build for x86 & arm in both 32 & 64 bits (#204)

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m2049r 2018-02-27 07:22:11 +01:00 committed by GitHub
parent 6cfd840283
commit c0fdfe87be
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119 changed files with 119 additions and 288 deletions

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@ -8,8 +8,8 @@ android {
applicationId "com.m2049r.xmrwallet"
minSdkVersion 21
targetSdkVersion 25
versionCode 72
versionName "1.3.12 'Satoshis Dream'"
versionCode 73
versionName "1.3.13 'Satoshis Dream'"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
externalNativeBuild {
cmake {
@ -18,7 +18,7 @@ android {
}
}
ndk {
abiFilters 'armeabi-v7a'
abiFilters 'armeabi-v7a', 'arm64-v8a', 'x86', 'x86_64'
}
}
@ -41,10 +41,23 @@ android {
abi {
enable true
reset()
include "armeabi-v7a"
include 'armeabi-v7a', 'arm64-v8a', 'x86', 'x86_64'
universalApk false
}
}
// Map for the version code that gives each ABI a value.
def abiCodes = ['armeabi-v7a': 1, 'arm64-v8a': 2, 'x86': 3, 'x86_64': 4]
// APKs for the same app that all have the same version information.
android.applicationVariants.all { variant ->
// Assigns a different version code for each output APK.
variant.outputs.each {
output ->
def abiName = output.getFilter(com.android.build.OutputFile.ABI)
output.versionCodeOverride = abiCodes.get(abiName, 0) + 10 * variant.versionCode
}
}
}
dependencies {

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@ -1,199 +0,0 @@
# BUILDING external libs (64-bit)
## Prepare Ubuntu environment
```
sudo apt-get install build-essential cmake tofrodos libtool-bin
sudo mkdir /opt/android
sudo chown $LOGNAME /opt/android
```
## Install Android NDK
```
cd /opt/android
wget https://dl.google.com/android/repository/android-ndk-r15c-linux-x86_64.zip
unzip android-ndk-r15c-linux-x86_64.zip
android-ndk-r15c/build/tools/make_standalone_toolchain.py --api 21 --stl=libc++ --arch arm64 --install-dir /opt/android/tool64
```
## Build OpenSSL
Best is to compile openssl from sources. Copying from your phone or elsewhere (don't!) ends up in misery.
### Setup environment
```
cd /opt/android
wget https://wiki.openssl.org/images/7/70/Setenv-android.sh
fromdos Setenv-android.sh
```
Apply the following patch:
```
--- a/Setenv-android.sh
+++ b/Setenv-android.sh
@@ -22,12 +22,12 @@
# list in $ANDROID_NDK_ROOT/toolchains. This value is always used.
# _ANDROID_EABI="x86-4.6"
# _ANDROID_EABI="arm-linux-androideabi-4.6"
-_ANDROID_EABI="arm-linux-androideabi-4.8"
+_ANDROID_EABI="aarch64-linux-android-4.9"
# Set _ANDROID_ARCH to the architecture you are building for.
# This value is always used.
# _ANDROID_ARCH=arch-x86
-_ANDROID_ARCH=arch-arm
+_ANDROID_ARCH=arch-arm64
# Set _ANDROID_API to the API you want to use. You should set it
# to one of: android-14, android-9, android-8, android-14, android-5
@@ -36,7 +36,7 @@
# Android 5.0, there will likely be another platform added (android-22?).
# This value is always used.
# _ANDROID_API="android-14"
-_ANDROID_API="android-18"
+_ANDROID_API="android-21"
# _ANDROID_API="android-19"
#####################################################################
@@ -121,6 +121,9 @@
arch-arm)
ANDROID_TOOLS="arm-linux-androideabi-gcc arm-linux-androideabi-ranlib arm-linux-androideabi-ld"
;;
+ arch-arm64)
+ ANDROID_TOOLS="aarch64-linux-android-gcc aarch64-linux-android-ranlib aarch64-linux-android-ld"
+ ;;
arch-x86)
ANDROID_TOOLS="i686-linux-android-gcc i686-linux-android-ranlib i686-linux-android-ld"
;;
@@ -198,6 +201,14 @@
export ARCH=arm
export CROSS_COMPILE="arm-linux-androideabi-"
+if [ "$_ANDROID_ARCH" == "arch-arm64" ]; then
+ export MACHINE=aarch64
+ export RELEASE=2.6.37
+ export SYSTEM=android
+ export ARCH=aarch64
+ export CROSS_COMPILE="aarch64-linux-android-"
+fi
+
if [ "$_ANDROID_ARCH" == "arch-x86" ]; then
export MACHINE=i686
export RELEASE=2.6.37
```
Then:
```
export ANDROID_NDK_ROOT=/opt/android/android-ndk-r15c
. ./Setenv-android.sh
```
and ignore error about FIPS_SIG.
