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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, TBOOX Open Source Group.
--
-- @author ruki
-- @file find_package.lua
--
-- imports
import("core.base.option")
import("core.project.config")
import("core.project.target")
import("lib.detect.find_tool")
import("package.manager.pkgconfig.find_package", {alias = "find_package_from_pkgconfig"})
-- find package
function _find_package(dpkg, name, opt)
local result = nil
local pkgconfig_files = {}
local listinfo = try {function () return os.iorunv(dpkg.program, {"--listfiles", name}) end}
if listinfo then
for _, line in ipairs(listinfo:split('\n', {plain = true})) do
line = line:trim()
-- get includedirs
local pos = line:find("include/", 1, true)
if pos then
-- we need not add includedirs, gcc/clang will use /usr/ as default sysroot
result = result or {}
end
-- get pc files
if line:find("/pkgconfig/", 1, true) and line:endswith(".pc") then
table.insert(pkgconfig_files, line)
end
-- get linkdirs and links
if line:endswith(".a") or line:endswith(".so") then
result = result or {}
result.links = result.links or {}
result.linkdirs = result.linkdirs or {}
result.libfiles = result.libfiles or {}
table.insert(result.linkdirs, path.directory(line))
table.insert(result.links, target.linkname(path.filename(line), {plat = opt.plat}))
table.insert(result.libfiles, path.join(path.directory(line), path.filename(line)))
end
end
end
-- we iterate over each pkgconfig file to extract the required data
local foundpc = false
local pcresult = {includedirs = {}, linkdirs = {}, links = {}}
for _, pkgconfig_file in ipairs(pkgconfig_files) do
local pkgconfig_dir = path.directory(pkgconfig_file)
local pkgconfig_name = path.basename(pkgconfig_file)
local pcinfo = find_package_from_pkgconfig(pkgconfig_name, {configdirs = pkgconfig_dir, linkdirs = linkdirs})
-- the pkgconfig file has been parse successfully
if pcinfo then
for _, includedir in ipairs(pcinfo.includedirs) do
table.insert(pcresult.includedirs, includedir)
end
for _, linkdir in ipairs(pcinfo.linkdirs) do
table.insert(pcresult.linkdirs, linkdir)
end
for _, link in ipairs(pcinfo.links) do
table.insert(pcresult.links, link)
end
-- version should be the same if a pacman package contains multiples .pc
pcresult.version = pcinfo.version
foundpc = true
end
end
if foundpc == true then
pcresult.includedirs = table.unique(pcresult.includedirs)
pcresult.linkdirs = table.unique(pcresult.linkdirs)
pcresult.links = table.reverse_unique(pcresult.links)
result = pcresult
end
-- meta/alias package? e.g. libboost-dev -> libboost1.74-dev
-- @see https://github.com/xmake-io/xmake/issues/1786
if not result then
local statusinfo = try {function () return os.iorunv(dpkg.program, {"--status", name}) end}
if statusinfo then
for _, line in ipairs(statusinfo:split("\n", {plain = true})) do
-- parse depends, e.g. Depends: libboost1.74-dev
if line:startswith("Depends:") then
local depends = line:sub(9):split("%s+")
if #depends == 1 then
return _find_package(dpkg, depends[1], opt)
end
break
end
end
end
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
-- find package using the dpkg package manager
--
-- @param name the package name
-- @param opt the options, e.g. {verbose = true, 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 dpkg
local dpkg = find_tool("dpkg")
if not dpkg then
return
end
-- find package
return _find_package(dpkg, name, opt)
end
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