AC_PREREQ([2.68])
AC_INIT(rlm_eap_pwd.c)
AC_REVISION($Revision$)
FR_INIT_MODULE([rlm_eap_pwd])

mod_ldflags=
mod_cflags=

if test x$with_[]modname != xno; then

	dnl ############################################################
	dnl # Check for command line options
	dnl ############################################################
	dnl extra argument: --with-openssl-lib-dir
	openssl_lib_dir=
	AC_ARG_WITH(openssl-lib-dir,
	[  --with-openssl-lib-dir=DIR       directory for LDAP library files []],
	[ case "$withval" in
	    no)
		AC_MSG_ERROR(Need openssl-lib-dir)
		;;
	    yes)
		;;
	    *)
		openssl_lib_dir="$withval"
		;;
	  esac ]
	)

	dnl extra argument: --with-openssl-include-dir
	openssl_include_dir=
	AC_ARG_WITH(openssl-include-dir,
	[  --with-openssl-include-dir=DIR   directory for LDAP include files []],
	[ case "$withval" in
	    no)
		AC_MSG_ERROR(Need openssl-include-dir)
		;;
	    yes)
		;;
	    *)
		openssl_include_dir="$withval"
		;;
	  esac ]
	)

	dnl ############################################################
	dnl # Check for header files
	dnl ############################################################

	smart_try_dir=$openssl_include_dir
	FR_SMART_CHECK_INCLUDE(openssl/ec.h)
	if test "$ac_cv_header_openssl_ec_h" != "yes"; then
	  fail="$fail openssl/ec.h"
	fi

	smart_try_dir=$openssl_lib_dir
        FR_SMART_CHECK_LIB(crypto, EVP_CIPHER_CTX_new)
        if test "x$ac_cv_lib_crypto_EVP_CIPHER_CTX_new" != "xyes"; then
	  fail="libssl"
        else
          AC_CHECK_FUNCS(EVP_sha256)
          if test "x$ac_cv_func_EVP_sha256" != "xyes"; then
            AC_MSG_WARN([EVP_sha256 not found, may have issues with WiMAX certificates])
	  fi

	  AC_CHECK_FUNCS(EC_GROUP_free)
	  if test "x$ac_cv_func_EC_GROUP_free" != "xyes"; then
	    fail="EC_GROUP_free"
	  fi
	fi

	targetname=modname
else
	targetname=
	echo \*\*\* module modname is disabled.
fi

if test x"$fail" != x""; then
	if test x"${enable_strict_dependencies}" = x"yes"; then
		AC_MSG_ERROR([set --without-]modname[ to disable it explicitly.])
	else
		AC_MSG_WARN([silently not building ]modname[.])
		AC_MSG_WARN([FAILURE: ]modname[ requires: $fail.])
		targetname=""
	fi
fi

AC_SUBST(mod_ldflags)
AC_SUBST(mod_cflags)
AC_SUBST(targetname)
AC_OUTPUT(all.mk)