### Download and build OpenSSL
```
wget https://github.com/openssl/openssl/archive/OpenSSL_1_0_2l.tar.gz
tar xfz OpenSSL_1_0_2l.tar.gz
```
Apply patch required to build for aarch64:
```
--- a/openssl-OpenSSL_1_0_2l/config
+++ b/openssl-OpenSSL_1_0_2l/config
@@ -871,6 +871,7 @@
*-*-qnx6) OUT="QNX6" ;;
x86-*-android|i?86-*-android) OUT="android-x86" ;;
armv[7-9]*-*-android) OUT="android-armv7" ;;
+ aarch64-*-android) OUT="android-aarch64" ;;
*) OUT=`echo $GUESSOS | awk -F- '{print $3}'`;;
esac
--- a/openssl-OpenSSL_1_0_2l/Configure
+++ b/openssl-OpenSSL_1_0_2l/Configure
@@ -474,6 +474,7 @@
"android","gcc:-mandroid -I\$(ANDROID_DEV)/include -B\$(ANDROID_DEV)/lib -O3 -fomit-frame-pointer -Wall::-D_REENTRANT::-ldl:BN_LLONG RC4_CHAR RC4_CHUNK DES_INT DES_UNROLL BF_PTR:${no_asm}:dlfcn:linux-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
"android-x86","gcc:-mandroid -I\$(ANDROID_DEV)/include -B\$(ANDROID_DEV)/lib -O3 -fomit-frame-pointer -Wall::-D_REENTRANT::-ldl:BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:".eval{my $asm=${x86_elf_asm};$asm=~s/:elf/:android/;$asm}.":dlfcn:linux-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
"android-armv7","gcc:-march=armv7-a -mandroid -I\$(ANDROID_DEV)/include -B\$(ANDROID_DEV)/lib -O3 -fomit-frame-pointer -Wall::-D_REENTRANT::-ldl:BN_LLONG RC4_CHAR RC4_CHUNK DES_INT DES_UNROLL BF_PTR:${armv4_asm}:dlfcn:linux-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
+"android-aarch64","gcc:-march=armv8-a -mandroid -I\$(ANDROID_DEV)/include -B\$(ANDROID_DEV)/lib -O3 -fomit-frame-pointer -Wall::-D_REENTRANT::-ldl:SIXTY_FOUR_BIT_LONG RC4_CHAR RC4_CHUNK DES_INT DES_UNROLL BF_PTR:${aarch64_asm}:linux64:dlfcn:linux-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
"android-mips","gcc:-mandroid -I\$(ANDROID_DEV)/include -B\$(ANDROID_DEV)/lib -O3 -Wall::-D_REENTRANT::-ldl:BN_LLONG RC4_CHAR RC4_CHUNK DES_INT DES_UNROLL BF_PTR:${mips32_asm}:o32:dlfcn:linux-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
