--- /dev/null
+dnl Process this file with autoconf to produce a configure script.
+AC_INIT(opercmd.h)
+
+AC_CONFIG_HEADER(setup.h)
+
+dnl Checks for programs.
+AC_PROG_CC
+
+dnl Checks for libraries.
+
+dnl Checks for header files.
+AC_HEADER_STDC
+AC_CHECK_HEADERS(fcntl.h sys/time.h unistd.h)
+
+dnl Checks for typedefs, structures, and compiler characteristics.
+AC_C_CONST
+AC_TYPE_SIZE_T
+AC_HEADER_TIME
+AC_STRUCT_TM
+
+dnl Checks for library functions.
+AC_TYPE_SIGNAL
+AC_FUNC_STRFTIME
+AC_CHECK_FUNCS(select socket strdup strstr)
+
+AC_OUTPUT(Makefile)