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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("lib.detect.pkgconfig")
import("lib.detect.find_library")
import("package.manager.system.find_package", {alias = "find_package_from_system"})
-- find package from the pkg-config package manager
--
-- @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 {}
-- get library info
local libinfo = pkgconfig.libinfo(name, opt)
if not libinfo and name:startswith("lib") then
-- libxxx? attempt to find xxx without `lib` prefix
libinfo = pkgconfig.libinfo(name:sub(4), opt)
end
if not libinfo then
return
end
-- no linkdirs in pkg-config? attempt to find it from system directories
if libinfo.links and not libinfo.linkdirs then
local libinfo_sys = find_package_from_system(name, table.join(opt, {links = libinfo.links}))
if libinfo_sys then
libinfo.linkdirs = libinfo_sys.linkdirs
end
end
-- get result
local result = nil
if libinfo.links or libinfo.includedirs then
result = result or {}
result.includedirs = libinfo.includedirs
result.linkdirs = libinfo.linkdirs
result.links = libinfo.links
result.version = libinfo.version
end
return result
end
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