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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(platform)
-- init flags
local arch = config.get("arch")
if arch:startswith("arm64") then
platform:add("ldflags", "-llog")
platform:add("shflags", "-llog")
else
platform:add("cxflags", "-mthumb")
platform:add("asflags", "-mthumb")
platform:add("ldflags", "-llog", "-mthumb")
platform:add("shflags", "-llog", "-mthumb")
end
-- use llvm directory? e.g. android-ndk/toolchains/llvm/prebuilt/darwin-x86_64/bin
local isllvm = false
local bindir = config.get("bin")
if bindir and bindir:find("llvm", 1, true) then
isllvm = true
end
-- init architecture
if isllvm then
-- add target
local targets =
{
["armv5te"] = "armv5te-none-linux-androideabi"
, ["armv7-a"] = "armv7-none-linux-androideabi"
, ["arm64-v8a"] = "aarch64-none-linux-android"
, ["i386"] = "i686-none-linux-android"
, ["x86_64"] = "x86_64-none-linux-android"
, ["mips"] = "mipsel-none-linux-android"
}
platform:add("cxflags", "-target " .. targets[arch])
platform:add("asflags", "-target " .. targets[arch])
platform:add("ldflags", "-target " .. targets[arch])
platform:add("shflags", "-target " .. targets[arch])
-- add gcc toolchain
local gcc_toolchain = config.get("gcc_toolchain")
if gcc_toolchain then
platform:add("cxflags", "-gcc-toolchain " .. gcc_toolchain)
platform:add("asflags", "-gcc-toolchain " .. gcc_toolchain)
platform:add("ldflags", "-gcc-toolchain " .. gcc_toolchain)
platform:add("shflags", "-gcc-toolchain " .. gcc_toolchain)
end
else
-- old version ndk
platform:add("cxflags", "-march=" .. arch)
platform:add("asflags", "-march=" .. arch)
platform:add("ldflags", "-march=" .. arch)
platform:add("shflags", "-march=" .. arch)
end
-- init cxflags for the target kind: binary
platform:add("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"
, ["armv7-a"] = "arm-linux-androideabi"
, ["arm64-v8a"] = "aarch64-linux-android"
, ["i386"] = "i686-linux-android"
, ["x86_64"] = "x86_64-linux-android"
}
platform:add("cxflags", "-D__ANDROID_API__=" .. ndk_sdkver)
platform:add("asflags", "-D__ANDROID_API__=" .. ndk_sdkver)
platform:add("cflags", "--sysroot=" .. ndk_sysroot_be_r14)
platform:add("cxxflags","--sysroot=" .. ndk_sysroot_be_r14)
platform:add("asflags", "--sysroot=" .. ndk_sysroot_be_r14)
platform:add("cflags", "-isystem " .. path.join(ndk_sysroot_be_r14, "usr", "include", triples[arch]))
platform:add("cxxflags","-isystem " .. path.join(ndk_sysroot_be_r14, "usr", "include", triples[arch]))
platform:add("asflags", "-isystem " .. path.join(ndk_sysroot_be_r14, "usr", "include", triples[arch]))
else
if arch:startswith("arm64") then
platform:add("cflags", format("--sysroot=%s/arch-arm64", ndk_sdkdir))
platform:add("cxxflags", format("--sysroot=%s/arch-arm64", ndk_sdkdir))
platform:add("asflags", format("--sysroot=%s/arch-arm64", ndk_sdkdir))
else
platform:add("cflags", format("--sysroot=%s/arch-arm", ndk_sdkdir))
platform:add("cxxflags", format("--sysroot=%s/arch-arm", ndk_sdkdir))
platform:add("asflags", format("--sysroot=%s/arch-arm", ndk_sdkdir))
end
end
if arch:startswith("arm64") then
platform:add("ldflags", format("--sysroot=%s/arch-arm64", ndk_sdkdir))
platform:add("shflags", format("--sysroot=%s/arch-arm64", ndk_sdkdir))
else
platform:add("ldflags", format("--sysroot=%s/arch-arm", ndk_sdkdir))
platform:add("shflags", format("--sysroot=%s/arch-arm", ndk_sdkdir))
end
-- add "-fPIE -pie" to ldflags
platform:add("ldflags", "-fPIE")
platform:add("ldflags", "-pie")
-- get c++ stl sdk directory
local cxxstl_sdkdir = isllvm and path.translate(format("%s/sources/cxx-stl/llvm-libc++", ndk)) or nil
if (cxxstl_sdkdir == nil or not os.isdir(cxxstl_sdkdir)) and config.get("ndk_toolchains_ver") then -- <= ndk r16
cxxstl_sdkdir = path.translate(format("%s/sources/cxx-stl/gnu-libstdc++/%s", ndk, config.get("ndk_toolchains_ver")))
end
-- only for c++ stl
if cxxstl_sdkdir and os.isdir(cxxstl_sdkdir) then
-- the toolchains archs
local toolchains_archs =
{
["armv5te"] = "armeabi"
, ["armv7-a"] = "armeabi-v7a"
, ["arm64-v8a"] = "arm64-v8a"
}
-- add search directories for c++ stl
platform:add("cxxflags", format("-I%s/include", cxxstl_sdkdir))
if toolchains_archs[arch] then
platform:add("cxxflags", format("-I%s/libs/%s/include", cxxstl_sdkdir, toolchains_archs[arch]))
platform:add("ldflags", format("-L%s/libs/%s", cxxstl_sdkdir, toolchains_archs[arch]))
platform:add("shflags", format("-L%s/libs/%s", cxxstl_sdkdir, toolchains_archs[arch]))
if cxxstl_sdkdir:find("llvm-libc++", 1, true) then
platform:add("ldflags", "-lc++_static", "-lc++abi")
platform:add("shflags", "-lc++_static", "-lc++abi")
else
platform:add("ldflags", "-lgnustl_static")
platform:add("shflags", "-lgnustl_static")
end
end
end
end
-- init targets for rust
local targets =
{
["armv5te"] = "arm-linux-androideabi"
, ["armv7-a"] = "arm-linux-androideabi"
, ["arm64-v8a"] = "aarch64-linux-android"
}
-- init flags for rust
platform:add("rcflags", "--target=" .. targets[arch])
platform:add("rc-shflags", "-C link-args=\"" .. (table.concat(platform:get("shflags"), " "):gsub("%-march=.-%s", "") .. "\""))
platform:add("rc-ldflags", "-C link-args=\"" .. (table.concat(platform:get("ldflags"), " "):gsub("%-march=.-%s", "") .. "\""))
local sh = config.get("sh")
if sh then
platform:add("rc-shflags", "-C linker=" .. sh)
end
local ld = config.get("ld")
if ld then
platform:add("rc-ldflags", "-C linker=" .. ld)
end
end
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