Gentoo's Bugzilla –
Attachment 855800 Details for
Bug 898922x11-plugins/wmDownload-0.1.2a-r3 fails to compile (MUSL-CLANG-SYSTEM): wmDownload.c:208:14: error: call to undeclared function strtouq; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]