pip安装的时候，涉及到安装matplotlib，freetype2.6.1 编译不过去，报如下错误：

[cwinux]

libtool: compile: clang -pedantic -ansi -I/private/var/folders/hc/2mc08y957_jf28cqm2snqbfh0000gn/T/pip-install-7jph2yof/matplotlib_beee47aea2e14a979c15689fe3c74c7b/build/freetype-2.6.1/objs -I./builds/unix -I/private/var/folders/hc/2mc08y957_jf28cqm2snqbfh0000gn/T/pip-install-7jph2yof/matplotlib_beee47aea2e14a979c15689fe3c74c7b/build/freetype-2.6.1/include -fvisibility=hidden -flto -c -Wall -fno-strict-overflow -Wsign-compare -Wunreachable-code -DNDEBUG -O2 -Wall -fPIC -O2 -isystem /opt/anaconda3/envs/paddle/include -arch arm64 -fPIC -O2 -isystem /opt/anaconda3/envs/paddle/include -arch arm64 -fPIC -DDARWIN_NO_CARBON "-DFT_CONFIG_CONFIG_H=<ftconfig.h>" -DFT2_BUILD_LIBRARY "-DFT_CONFIG_MODULES_H=<ftmodule.h>" /private/var/folders/hc/2mc08y957_jf28cqm2snqbfh0000gn/T/pip-install-7jph2yof/matplotlib_beee47aea2e14a979c15689fe3c74c7b/build/freetype-2.6.1/src/gzip/ftgzip.c -o /private/var/folders/hc/2mc08y957_jf28cqm2snqbfh0000gn/T/pip-install-7jph2yof/matplotlib_beee47aea2e14a979c15689fe3c74c7b/build/freetype-2.6.1/objs/ftgzip.o
In file included from /private/var/folders/hc/2mc08y957_jf28cqm2snqbfh0000gn/T/pip-install-7jph2yof/matplotlib_beee47aea2e14a979c15689fe3c74c7b/build/freetype-2.6.1/src/gzip/ftgzip.c:65:
In file included from /private/var/folders/hc/2mc08y957_jf28cqm2snqbfh0000gn/T/pip-install-7jph2yof/matplotlib_beee47aea2e14a979c15689fe3c74c7b/build/freetype-2.6.1/src/gzip/zlib.h:34:
/private/var/folders/hc/2mc08y957_jf28cqm2snqbfh0000gn/T/pip-install-7jph2yof/matplotlib_beee47aea2e14a979c15689fe3c74c7b/build/freetype-2.6.1/src/gzip/zconf.h:228:12: error: unknown type name 'Byte'
228 | typedef Byte FAR Bytef;
| ^
In file included from /private/var/folders/hc/2mc08y957_jf28cqm2snqbfh0000gn/T/pip-install-7jph2yof/matplotlib_beee47aea2e14a979c15689fe3c74c7b/build/freetype-2.6.1/src/gzip/ftgzip.c:83:
/private/var/folders/hc/2mc08y957_jf28cqm2snqbfh0000gn/T/pip-install-7jph2yof/matplotlib_beee47aea2e14a979c15689fe3c74c7b/build/freetype-2.6.1/src/gzip/inftrees.h:22:7: error: unknown type name 'Byte'
22 | Byte Exop; /* number of extra bits or operation /
| ^
/private/var/folders/hc/2mc08y957_jf28cqm2snqbfh0000gn/T/pip-install-7jph2yof/matplotlib_beee47aea2e14a979c15689fe3c74c7b/build/freetype-2.6.1/src/gzip/inftrees.h:23:7: error: unknown type name 'Byte'
23 | Byte Bits; / number of bits in this code or subcode /
| ^
In file included from /private/var/folders/hc/2mc08y957_jf28cqm2snqbfh0000gn/T/pip-install-7jph2yof/matplotlib_beee47aea2e14a979c15689fe3c74c7b/build/freetype-2.6.1/src/gzip/ftgzip.c:91:
/private/var/folders/hc/2mc08y957_jf28cqm2snqbfh0000gn/T/pip-install-7jph2yof/matplotlib_beee47aea2e14a979c15689fe3c74c7b/build/freetype-2.6.1/src/gzip/inftrees.c:247:21: error: use of undeclared identifier 'Byte'
