build: add compile for android arm64/x86/x86-64

Add compile options for Android arm64/x86/x86-64 and update the
instructions in README.md.

PR-URL: libuv#1934
Reviewed-By: Ben Noordhuis <[email protected]>

README.md

@@ -282,8 +282,31 @@ Make sure that you specify the architecture you wish to build for in the
 
 Run:
 
+For arm
+
+```bash
+$ source ./android-configure-arm NDK_PATH gyp [API_LEVEL]
+$ make -C out
+```
+
+or for arm64
+
+```bash
+$ source ./android-configure-arm64 NDK_PATH gyp [API_LEVEL]
+$ make -C out
+```
+
+or for x86
+
+```bash
+$ source ./android-configure-x86 NDK_PATH gyp [API_LEVEL]
+$ make -C out
+```
+
+or for x86_64
+
 ```bash
-$ source ./android-configure NDK_PATH gyp [API_LEVEL]
+$ source ./android-configure-x86_64 NDK_PATH gyp [API_LEVEL]
 $ make -C out
 ```
 

android-configure → android-configure-arm

@@ -1,6 +1,6 @@
 #!/bin/bash
 
-export TOOLCHAIN=$PWD/android-toolchain
+export TOOLCHAIN=$PWD/android-toolchain-arm
 mkdir -p $TOOLCHAIN
 API=${3:-24}
 $1/build/tools/make-standalone-toolchain.sh \

android-configure-arm64

@@ -0,0 +1,23 @@
+#!/bin/bash
+
+export TOOLCHAIN=$PWD/android-toolchain-arm64
+mkdir -p $TOOLCHAIN
+API=${3:-24}
+$1/build/tools/make-standalone-toolchain.sh \
+    --toolchain=aarch64-linux-android-4.9 \
+    --arch=arm64 \
+    --install-dir=$TOOLCHAIN \
+    --platform=android-$API \
+    --force
+export PATH=$TOOLCHAIN/bin:$PATH
+export AR=aarch64-linux-android-ar
+export CC=aarch64-linux-android-gcc
+export CXX=aarch64-linux-android-g++
+export LINK=aarch64-linux-android-g++
+export PLATFORM=android
+export CFLAGS="-D__ANDROID_API__=$API"
+
+if [[ $2 == 'gyp' ]]
+  then
+    ./gyp_uv.py -Dtarget_arch=arm64 -DOS=android -f make-android
+fi

android-configure-x86

@@ -0,0 +1,23 @@
+#!/bin/bash
+
+export TOOLCHAIN=$PWD/android-toolchain-x86
+mkdir -p $TOOLCHAIN
+API=${3:-24}
+$1/build/tools/make-standalone-toolchain.sh \
+    --toolchain=x86-4.9 \
+    --arch=x86 \
+    --install-dir=$TOOLCHAIN \
+    --platform=android-$API \
+    --force
+export PATH=$TOOLCHAIN/bin:$PATH
+export AR=i686-linux-android-ar
+export CC=i686-linux-android-gcc
+export CXX=i686-linux-android-g++
+export LINK=i686-linux-android-g++
+export PLATFORM=android
+export CFLAGS="-D__ANDROID_API__=$API"
+
+if [[ $2 == 'gyp' ]]
+  then
+    ./gyp_uv.py -Dtarget_arch=x86 -DOS=android -f make-android
+fi

android-configure-x86_64

@@ -0,0 +1,25 @@
+#!/bin/bash
+
+export TOOLCHAIN=$PWD/android-toolchain-x86_64
+mkdir -p $TOOLCHAIN
+API=${3:-24}
+$1/build/tools/make-standalone-toolchain.sh \
+    --toolchain=x86_64-4.9 \
+    --arch=x86_64 \
+    --install-dir=$TOOLCHAIN \
+    --platform=android-$API \
+    --force
+export PATH=$TOOLCHAIN/bin:$PATH
+export AR=x86_64-linux-android-ar
+export CC=x86_64-linux-android-gcc
+export CXX=x86_64-linux-android-g++
+export LINK=x86_64-linux-android-g++
+export PLATFORM=android
+export CFLAGS="-D__ANDROID_API__=$API -fPIC"
+export CXXFLAGS="-D__ANDROID_API__=$API -fPIC"
+export LDFLAGS="-fPIC"
+
+if [[ $2 == 'gyp' ]]
+  then
+    ./gyp_uv.py -Dtarget_arch=x86_64 -DOS=android -f make-android
+fi