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--!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 find_package.lua
--
-- imports
import("core.base.json")
import("core.base.option")
import("core.project.config")
import("core.project.target")
import("lib.detect.find_tool")
-- get conda prefix directory
function _conda_prefixdir(conda)
local prefixdir = _g.prefixdir
if prefixdir == nil then
prefixdir = os.getenv("CONDA_PREFIX")
if not prefixdir then
local info = try {function () return os.iorunv(conda.program, {"info"}) end}
if info then
for _, line in ipairs(info:split('\n', {plain = true})) do
if line:find("base environment") then
prefixdir = line:match("ase environment : (.-) %(writable%)")
if prefixdir then
prefixdir = prefixdir:trim()
end
break
end
end
end
end
_g.prefixdir = prefixdir
end
return prefixdir
end
-- find package using the conda package manager
--
-- @param name the package name
-- @param opt the options, e.g. {verbose = true, require_version = "1.12.0")
--
function main(name, opt)
-- check
opt = opt or {}
if not is_host(opt.plat) or os.arch() ~= opt.arch then
return
end
-- find conda
local conda = find_tool("conda")
if not conda then
return
end
-- find package
local version, build
local listinfo = try {function () return os.iorunv(conda.program, {"list", name}) end}
if listinfo then
for _, line in ipairs(listinfo:split('\n', {plain = true})) do
if line:startswith(name) then
version, build = listinfo:match(name .. "%s-([%w%.%d%-%+]+)%s-([%w%d_]+)")
if version and build then
break
end
end
end
end
if not version or not build then
return
end
if opt.require_version and opt.require_version:find('.', 1, true) and opt.require_version ~= version then
return
end
-- get meta info of package
-- e.g. ~/miniconda2/conda-meta/libpng-1.6.37-ha441bb4_0.json
local prefixdir = _conda_prefixdir(conda)
if not prefixdir then
return
end
local metafile = path.join(prefixdir, "conda-meta", name .. "-" .. version .. "-" .. build .. ".json")
if not os.isfile(metafile) then
return
end
local metainfo = json.loadfile(metafile)
if not metainfo or not metainfo.extracted_package_dir then
return
end
-- save includedirs, linkdirs and links
local result = nil
local packagedir = metainfo.extracted_package_dir
for _, line in ipairs(metainfo.files) do
line = line:trim()
-- get includedirs
local pos = line:find("include/", 1, true)
if pos then
result = result or {}
result.includedirs = result.includedirs or {}
table.insert(result.includedirs, path.join(packagedir, line:sub(1, pos + 7)))
end
-- get linkdirs and links
if line:endswith(".lib") or line:endswith(".a") or line:endswith(".so") or line:endswith(".dylib") then
result = result or {}
result.links = result.links or {}
result.linkdirs = result.linkdirs or {}
result.libfiles = result.libfiles or {}
table.insert(result.linkdirs, path.join(packagedir, path.directory(line)))
table.insert(result.links, target.linkname(path.filename(line), {plat = opt.plat}))
table.insert(result.libfiles, path.join(packagedir, path.directory(line), path.filename(line)))
end
-- add shared library directory (/bin/) to linkdirs for running with PATH on windows
if opt.plat == "windows" and line:endswith(".dll") then
result = result or {}
result.linkdirs = result.linkdirs or {}
result.libfiles = result.libfiles or {}
table.insert(result.linkdirs, path.join(packagedir, path.directory(line)))
table.insert(result.libfiles, path.join(packagedir, path.directory(line), path.filename(line)))
end
end
-- save version
if result then
result.version = metainfo.version or version
end
-- remove repeat
if result then
if result.links then
result.links = table.unique(result.links)
end
if result.linkdirs then
result.linkdirs = table.unique(result.linkdirs)
end
if result.includedirs then
result.includedirs = table.unique(result.includedirs)
end
end
return result
end
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