else
	AC_CHECK_TOOL([AR], [ar], [false])
	AC_CHECK_TOOL([RANLIB], [ranlib], [:])
	EXTENSION_TARGET="tcltls.a"
fi
AC_SUBST(EXTENSION_TARGET)
AC_SUBST(TCLEXT_BUILD)

dnl Determine what SSL library to link with
AC_ARG_WITH([ssl], AS_HELP_STRING([--with-ssl], [name of ssl library to build against (openssl, libressl, nss, auto)]), [
	if test "$withval" = "no"; then
		AC_MSG_ERROR([You may not specify --without-ssl])
	fi

	if test "$withval" = "yes"; then
		AC_MSG_ERROR([If you specify --with-ssl then you must provide a value])
	fi

	tcltls_ssl_lib="$withval"
], [
	tcltls_ssl_lib='auto'
])

dnl XXX:TODO: Automatically determine the SSL library to use
dnl           defaulting to OpenSSL for compatibility reasons
if test "$tcltls_ssl_lib" = 'auto'; then
	tcltls_ssl_lib='openssl'
fi

AC_MSG_CHECKING([which TLS library to use])
AS_CASE([$tcltls_ssl_lib],
	[openssl], [
		AC_MSG_RESULT([openssl])
	],
	[libressl], [
		AC_MSG_RESULT([libressl])
	],
	[nss], [
		AC_MSG_RESULT([nss])
	],
	[
		AC_MSG_ERROR([Unsupported SSL library: $tcltls_ssl_lib])
	]
)


dnl Produce output
AC_OUTPUT(Makefile pkgIndex.tcl)