Trying to build vala from git:

valagenieparser.c: In function ‘vala_genie_parser_expect’:
valagenieparser.c:2491:2: error: format not a string literal, argument types not checked [-Werror=format-nonliteral]
  _tmp15_ = g_error_new (VALA_PARSE_ERROR, VALA_PARSE_ERROR_SYNTAX, _tmp8_, _tmp10_, _tmp12_, _tmp14_);
  ^~~~~~~
valagenieparser.c: In function ‘vala_genie_parser_expect_terminator’:
valagenieparser.c:2530:2: error: format not a string literal, argument types not checked [-Werror=format-nonliteral]
  _tmp6_ = g_error_new (VALA_PARSE_ERROR, VALA_PARSE_ERROR_SYNTAX, _tmp3_, _tmp5_);
  ^~~~~~
valagenieparser.c: In function ‘vala_genie_parser_parse_declaration’:
valagenieparser.c:15765:2: error: format not a string literal, argument types not checked [-Werror=format-nonliteral]
  _tmp90_ = g_error_new (VALA_PARSE_ERROR, VALA_PARSE_ERROR_SYNTAX, _tmp85_, _tmp87_, _tmp89_);
  ^~~~~~~