Subversion Repositories openrisc

dnl acinclude.m4 -- configure macros

dnl Copyright 2009 The Go Authors. All rights reserved.

dnl Use of this source code is governed by a BSD-style

dnl license that can be found in the LICENSE file.

dnl Go support--this could be in autoconf.

dnl This version is probably autoconf 2.64 specific.

AC_LANG_DEFINE([Go], [go], [GO], [],

[ac_ext=go

ac_compile='$GOC -c $GOCFLAGS conftest.$ac_ext >&AS_MESSAGE_LOG_FD'

ac_link='$GOC -o conftest$ac_exeext $GOCFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&AS_MESSAGE_LOG_FD'

ac_compile_gnu=yes

])

AU_DEFUN([AC_LANG_GO], [AC_LANG(Go)])

m4_define([AC_LANG_PROGRAM(Go)],

[package main

$1

func main() {

$2

}])

m4_define([AC_LANG_IO_PROGRAM(Go)],

[AC_LANG_PROGRAM([import "os"],

[if f, err := os.Open("conftest.out", os.O_WRONLY), err != nil {

        os.Exit(1);

 }

 if err := f.Close(); err != nil {

        os.Exit(1);

 }

 os.Exit(0);

])])

m4_define([AC_LANG_CALL(Go)],

[AC_LANG_PROGRAM([$1

m4_if([$2], [main], ,

[func $2();])],[$2();])])

m4_define([AC_LANG_FUNC_LINK_TRY(Go)],

[AC_LANG_PROGRAM(

[func $1() int;

var f := $1;

], [return f();])])

m4_define([AC_LANG_BOOL_COMPILE_TRY(Go)],

[AC_LANG_PROGRAM([$1], [var test_array @<:@1 - 2 * !($2)@:>@;

test_array @<:@0@:>@ = 0

])])

m4_define([AC_LANG_INT_SAVE(Go)],

[AC_LANG_PROGRAM([$1

import os

func longval() long { return $2 }

func ulongval() ulong { return $2 }],

[panic("unimplemented")])])

AC_DEFUN([AC_LANG_COMPILER(Go)],

[AC_REQUIRE([AC_PROG_GO])])

AN_MAKEVAR([GOC], [AC_PROG_GO])

AN_PROGRAM([gccgo], [AC_PROG_GO])

AC_DEFUN([AC_PROG_GO],

[AC_LANG_PUSH(Go)dnl

AC_ARG_VAR([GOC],   [Go compiler command])dnl

AC_ARG_VAR([GOCFLAGS], [Go compiler flags])dnl

_AC_ARG_VAR_LDFLAGS()dnl

m4_ifval([$1],

      [AC_CHECK_TOOLS(GOC, [$1])],

[AC_CHECK_TOOL(GOC, gccgo)

if test -z "$GOC"; then

  if test -n "$ac_tool_prefix"; then

    AC_CHECK_PROG(GOC, [${ac_tool_prefix}gccgo], [$ac_tool_prefix}gccgo])

  fi

fi

if test -z "$GOC"; then

  AC_CHECK_PROG(GOC, gccgo, gccgo, , , gccgo)

fi

])

# Provide some information about the compiler.

_AS_ECHO_LOG([checking for _AC_LANG compiler version])

set X $ac_compile

ac_compiler=$[2]

_AC_DO_LIMIT([$ac_compiler --version >&AS_MESSAGE_LOG_FD])

m4_expand_once([_AC_COMPILER_EXEEXT])[]dnl

m4_expand_once([_AC_COMPILER_OBJEXT])[]dnl

GOCFLAGS="-g -O2"

AC_LANG_POP(Go)dnl

])# AC_PROG_GO