Gentoo's Bugzilla –
Attachment 835689 Details for
Bug 882461app-editors/texworks-0.6.7 fails to compile (CLANG-STRICTER-SYSTEM): synctex_parser.c:8435:13: error: call to undeclared function vasprintf; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration]