Libspectre library

[GianPiero Puccioni]

Hi,

I have a problem with okular not displaying images from a .ps file created with 
LaTaX containing .eps images (updated F39, KDE, X11).
error is:
rg.kde.okular.generators.dvi.core: ghostview could not be started
org.kde.okular.generators.dvi.core: GS did not produce output.

Looking around it seems that newer Ghostscript requires libspectre version 0.2.9
I have /usr/lib64/libspectre.so.1.1.12 while a "dnf info libspectre" shows
Name         : libspectre
Version      : 0.2.12
I tried a "dnf update libspectre" -> nothing to do
As I found out I already have that version but it seems that it contains version 
1.1.2!
rpm -ql libspectre-0.2.12-4.fc39.x86_64
...
/usr/lib64/libspectre.so.1
/usr/lib64/libspectre.so.1.1.12
...

I am not sure what to do.

Any advice?

GP

[Barry Scott]

> On 22 Mar 2024, at 18:26, GianPiero Puccioni  wrote:
>
> Hi,
>
> I have a problem with okular not displaying images from a .ps file created with LaTaX containing .eps images (updated F39, KDE, X11).
> error is:
> rg.kde.okular.generators.dvi.core: ghostview could not be started
> org.kde.okular.generators.dvi.core: GS did not produce output.
>
> Looking around it seems that newer Ghostscript requires libspectre version 0.2.9
> I have /usr/lib64/libspectre.so.1.1.12 while a "dnf info libspectre" shows
> Name         : libspectre
> Version      : 0.2.12

This is version of the source code.
> I tried a "dnf update libspectre" -> nothing to do
> As I found out I already have that version but it seems that it contains version 1.1.2!
> rpm -ql libspectre-0.2.12-4.fc39.x86_64
> ...
> /usr/lib64/libspectre.so.1
> /usr/lib64/libspectre.so.1.1.12

1.1.12 is the version of the share object code (.so) that is built from source code versions 0.2.12.
They do not have to be equal and often are not.
> ...
>
> I am not sure what to do.

Open a Fedora bugzilla reporting the problem and request that the newer version of libspectre may be the fix.
That will give the maintainer a heads up.

Barry
> Any advice?
> GP
>
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