mirror of
https://github.com/warmcat/libwebsockets.git
synced 2025-03-09 00:00:04 +01:00
android: modernize toolchain file and add build README
Add builder to .sai.json for just lws + mbedtls on aarch64
This commit is contained in:
Andy Green
parent
71f2333e8f
commit
2d7be680de
4 changed files with 105 additions and 126 deletions
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@ -21,6 +21,10 @@
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"build": "mkdir build;cd build;export CCACHE_DISABLE=1;export SAI_CPACK=\"-G DEB\";cmake .. ${cmake} && make -j3 && make -j DESTDIR=../destdir install && ctest -j3 --output-on-failure ${cpack}",
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"default": false
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},
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"android-aarch64": {
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"build": "mkdir build;cd build;cmake .. -DCMAKE_TOOLCHAIN_FILE=../libwebsockets/contrib/cross-aarch64-android.cmake ${cmake} && make -j",
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"default": false
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},
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"iOS": {
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"build": "mkdir build destdir; cd build; export SAI_CPACK=\"-G ZIP\";cmake .. -DCMAKE_MAKE_PROGRAM=/usr/bin/make -DCMAKE_IOS_DEVELOPER_ROOT=/opt/Xcode-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer -DCMAKE_TOOLCHAIN_FILE=contrib/iOS.cmake -DIOS_PLATFORM=OS ${cmake} && make -j",
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"default": false
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@ -76,6 +80,10 @@
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# no distro -devel package for libuv
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"platforms": "not linux-centos-8-x8664"
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},
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"justmbedtls": {
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"cmake": "-DLWS_WITH_MBEDTLS=1 -DLWS_WITHOUT_TESTAPPS=1",
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"platforms": "none, android-aarch64"
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},
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"mbedtls": {
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"cmake": "-DLWS_WITH_MBEDTLS=1 -DLWS_WITH_HTTP2=1 -DLWS_WITH_LWSWS=1 -DLWS_WITH_MINIMAL_EXAMPLES=1 -DLWS_WITH_JOSE=1 -DCMAKE_BUILD_TYPE=DEBUG",
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# no distro -devel package for mbedtls
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77
READMEs/README.build-android.md
Normal file
77
READMEs/README.build-android.md
Normal file
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@ -0,0 +1,77 @@
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# Building for Android NDK
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If you have the ndk and prebuilt toolchains with that, you can simply build
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lws library for your android app from one cmake and one make command.
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However if you want a tls lib, you have to take care of building and pointing
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to that first. But if it's a cmake project like mbedtls, that also is just a
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matter of one cmake and one make.
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## Installing NDK pieces
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There's probably a more direct way but the official way is install the whole
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Android Studio and then run `sdkmanager` to install a recent NDK.
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I installed the sdk and ndk pieces into /opt/android/ and that's how the
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`./contrib/cross-aarch64-android.cmake` toolchain file is shipped. You can
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adapt some settings at the top of that file including the path if needed.
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## Fetching lws (needed first for cross toolchain file)
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It doesn't care where you put these projects, but for simplicity they should
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be in the same parent dir, like
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```
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- /home/someone
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- /home/someone/libwebsockets
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- /home/someone/mbedtls
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```
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The reason is that building mbedtls need the cross toolchain file from
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libwebsockets, that's also why we have to get libwebsockets first now but
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build it later.
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```
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$ git clone https://libwebsockets.org/repo/libwebsockets
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```
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## Building mbedtls
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```
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$ git clone https://github.com/ARMmbed/mbedtls.git
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$ cd mbedtls
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$ mkdir build
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$ cd build
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$ rm -f CMakeCache.txt && \
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cmake .. -DCMAKE_TOOLCHAIN_FILE=../libwebsockets/contrib/cross-aarch64-android.cmake \
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-DUSE_SHARED_MBEDTLS_LIBRARY=1 \
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-DENABLE_PROGRAMS=0 \
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-Wno-dev && \
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make -j && \
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cmake --install .
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```
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The lws toolchain file sets the path to install into as the cross root path, so
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despite it looks like the destination dir is missing for the install, it will
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go into, eg `/opt/android/ndk/21.1.6352462/platforms/android-24/arch-arm64/lib/libmbedcrypto.a`
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where lws will look for it
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## Building lws
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You don't need to explain where mbedtls can be found... lws will build with the
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same toolchain file that sets the cross root to the same place as mbedtls, it
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will easily find them there without any further hints.
