I need to compile from source a program whose build process requires libnm-gtk-devel. On my Leap 15.0 system the package is on the repos, however in Tumbleweed there is no such package:
# cat /etc/os-release
NAME="openSUSE Tumbleweed"
# VERSION="20180807"
ID="opensuse-tumbleweed"
ID_LIKE="opensuse suse"
VERSION_ID="20180807"
PRETTY_NAME="openSUSE Tumbleweed"
ANSI_COLOR="0;32"
CPE_NAME="cpe:/o:opensuse:tumbleweed:20180807"
BUG_REPORT_URL="https://bugs.opensuse.org"
HOME_URL="https://www.opensuse.org/"
# zypper in libnm-gtk-devel
Loading repository data...
Reading installed packages...
'libnm-gtk-devel' not found in package names. Trying capabilities.
No provider of 'libnm-gtk-devel' found.
Resolving package dependencies...
Nothing to do.
# zypper se libnm
Loading repository data...
Reading installed packages...
S | Name | Summary | Type
---+-----------------+----------------------------------------------------+--------
i+ | libnm-glib-vpn1 | Convenience library for NetworkManager VPN plugins | package
i+ | libnm-glib4 | Convenience library for clients of NetworkManager | package
i+ | libnm-util2 | Convenience library for clients of NetworkManager | package
i | libnm0 | Convenience library for clients of NetworkManager | package
| libnma-devel | NetworkManager UI dialogs -- Development Files | package
i | libnma0 | NetworkManager UI dialog library | package
# zypper lr --uri
Repository priorities are without effect. All enabled repositories share the same priority.
# | Alias | Name | Enabled | GPG Check | Refresh | URI
--+---------------------------------+---------------------------------+---------+-----------+---------+---------------------------------------------------------------
1 | ftp.gwdg.de-suse | Packman Repository | Yes | (r ) Yes | Yes | http://ftp.gwdg.de/pub/linux/packman/suse/openSUSE_Tumbleweed/
2 | openSUSE-Tumbleweed-Src-Non-OSS | openSUSE-Tumbleweed-Src-Non-OSS | No | ---- | ---- | http://download.opensuse.org/tumbleweed/repo/src-non-oss/
3 | openSUSE-Tumbleweed-Src-OSS | openSUSE-Tumbleweed-Src-OSS | No | ---- | ---- | http://download.opensuse.org/tumbleweed/repo/src-oss/
4 | repo-debug | openSUSE-Tumbleweed-Debug | No | ---- | ---- | http://download.opensuse.org/debug/tumbleweed/repo/oss/
5 | repo-non-oss | openSUSE-Tumbleweed-Non-OSS | Yes | (r ) Yes | Yes | http://download.opensuse.org/tumbleweed/repo/non-oss/
6 | repo-oss | openSUSE-Tumbleweed-OSS | Yes | (r ) Yes | Yes | http://download.opensuse.org/tumbleweed/repo/oss/
7 | repo-update | openSUSE-Tumbleweed-Update | Yes | (r ) Yes | Yes | http://download.opensuse.org/update/tumbleweed/
What should I do?