#### *BSD [do see comment about ${BSDthreads} above!]
```
```
cd openssl-OpenSSL_1_0_2l/
perl -pi -e 's/install: all install_docs install_sw/install: install_docs install_sw/g' Makefile.org
./config shared no-ssl2 no-ssl3 no-comp no-hw no-engine --openssldir=/opt/android/openssl/android-21/
make depend
# Make sure we don't get versioned .so which Android can't deal with
make CALC_VERSIONS="SHLIB_COMPAT=; SHLIB_SOVER=" MAKE="make -e" all
mkdir -p /opt/android/openssl/android-21/lib
echo "place-holder make target for avoiding symlinks" >> /opt/android/openssl/android-21/lib/link-shared
make SHLIB_EXT=.so install_sw
```
### Make symlinks
```
cd /opt/android/tool64/sysroot/usr/include
ln -s ../../../../openssl/android-21/include/openssl
cd /opt/android/tool64/sysroot/usr/lib
ln -s ../../../../openssl/android-21/lib/libssl.so
ln -s ../../../../openssl/android-21/lib/libcrypto.so
```
## Build Boost
```
cd /opt/android
wget https://sourceforge.net/projects/boost/files/boost/1.58.0/boost_1_58_0.tar.gz/download -O boost_1_58_0.tar.gz
tar xfz boost_1_58_0.tar.gz
cd boost_1_58_0
./bootstrap.sh
```
The NDK r15c above gives errors about fsetpos and fgetpos not found(!?!), so we "just" comment them out in the include file:
`nano /opt/android/tool64/include/c++/4.9.x/cstdio` (`//using ::fgetpos`, `//using ::fsetpos`)
Then:
```
export PATH=/opt/android/tool64/aarch64-linux-android/bin:/opt/android/tool64/bin:$PATH
./b2 --build-type=minimal link=static runtime-link=static --with-chrono --with-date_time --with-filesystem --with-program_options --with-regex --with-serialization --with-system --with-thread --build-dir=android64 --stagedir=android64 toolset=clang threading=multi threadapi=pthread target-os=android stage
```
## Build & prepare zeromq
Only needed for zeromq versions (>v0.11.1.0).
```
cd /opt/android
git clone https://github.com/zeromq/zeromq3-x.git
export PATH=/opt/android/tool64/aarch64-linux-android/bin:/opt/android/tool64/bin:$PATH
export OUTPUT_DIR=/opt/android/zeromq
./configure --enable-static --disable-shared --host=aarch64-linux-android --prefix=$OUTPUT_DIR LDFLAGS="-L$OUTPUT_DIR/lib" CPPFLAGS="-isystem /opt/android/tool64/include/c++/4.9.x -fPIC -I$OUTPUT_DIR/include -Wno-error -D__ANDROID_API__=21" LIBS="-lgcc"
make
make install
git clone https://github.com/zeromq/cppzmq.git
cp cppzmq/*.hpp zeromq/include/
```
## And finally: Build Monero
```
cd /opt/android
git clone https://github.com/m2049r/monero.git
cd monero
git checkout monerujo-v0.11.1.0
mkdir -p build/release.android64
cd build/release.android64
# only if not set already set
export PATH=/opt/android/tool64/aarch64-linux-android/bin:/opt/android/tool64/bin:$PATH
# for zeromq versions (>v0.11.1.0) - not really tested
CC=clang CXX=clang++ cmake -D BUILD_TESTS=OFF -D ARCH="armv8-a" -D STATIC=ON -D BUILD_64=ON -D CMAKE_BUILD_TYPE=release -D ANDROID=true -D BUILD_TAG="android" -D BOOST_ROOT=/opt/android/boost_1_64_0 -D BOOST_LIBRARYDIR=/opt/android/boost_1_64_0/android64/lib -D OPENSSL_ROOT_DIR=/opt/android/openssl/android-21 -D CMAKE_POSITION_INDEPENDENT_CODE:BOOL=true -D ZMQ_INCLUDE_PATH=/opt/android/zeromq/include -D ZMQ_LIB=/opt/android/zeromq/lib/libzmq.a ../..
# for pre-zeromq versions (<=v0.11.1.0).
CC=clang CXX=clang++ cmake -D BUILD_TESTS=OFF -D ARCH="armv8-a" -D STATIC=ON -D BUILD_64=ON -D CMAKE_BUILD_TYPE=release -D ANDROID=true -D BUILD_TAG="android" -D BOOST_ROOT=/opt/android/boost_1_58_0 -D BOOST_LIBRARYDIR=/opt/android/boost_1_58_0/android64/lib -D OPENSSL_ROOT_DIR=/opt/android/openssl/android-21 -D CMAKE_POSITION_INDEPENDENT_CODE:BOOL=true ../..
make
find . -name '*.a' -exec cp '{}' lib \;
```
Ignore the warning from the last command - all static libraries are now in `lib`.
