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#serial 1
# Check for flex.
AC_DEFUN([gt_PROG_LEX],
[
dnl Don't use AC_PROG_LEX or AM_PROG_LEX; we insist on flex.
dnl Thus we don't need LEXLIB.
AC_CHECK_PROG(LEX, flex, flex, :)
dnl The next line is a workaround against an automake warning.
undefine([AC_DECL_YYTEXT])
dnl Replacement for AC_DECL_YYTEXT.
LEX_OUTPUT_ROOT=lex.yy
AC_SUBST(LEX_OUTPUT_ROOT)
])
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