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This topic created in 4419 days ago, the information mentioned may be changed or developed.
Mac os x 10.9.2
提示错误如下：
creating build/temp.macosx-10.9-intel-2.7/src
creating build/temp.macosx-10.9-intel-2.7/src/lxml
cc -fno-strict-aliasing -fno-common -dynamic -arch x86_64 -arch i386 -g -Os -pipe -fno-common -fno-strict-aliasing -fwrapv -mno-fused-madd -DENABLE_DTRACE -DMACOSX -DNDEBUG -Wall -Wstrict-prototypes -Wshorten-64-to-32 -DNDEBUG -g -fwrapv -Os -Wall -Wstrict-prototypes -DENABLE_DTRACE -arch x86_64 -arch i386 -pipe -I/usr/include/libxml2 -I/private/var/folders/22/f2h4btc90jncdy3p1sq_td0m0000gn/T/pip_build_KentChum/lxml/src/lxml/includes -I/System/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7 -c src/lxml/lxml.etree.c -o build/temp.macosx-10.9-intel-2.7/src/lxml/lxml.etree.o -w -flat_namespace
clang: error: unknown argument: '-mno-fused-madd' [-Wunused-command-line-argument-hard-error-in-future]
clang: note: this will be a hard error (cannot be downgraded to a warning) in the future
error: command 'cc' failed with exit status 1
搜索过，安装了command line tool，也export cc＝'gcc'了，没用。
代码安装python setup.py，或者brew install lxml都是这个错误
提示错误如下：
creating build/temp.macosx-10.9-intel-2.7/src
creating build/temp.macosx-10.9-intel-2.7/src/lxml
cc -fno-strict-aliasing -fno-common -dynamic -arch x86_64 -arch i386 -g -Os -pipe -fno-common -fno-strict-aliasing -fwrapv -mno-fused-madd -DENABLE_DTRACE -DMACOSX -DNDEBUG -Wall -Wstrict-prototypes -Wshorten-64-to-32 -DNDEBUG -g -fwrapv -Os -Wall -Wstrict-prototypes -DENABLE_DTRACE -arch x86_64 -arch i386 -pipe -I/usr/include/libxml2 -I/private/var/folders/22/f2h4btc90jncdy3p1sq_td0m0000gn/T/pip_build_KentChum/lxml/src/lxml/includes -I/System/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7 -c src/lxml/lxml.etree.c -o build/temp.macosx-10.9-intel-2.7/src/lxml/lxml.etree.o -w -flat_namespace
clang: error: unknown argument: '-mno-fused-madd' [-Wunused-command-line-argument-hard-error-in-future]
clang: note: this will be a hard error (cannot be downgraded to a warning) in the future
error: command 'cc' failed with exit status 1
搜索过，安装了command line tool，也export cc＝'gcc'了，没用。
代码安装python setup.py，或者brew install lxml都是这个错误
Supplement 1 Mar 21, 2014
env ARCHFLAGS=-Wno-error=unused-command-line-argument-hard-error-in-future pip install lxml -i http://pypi.v2ex.com/simple
即可安装，确实最近update了Xcode.
即可安装，确实最近update了Xcode.
 | 1 heqing Mar 21, 2014  1 |
 | 2 binux Mar 21, 2014 1 brew |
 | 3 kchum OP @heqing 在lxml源代码目录的setup.cfg加入了[build_ext] compiler=icc，命令运行 sudo python setup.py build --static-deps --libxml2-version=2.9.1 --libxslt-version=1.1.28 同样出现 clang: error: unknown argument: '-mno-fused-madd' [-Wunused-command-line-argument-hard-error-in-future] clang: note: this will be a hard error (cannot be downgraded to a warning) in the future error: command 'cc' failed with exit status 1 @binux 我是用brew install libxml2 libxslt了，上面有笔误。不知道你所说的是什么意思，麻烦指点下，谢谢。 |
| 4 binux Mar 21, 2014 1 |
 | 5 rockhead Mar 21, 2014 1 给Xcode设置环境变量: ARCHFLAGS=-Wno-error=unused-command-line-argument-hard-error-in-future 新版的xcode 检查更严格了,没有使用的命令行参数会当成错误处理 |
| 6 rockhead Mar 21, 2014 1 单行命令如下: env ARCHFLAGS=-Wno-error=unused-command-line-argument-hard-error-in-future pip install lxml |
| 7 kchum OP @heqing @binux @rockhead 感谢大家，如 @rockhead 所写的一样，已安装上。 我这Cannot fetch index base URL https://pypi.python.org/simple/ 所以用v2的源 env ARCHFLAGS=-Wno-error=unused-command-line-argument-hard-error-in-future pip install lxml -i http://pypi.v2ex.com/simple |
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