lex.m4

LINUX下的源码工具,可自己分析,或者直接装在系统上作为应用

## Replacement for AC_PROG_LEX and AC_DECL_YYTEXT
## by Alexandre Oliva <[e-mail]>

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,
[missing_dir=ifelse([$1],,`cd $ac_aux_dir && pwd`,$1)
AC_CHECK_PROGS(LEX, flex lex, "$missing_dir/missing flex")
AC_PROG_LEX
AC_DECL_YYTEXT])