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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Switching Compilers (Intel Related)","articleBody":"Hello all, I have an intel-compiled version of Python 2.7.8 that I'm trying to build and install Matplotlib into. When I run \"python setup.py build\" everything builds fine until:\n\n``` shell\nicc -pthread -fno-strict-aliasing -O3 -fPIC -fp-model strict -fomit-frame-pointer -DNDEBUG -g -O3 -Wall -fPIC -DMPL_DEVNULL=/dev/null -DPY_ARRAY_UNIQUE_SYMBOL=MPL_matplotlib__qhull_ARRAY_API -DNPY_NO_DEPRECATED_API=NPY_1_7_API_VERSION -I/usr/local/python2/2.7.8/x86_64/intel14/nonet/lib/python2.7/site-packages/numpy/core/include -I/usr/local/include -I/usr/include -I. -Iextern -I/usr/local/python2/2.7.8/x86_64/intel14/nonet/include/python2.7 -c src/qhull_wrap.c -o build/temp.linux-x86_64-2.7/src/qhull_wrap.o\nIn file included from src/qhull_wrap.c(10):\nextern/qhull/qhull_a.h(106): warning #77: this declaration has no storage class or type specifier \ntemplate \u003ctypename T\u003e \n^\n\nIn file included from src/qhull_wrap.c(10):\nextern/qhull/qhull_a.h(106): error: expected a \";\"\ntemplate \u003ctypename T\u003e\n         ^\n\nIn file included from src/qhull_wrap.c(10):\nextern/qhull/qhull_a.h(115): warning #12: parsing restarts here after previous syntax error\n  void    qh_qhull(void);\n                        ^\n\ncompilation aborted for src/qhull_wrap.c (code 2) \nerror: command 'icc' failed with exit status 2\n```\n\nThe issue here is that icc does not support templates. When I manually run this command with icpc rather than icc it compiles fine. Can someone advise me on how I can go about switching to icpc to compile qhull_wrap.c? I'm also happy to submit a pull request if this is something that can be generalized in the build process. Version info listed below.\n\n``` shell\n[frenchwr@vmps11 matplotlib]$ uname -a\nLinux vmps11 2.6.32-358.14.1.el6.x86_64 #1 SMP Tue Jul 16 23:51:20 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux\n```\n\n``` shell\n[frenchwr@vmps11 matplotlib]$ lsb_release -a\nLSB Version:    :base-4.0-amd64:base-4.0-noarch:core-4.0-amd64:core-4.0-noarch:graphics-4.0-amd64:graphics-4.0-noarch:printing-4.0-amd64:printing-4.0-noarch\nDistributor ID: CentOS\nDescription:    CentOS release 6.5 (Final)\nRelease:    6.5\nCodename:   Final\n```\n\n``` shell\n[frenchwr@vmps11 matplotlib]$ python --version\nPython 2.7.8\n```\n\n``` shell\n[frenchwr@vmps11 matplotlib]$ icc --version\nicc (ICC) 14.0.2 20140120\nCopyright (C) 1985-2014 Intel Corporation.  All rights reserved.\n```\n\n``` shell\n[frenchwr@vmps11 matplotlib]$ pip freeze\nbiopython==1.65\nCython==0.22\nmock==1.0.1\nnose==1.3.4\nnumpy==1.9.1\npandas==0.15.2\npyparsing==2.0.3\npython-dateutil==2.4.0\npytz==2014.10\nscikit-learn==0.15.2\nscipy==0.15.1\nseaborn==0.4.dev0\nsix==1.9.0\nword-count==0.1.0\n```\n\n``` shell\n[frenchwr@vmps11 matplotlib]$ git describe\nv1.4.3-1743-ga951b75\n```\n","author":{"url":"https://github.com/frenchwr","@type":"Person","name":"frenchwr"},"datePublished":"2015-06-12T16:22:55.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":7},"url":"https://github.com/4518/matplotlib/issues/4518"}