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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, Xmake Open Source Community.
--
-- @author ruki
-- @file find_pcre2.lua
--
-- imports
import("package.manager.find_package")
-- find pcre2
--
-- @param opt the package options. e.g. see the options of find_package()
--
-- @return see the return value of find_package()
--
function main(opt)
-- find package by the builtin script
local result = opt.find_package("pcre2", opt)
-- find package from the homebrew package manager
if not result and opt.plat == os.host() and opt.arch == os.arch() then
for _, width in ipairs({"8", "16", "32"}) do
result = find_package("brew::pcre2/libpcre2-" .. width, opt)
if result then
break
end
end
end
-- patch PCRE2_CODE_UNIT_WIDTH
if result and not result.defines then
local links = {}
for _, link in ipairs(result.links) do
links[link] = true
end
for _, width in ipairs({"8", "16", "32"}) do
if links["pcre2-" .. width] then
result.links = {"pcre2-" .. width}
result.defines = {"PCRE2_CODE_UNIT_WIDTH=" .. width}
break
end
end
end
return result
end
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