File: lex.m4

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## Replacement for AC_PROG_LEX and AC_DECL_YYTEXT
## by Alexandre Oliva <oliva@dcc.unicamp.br>

dnl AM_PROG_LEX
dnl Look for flex, lex or missing, then run AC_PROG_LEX and AC_DECL_YYTEXT
AC_DEFUN([AM_PROG_LEX],
[AC_REQUIRE([AM_MISSING_HAS_RUN])
AC_CHECK_PROGS(LEX, flex lex, [${am_missing_run}flex])
AC_PROG_LEX
AC_DECL_YYTEXT])