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```
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$ mkdir build
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$ cd build
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$ rm -f CMakeCache.txt && \
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cmake .. -DCMAKE_TOOLCHAIN_FILE=../libwebsockets/contrib/cross-aarch64-android.cmake \
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-DLWS_WITH_MBEDTLS=1 \
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-DLWS_WITHOUT_TESTAPPS=1 && \
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make && \
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cmake --install .
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```
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That's it, both mbedtls and lws library and header files are installed into the
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ndk cross root.
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@ -1,116 +0,0 @@
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#!/bin/bash
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#
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# Build libwebsockets static library for Android
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#
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# path to NDK
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export NDK=/opt/ndk_r17/android-ndk-r17-beta2-linux-x86_64/android-ndk-r17-beta2
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export ANDROID_NDK=${NDK}
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export TOOLCHAIN=${NDK}/toolchain
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export CORSS_SYSROOT=${NDK}/sysroot
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export SYSROOT=${NDK}/platforms/android-22/arch-arm
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set -e
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# Download packages libz, libuv, mbedtls and libwebsockets
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#zlib-1.2.8
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#libuv-1.x
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#mbedtls-2.11.0
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#libwebsockets-3.0.0
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# create a local android toolchain
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API=${3:-24}
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$NDK/build/tools/make-standalone-toolchain.sh \
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--toolchain=arm-linux-androideabi-4.9 \
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--arch=arm \
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--install-dir=`pwd`/android-toolchain-arm \
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--platform=android-$API \
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--stl=libc++ \
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--force \
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--verbose
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# setup environment to use the gcc/ld from the android toolchain
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export INSTALL_PATH=/opt/libwebsockets_android/android-toolchain-arm
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export TOOLCHAIN_PATH=`pwd`/android-toolchain-arm
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export TOOL=arm-linux-androideabi
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export NDK_TOOLCHAIN_BASENAME=${TOOLCHAIN_PATH}/bin/${TOOL}
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export PATH=`pwd`/android-toolchain-arm/bin:$PATH
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export CC=$NDK_TOOLCHAIN_BASENAME-gcc
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export CXX=$NDK_TOOLCHAIN_BASENAME-g++
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export LINK=${CXX}
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export LD=$NDK_TOOLCHAIN_BASENAME-ld
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export AR=$NDK_TOOLCHAIN_BASENAME-ar
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export RANLIB=$NDK_TOOLCHAIN_BASENAME-ranlib
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export STRIP=$NDK_TOOLCHAIN_BASENAME-strip
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export PLATFORM=android
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export CFLAGS="D__ANDROID_API__=$API"
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# configure and build libuv
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[ ! -f ./android-toolchain-arm/lib/libuv.so ] && {
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cd libuv
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echo "=============================================>> build libuv"
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PATH=$TOOLCHAIN_PATH:$PATH make clean
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PATH=$TOOLCHAIN_PATH:$PATH make
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PATH=$TOOLCHAIN_PATH:$PATH make install
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echo "<<============================================= build libuv"
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cd ..
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}
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# configure and build zlib
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[ ! -f ./android-toolchain-arm/lib/libz.so ] && {
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cd zlib-1.2.8
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echo "=============================================>> build libz"
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PATH=$TOOLCHAIN_PATH:$PATH make clean
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PATH=$TOOLCHAIN_PATH:$PATH make
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PATH=$TOOLCHAIN_PATH:$PATH make install
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echo "<<============================================= build libz"
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cd ..
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}
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# configure and build mbedtls
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[ ! -f ./android-toolchain-arm/lib/libmbedtls.so ] && {
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echo "=============================================>> build mbedtls"
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PREFIX=$TOOLCHAIN_PATH
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cd mbedtls-2.11.0
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[ ! -d build ] && mkdir build
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cd build
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export CFLAGS="$CFLAGS -fomit-frame-pointer"
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PATH=$TOOLCHAIN_PATH:$PATH cmake .. -DCMAKE_TOOLCHAIN_FILE=`pwd`/../cross-arm-android-gnueabi.cmake \
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-DCMAKE_INSTALL_PREFIX:PATH=${INSTALL_PATH} \
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-DCMAKE_BUILD_TYPE=RELEASE -DUSE_SHARED_MBEDTLS_LIBRARY=On
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PATH=$TOOLCHAIN_PATH:$PATH make clean
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PATH=$TOOLCHAIN_PATH:$PATH make SHARED=1
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PATH=$TOOLCHAIN_PATH:$PATH make install
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echo "<<============================================= build mbedtls"
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cd ../..
