无法在anaconda环境中安装kenlm包

Question

在 anaconda 环境中尝试从 pip 安装 python wrapper of kenlm 时，出现错误：

(lm_1b) adamg:lm_1b adamg$ pip install https://github.com/kpu/kenlm/archive/master.zip
Collecting https://github.com/kpu/kenlm/archive/master.zip
  Cache entry deserialization failed, entry ignored
  Downloading https://github.com/kpu/kenlm/archive/master.zip
     - 4.4MB 51.1MB/s
Installing collected packages: kenlm
  Running setup.py install for kenlm ... error
    Complete output from command /Users/adamg/anaconda2/envs/lm_1b/bin/python -u -c "import setuptools, tokenize;__file__='/private/var/folders/2l/hd8b8vx566ld71lfd8hjglbc0000gn/T/pip-9yzty3hd-build/setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record /var/folders/2l/hd8b8vx566ld71lfd8hjglbc0000gn/T/pip-aff_d2b8-record/install-record.txt --single-version-externally-managed --compile:
    running install
    running build
    running build_ext
    building 'kenlm' extension
    creating build
    creating build/temp.macosx-10.9-x86_64-3.6
    creating build/temp.macosx-10.9-x86_64-3.6/util
    creating build/temp.macosx-10.9-x86_64-3.6/lm
    creating build/temp.macosx-10.9-x86_64-3.6/util/double-conversion
    creating build/temp.macosx-10.9-x86_64-3.6/python
    clang -Wno-unused-result -Wsign-compare -Wunreachable-code -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -I/Users/adamg/anaconda2/envs/lm_1b/include -arch x86_64 -I/Users/adamg/anaconda2/envs/lm_1b/include -arch x86_64 -I. -I/Users/adamg/anaconda2/envs/lm_1b/include/python3.6m -c util/pool.cc -o build/temp.macosx-10.9-x86_64-3.6/util/pool.o -O3 -DNDEBUG -DKENLM_MAX_ORDER=6 -std=c++11
    In file included from util/pool.cc:1:
    In file included from ./util/pool.hh:4:
    /Users/adamg/anaconda2/envs/lm_1b/bin/../include/c++/v1/cassert:21:10: fatal error: 'assert.h' file not found
    #include <assert.h>
             ^~~~~~~~~~
    1 error generated.
    error: command 'clang' failed with exit status 1

    ----------------------------------------
Command "/Users/adamg/anaconda2/envs/lm_1b/bin/python -u -c "import setuptools, tokenize;__file__='/private/var/folders/2l/hd8b8vx566ld71lfd8hjglbc0000gn/T/pip-9yzty3hd-build/setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record /var/folders/2l/hd8b8vx566ld71lfd8hjglbc0000gn/T/pip-aff_d2b8-record/install-record.txt --single-version-externally-managed --compile" failed with error code 1 in /private/var/folders/2l/hd8b8vx566ld71lfd8hjglbc0000gn/T/pip-9yzty3hd-build/

pip 命令在 conda 环境之外工作，但随后 kenlm 在环境中不活动。我还能够从运行 linux 的 AWS ec2 实例运行它，所以这可能是 Mac OSX 的问题。知道如何解决这个问题吗？

Answer 1

在 Mac 上，clang 通常会出现缺少不同库的问题。在大多数情况下，安装 Xcode 将解决问题。此外，如果没有，您也可以在终端 xcode-select --install
中运行 希望这会有所帮助！