# Bringing it all together
- Copy all .a libraries into the appropriate `external-libs` folders.
- Copy `/opt/android/monero/src/wallet/wallet2_api.h` into `external-libs/monero/include`

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@ -2,8 +2,11 @@
Based on https://forum.getmonero.org/5/support/87643/building-monero-v0-10-3-1-for-android and the internet.
Do not follow this blindly. These instructions are for 32-bit only. 64-bit building mostly involves
replacing "32" with "64".
Do not follow this blindly.
These instructions build all supported architectures: ```'armeabi-v7a', 'arm64-v8a', 'x86', 'x86_64'```.
Yes, lots of copy&paste here. TODO: Script this.
## Prepare Ubuntu environment
@ -19,52 +22,51 @@ cd /opt/android
wget https://dl.google.com/android/repository/android-ndk-r15c-linux-x86_64.zip
unzip android-ndk-r15c-linux-x86_64.zip
android-ndk-r15c/build/tools/make_standalone_toolchain.py --api 21 --stl=libc++ --arch arm --install-dir /opt/android/tool32
android-ndk-r15c/build/tools/make_standalone_toolchain.py --api 21 --stl=libc++ --arch arm64 --install-dir /opt/android/tool64
android-ndk-r15c/build/tools/make_standalone_toolchain.py --api 21 --stl=libc++ --arch x86 --install-dir /opt/android/toolx86
android-ndk-r15c/build/tools/make_standalone_toolchain.py --api 21 --stl=libc++ --arch x86_64 --install-dir /opt/android/toolx86_64
```
## Build OpenSSL
Best is to compile openssl from sources. Copying from your phone or elsewhere (don't!) ends up in misery.
### Setup environment
If you don't want to build for all architectures, edit ```build-all-arch.sh``` before running it (Line 12).
```
cd /opt/android
wget https://wiki.openssl.org/images/7/70/Setenv-android.sh
fromdos Setenv-android.sh
```
Edit Setenv-android.sh:
```
_ANDROID_EABI="arm-linux-androideabi-4.9"
_ANDROID_API="android-21"
```
Then:
```
export ANDROID_NDK_ROOT=/opt/android/android-ndk-r15c
. ./Setenv-android.sh
```
and ignore error about FIPS_SIG.
### Download and build OpenSSL
```
git clone https://github.com/m2049r/android-openssl.git
wget https://github.com/openssl/openssl/archive/OpenSSL_1_0_2l.tar.gz
tar xfz OpenSSL_1_0_2l.tar.gz
cd openssl-OpenSSL_1_0_2l/
perl -pi -e 's/install: all install_docs install_sw/install: install_docs install_sw/g' Makefile.org
./config shared no-ssl2 no-ssl3 no-comp no-hw no-engine --openssldir=/opt/android/openssl/android-21/
make depend
# Make sure we don't get versioned .so which Android can't deal with
make CALC_VERSIONS="SHLIB_COMPAT=; SHLIB_SOVER=" MAKE="make -e" all
mkdir -p /opt/android/openssl/android-21/lib
echo "place-holder make target for avoiding symlinks" >> /opt/android/openssl/android-21/lib/link-shared
make SHLIB_EXT=.so install_sw
cd android-openssl
tar xfz ../OpenSSL_1_0_2l.tar.gz
export ANDROID_NDK_ROOT=/opt/android/android-ndk-r15c
./build-all-arch.sh
```
### Make symlinks
```
cd /opt/android/tool32/sysroot/usr/include
ln -s ../../../../openssl/android-21/include/openssl
ln -s ../../../../android-openssl/openssl-OpenSSL_1_0_2l/include/openssl/
cd /opt/android/tool32/sysroot/usr/lib
ln -s ../../../../openssl/android-21/lib/libssl.so
ln -s ../../../../openssl/android-21/lib/libcrypto.so
ln -s ../../../../android-openssl/prebuilt/armeabi/libssl.so
ln -s ../../../../android-openssl/prebuilt/armeabi/libcrypto.so
