compilation failure on Arch Linux

[nyuichi]

$ make
cd src; \
  yacc -d parse.y; \
  lex scan.l
parse.y: 30.1-12: 警告: deprecated directive, use `%pure-parser` [-Wdeprecated] %pure_parser
 ^^^^^^^^^^^^^
flex: Can't use --reentrant or --bison-bridge with -l option
Makefile:24:  recipe for target 'build-lib' failed
$

$ lex --version
2.5.37
$ yacc --version
bison 3.0