1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
--!A cross-platform build utility based on Lua
--
-- Licensed under the Apache License, Version 2.0 (the "License");
-- you may not use this file except in compliance with the License.
-- You may obtain a copy of the License at
--
-- http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
--
-- Copyright (C) 2015-present, Xmake Open Source Community.
--
-- @author ruki
-- @file emcc.lua
--
-- inherit gcc
inherit("gcc")
-- make the optimize flag
--
-- same options must be used at compile and link, @see https://github.com/xmake-io/xmake/issues/2455
-- https://emscripten.org/docs/compiling/Building-Projects.html?highlight=optimization#building-projects-optimizations
function nf_optimize(self, level)
local maps = {
none = "-O0"
, fast = "-O1"
, faster = "-O2"
, fastest = "-O3"
, smallest = "-Os"
, aggressive = "-O3"
}
return maps[level]
end
-- make the strip flag
function nf_strip(self, level)
end
-- make the rpathdir flag
function nf_rpathdir(self, dir)
end
-- make the symbol flag
function nf_symbol(self, level)
local kind = self:kind()
if kind == "ld" or kind == "sh" then
-- emscripten requires -g when linking to map JS/wasm code back to original source
if level == "debug" then
return "-g"
end
end
return _super.nf_symbol(self, level)
end
-- make the link arguments list
function linkargv(self, objectfiles, targetkind, targetfile, flags, opt)
-- init arguments
opt = opt or {}
local argv = table.join("-o", targetfile, objectfiles, flags)
if is_host("windows") and not opt.rawargs then
argv = winos.cmdargv(argv, {escape = true})
end
return self:program(), argv
end
|
