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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("lib.detect.find_tool")
import("package.manager.pkgconfig.find_package", {alias = "find_package_from_pkgconfig"})
-- find package from the system directories
--
-- @param name the package name
-- @param opt the options, e.g. {verbose = true, version = "1.12.x")
--
function main(name, opt)
-- init options
opt = opt or {}
-- find pacman
local pacman = find_tool("pacman")
if not pacman then
return
end
-- for msys2/mingw? mingw-w64-[i686|x86_64]-xxx
if opt.plat == "mingw" then
name = (opt.arch == "x86_64" and "mingw-w64-x86_64-" or "mingw-w64-i686-") .. name
end
-- get package files list
local list = try { function() return os.iorunv(pacman.program, {"-Q", "-l", name}) end }
if not list then
return
end
-- parse package files list
local pkgconfig_dir = nil
local pkgconfig_name = nil
local linkdirs = {}
local has_includes = false
for _, line in ipairs(list:split('\n', {plain = true})) do
line = line:trim():split('%s+')[2]
if not pkgconfig_dir and line:find("/pkgconfig/", 1, true) and line:endswith(".pc") then
pkgconfig_dir = path.directory(line)
pkgconfig_name = path.basename(line)
end
if line:endswith(".so") or line:endswith(".a") or line:endswith(".lib") then
table.insert(linkdirs, path.directory(line))
elseif line:find("/include/", 1, true) and (line:endswith(".h") or line:endswith(".hpp")) then
has_includes = true
end
end
-- find package
local result = nil
if pkgconfig_dir then
linkdirs = table.unique(linkdirs)
includedirs = table.unique(includedirs)
result = find_package_from_pkgconfig(pkgconfig_name or name, {configdirs = pkgconfig_dir, linkdirs = linkdirs})
if not result and has_includes then
-- header only and hidden /usr/include? we need only return empty {}
result = {}
end
end
return result
end
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