Gentoo's Bugzilla –
Attachment 844841 Details for
Bug 888149[guru] x11-misc/gromit-mpx-1.4.3 fails to compile (CLANG-STRICTER-SYSTEM): gromit-mpx.c:862:14: error: call to undeclared function app_parse_args; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration]