j'arrive pas a installer tkgate
tkgate-1.8.6]$ ./configure
C compiler: gcc
Auto-configuring language to 'en' (LANG=fr_FR).
Tcl/Tk Version: 8.4
Configuring for Western language support.
Tcl script files found in: /usr/lib/tcl8.4
Tk script files found in: /usr/lib/tk8.4
which: no bison in (/usr/bin:/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin/:/usr/games:/home/sy3ns/bin:.)
yacc found
which: no flex in (/usr/bin:/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin/:/usr/games:/home/sy3ns/bin:.)
which: no lex in (/usr/bin:/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin/:/usr/games:/home/sy3ns/bin:.)
ERROR: Can't find flex or lex!
tkgate-1.8.6]$