Gentoo's Bugzilla –
Attachment 854300 Details for
Bug 896218media-gfx/hp2xx-3.4.4-r3 fails to compile (MUSL-CLANG-SYSTEM): getopt.c:405:26: error: call to undeclared library function strcmp with type int (const char , const char ); ISO C99 and later do not support implicit function declarations [-Wimplicit-functi