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Debian 7.4 - 使用Python 3.4.0进行LXML编译失败(Debian 7.4 - LXML compilation failed with Python 3.4.0)
Debian 7.4 - 使用Python 3.4.0进行LXML编译失败(Debian 7.4 - LXML compilation failed with Python 3.4.0)
我刚刚在我的电脑上安装了Debian 7.4 。 我的内部开发需要python 3.3.2或更高版本以及python3-lxml。 因为python 3.2是debian中的python3.x系列的基线，所以我已经编译了3.4.0 python版本并卸载了旧的3.2。 （注意，该进程还卸载了一些gnome依赖项）。
在那之后，Python3包（例如cherrypy）安装得很好，模块可以在解释器中成功导入。
在尝试安装python3-lxml时，系统需要安装lxml存储库依赖项python3.2 ...我不想这样做。
所以我决定在python 3.4.0上编译lxml。
安装的依赖项：* libxml2> = 2.7.8 * libxml2-dev * libxslt1 => = 1.1.26 * libxslt1-dev
sudo apt-get install libxml2 libxml2-dev libxslt1 libxslt1-dev我认为只需要* -dev包，不是吗？
问题是我在源目录中编译时遇到了这个问题：
jeby6372@mercure:~/Pack/lxml-3.3.4$ sudo python3 setup.py build Building lxml version 3.3.4. Building without Cython. Using build configuration of libxslt 1.1.26 Building against libxml2/libxslt in the following directory: /usr/lib /opt/python-3.4.0/lib/python3.4/distutils/dist.py:260: UserWarning: Unknown distribution option: 'bugtrack_url' warnings.warn(msg) running build running build_py copying src/lxml/includes/lxml-version.h -> build/lib.linux-x86_64-3.4/lxml/includes running build_ext building 'lxml.etree' extension gcc -pthread -Wno-unused-result -Werror=declaration-after-statement -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -I/usr/include/libxml2 -I/home/jeby6372/Pack/lxml-3.3.4/src/lxml/includes -I/opt/python-3.4.0/include/python3.4m -c src/lxml/lxml.etree.c -o build/temp.linux-x86_64-3.4/src/lxml/lxml.etree.o -w gcc -pthread -shared build/temp.linux-x86_64-3.4/src/lxml/lxml.etree.o -L/usr/lib -lxslt -lexslt -lxml2 -lz -lm -o build/lib.linux-x86_64-3.4/lxml/etree.cpython-34m.so /usr/bin/ld: cannot find -lz collect2: error: ld returned 1 exit status error: command 'gcc' failed with exit status 1gcc无法识别-lz选项。 有关信息，我已安装工具链：
sudo apt-get install build-essential任何想法 ？
提前感谢您的帮助。
I've just installed Debian 7.4 on my PC. I need python 3.3.2 or higher AND python3-lxml for my inner developments. As python 3.2 is the base line for the python3.x series in debian wheezy Ive' compiled a 3.4.0 python version and uninstalled the old 3.2. (note that the process also un-installed some gnome dependencies).
After that work Python3 packages (cherrypy for example) install fine and modules can be successfully imported inside the interpreter.
When trying to install python3-lxml , the system needs to install the lxml repository dependencies python3.2 ... that I just don't want to.
So I decided to compile lxml over python 3.4.0.
Dependencies installed : * libxml2 >= 2.7.8 * libxml2-dev * libxslt1= >= 1.1.26 * libxslt1-dev
sudo apt-get install libxml2 libxml2-dev libxslt1 libxslt1-devI think that only the *-dev packages are required, aren't they ?
The problem is that I faced this issue while compiling in the source directory :
jeby6372@mercure:~/Pack/lxml-3.3.4$ sudo python3 setup.py build Building lxml version 3.3.4. Building without Cython. Using build configuration of libxslt 1.1.26 Building against libxml2/libxslt in the following directory: /usr/lib /opt/python-3.4.0/lib/python3.4/distutils/dist.py:260: UserWarning: Unknown distribution option: 'bugtrack_url' warnings.warn(msg) running build running build_py copying src/lxml/includes/lxml-version.h -> build/lib.linux-x86_64-3.4/lxml/includes running build_ext building 'lxml.etree' extension gcc -pthread -Wno-unused-result -Werror=declaration-after-statement -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -I/usr/include/libxml2 -I/home/jeby6372/Pack/lxml-3.3.4/src/lxml/includes -I/opt/python-3.4.0/include/python3.4m -c src/lxml/lxml.etree.c -o build/temp.linux-x86_64-3.4/src/lxml/lxml.etree.o -w gcc -pthread -shared build/temp.linux-x86_64-3.4/src/lxml/lxml.etree.o -L/usr/lib -lxslt -lexslt -lxml2 -lz -lm -o build/lib.linux-x86_64-3.4/lxml/etree.cpython-34m.so /usr/bin/ld: cannot find -lz collect2: error: ld returned 1 exit status error: command 'gcc' failed with exit status 1the -lz option is not recognized by the gcc. For information i've install the tool chain with :
sudo apt-get install build-essentialAny idea ?
In advance thanks for your help.
原文：https://stackoverflow.com/questions/22918186
更新时间：2023-09-26 22:09
最满意答案
ILogger总是一种类型，尝试改变它是这样的：
public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILogger<Startup> logger) { app.Use(next => { return async context => { logger.LogInformation("Incoming request"); await next(context); logger.LogInformation("Outgoing response"); }; });ILogger is always of a type, try change it like this:
public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILogger<Startup> logger) { app.Use(next => { return async context => { logger.LogInformation("Incoming request"); await next(context); logger.LogInformation("Outgoing response"); }; });
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