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annotate etc/README.Cygwin @ 20614:10ec79b47808

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use new string_value method to handle value extraction errors * __voronoi__.cc, chol.cc, colamd.cc, fftw.cc: Use new string_value method.
author John W. Eaton <jwe@octave.org>
date Thu, 08 Oct 2015 18:15:56 -0400
parents 446c46af4b42
children
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1 Starting with version 3.0.1, Octave is once again part of the normal
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2 net distribution of Cygwin, available from http://www.cygwin.com.
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3
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4 It is possible to build Octave from source on Windows systems with Cygwin,
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5 but with the old gcc-3.4.4-3 compiler there are some performance
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6 problems related to the way C++ exception handling is implemented.
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7 This is a known problem with a long history and it is STRONGLY
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8 encouraged to use gcc-4.3.2-1 or later.
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9
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10 Current binary versions are built with gcc-4.5.3-3.
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13 ------- SUGGESTED CONFIGURATION ---------------------------
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14
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15 The latest development Octave development sources (octave-3.5.91+)
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16 are built with:
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17
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18 configure --enable-shared \
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19 --enable-float-truncate \
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20 CC=gcc-4 F77=gfortran-4 CXX=g++-4 CPP=cpp-4
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21 lt_cv_deplibs_check_method=pass_all \
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22 LDFLAGS=-Wl,-no-undefined
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23
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24 "--enable-float-truncate" is needed for the following bug:
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25 http://thread.gmane.org/gmane.comp.gnu.octave.bugs/12361/focus=12404
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26 Without it, one of the quadgk test will fail as
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27 "a=a" could be false due to truncation problems with
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28 complex numbers.
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29
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30 "lt_cv_deplibs_check_method=pass_all" is needed to bypass
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31 incorrect libtool detection of system capabilities and
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32 to allow shared libs building.
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33
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34 "LDFLAGS=-Wl,-no-undefined" is better than previous
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35 "LDFLAGS=-no-undefined" as gcc-4 is now complaining about
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36 unknown command and the "undefined" is for the linker.
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37
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38 The additional patch used for 3.4.3-3 package can also be
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39 needed for 3.6.x (see below).
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40
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41 ------- SUGGESTION FOR FORK ISSUE --------------------------
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42
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43 The build process can fails in building images for documentation
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44 due to fork issue of the octave dll just built. In such case
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45 I suggest to rebase the built dll's with:
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46
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47 $ find build_tree -name "*.dll" > rebase_list
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48
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49 and after closing all cygwin process, from a dash shell
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50
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51 $ rebaseall -s 'dll|so|oct' -T /full_path/rebase_list
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52
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53 After rebasing the "make" should be able to complete the
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54 creation of the images and the documentation.
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55
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56 ------------------------------------------------------
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57
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58 Octave-3.4.3-3 package was built using:
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59
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60 configure --libexecdir=/usr/lib \
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61 --enable-shared \
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62 --enable-float-truncate \
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63 F77=gfortran-4 \
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64 lt_cv_deplibs_check_method=pass_all \
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65 LDFLAGS=-no-undefined
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66
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67 plus and additional patch to solve a specific cygwin
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68 fltk print issue, see:
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69 https://savannah.gnu.org/bugs/?31641
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70
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71 Octave-3.2.4 was built using:
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72
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73 configure --enable-shared \
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74 --without-fltk \
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75 --without-framework-opengl \
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76 CC=gcc-4 F77=gfortran-4 CXX=g++-4 CPP=cpp-4
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77 CFLAGS="-Dtimezone=_timezone"
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79 ------------------------------------------------------
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80 Current Cygwin package maintainer for Octave:
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81
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82 Marco Atzeri
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83 http://matzeri.altervista.org
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84
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85 Marco Atzeri
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86 marco.atzeri@gmail.com
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87 Italy
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88
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89 Last updated: Tue Jan 3 14:40:58 WEST 2012