[Buildroot] [Bug 12661] cups problems in buildroot
bugzilla at busybox.net
bugzilla at busybox.net
Thu Apr 23 06:43:06 UTC 2020
https://bugs.busybox.net/show_bug.cgi?id=12661
--- Comment #3 from Alexey <skif at skif-web.ru> ---
I found the answer myself
It's big complex ptobleb with qpdf, cups-filters and ghostscrips
patchs sumbitted:
http://lists.busybox.net/pipermail/buildroot/2020-April/279672.html
http://lists.busybox.net/pipermail/buildroot/2020-April/279676.html
http://lists.busybox.net/pipermail/buildroot/2020-April/279677.html
http://lists.busybox.net/pipermail/buildroot/2020-April/279673.html
There are multiple issues in buildroot that faults cups printing.
First trouble is incorrect qpdf buiding.
Qpdf is mandatory dependence of cups.
In current master, qpdf builds with incorrect --no-random option. On
any work< qpdf send 'no such file' error. For example:
qpdf /usr/share/cups/data/secret.pdf -
This commmand must get PDF file in stdout.But only 'No such file or
directory' error present.
0/1 patch fix this by changing configure options to
with-random=/dev/random.
Next global problem - cups-filters need ghostscript.
>From https://github.com/OpenPrinting/cups-filters/blob/master/README :
By default, pdftops uses Ghostscript if this does not get changed
at compile time, for example by the Linux distribution vendor.
0/2 patch fix id by settinbg ghostscript as default render if
ghostscript enabled in voard config.
Last trouble - ghostscript building without cups support.
0/3 patch fix is by removing disable-patch option. Now, if cups is
enabled, it will be added to dependencies and correct configure
options added to ghostscript building. Also fixed ghostscript
buildroot building issue with unpleasant hack in configure.ac, which
broke pkg-config. It's broke cups search by ghostscript configure
script.
GHOSTSCRIPT_CUPS_CONFIG_FIX also needed for this task.
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