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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Windows 7 64bit compilation error","articleBody":"I followed the instruction, but got compilation error on Windows 7 64bit. Has anyone confirmed that rPython works on on 64bit PC with 64bit R? If so, then I must have missed something. Any suggestions on what else I should check?\n\nBTW, I am using Anaconda python 3.4 distribution. My configure.win looks like the following:\n\n```\n#!/bin/sh\n\necho 'PKG_LIBS=-LC:/Anaconda3/libs -lpython34'  \u003e src/makevars.win\necho 'PKG_CFLAGS=-I\"C:/Anaconda3/include\"'     \u003e\u003e src/makevars.win\n```\n\nI used RStudio, and here is the commands and outputs:\n\n```\n\u003e library(devtools)\n\u003e install(\"C:/Downloads/rPython\")\nInstalling rPython\n\"C:/R/R-31~1.2/bin/x64/R\" --vanilla CMD INSTALL \"C:/Downloads/rPython\"  \\\n  --library=\"C:/R/R-3.1.2/library\" --install-tests \n\n* installing *source* package 'rPython' ...\n** libs\nWarning: this package has a non-empty 'configure.win' file,\nso building only the main architecture\n\ngcc -m64 -shared -s -static-libgcc -o rPython.dll tmp.def pycall.o -LC:/Anaconda3/libs -lpython34 -Ld:/RCompile/CRANpkg/extralibs64/local/lib/x64 -Ld:/RCompile/CRANpkg/extralibs64/local/lib -LC:/R/R-31~1.2/bin/x64 -lR\nc:/rtools/gcc-4.6.3/bin/../lib/gcc/i686-w64-mingw32/4.6.3/../../../../i686-w64-mingw32/bin/ld.exe: i386 architecture of input file `pycall.o' is incompatible with i386:x86-64 output\npycall.o:pycall.c:(.text+0x5): undefined reference to `__imp__Py_Initialize'\npycall.o:pycall.c:(.text+0x1a): undefined reference to `__imp__PyRun_SimpleStringFlags'\npycall.o:pycall.c:(.text+0x31): undefined reference to `__imp__Py_Finalize'\npycall.o:pycall.c:(.text+0x56): undefined reference to `__imp__PyRun_SimpleStringFlags'\npycall.o:pycall.c:(.text+0x8c): undefined reference to `__imp__PyImport_AddModule'\npycall.o:pycall.c:(.text+0x95): undefined reference to `__imp__PyModule_GetDict'\npycall.o:pycall.c:(.text+0xa8): undefined reference to `__imp__PyDict_GetItemString'\npycall.o:pycall.c:(.text+0xbe): undefined reference to `__imp__PyBytes_AsString'\ncollect2: ld returned 1 exit status\nno DLL was created\nERROR: compilation failed for package 'rPython'\n* removing 'C:/R/R-3.1.2/library/rPython'\nError: Command failed (1)\n```\n\nJust an update, I tried it on Windows XP 32bit (with Anaconda python 2.7) and the installation was successful. I'll try to run some code and see if everything is working.\n\n```\n\u003e library(devtools)\n\u003e install(\"C:/Downloads/rPython\")\nInstalling rPython\n\"C:/R/R-31~1.2/bin/i386/R\" --vanilla CMD INSTALL \"C:/Downloads/rPython\"  \\\n  --library=\"C:/R/R-3.1.2/library\" --install-tests \n\n* installing *source* package 'rPython' ...\n** libs\nWarning: this package has a non-empty 'configure.win' file,\nso building only the main architecture\n\ngcc -m32 -I\"C:/R/R-31~1.2/include\" -DNDEBUG     -I\"d:/RCompile/CRANpkg/extralibs64/local/include\"  -I\"C:/Anaconda/include\"   -O3 -Wall  -std=gnu99 -mtune=core2 -c pycall.c -o pycall.o\ngcc -m32 -shared -s -static-libgcc -o rPython.dll tmp.def pycall.o -LC:/Anaconda/libs -lpython27 -Ld:/RCompile/CRANpkg/extralibs64/local/lib/i386 -Ld:/RCompile/CRANpkg/extralibs64/local/lib -LC:/R/R-31~1.2/bin/i386 -lR\ninstalling to C:/R/R-3.1.2/library/rPython/libs/i386\n** R\n** inst\n** preparing package for lazy loading\n** help\n*** installing help indices\n** building package indices\n** testing if installed package can be loaded\n* DONE (rPython)\n```\n","author":{"url":"https://github.com/grandtiger","@type":"Person","name":"grandtiger"},"datePublished":"2015-02-25T17:46:45.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":15},"url":"https://github.com/2/rPython-win/issues/2"}