Для openSUSE Leap 42.3 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:vjt:ifad/openSUSE_Leap_42.3/home:vjt:ifad.repo
zypper refresh
zypper install libwebp
Для openSUSE Leap 42.2 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:vjt:ifad/openSUSE_Leap_42.2/home:vjt:ifad.repo
zypper refresh
zypper install libwebp
Для openSUSE Leap 42.1 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:vjt:ifad/openSUSE_Leap_42.1/home:vjt:ifad.repo
zypper refresh
zypper install libwebp
Для openSUSE 13.2 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:vjt:ifad/openSUSE_13.2/home:vjt:ifad.repo
zypper refresh
zypper install libwebp
Для openSUSE 13.1 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:vjt:ifad/openSUSE_13.1/home:vjt:ifad.repo
zypper refresh
zypper install libwebp
Для openSUSE 11.4 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:vjt:ifad/openSUSE_11.4/home:vjt:ifad.repo
zypper refresh
zypper install libwebp