dnl Process this file with autoconf to produce a configure script.
AC_INIT(reduce.c)
+AM_INIT_AUTOMAKE(bison,1.25.90)
+AM_CONFIG_HEADER(config.h:config.hin)
+
+dnl Checks for programs.
AC_PROG_CC
-AC_PROG_CPP
AC_PROG_INSTALL
-AC_CONST
+AC_PROG_RANLIB
+
AC_MINIX
AC_ISC_POSIX
-AC_STDC_HEADERS
-AC_HAVE_HEADERS(string.h stdlib.h memory.h)
-AC_HAVE_FUNCS(strerror)
-AC_ALLOCA
+
+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_OUTPUT(Makefile)