247 | r.bits = (Byte)l; / bits to dump before this table /
| ^
/private/var/folders/hc/2mc08y957_jf28cqm2snqbfh0000gn/T/pip-install-7jph2yof/matplotlib_beee47aea2e14a979c15689fe3c74c7b/build/freetype-2.6.1/src/gzip/inftrees.c:248:21: error: use of undeclared identifier 'Byte'
248 | r.exop = (Byte)j; / bits in this table */
| ^
/private/var/folders/hc/2mc08y957_jf28cqm2snqbfh0000gn/T/pip-install-7jph2yof/matplotlib_beee47aea2e14a979c15689fe3c74c7b/build/freetype-2.6.1/src/gzip/inftrees.c:258:17: error: use of undeclared identifier 'Byte'
258 | r.bits = (Byte)(k - w);
| ^
/private/var/folders/hc/2mc08y957_jf28cqm2snqbfh0000gn/T/pip-install-7jph2yof/matplotlib_beee47aea2e14a979c15689fe3c74c7b/build/freetype-2.6.1/src/gzip/inftrees.c:263:19: error: use of undeclared identifier 'Byte'
263 | r.exop = (Byte)(p < 256 ? 0 : 32 + 64); / 256 is end-of-block */
| ^
/private/var/folders/hc/2mc08y957_jf28cqm2snqbfh0000gn/T/pip-install-7jph2yof/matplotlib_beee47aea2e14a979c15689fe3c74c7b/build/freetype-2.6.1/src/gzip/inftrees.c:268:19: error: use of undeclared identifier 'Byte'
268 | r.exop = (Byte)(e[p - s] + 16 + 64);/ non-simple--look up in lists /
| ^
In file included from /private/var/folders/hc/2mc08y957_jf28cqm2snqbfh0000gn/T/pip-install-7jph2yof/matplotlib_beee47aea2e14a979c15689fe3c74c7b/build/freetype-2.6.1/src/gzip/ftgzip.c:93:
/private/var/folders/hc/2mc08y957_jf28cqm2snqbfh0000gn/T/pip-install-7jph2yof/matplotlib_beee47aea2e14a979c15689fe3c74c7b/build/freetype-2.6.1/src/gzip/infcodes.c:50:3: error: unknown type name 'Byte'
50 | Byte lbits; / ltree bits decoded per branch /
| ^
/private/var/folders/hc/2mc08y957_jf28cqm2snqbfh0000gn/T/pip-install-7jph2yof/matplotlib_beee47aea2e14a979c15689fe3c74c7b/build/freetype-2.6.1/src/gzip/infcodes.c:51:3: error: unknown type name 'Byte'
51 | Byte dbits; / dtree bits decoder per branch */
| ^
/private/var/folders/hc/2mc08y957_jf28cqm2snqbfh0000gn/T/pip-install-7jph2yof/matplotlib_beee47aea2e14a979c15689fe3c74c7b/build/freetype-2.6.1/src/gzip/infcodes.c:70:17: error: use of undeclared identifier 'Byte'
70 | c->lbits = (Byte)bl;
| ^
/private/var/folders/hc/2mc08y957_jf28cqm2snqbfh0000gn/T/pip-install-7jph2yof/matplotlib_beee47aea2e14a979c15689fe3c74c7b/build/freetype-2.6.1/src/gzip/infcodes.c:71:17: error: use of undeclared identifier 'Byte'
71 | c->dbits = (Byte)bd;
| ^
/private/var/folders/hc/2mc08y957_jf28cqm2snqbfh0000gn/T/pip-install-7jph2yof/matplotlib_beee47aea2e14a979c15689fe3c74c7b/build/freetype-2.6.1/src/gzip/infcodes.c:204:9: error: use of undeclared identifier 'Byte'
204 | OUTBYTE(*f++)
| ^
/private/var/folders/hc/2mc08y957_jf28cqm2snqbfh0000gn/T/pip-install-7jph2yof/matplotlib_beee47aea2e14a979c15689fe3c74c7b/build/freetype-2.6.1/src/gzip/infutil.h:83:27: note: expanded from macro 'OUTBYTE'
83 | #define OUTBYTE(a) {*q++=(Byte)(a);m--;}
| ^

[cuicheng01]

这个问题应该已经修复，再重新尝试下呢？