Gentoo's Bugzilla –
Attachment 844347 Details for
Bug 887643[guru] games-action/netrek-brmh-2.6.0 fails to compile (CLANG-STRICTER-SYSTEM): death.c:33:13: error: type specifier missing, defaults to int; ISO C99 and later do not support implicit int [-Werror,-Wimplicit-int]