On Sun, Jun 02, 2024 at 12:50:48AM GMT, Enrico Forestieri wrote: > On Fri, May 31, 2024 at 12:05:01PM -0400, Scott Kostyshak wrote: > > > > Occassionally I see someone (maybe Enrico or JMarc?) mention they > > checked something on a very old version of LyX to see if some behavior > > is how it's always been. How do you do that? Does that version fun on > > your current operating system? Do you have a virtual machine with an old > > version of your operating system installed? > > Yes, I can run all versions of lyx from 1.3 on both current cygwin and > debian (I can even run lyx 1.1.6fix4 but only on Solaris). > > In order to be able to do this I save all relevant Qt and Python packages > (as .deb files on debian) and install/reinstall them whenever needed. > Sometimes I have to tweak a .deb package in order to convince the system > that all prerequisites are actually satisfied (see, for axample, > https://www.baeldung.com/linux/package-deb-change-repack) > > I have also to patch the lyx sources due to compiler changes but until now I > was able to recompile and run everything on the current operating system. > > As an example, I add here a script and a tar archive with a debian directory > for building lyx 1.3.7. All you would need to do is renaming the original > sources as lyx13_1.3.7.orig.tar.gz, put the script and the tar archive in > the same directory and launch the script to obtain a .deb file ready for > installation. > > Of course, you also need Qt3 and corresponding development files. However, > if you are interested, I can provide everything is necessary: > $ ls -l /usr/local/src/pkgs/qt3/ > totale 9344 > -rw-r--r-- 1 ef 137708 6 ago 2015 libjpeg8_8d-1+deb7u1_amd64.deb > -rw-r--r-- 1 ef 115480 5 ago 2015 libjpeg8_8d-1+deb7u1_i386.deb > -rw-r--r-- 1 ef 172672 25 lug 2023 libpng12-0_1.2.50-2+deb8u3_amd64.deb > -rw-r--r-- 1 ef 178756 25 lug 2023 libpng12-0_1.2.50-2+deb8u3_i386.deb > -rw-r--r-- 1 ef 248140 25 lug 2023 libpng12b-dev_1.2.50-2+deb8u3_amd64.deb > -rw-r--r-- 1 ef 247966 23 giu 2017 > libpng12-dev_1.2.50-2+deb8u3_amd64.deb.orig > -rw-r--r-- 1 ef 79308 5 ago 2015 > libqt3-compat-headers_3.3.8b-11+b1_all.deb > -rw-r--r-- 1 ef 80624 5 set 2010 > libqt3-compat-headers_3.3.8b-7+b1_amd64.deb > -rw-r--r-- 1 ef 277452 5 ago 2015 libqt3-headers_3.3.8b-11+b1_all.deb > -rw-r--r-- 1 ef 357446 5 set 2010 libqt3-headers_3.3.8b-7+b1_amd64.deb > -rw-r--r-- 1 ef 2587542 5 ago 2015 libqt3-mt_3.3.8b-11+b1_i386.deb > -rw-r--r-- 1 ef 2656476 5 ago 2015 libqt3-mt_3.3.8b-7+b1_amd64.deb > -rw-r--r-- 1 ef 46554 5 ago 2015 libqt3-mt-dev_3.3.8b-11+b1_i386.deb > -rw-r--r-- 1 ef 46442 23 giu 2017 libqt3-mt-dev_3.3.8b-7+b1_amd64.deb > -rw-r--r-- 1 ef 49074 5 set 2010 libqt3-mt-dev_3.3.8b-7+b1_amd64.deb.orig > -rw-r--r-- 1 ef 215152 11 dic 01.38 multiarch-support_2.28-10_amd64.deb > drwxr-xr-x 2 ef 0 25 lug 2023 pre-bookworm/ > -rw-r--r-- 1 ef 977050 5 ago 2015 qt3-dev-tools_3.3.8b-11+b1_i386.deb > -rw-r--r-- 1 ef 1060254 5 ago 2015 qt3-dev-tools_3.3.8b-7+b1_amd64.deb > > I can also simply provide the .deb archives for lyx ready for installation > (they can be installed together because the binaries are versioned): > > $ ls -l lyx*/*_amd64.deb | grep -v dbgsym > -rw-r--r-- 1 ef 4022796 23 giu 2017 lyx13/lyx13_1.3.7-1.1_amd64.deb > -rw-r--r-- 1 ef 5155392 24 giu 2017 lyx14/lyx14_1.4.5.1-1.1_amd64.deb > -rw-r--r-- 1 ef 10203976 16 nov 2021 lyx15/lyx15_1.5.7-1.1_amd64.deb > -rw-r--r-- 1 ef 11861228 16 nov 2021 lyx16/lyx16_1.6.10-1.1_amd64.deb > -rw-r--r-- 1 ef 13532172 17 nov 2021 lyx20/lyx20_2.0.8.1-1.1_amd64.deb > -rw-r--r-- 1 ef 14403048 17 nov 2021 lyx21/lyx21_2.1.5-1.1_amd64.deb > -rw-r--r-- 1 ef 22823668 17 nov 2021 lyx22/lyx22_2.2.4-1.0_amd64.deb > > Every time the system is upgraded and the .deb archive does not install > anymore, I update the patches if the problem is due to the new compiler or > simply tweak the archive such that it installs cleanly. It seems complicated > but actually turns out to be quite straightforward. > > I do this to make sure I reproduce a document by editing it with the same > version of lyx that generated it. Although this is not always necessary (as > we strive for backward compatibility) I have been bitten by it in a few > occasions.
This is all very helpful, Enrico. I had no idea that the old debs could be used on newer systems (with some potential modifications). I've saved this info and will refer back to it when I need to bisect an issue that was introduced a long time ago. Thank you! Scott
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