93 lines
2.2 KiB
Plaintext
93 lines
2.2 KiB
Plaintext
dnl acinclude.m4 -- configure macros
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dnl Copyright 2009 The Go Authors. All rights reserved.
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dnl Use of this source code is governed by a BSD-style
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dnl license that can be found in the LICENSE file.
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dnl Go support--this could be in autoconf.
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dnl This version is probably autoconf 2.64 specific.
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AC_LANG_DEFINE([Go], [go], [GO], [],
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[ac_ext=go
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ac_compile='$GOC -c $GOCFLAGS conftest.$ac_ext >&AS_MESSAGE_LOG_FD'
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ac_link='$GOC -o conftest$ac_exeext $GOCFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&AS_MESSAGE_LOG_FD'
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ac_compile_gnu=yes
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])
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AU_DEFUN([AC_LANG_GO], [AC_LANG(Go)])
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m4_define([AC_LANG_PROGRAM(Go)],
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[package main
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$1
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func main() {
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$2
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}])
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m4_define([AC_LANG_IO_PROGRAM(Go)],
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[AC_LANG_PROGRAM([import "os"],
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[if f, err := os.Open("conftest.out", os.O_WRONLY), err != nil {
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os.Exit(1);
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}
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if err := f.Close(); err != nil {
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os.Exit(1);
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}
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os.Exit(0);
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])])
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m4_define([AC_LANG_CALL(Go)],
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[AC_LANG_PROGRAM([$1
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m4_if([$2], [main], ,
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[func $2();])],[$2();])])
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m4_define([AC_LANG_FUNC_LINK_TRY(Go)],
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[AC_LANG_PROGRAM(
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[func $1() int;
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var f := $1;
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], [return f();])])
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m4_define([AC_LANG_BOOL_COMPILE_TRY(Go)],
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[AC_LANG_PROGRAM([$1], [var test_array @<:@1 - 2 * !($2)@:>@;
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test_array @<:@0@:>@ = 0
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])])
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m4_define([AC_LANG_INT_SAVE(Go)],
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[AC_LANG_PROGRAM([$1
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import os
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func longval() long { return $2 }
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func ulongval() ulong { return $2 }],
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[panic("unimplemented")])])
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AC_DEFUN([AC_LANG_COMPILER(Go)],
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[AC_REQUIRE([AC_PROG_GO])])
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AN_MAKEVAR([GOC], [AC_PROG_GO])
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AN_PROGRAM([gccgo], [AC_PROG_GO])
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AC_DEFUN([AC_PROG_GO],
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[AC_LANG_PUSH(Go)dnl
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AC_ARG_VAR([GOC], [Go compiler command])dnl
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AC_ARG_VAR([GOCFLAGS], [Go compiler flags])dnl
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_AC_ARG_VAR_LDFLAGS()dnl
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m4_ifval([$1],
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[AC_CHECK_TOOLS(GOC, [$1])],
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[AC_CHECK_TOOL(GOC, gccgo)
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if test -z "$GOC"; then
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if test -n "$ac_tool_prefix"; then
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AC_CHECK_PROG(GOC, [${ac_tool_prefix}gccgo], [$ac_tool_prefix}gccgo])
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fi
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fi
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if test -z "$GOC"; then
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AC_CHECK_PROG(GOC, gccgo, gccgo, , , gccgo)
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fi
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])
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# Provide some information about the compiler.
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_AS_ECHO_LOG([checking for _AC_LANG compiler version])
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set X $ac_compile
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ac_compiler=$[2]
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_AC_DO_LIMIT([$ac_compiler --version >&AS_MESSAGE_LOG_FD])
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m4_expand_once([_AC_COMPILER_EXEEXT])[]dnl
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m4_expand_once([_AC_COMPILER_OBJEXT])[]dnl
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GOCFLAGS="-g -O2"
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AC_LANG_POP(Go)dnl
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])# AC_PROG_GO
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