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--!A cross-platform build utility based on Lua
--
-- Licensed to the Apache Software Foundation (ASF) under one
-- or more contributor license agreements. See the NOTICE file
-- distributed with this work for additional information
-- regarding copyright ownership. The ASF licenses this file
-- to you 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 - 2018, TBOOX Open Source Group.
--
-- @author ruki
-- @file load.lua
--
-- imports
import("core.project.config")
-- load it
function main()
-- init flags
local arch = config.get("arch")
if arch:startswith("arm64") then
_g.cxflags = {}
_g.asflags = {}
_g.ldflags = {"-llog"}
_g.shflags = {"-llog"}
_g.cxxflags = {}
else
_g.cxflags = { "-march=" .. arch, "-mthumb"}
_g.asflags = { "-march=" .. arch, "-mthumb"}
_g.ldflags = { "-march=" .. arch, "-llog", "-mthumb"}
_g.shflags = { "-march=" .. arch, "-llog", "-mthumb"}
_g.cxxflags = {}
end
-- init cxflags for the target kind: binary
_g.binary = { cxflags = {"-fPIE", "-pie"} }
-- add flags for the sdk directory of ndk
local ndk = config.get("ndk")
local ndk_sdkver = config.get("ndk_sdkver")
if ndk and ndk_sdkver then
-- add sysroot
--
-- @see https://android.googlesource.com/platform/ndk/+/master/docs/UnifiedHeaders.md
--
-- Before NDK r14, we had a set of libc headers for each API version.
-- In many cases these headers were incorrect. Many exposed APIs that didn‘t exist, and others didn’t expose APIs that did.
--
-- In NDK r14 (as an opt in feature) we unified these into a single set of headers, called unified headers.
-- This single header path is used for every platform level. API level guards are handled with #ifdef.
-- These headers can be found in prebuilts/ndk/headers.
--
-- Unified headers are built directly from the Android platform, so they are up to date and correct (or at the very least,
-- any bugs in the NDK headers will also be a bug in the platform headers, which means we're much more likely to find them).
--
-- In r15 unified headers are used by default. In r16, the old headers have been removed.
--
local ndk_sdkdir = path.translate(format("%s/platforms/android-%d", ndk, ndk_sdkver))
local ndk_sysroot_be_r14 = path.join(ndk, "sysroot")
if os.isdir(ndk_sysroot_be_r14) then
-- the triples
local triples =
{
["armv5te"] = "arm-linux-androideabi"
, ["armv6"] = "arm-linux-androideabi"
, ["armv7-a"] = "arm-linux-androideabi"
, ["armv8-a"] = "arm-linux-androideabi"
, ["arm64-v8a"] = "aarch64-linux-android"
, ["i386"] = "i686-linux-android"
, ["x86_64"] = "x86_64-linux-android"
}
insert(_g.cxflags, "-D__ANDROID_API__=" .. ndk_sdkver)
insert(_g.asflags, "-D__ANDROID_API__=" .. ndk_sdkver)
insert(_g.cxflags, "--sysroot=" .. ndk_sysroot_be_r14)
insert(_g.asflags, "--sysroot=" .. ndk_sysroot_be_r14)
insert(_g.cxflags, "-isystem " .. path.join(ndk_sysroot_be_r14, "usr", "include", triples[arch]))
insert(_g.asflags, "-isystem " .. path.join(ndk_sysroot_be_r14, "usr", "include", triples[arch]))
else
if arch:startswith("arm64") then
insert(_g.cxflags, format("--sysroot=%s/arch-arm64", ndk_sdkdir))
insert(_g.asflags, format("--sysroot=%s/arch-arm64", ndk_sdkdir))
else
insert(_g.cxflags, format("--sysroot=%s/arch-arm", ndk_sdkdir))
insert(_g.asflags, format("--sysroot=%s/arch-arm", ndk_sdkdir))
end
end
if arch:startswith("arm64") then
insert(_g.ldflags, format("--sysroot=%s/arch-arm64", ndk_sdkdir))
insert(_g.shflags, format("--sysroot=%s/arch-arm64", ndk_sdkdir))
else
insert(_g.ldflags, format("--sysroot=%s/arch-arm", ndk_sdkdir))
insert(_g.shflags, format("--sysroot=%s/arch-arm", ndk_sdkdir))
end
-- add "-fPIE -pie" to ldflags
insert(_g.ldflags, "-fPIE")
insert(_g.ldflags, "-pie")
-- only for c++ stl
local ndk_toolchains_ver = config.get("ndk_toolchains_ver")
if ndk_toolchains_ver then
-- get c++ stl sdk directory
local cxxstl_sdkdir = path.translate(format("%s/sources/cxx-stl/gnu-libstdc++/%s", ndk, ndk_toolchains_ver))
-- the toolchains archs
local toolchains_archs =
{
["armv5te"] = "armeabi"
, ["armv6"] = "armeabi"
, ["armv7-a"] = "armeabi-v7a"
, ["armv8-a"] = "armeabi-v7a"
, ["arm64-v8a"] = "arm64-v8a"
}
-- add search directories for c++ stl
insert(_g.cxxflags, format("-I%s/include", cxxstl_sdkdir))
if toolchains_archs[arch] then
insert(_g.cxxflags, format("-I%s/libs/%s/include", cxxstl_sdkdir, toolchains_archs[arch]))
insert(_g.ldflags, format("-L%s/libs/%s", cxxstl_sdkdir, toolchains_archs[arch]))
insert(_g.shflags, format("-L%s/libs/%s", cxxstl_sdkdir, toolchains_archs[arch]))
insert(_g.ldflags, format("-lgnustl_static"))
insert(_g.shflags, format("-lgnustl_static"))
end
end
end
-- init targets for rust
local targets =
{
["armv5te"] = "arm-linux-androideabi"
, ["armv6"] = "arm-linux-androideabi"
, ["armv7-a"] = "arm-linux-androideabi"
, ["armv8-a"] = "arm-linux-androideabi"
, ["arm64-v8a"] = "aarch64-linux-android"
}
-- init flags for rust
_g.rcflags = { "--target=" .. targets[arch] }
_g["rc-shflags"] = { "-C link-args=\"" .. (table.concat(_g.shflags, " "):gsub("%-march=.-%s", "") .. "\"")}
_g["rc-ldflags"] = { "-C link-args=\"" .. (table.concat(_g.ldflags, " "):gsub("%-march=.-%s", "") .. "\"")}
local sh = config.get("sh")
if sh then
table.insert(_g["rc-shflags"], "-C linker=" .. sh)
end
local ld = config.get("ld")
if ld then
table.insert(_g["rc-ldflags"], "-C linker=" .. ld)
end
-- ok
return _g
end
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