openssl/demos/tunala/configure.in

dnl Process this file with autoconf to produce a configure script.
AC_INIT(tunala.c)
AM_CONFIG_HEADER(config.h)
AM_INIT_AUTOMAKE(tunala, 0.0.1-dev)

dnl Checks for programs. (Though skip libtool)
AC_PROG_CC
dnl AC_PROG_LIBTOOL
dnl AM_PROG_LIBTOOL

dnl Checks for libraries.
AC_CHECK_LIB(dl, dlopen)
AC_CHECK_LIB(z, inflate)
AC_CHECK_LIB(socket, socket)
AC_CHECK_LIB(nsl, gethostbyname)

dnl Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS(fcntl.h limits.h unistd.h)

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

dnl Checks for library functions.
AC_CHECK_FUNCS(strstr strtoul)
AC_CHECK_FUNCS(select socket)
AC_CHECK_FUNCS(dlopen)

AC_OUTPUT(Makefile)