cd /opt/android/tool64/sysroot/usr/include
ln -s ../../../../android-openssl/openssl-OpenSSL_1_0_2l/include/openssl/
cd /opt/android/tool64/sysroot/usr/lib
ln -s ../../../../android-openssl/prebuilt/arm64-v8a/libssl.so
ln -s ../../../../android-openssl/prebuilt/arm64-v8a/libcrypto.so
cd /opt/android/toolx86/sysroot/usr/include
ln -s ../../../../android-openssl/openssl-OpenSSL_1_0_2l/include/openssl/
cd /opt/android/toolx86/sysroot/usr/lib
ln -s ../../../../android-openssl/prebuilt/x86/libssl.so
ln -s ../../../../android-openssl/prebuilt/x86/libcrypto.so
cd /opt/android/toolx86_64/sysroot/usr/include
ln -s ../../../../android-openssl/openssl-OpenSSL_1_0_2l/include/openssl/
cd /opt/android/toolx86_64/sysroot/usr/lib
ln -s ../../../../android-openssl/prebuilt/x86_64/libssl.so
ln -s ../../../../android-openssl/prebuilt/x86_64/libcrypto.so
```
## Build Boost
@ -72,74 +74,89 @@ ln -s ../../../../openssl/android-21/lib/libcrypto.so
cd /opt/android
wget https://sourceforge.net/projects/boost/files/boost/1.58.0/boost_1_58_0.tar.gz/download -O boost_1_58_0.tar.gz
tar xfz boost_1_58_0.tar.gz
(cd boost_1_58_0; ./bootstrap.sh)
cd boost_1_58_0
./bootstrap.sh
```
The NDK r15c above gives errors about fsetpos and fgetpos not found(!?!), so we "just" comment them out in the include file:
`nano /opt/android/tool32/include/c++/4.9.x/cstdio` (`//using ::fgetpos`, `//using ::fsetpos`)
* `vi /opt/android/tool32/include/c++/4.9.x/cstdio` (`//using ::fgetpos`, `//using ::fsetpos`)
* `vi /opt/android/tool64/include/c++/4.9.x/cstdio` (`//using ::fgetpos`, `//using ::fsetpos`)
* `vi /opt/android/toolx86/include/c++/4.9.x/cstdio` (`//using ::fgetpos`, `//using ::fsetpos`)
* `vi /opt/android/toolx86_64/include/c++/4.9.x/cstdio` (`//using ::fgetpos`, `//using ::fsetpos`)
Then:
```
export PATH=/opt/android/tool32/arm-linux-androideabi/bin:/opt/android/tool32/bin:$PATH
./b2 --build-type=minimal link=static runtime-link=static --with-chrono --with-date_time --with-filesystem --with-program_options --with-regex --with-serialization --with-system --with-thread --build-dir=android32 --stagedir=android32 toolset=clang threading=multi threadapi=pthread target-os=android stage
```
## Build & prepare zeromq
Only needed for zeromq versions (>v0.11.0.0).
```
cd /opt/android
wget git clone https://github.com/zeromq/zeromq3-x.git
export PATH=/opt/android/tool32/arm-linux-androideabi/bin:/opt/android/tool32/bin:$PATH
export OUTPUT_DIR=/opt/android/zeromq
./configure --enable-static --disable-shared --host=arm-linux-androideabi --prefix=$OUTPUT_DIR LDFLAGS="-L$OUTPUT_DIR/lib" CPPFLAGS="-isystem /opt/android/tool32/include/c++/4.9.x -fPIC -I$OUTPUT_DIR/include -Wno-error -D__ANDROID_API__=21" LIBS="-lgcc"
make
make install
git clone https://github.com/zeromq/cppzmq.git
cp cppzmq/*.hpp zeromq/include/
PATH=/opt/android/tool32/arm-linux-androideabi/bin:/opt/android/tool32/bin:$PATH ./b2 --build-type=minimal link=static runtime-link=static --with-chrono --with-date_time --with-filesystem --with-program_options --with-regex --with-serialization --with-system --with-thread --build-dir=android32 --stagedir=android32 toolset=clang threading=multi threadapi=pthread target-os=android stage
