkoaqzy5/fasttext_d53e174e6dbb4906a211cf3a77279456/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'rn'"'"', '"'"'n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /tmp/pip-record-ypftrjnj/install-record.txt --single-version-externally-managed --compile --install-headers /home/dev/anaconda3/envs/paddle_env/include/python3.8/fasttext
         cwd: /tmp/pip-install-tkoaqzy5/fasttext_d53e174e6dbb4906a211cf3a77279456/
    Complete output (59 lines):
    /home/dev/anaconda3/envs/paddle_env/lib/python3.8/site-packages/setuptools/dist.py:717: UserWarning: Usage of dash-separated 'description-file' will not be supported in future versions. Please use the underscore name 'description_file' instead
      warnings.warn(
    running install
    running build
    running build_py
    creating build
    creating build/lib.linux-x86_64-3.8
    creating build/lib.linux-x86_64-3.8/fasttext
    copying python/fasttext_module/fasttext/__init__.py -> build/lib.linux-x86_64-3.8/fasttext
    copying python/fasttext_module/fasttext/FastText.py -> build/lib.linux-x86_64-3.8/fasttext
    creating build/lib.linux-x86_64-3.8/fasttext/util
    copying python/fasttext_module/fasttext/util/__init__.py -> build/lib.linux-x86_64-3.8/fasttext/util
    copying python/fasttext_module/fasttext/util/util.py -> build/lib.linux-x86_64-3.8/fasttext/util
    creating build/lib.linux-x86_64-3.8/fasttext/tests
    copying python/fasttext_module/fasttext/tests/test_configurations.py -> build/lib.linux-x86_64-3.8/fasttext/tests
    copying python/fasttext_module/fasttext/tests/test_script.py -> build/lib.linux-x86_64-3.8/fasttext/tests
    copying python/fasttext_module/fasttext/tests/__init__.py -> build/lib.linux-x86_64-3.8/fasttext/tests
    running build_ext
    gcc -pthread -B /home/dev/anaconda3/envs/paddle_env/compiler_compat -Wl,--sysroot=/ -Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -I/home/dev/anaconda3/envs/paddle_env/include/python3.8 -c /tmp/tmprv7t4rph.cpp -o tmp/tmprv7t4rph.o -std=c++14
    gcc: error: unrecognized command line option ‘-std=c++14’
    gcc -pthread -B /home/dev/anaconda3/envs/paddle_env/compiler_compat -Wl,--sysroot=/ -Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -I/home/dev/anaconda3/envs/paddle_env/include/python3.8 -c /tmp/tmpgsviuyke.cpp -o tmp/tmpgsviuyke.o -std=c++11
    gcc: error trying to exec 'cc1plus': execvp: Permission denied
    gcc -pthread -B /home/dev/anaconda3/envs/paddle_env/compiler_compat -Wl,--sysroot=/ -Wsign-compare -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -I/home/dev/anaconda3/envs/paddle_env/include/python3.8 -c /tmp/tmpmazeuiv8.cpp -o tmp/tmpmazeuiv8.o -std=c++0x
    gcc: error trying to exec 'cc1plus': execvp: Permission denied
    Traceback (most recent call last):
      File "", line 1, in 
      File "/tmp/pip-install-tkoaqzy5/fasttext_d53e174e6dbb4906a211cf3a77279456/setup.py", line 168, in 
        setup(
      File "/home/dev/anaconda3/envs/paddle_env/lib/python3.8/site-packages/setuptools/__init__.py", line 153, in setup
        return distutils.core.setup(**attrs)
      File "/home/dev/anaconda3/envs/paddle_env/lib/python3.8/distutils/core.py", line 148, in setup
        dist.run_commands()
      File "/home/dev/anaconda3/envs/paddle_env/lib/python3.8/distutils/dist.py", line 966, in run_commands
        self.run_command(cmd)
      File "/home/dev/anaconda3/envs/paddle_env/lib/python3.8/distutils/dist.py", line 985, in run_command
        cmd_obj.run()
      File "/home/dev/anaconda3/envs/paddle_env/lib/python3.8/site-packages/setuptools/command/install.py", line 61, in run
        return orig.install.run(self)
      File "/home/dev/anaconda3/envs/paddle_env/lib/python3.8/distutils/command/install.py", line 545, in run
        self.run_command('build')
      File "/home/dev/anaconda3/envs/paddle_env/lib/python3.8/distutils/cmd.py", line 313, in run_command
        self.distribution.run_command(command)
      File "/home/dev/anaconda3/envs/paddle_env/lib/python3.8/distutils/dist.py", line 985, in run_command
        cmd_obj.run()
      File "/home/dev/anaconda3/envs/paddle_env/lib/python3.8/distutils/command/build.py", line 135, in run
        self.run_command(cmd_name)
      File "/home/dev/anaconda3/envs/paddle_env/lib/python3.8/distutils/cmd.py", line 313, in run_command
        self.distribution.run_command(command)
      File "/home/dev/anaconda3/envs/paddle_env/lib/python3.8/distutils/dist.py", line 985, in run_command
        cmd_obj.run()
      File "/home/dev/anaconda3/envs/paddle_env/lib/python3.8/site-packages/setuptools/command/build_ext.py", line 79, in run
        _build_ext.run(self)
      File "/home/dev/anaconda3/envs/paddle_env/lib/python3.8/distutils/command/build_ext.py", line 340, in run
        self.build_extensions()
      File "/tmp/pip-install-tkoaqzy5/fasttext_d53e174e6dbb4906a211cf3a77279456/setup.py", line 146, in build_extensions
        opts.append(cpp_flag(self.compiler))
      File "/tmp/pip-install-tkoaqzy5/fasttext_d53e174e6dbb4906a211cf3a77279456/setup.py", line 108, in cpp_flag
        raise RuntimeError(
    RuntimeError: Unsupported compiler -- at least C++0x support is needed!
    ----------------------------------------
ERROR: Command errored out with exit status 1: /home/dev/anaconda3/envs/paddle_env/bin/python -u -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-tkoaqzy5/fasttext_d53e174e6dbb4906a211cf3a77279456/setup.py'"'"'; __file__='"'"'/tmp/pip-install-tkoaqzy5/fasttext_d53e174e6dbb4906a211cf3a77279456/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'rn'"'"', '"'"'n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /tmp/pip-record-ypftrjnj/install-record.txt --single-version-externally-managed --compile --install-headers /home/dev/anaconda3/envs/paddle_env/include/python3.8/fasttext Check the logs for full command output.
(paddle_env) [dev@ecs-6dfb-0006 ~]$ 

