求助求助，技术比较弱，只会一键部署，但是现在出现问题了怎么办？
centos源已经切换清华源 pip源也已经切换清华源，但是安装aggdraw就报错，这个怎么解决？ 求助！
Downloading https://pypi.tuna.tsinghua.edu.cn/packages/f7/d2/e07d3ebb2bd7af696440ce7e754c59dd546ffe1bbe732c8ab68b9c834e61/cycler-0.10.0-py2.py3-none-any.whl
Installing collected packages: Pillow, pylibmc, captcha, MarkupSafe, jinja2, sqlalchemy, numpy, imageio, PyWavelets, decorator, networkx, scipy, pyparsing, kiwisolver, cycler, matplotlib, scikit-image, docopt, aggdraw, attrs, psd-tools, django-pylibmc, sqlparse, asgiref, Django, django-ranged-response, django-simple-captcha
Running setup.py install for docopt … done
Running setup.py install for aggdraw … error
Complete output from command /usr/bin/python3.6 -u -c “import setuptools, tokenize;file=‘/tmp/pip-build-kofc3u6g/aggdraw/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-ypfrn4dy-record/install-record.txt --single-version-externally-managed --compile:
Trying freetype-config to find freetype library…
Using ctypes to find freetype library…
Trying ‘pkgconfig’ to find freetype library…
=== freetype not available
running install
running build
running build_ext
building ‘aggdraw’ extension
creating build
creating build/temp.linux-x86_64-3.6
creating build/temp.linux-x86_64-3.6/agg2
creating build/temp.linux-x86_64-3.6/agg2/src
gcc -pthread -Wno-unused-result -Wsign-compare -DDYNAMIC_ANNOTATIONS_ENABLED=1 -DNDEBUG -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -D_GNU_SOURCE -fPIC -fwrapv -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -D_GNU_SOURCE -fPIC -fwrapv -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -D_GNU_SOURCE -fPIC -fwrapv -fPIC -DVERSION=1.3.12 -Iagg2/include -I/usr/include/python3.6m -c aggdraw.cxx -o build/temp.linux-x86_64-3.6/aggdraw.o
unable to execute ‘gcc’: No such file or directory
error: command ‘gcc’ failed with exit status 1
----------------------------------------
Command “/usr/bin/python3.6 -u -c “import setuptools, tokenize;file=‘/tmp/pip-build-kofc3u6g/aggdraw/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-ypfrn4dy-record/install-record.txt --single-version-externally-managed --compile” failed with error code 1 in /tmp/pip-build-kofc3u6g/aggdraw/
截图在这里
