Comment # 16 on bug 918387 from Johannes Meixner

Only FYI:

I verified that now HPLIP is built in "Printing"
with the CUPS version that is by default available
in the particular openSUSE and SLE version:
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$ for r in openSUSE_Tumbleweed openSUSE_Factory openSUSE_13.2 \
 openSUSE_13.1 SLE_11_SP3 ; do for a in i586 x86_64 ; do \
 echo $r $a ; osc rbl Printing hplip $r $a \
 | egrep -o 'cumulate cups.*|installing cups.*' ; done ; done
openSUSE_Tumbleweed i586
cumulate cups-libs-2.0.2-169.3
cumulate cups-devel-2.0.2-169.3
cumulate cups-client-2.0.2-169.3
cumulate cups-filters-ghostscript-1.0.58-38.3
cumulate cups-filters-foomatic-rip-1.0.58-38.3
cumulate cups-2.0.2-169.3
openSUSE_Tumbleweed x86_64
cumulate cups-libs-2.0.2-169.3
cumulate cups-devel-2.0.2-169.3
cumulate cups-client-2.0.2-169.3
cumulate cups-filters-ghostscript-1.0.58-38.3
cumulate cups-filters-foomatic-rip-1.0.58-38.3
cumulate cups-2.0.2-169.3
openSUSE_Factory i586
cumulate cups-libs-2.0.2-169.3
cumulate cups-devel-2.0.2-169.3
cumulate cups-client-2.0.2-169.3
cumulate cups-filters-ghostscript-1.0.58-38.3
cumulate cups-filters-foomatic-rip-1.0.58-38.3
cumulate cups-2.0.2-169.3
openSUSE_Factory x86_64
cumulate cups-libs-2.0.2-169.3
cumulate cups-devel-2.0.2-169.3
cumulate cups-client-2.0.2-169.3
cumulate cups-filters-ghostscript-1.0.58-38.3
cumulate cups-filters-foomatic-rip-1.0.58-38.3
cumulate cups-2.0.2-169.3
openSUSE_13.2 i586
cumulate cups-libs-1.5.4-21.3.1
cumulate cups-client-1.5.4-21.3.1
cumulate cups-devel-1.5.4-21.3.1
cumulate cups-filters-ghostscript-1.0.58-38.2
cumulate cups-filters-foomatic-rip-1.0.58-38.2
cumulate cups-1.5.4-21.3.1
openSUSE_13.2 x86_64
cumulate cups-libs-1.5.4-21.3.1
cumulate cups-client-1.5.4-21.3.1
cumulate cups-devel-1.5.4-21.3.1
cumulate cups-filters-ghostscript-1.0.58-38.2
cumulate cups-filters-foomatic-rip-1.0.58-38.2
cumulate cups-1.5.4-21.3.1
openSUSE_13.1 i586
cumulate cups-libs-1.5.4-12.1.3
cumulate cups-client-1.5.4-12.1.3
cumulate cups-devel-1.5.4-12.1.3
cumulate cups-1.5.4-12.1.3
openSUSE_13.1 x86_64
cumulate cups-libs-1.5.4-12.1.3
cumulate cups-client-1.5.4-12.1.3
cumulate cups-devel-1.5.4-12.1.3
cumulate cups-1.5.4-12.1.3
SLE_11_SP3 i586
installing cups-libs-1.3.9-8.46.46.1
installing cups-client-1.3.9-8.46.46.1
installing cups-devel-1.3.9-8.46.46.1
installing cups-1.3.9-8.46.46.1
SLE_11_SP3 x86_64
installing cups-libs-1.3.9-8.46.46.1
installing cups-client-1.3.9-8.46.46.1
installing cups-devel-1.3.9-8.46.46.1
installing cups-1.3.9-8.46.46.1
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I also verified that for HPLIP 1.15.2 from "Printing"
on my openSUSE 13.2 system with its default CUPS 1.5.4
"python import cupsext" works:
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# rpm -qi cups | grep '^Ve'
Version     : 1.5.4
Vendor      : openSUSE

# rpm -qi hplip | grep '^Ve'
Version     : 3.15.2
Vendor      : obs://build.opensuse.org/Printing

# python
Python 2.7.8 (default, Sep 30 2014, 15:34:38) [GCC] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import cupsext
>>> quit()
# 
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(cf. https://bugs.launchpad.net/hplip/+bug/1423220)

Currently HPLIP does not build for SLE12 because
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$ osc results -v -r SLE_12 Printing hplip              
SLE_12  x86_64  unresolvable: nothing provides cups-devel < 1.6
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Currently SLE12 is not urgent - as time permits I will
work on it to also make it build correctly on SLE12...