www.pudn.com > bison.zip > configure.in

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)