dev-libs/gobject-introspection-0.10.8 is missing sys-devel/bison dependency. checking for pkg-config... /usr/bin/pkg-config checking pkg-config is at least version 0.9.0... yes checking for flex... flex checking lex output file root... lex.yy checking lex library... -lfl checking whether yytext is a pointer... yes checking for bison... no configure: error: bison not found but required Reproducible: Always
virtual/yacc is available to DEPEND upon now
Same here. hat to emerge bison first, now worked.
Fixed in the tree, thanks for reporting!