Src / lxml / etree_defs.h: 9: 31: fatal error: libxml / xmlversion.h: no such file or directory

  • I run the following command to install packages in this file " pip install -r requirements.txt --download-cache=~/tmp/pip-cache ".

  • require.txt contains pacakages such as

 # Data formats # ------------ PIL==1.1.7 # html5lib==0.90 httplib2==0.7.4 lxml==2.3.1 # Documentation # ------------- Sphinx==1.1 docutils==0.8.1 # Testing # ------- behave==1.1.0 dingus==0.3.2 django-testscenarios==0.7.2 mechanize==0.2.5 mock==0.7.2 testscenarios==0.2 testtools==0.9.14 wsgi_intercept==0.5.1 

when installing the "lxml" packages I get the following eror

 Requirement already satisfied (use --upgrade to upgrade): django-testproject>=0.1.1 in /usr/lib/python2.7/site-packages/django_testproject-0.1.1-py2.7.egg (from django-testscenarios==0.7.2->-r requirements.txt (line 33)) Installing collected packages: lxml, Sphinx, docutils, behave, dingus, mock, testscenarios, testtools, South Running setup.py install for lxml Building lxml version 2.3.1. Building without Cython. ERROR: /bin/sh: xslt-config: command not found ** make sure the development packages of libxml2 and libxslt are installed ** Using build configuration of libxslt building 'lxml.etree' extension gcc -pthread -fno-strict-aliasing -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m32 -march=i686 -mtune=atom -fasynchronous-unwind-tables -D_GNU_SOURCE -fPIC -fwrapv -DNDEBUG -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m32 -march=i686 -mtune=atom -fasynchronous-unwind-tables -D_GNU_SOURCE -fPIC -fwrapv -fPIC -I/usr/include/python2.7 -c src/lxml/lxml.etree.c -o build/temp.linux-i686-2.7/src/lxml/lxml.etree.o -w In file included from src/lxml/lxml.etree.c:239:0: src/lxml/etree_defs.h:9:31: fatal error: libxml/xmlversion.h: No such file or directory compilation terminated. error: command 'gcc' failed with exit status 1 Complete output from command /usr/bin/python -c "import setuptools;__file__='/root/Projects/ir/build/lxml/setup.py';execfile(__file__)" install --single-version-externally-managed --record /tmp/pip-SwjFm3-record/install-record.txt: Building lxml version 2.3.1. Building without Cython. ERROR: /bin/sh: xslt-config: command not found ** make sure the development packages of libxml2 and libxslt are installed ** Using build configuration of libxslt running install running build running build_py copying src/lxml/cssselect.py -> build/lib.linux-i686-2.7/lxml copying src/lxml/__init__.py -> build/lib.linux-i686-2.7/lxml copying src/lxml/sax.py -> build/lib.linux-i686-2.7/lxml copying src/lxml/pyclasslookup.py -> build/lib.linux-i686-2.7/lxml copying src/lxml/usedoctest.py -> build/lib.linux-i686-2.7/lxml copying src/lxml/doctestcompare.py -> build/lib.linux-i686-2.7/lxml copying src/lxml/_elementpath.py -> build/lib.linux-i686-2.7/lxml copying src/lxml/ElementInclude.py -> build/lib.linux-i686-2.7/lxml copying src/lxml/builder.py -> build/lib.linux-i686-2.7/lxml copying src/lxml/html/clean.py -> build/lib.linux-i686-2.7/lxml/html copying src/lxml/html/__init__.py -> build/lib.linux-i686-2.7/lxml/html copying src/lxml/html/_dictmixin.py -> build/lib.linux-i686-2.7/lxml/html copying src/lxml/html/ElementSoup.py -> build/lib.linux-i686-2.7/lxml/html copying src/lxml/html/usedoctest.py -> build/lib.linux-i686-2.7/lxml/html copying src/lxml/html/defs.py -> build/lib.linux-i686-2.7/lxml/html copying src/lxml/html/builder.py -> build/lib.linux-i686-2.7/lxml/html copying src/lxml/html/_html5builder.py -> build/lib.linux-i686-2.7/lxml/html copying src/lxml/html/diff.py -> build/lib.linux-i686-2.7/lxml/html copying src/lxml/html/html5parser.py -> build/lib.linux-i686-2.7/lxml/html copying src/lxml/html/_diffcommand.py -> build/lib.linux-i686-2.7/lxml/html copying src/lxml/html/_setmixin.py -> build/lib.linux-i686-2.7/lxml/html copying src/lxml/html/soupparser.py -> build/lib.linux-i686-2.7/lxml/html copying src/lxml/html/formfill.py -> build/lib.linux-i686-2.7/lxml/html copying src/lxml/isoschematron/__init__.py -> build/lib.linux-i686-2.7/lxml/isoschematron copying src/lxml/etreepublic.pxd -> build/lib.linux-i686-2.7/lxml copying src/lxml/tree.pxd -> build/lib.linux-i686-2.7/lxml copying src/lxml/etree_defs.h -> build/lib.linux-i686-2.7/lxml copying src/lxml/isoschematron/resources/rng/iso-schematron.rng -> build/lib.linux-i686-2.7/lxml/isoschematron/resources/rng copying src/lxml/isoschematron/resources/xsl/XSD2Schtrn.xsl -> build/lib.linux-i686-2.7/lxml/isoschematron/resources/xsl copying src/lxml/isoschematron/resources/xsl/RNG2Schtrn.xsl -> build/lib.linux-i686-2.7/lxml/isoschematron/resources/xsl copying src/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/iso_svrl_for_xslt1.xsl -> build/lib.linux-i686-2.7/lxml/isoschematron/resources/xsl/iso-schematron-xslt1 copying src/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/iso_schematron_message.xsl -> build/lib.linux-i686-2.7/lxml/isoschematron/resources/xsl/iso-schematron-xslt1 copying src/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/iso_schematron_skeleton_for_xslt1.xsl -> build/lib.linux-i686-2.7/lxml/isoschematron/resources/xsl/iso-schematron-xslt1 copying src/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/iso_abstract_expand.xsl -> build/lib.linux-i686-2.7/lxml/isoschematron/resources/xsl/iso-schematron-xslt1 copying src/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/iso_dsdl_include.xsl -> build/lib.linux-i686-2.7/lxml/isoschematron/resources/xsl/iso-schematron-xslt1 copying src/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/readme.txt -> build/lib.linux-i686-2.7/lxml/isoschematron/resources/xsl/iso-schematron-xslt1 running build_ext building 'lxml.etree' extension gcc -pthread -fno-strict-aliasing -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m32 -march=i686 -mtune=atom -fasynchronous-unwind-tables -D_GNU_SOURCE -fPIC -fwrapv -DNDEBUG -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m32 -march=i686 -mtune=atom -fasynchronous-unwind-tables -D_GNU_SOURCE -fPIC -fwrapv -fPIC -I/usr/include/python2.7 -c src/lxml/lxml.etree.c -o build/temp.linux-i686-2.7/src/lxml/lxml.etree.o -w In file included from src/lxml/lxml.etree.c:239:0: src/lxml/etree_defs.h:9:31: fatal error: libxml/xmlversion.h: No such file or directory compilation terminated. error: command 'gcc' failed with exit status 1 ---------------------------------------- Command /usr/bin/python -c "import setuptools;__file__='/root/Projects/ir/build/lxml/setup.py';execfile(__file__)" install --single-version-externally-managed --record /tmp/pip-SwjFm3-record/install-record.txt failed with error code 1 Storing complete log in /root/.pip/pip.log 

Can someone check and tell me what will be the problem and why? Any package is missing for installation.

+84
pip lxml
Apr 02 '13 at 8:11
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5 answers

Install libxslt-devel and libxml2-devel with

 sudo apt-get install libxml2-dev libxslt1-dev 

After installation, follow the above

+215
Apr 02 '13 at 9:48
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  • Install Cython with

    easy_install Cython

  • After cython shuts down, install libxslt-devel and libxml2-devel using

    yum install libxslt-devel libxml2-devel

It worked for me.

+46
Apr 02 '13 at 9:39
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The selected answer is right, but I just wanted to add for those using Fedora: libxslt1 called libxslt when using dnf. So the command:

 sudo dnf install libxml2-devel libxslt-devel 

devel for dnf is the same as dev for apt-get.

+8
Jul 12 '16 at 16:41
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without sudo rights, you can install lxml with:

 STATIC_DEPS=true pip install lxml 

As mentioned in lxml documentation

+3
Aug 27 '14 at 12:47 on
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The certified answer works fine. But just adding the install command for alpine to install libxslt-devel and libxml2-devel

 apk add --update libxml2-dev libxslt-dev 
0
Feb 01 '19 at 12:37
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