安装fasttext时，gcc: error trying to exec 'cc1plus': execvp: Permission denied，按以下命令查看相关包版本，错误原因是由于g++没有安装，安装：sudo yum install gcc-c++，安装后问他解决

 gcc --version
gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-44)
Copyright (C) 2015 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

(paddle_env) [dev@ecs-6dfb-0006 ~]$ lsb_release -a
LSB Version:    :core-4.1-amd64:core-4.1-noarch
Distributor ID: CentOS
Description:    CentOS Linux release 7.6.1810 (Core) 
Release:        7.6.1810
Codename:       Core
(paddle_env) [dev@ecs-6dfb-0006 ~]$ 
(paddle_env) [dev@ecs-6dfb-0006 ~]$ g++ --version
-bash: g++: command not found

 sudo yum install gcc-c++
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
 * base: mirrors.ustc.edu.cn
 * epel: mirror.sjtu.edu.cn
 * extras: mirrors.dgut.edu.cn
 * updates: mirrors.dgut.edu.cn
Resolving Dependencies
--> Running transaction check
---> Package gcc-c++.x86_64 0:4.8.5-44.el7 will be installed
--> Processing Dependency: libstdc++-devel = 4.8.5-44.el7 for package: gcc-c++-4.8.5-44.el7.x86_64
--> Processing Dependency: libstdc++ = 4.8.5-44.el7 for package: gcc-c++-4.8.5-44.el7.x86_64
--> Running transaction check
---> Package libstdc++.x86_64 0:4.8.5-39.el7 will be updated
---> Package libstdc++.x86_64 0:4.8.5-44.el7 will be an update
---> Package libstdc++-devel.x86_64 0:4.8.5-44.el7 will be installed
--> Finished Dependency Resolution

Dependencies Resolved