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}
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# configure and build libwebsockets
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[ ! -f ./android-toolchain-arm/lib/libwebsockets.so ] && {
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cd libwebsockets
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[ ! -d build ] && mkdir build
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cd build
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echo "=============================================>> build libwebsockets"
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PATH=$TOOLCHAIN_PATH:$PATH cmake .. -DCMAKE_TOOLCHAIN_FILE=`pwd`/../cross-arm-android-gnueabi.cmake \
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-DCMAKE_INSTALL_PREFIX:PATH=${INSTALL_PATH} \
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-DLWS_WITH_LWSWS=1 \
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-DLWS_WITH_MBEDTLS=1 \
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-DLWS_WITHOUT_TESTAPPS=1 \
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-DLWS_MBEDTLS_LIBRARIES="${INSTALL_PATH}/lib/libmbedcrypto.a;${INSTALL_PATH}/lib/libmbedtls.a;${INSTALL_PATH}/lib/libmbedx509.a" \
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-DLWS_MBEDTLS_INCLUDE_DIRS=${INSTALL_PATH}/include \
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-DLWS_LIBUV_LIBRARIES=${INSTALL_PATH}/lib/libuv.so \
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-DLWS_LIBUV_INCLUDE_DIRS=${INSTALL_PATH}/include \
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-DLWS_ZLIB_LIBRARIES=${INSTALL_PATH}/lib/libz.so \
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-DLWS_ZLIB_INCLUDE_DIRS=${INSTALL_PATH}/include
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PATH=$TOOLCHAIN_PATH:$PATH make
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PATH=$TOOLCHAIN_PATH:$PATH make install
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echo "<<============================================= build libwebsockets"
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cd ../..
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}
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@ -3,16 +3,27 @@
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#
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# This can be used when running cmake in the following way:
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# cd build/
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# cmake .. -DCMAKE_TOOLCHAIN_FILE=../cross-aarch64-android.cmake
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# cmake .. -DCMAKE_TOOLCHAIN_FILE=contrib/cross-aarch64-android.cmake
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#
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# Target operating system name.
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set(CMAKE_SYSTEM_NAME Linux)
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set(CMAKE_SYSTEM_PROCESSOR aarch64)
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# Name of C compiler.
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set(CMAKE_C_COMPILER "aarch64-linux-android-gcc")
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set(CMAKE_CXX_COMPILER "aarch64-linux-android-g++")
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set(ANDROID_API_VER 24)
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set(ABARCH1 arm64)
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set(CMAKE_SYSTEM_PROCESSOR aarch64)
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set(NDK /opt/android/ndk/21.1.6352462/)
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set(CROSS_SYSROOT "${NDK}/platforms/android-${ANDROID_API_VER}/arch-${ABARCH1}")
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set(BUILD_ARCH linux-x86_64)
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#
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# Rest should be computed from the above
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#
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set(TC_PATH ${NDK}/toolchains/llvm/prebuilt/${BUILD_ARCH})
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set(TC_BASE ${TC_PATH}/bin/${CMAKE_SYSTEM_PROCESSOR}-linux-android)
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set(PLATFORM android)
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set(CMAKE_SYSTEM_NAME Linux)
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set(CMAKE_C_COMPILER "${TC_BASE}${ANDROID_API_VER}-clang")
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set(CMAKE_CXX_COMPILER "${TC_BASE}${ANDROID_API_VER}-clang++")
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set(CMAKE_STAGING_PREFIX "${CROSS_SYSROOT}")
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#
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# Different build system distros set release optimization level to different
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@ -31,11 +42,10 @@ if (CMAKE_BUILD_TYPE MATCHES RELEASE OR CMAKE_BUILD_TYPE MATCHES Release OR CMAK
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endif()
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#-nostdlib
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SET(CMAKE_C_FLAGS "-DGCC_VER=\"\\\"$(GCC_VER)\\\"\" -DARM64=1 -D__LP64__=1 -Os -g3 -fpie -mstrict-align -fPIC -ffunction-sections -fdata-sections " CACHE STRING "" FORCE)
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SET(CMAKE_C_FLAGS "-DGCC_VER=\"\\\"$(GCC_VER)\\\"\" -DARM64=1 -D__LP64__=1 -Os -g3 -fpie -mstrict-align -fPIC -ffunction-sections -fdata-sections -D__ANDROID_API__=${ANDROID_API_VER} -Wno-pointer-sign" CACHE STRING "" FORCE)
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# Where to look for the target environment. (More paths can be added here)
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#set(CMAKE_FIND_ROOT_PATH "")
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set(CMAKE_FIND_ROOT_PATH "${CROSS_SYSROOT}")
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# Adjust the default behavior of the FIND_XXX() commands:
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# search programs in the host environment only.
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