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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.find_file")
import("lib.detect.find_path")
import("lib.detect.find_library")
import("lib.detect.pkgconfig")
import("detect.sdks.find_xcode")
import("core.project.config")
-- find package
function _find_package(name, links, linkdirs, includedirs, opt)
-- find library
local result = nil
for _, link in ipairs(links) do
local libinfo = find_library(link, linkdirs, {plat = opt.plat})
if libinfo then
result = result or {}
result.links = table.join(result.links or {}, libinfo.link)
result.linkdirs = table.join(result.linkdirs or {}, libinfo.linkdir)
end
end
-- find includes
if opt.includes then
for _, include in ipairs(opt.includes) do
local includedir = find_path(include, includedirs)
if includedir then
result = result or {}
result.includedirs = table.join(result.includedirs or {}, includedir)
end
end
for _, include in ipairs({name .. "/" .. name .. ".h", name .. ".h"}) do
local includedir = find_path(include, includedirs)
if includedir then
result = result or {}
result.includedirs = table.join(result.includedirs or {}, includedir)
break
end
end
elseif result and result.links and opt.includedirs then
result.includedirs = opt.includedirs
end
return result
end
-- find package from the environment variables
-- @see https://github.com/xmake-io/xmake/issues/1776
--
function _find_package_from_envs(name, links, opt)
-- add default search includedirs on pc host
local includedirs = table.wrap(opt.includedirs)
if #includedirs == 0 then
if opt.plat == "windows" then
table.insert(includedirs, "$(env INCLUDE)")
else
table.insert(includedirs, "$(env CPATH)")
table.insert(includedirs, "$(env C_INCLUDE_PATH)")
table.insert(includedirs, "$(env CPLUS_INCLUDE_PATH)")
end
end
-- add default search linkdirs on pc host
local linkdirs = table.wrap(opt.linkdirs)
if #linkdirs == 0 then
if opt.plat == "windows" then
table.insert(linkdirs, "$(env LIB)")
else
table.insert(linkdirs, "$(env LIBRARY_PATH)")
end
end
return _find_package(name, links, linkdirs, includedirs, opt)
end
-- find package from the unix-like system directories
function _find_package_from_unixdirs(name, links, opt)
-- add default search includedirs on pc host
local includedirs = table.wrap(opt.includedirs)
if #includedirs == 0 then
if opt.plat == "linux" or opt.plat == "macosx" then
table.insert(includedirs, "/usr/local/include")
table.insert(includedirs, "/usr/include")
table.insert(includedirs, "/opt/local/include")
table.insert(includedirs, "/opt/include")
end
end
-- add default search linkdirs on pc host
local linkdirs = table.wrap(opt.linkdirs)
if #linkdirs == 0 then
if opt.plat == "linux" or opt.plat == "macosx" then
table.insert(linkdirs, "/usr/local/lib")
table.insert(linkdirs, "/usr/lib")
table.insert(linkdirs, "/opt/local/lib")
table.insert(linkdirs, "/opt/lib")
if opt.plat == "linux" and opt.arch == "x86_64" then
table.insert(linkdirs, "/usr/local/lib/x86_64-linux-gnu")
table.insert(linkdirs, "/usr/lib/x86_64-linux-gnu")
table.insert(linkdirs, "/usr/lib64")
table.insert(linkdirs, "/opt/lib64")
end
end
end
return _find_package(name, links, linkdirs, includedirs, opt)
end
-- find package from the xcode directories
function _find_package_from_xcodedirs(name, links, opt)
-- find xcode first
local xcode = find_xcode(config.get("xcode"), {plat = opt.plat, arch = opt.arch})
if not xcode then
return
end
-- get sdk root directory
local platname = nil
if opt.plat == "macosx" then
platname = "MacOSX"
elseif opt.plat == "iphoneos" then
platname = (opt.arch == "i386" or opt.arch == "x86_64") and "iPhoneSimulator" or "iPhoneOS"
elseif opt.plat == "watchos" then
platname = opt.arch == "i386" and "WatchSimulator" or "WatchOS"
end
local sdk_rootdir = format("%s/Contents/Developer/Platforms/%s.platform/Developer/SDKs/%s%s.sdk", xcode.sdkdir, platname, platname, xcode.sdkver)
-- init include and link directories
local linkdirs = {path.join(sdk_rootdir, "usr", "lib")}
local includedirs = {path.join(sdk_rootdir, "usr", "include")}
-- find library
local result = nil
for _, link in ipairs(links) do
if find_file("lib" .. link .. ".tbd", linkdirs) then
result = result or {}
result.links = table.join(result.links or {}, link)
end
end
if result then
-- we need not add linkdirs again if we are building target on the current platform (with -isysroot)
if config.plat() ~= opt.plat or config.arch() ~= opt.arch then
result.linkdirs = linkdirs
result.includedirs = includedirs
end
end
return result
end
-- 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 {}
-- attempt to get links from pkg-config
local pkginfo = nil
local version = nil
local links = table.wrap(opt.links)
if #links == 0 then
pkginfo = pkgconfig.libinfo(name)
if pkginfo then
links = table.wrap(pkginfo.links)
version = pkginfo.version
end
end
-- uses name as links directly e.g. libname.a
if #links == 0 then
links = table.wrap(name)
end
-- init finders
local finders = {}
if opt.plat == os.host() and opt.arch == os.arch() then
if opt.plat ~= "windows" then
table.insert(finders, _find_package_from_unixdirs)
end
table.insert(finders, _find_package_from_envs)
end
if opt.plat == "macosx" or opt.plat == "iphoneos" or opt.plat == "watchos" then
table.insert(finders, _find_package_from_xcodedirs)
end
-- find package
for _, finder in ipairs(finders) do
local result = finder(name, links, opt)
if result ~= nil then
-- save version
if version then
result.version = version
end
return result
end
end
-- not found? only add links
if not result and pkginfo and pkginfo.links then
return {links = pkginfo.links}
end
end
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