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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("private.core.base.is_cross")
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)
opt = opt or {}
if is_cross(opt.plat, opt.arch) then
return
end
-- 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, libinfo may be empty body, but it's also valid
-- @see https://github.com/xmake-io/xmake/issues/3777#issuecomment-1568453316
local result = nil
if libinfo then
result = result or {}
result.includedirs = libinfo.includedirs
result.linkdirs = libinfo.linkdirs
result.links = libinfo.links
result.defines = libinfo.defines
result.cxflags = libinfo.cxflags
result.ldflags = libinfo.ldflags
result.shflags = libinfo.shflags
result.version = libinfo.version
end
-- find libfiles
if result and libinfo then
local libdirs = libinfo.linkdirs
if not libdirs then
local pcfile = pkgconfig.pcfile(name, opt)
if not pcfile and name:startswith("lib") then
pcfile = pkgconfig.pcfile(name:sub(4), opt)
end
if pcfile then
libdirs = path.directory(pcfile)
if path.filename(libdirs) == "pkgconfig" then
libdirs = path.directory(libdirs)
end
end
end
if libdirs and libinfo.links then
for _, link in ipairs(libinfo.links) do
local info = find_library(link, libdirs, {plat = opt.plat})
if info and info.linkdir and info.filename then
result.libfiles = result.libfiles or {}
table.insert(result.libfiles, path.join(info.linkdir, info.filename))
if info.kind then
result[info.kind] = true
end
end
end
end
if result.libfiles then
result.libfiles = table.unique(result.libfiles)
end
end
return result
end
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