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1 NOTE: This file was originally written several years ago, when many |
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2 people were complaining that Octave would not work for them on Linux |
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3 systems. Generally, the problems were not actually bugs in Octave. |
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4 More recently, the compilers are better, most distributions are more |
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5 complete, and it seems harder to install incompatible sets of |
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6 libraries or header files (but some people still manage to do it). |
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7 |
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8 Since July 1996, most work on Octave has been done using a Linux |
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9 system, and a number of people who regularly test Octave snapshot |
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10 releases also primarily use Linux systems. Because of this, I believe |
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11 Octave should run reasonably well on most current Linux systems. |
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12 However, there have been some problems in the past, usually the result |
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13 of improper installation of compilers or libraries. Sometimes the |
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14 problems have happened because of a botched upgrade or even a buggy |
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15 Linux distribution. |
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16 |
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17 If you can, you should probably install Octave using one of the Debian |
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18 or RPM packages for Octave that are available with the major Linux |
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19 distributions. For example, Dirk Eddelbuettel <edd@debian.org> |
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20 maintains the Debian Octave package and usually has them ready within |
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21 a day or so of new Octave releases. They are available via the WWW at |
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22 http://www.debian.org/distrib/packages. |
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23 |
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24 If for some reason you can't (or choose not to) install Octave from |
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25 one of the binary distributions or by using one of the Debian or RPM |
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26 packages and something goes wrong, please check the following list to |
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27 see if your problem is already well known before reporting a bug. |
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28 |
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29 Octave compiles, but it won't run |
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30 --------------------------------- |
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31 |
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32 If you can compile Octave, but it crashes with a segmentation fault |
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33 right away, you probably have incompatible versions of libc and |
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34 libstdc++ installed, or you have a version of the dynamic loader, |
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35 ld.so, that is incompatible with your versions of the libraries, or |
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36 both. |
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37 |
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38 Octave won't even compile |
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39 ------------------------- |
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40 |
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41 If you can't compile Octave, you should first check to see that your |
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42 compiler and header files are properly installed. Do you have |
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43 multiple versions of the g++ include files on your system? Are you |
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44 sure that your copy of g++ is finding the right set? You can find out |
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45 by compiling a simple C++ program with -v: |
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46 |
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47 bash$ cat foo.cc |
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48 #include <iostream.h> |
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49 int main (void) { cerr << "yo\n"; return 0; } |
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50 |
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51 bash$ g++ -v foo.cc |
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52 gcc -v foo.cc -lstdc++ -lm |
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53 Reading specs from /usr/lib/gcc-lib/i486-linux/2.7.2/specs |
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54 gcc version 2.7.2 |
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55 /usr/lib/gcc-lib/i486-linux/2.7.2/cpp -lang-c++ -v -undef ... |
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56 #include "..." search starts here: |
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57 #include <...> search starts here: |
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58 /usr/lib/g++-include |
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59 /usr/local/include |
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60 /usr/i486-linux/include |
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61 /usr/lib/gcc-lib/i486-linux/2.7.2/include |
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62 /usr/include |
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63 End of search list. |
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64 ... |
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65 |
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66 If the location of the correct set of include files is not listed in |
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67 the search path, then you might be able to fix that with a symbolic |
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68 link. However, if your version of libstdc++ was not compiled with your |
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69 current version of gcc, you are likely to run into more trouble. |
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70 |
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71 I/O in dynamically loaded .oct files doesn't work |
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72 ------------------------------------------------- |
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73 |
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74 If Octave prints things like `%.-1e' instead of numbers when you use a |
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75 dynamically linked .oct file, you probably need to create shared |
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76 versions of the Octave libraries. To do that, configure Octave with |
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77 --enable-shared, recompile, and reinstall. |
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78 |
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79 |
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80 If you have comments or suggestions for this document, please contact |
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81 bug@octave.org. |
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82 |
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83 John W. Eaton |
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84 jwe@bevo.che.wisc.edu |
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85 University of Wisconsin-Madison |
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86 Department of Chemical Engineering |
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87 |
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88 Fri Oct 1 13:04:36 2004 |
