configure.in

bison源代码.bison 是替代yacc的语法分析程序生成器. yacc是 Yet Another Compiler Compiler的缩写. bison又是什么呐 是一个生成可以分析文本文件结构

dnl Process this file with autoconf to produce a configure script.
AC_INIT(reduce.c)

dnl Checks for programs.
AC_PROG_CC
AC_PROG_INSTALL

AC_MINIX
AC_ISC_POSIX

dnl Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS(string.h stdlib.h memory.h)

dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST

dnl Checks for library functions.
AC_FUNC_ALLOCA
AC_CHECK_FUNCS(strerror)

AC_OUTPUT(Makefile)