Launchpad currently recommends translating gcc-7 in Ubuntu Mantic.

Template "cpplib" in Ubuntu Mantic package "gcc-7"

Language Status Untranslated Need review Changed Last Edited By
Cherokee 100.00  100.0% untranslated 213 213 0 0
Dakota 100.00  100.0% untranslated 213 213 0 0
Hawaiian 100.00  100.0% untranslated 213 213 0 0
Inuktitut 100.00  100.0% untranslated 213 213 0 0
Lakota 100.00  100.0% untranslated 213 213 0 0
Louisiana French 100.00  100.0% untranslated 213 213 0 0
Ojibwe 100.00  100.0% untranslated 213 213 0 0
Pennsylvania German 100.00  100.0% untranslated 213 213 0 0
Spanish 000.00  100.0% translated 0 28 28 0 2019-07-06 00:01:03 UTC Cristian Othón Martíne...
Tlingit 100.00  100.0% untranslated 213 213 0 0
Yiddish 100.00  100.0% untranslated 213 213 0 0
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Template "gcc" in Ubuntu Mantic package "gcc-7"

Language Status Untranslated Need review Changed Last Edited By
Cherokee 100.00  100.0% untranslated 12372 12372 0 0
Dakota 100.00  100.0% untranslated 12372 12372 0 0
Hawaiian 100.00  100.0% untranslated 12372 12372 0 0
Inuktitut 100.00  100.0% untranslated 12372 12372 0 0
Lakota 100.00  100.0% untranslated 12372 12372 0 0
Louisiana French 100.00  100.0% untranslated 12372 12372 0 0
Ojibwe 100.00  100.0% untranslated 12372 12372 0 0
Pennsylvania German 100.00  100.0% untranslated 12372 12372 0 0
Spanish 020.47  79.52634982217911% translated  20.473650177820886% untranslated 2533 2533 0 0 2019-07-06 00:02:44 UTC Antonio Ceballos Roa
Tlingit 100.00  100.0% untranslated 12372 12372 0 0
Yiddish 100.00  100.0% untranslated 12372 12372 0 0
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Template "libstdc++" in Ubuntu Mantic package "gcc-7"

Language Status Untranslated Need review Changed Last Edited By
Cherokee 100.00  100.0% untranslated 10 10 0 0
Dakota 100.00  100.0% untranslated 10 10 0 0
Hawaiian 100.00  100.0% untranslated 10 10 0 0
Inuktitut 100.00  100.0% untranslated 10 10 0 0
Lakota 100.00  100.0% untranslated 10 10 0 0
Louisiana French 100.00  100.0% untranslated 10 10 0 0
Ojibwe 100.00  100.0% untranslated 10 10 0 0
Pennsylvania German 100.00  100.0% untranslated 10 10 0 0
Spanish 000.00  100.0% translated 0 0 0 2017-07-18 17:49:57 UTC
Tlingit 100.00  100.0% untranslated 10 10 0 0
Yiddish 100.00  100.0% untranslated 10 10 0 0
[ Change your preferred languages... View template & all languages... ]
Key to this table: “Unchanged” means Translated
and “untranslated” means just that, Untranslated

Other versions of gcc-7 in Ubuntu