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
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
|
--!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, TBOOX Open Source Group.
--
-- @author ruki
-- @file find_cuda.lua
--
-- imports
import("lib.detect.find_file")
import("core.base.option")
import("core.base.global")
import("core.project.config")
import("core.cache.detectcache")
-- find cuda sdk directory
function _find_sdkdir()
-- init the search directories
local paths = {}
if os.host() == "macosx" then
table.insert(paths, "/Developer/NVIDIA/CUDA/bin")
table.insert(paths, "/Developer/NVIDIA/CUDA*/bin")
elseif os.host() == "windows" then
table.insert(paths, "$(env CUDA_PATH)/bin")
else
-- find from default symbol link dir
table.insert(paths, "/usr/local/cuda/bin")
table.insert(paths, "/usr/local/cuda*/bin")
end
table.insert(paths, "$(env PATH)")
-- attempt to find nvcc
local nvcc = find_file(os.host() == "windows" and "nvcc.exe" or "nvcc", paths)
if nvcc then
return path.directory(path.directory(nvcc))
end
end
-- find cuda sdk toolchains
function _find_cuda(sdkdir)
-- find cuda directory
if not sdkdir or not os.isdir(sdkdir) then
sdkdir = _find_sdkdir()
end
-- not found?
if not sdkdir or not os.isdir(sdkdir) then
return nil
end
-- get the bin directory
local bindir = path.join(sdkdir, "bin")
if not os.isexec(path.join(bindir, "nvcc")) then
return nil
end
-- get linkdirs
local linkdirs = {}
if is_plat("windows") then
local subdir = is_arch("x64") and "x64" or "Win32"
table.insert(linkdirs, path.join(sdkdir, "lib", subdir))
elseif is_plat("linux") and is_arch("x86_64") then
table.insert(linkdirs, path.join(sdkdir, "lib64", "stubs"))
table.insert(linkdirs, path.join(sdkdir, "lib64"))
else
table.insert(linkdirs, path.join(sdkdir, "lib", "stubs"))
table.insert(linkdirs, path.join(sdkdir, "lib"))
end
-- get includedirs
local includedirs = {path.join(sdkdir, "include")}
-- get toolchains
return {sdkdir = sdkdir, bindir = bindir, linkdirs = linkdirs, includedirs = includedirs}
end
-- find cuda sdk toolchains
--
-- @param sdkdir the cuda sdk directory
-- @param opt the argument options
--
-- @return the cuda sdk toolchains. e.g. {sdkdir = ..., bindir = .., linkdirs = ..., includedirs = ..., .. }
--
-- @code
--
-- local toolchains = find_cuda("/Developer/NVIDIA/CUDA-9.1")
--
-- @endcode
--
function main(sdkdir, opt)
-- init arguments
opt = opt or {}
-- attempt to load cache first
local key = "detect.sdks.find_cuda"
local cacheinfo = detectcache:get(key) or {}
if not opt.force and cacheinfo.cuda and cacheinfo.cuda.sdkdir and os.isdir(cacheinfo.cuda.sdkdir) then
return cacheinfo.cuda
end
-- find cuda
local cuda = _find_cuda(sdkdir or config.get("cuda") or global.get("cuda") or config.get("sdk"))
if cuda then
-- save to config
config.set("cuda", cuda.sdkdir, {force = true, readonly = true})
-- trace
if opt.verbose or option.get("verbose") then
cprint("checking for Cuda SDK directory ... ${color.success}%s", cuda.sdkdir)
end
else
-- trace
if opt.verbose or option.get("verbose") then
cprint("checking for Cuda SDK directory ... ${color.nothing}${text.nothing}")
end
end
-- save to cache
cacheinfo.cuda = cuda or false
detectcache:set(key, cacheinfo)
detectcache:save()
return cuda
end
|