PATH=/opt/android/tool64/aarch64-linux-android/bin:/opt/android/tool64/bin:$PATH ./b2 --build-type=minimal link=static runtime-link=static --with-chrono --with-date_time --with-filesystem --with-program_options --with-regex --with-serialization --with-system --with-thread --build-dir=android64 --stagedir=android64 toolset=clang threading=multi threadapi=pthread target-os=android stage
PATH=/opt/android/toolx86/i686-linux-android/bin:/opt/android/toolx86/bin:$PATH ./b2 --build-type=minimal link=static runtime-link=static --with-chrono --with-date_time --with-filesystem --with-program_options --with-regex --with-serialization --with-system --with-thread --build-dir=androidx86 --stagedir=androidx86 toolset=clang threading=multi threadapi=pthread target-os=android stage
PATH=/opt/android/toolx86_64/x86_64-linux-android/bin:/opt/android/toolx86_64/bin:$PATH ./b2 --build-type=minimal link=static runtime-link=static --with-chrono --with-date_time --with-filesystem --with-program_options --with-regex --with-serialization --with-system --with-thread --build-dir=androidx86_64 --stagedir=androidx86_64 toolset=clang threading=multi threadapi=pthread target-os=android stage
```
## And finally: Build Monero
```
cd /opt/android
git clone https://github.com/monero-project/monero
cd monero
```
```
# <patch monero code as needed>
# also, don't abort on warnings (this is only an issue >v0.11.0.0):
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1f74f59..2c791c0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -400,7 +400,7 @@ else()
set(ARCH_FLAG "-march=${ARCH}")
endif()
set(WARNINGS "-Wall -Wextra -Wpointer-arith -Wundef -Wvla -Wwrite-strings -Wno-error=extra -Wno-error=deprecated-declarations -Wno-unused-parameter -Wno-unused-variable -Wno-error=unused-variable -Wno-error=undef -Wno-error=uninitialized")
- if(NOT MINGW)
+ if(NOT MINGW AND NOT ANDROID)
set(WARNINGS_AS_ERRORS_FLAG "-Werror")
endif()
if(CMAKE_C_COMPILER_ID STREQUAL "Clang")
```
```
git clone https://github.com/m2049r/monero.git
cd /opt/android/monero
mkdir -p build/release.android32
cd build/release.android32
# only if not set already set
export PATH=/opt/android/tool32/arm-linux-androideabi/bin:/opt/android/tool32/bin:$PATH
# for zeromq versions (>v0.11.0.0).
CC=clang CXX=clang++ cmake -D BUILD_TESTS=OFF -D ARCH="armv7-a" -D STATIC=ON -D BUILD_64=OFF -D CMAKE_BUILD_TYPE=release -D ANDROID=true -D BUILD_TAG="android" -D BOOST_ROOT=/opt/android/boost_1_58_0 -D BOOST_LIBRARYDIR=/opt/android/boost_1_58_0/android32/lib -D OPENSSL_ROOT_DIR=/opt/android/openssl/android-21 -D CMAKE_POSITION_INDEPENDENT_CODE:BOOL=true -D ZMQ_INCLUDE_PATH=/opt/android/zeromq/include -D ZMQ_LIB=/opt/android/zeromq/lib/libzmq.a ../..
# for pre-zeromq versions (<=v0.11.0.0).
CC=clang CXX=clang++ cmake -D BUILD_TESTS=OFF -D ARCH="armv7-a" -D STATIC=ON -D BUILD_64=OFF -D CMAKE_BUILD_TYPE=release -D ANDROID=true -D BUILD_TAG="android" -D BOOST_ROOT=/opt/android/boost_1_58_0 -D BOOST_LIBRARYDIR=/opt/android/boost_1_58_0/android32/lib -D OPENSSL_ROOT_DIR=/opt/android/openssl/android-21 -D CMAKE_POSITION_INDEPENDENT_CODE:BOOL=true ../..
PATH=/opt/android/tool32/arm-linux-androideabi/bin:/opt/android/tool32/bin:$PATH CC=clang CXX=clang++ cmake -D BUILD_TESTS=OFF -D ARCH="armv7-a" -D STATIC=ON -D BUILD_64=OFF -D CMAKE_BUILD_TYPE=release -D ANDROID=true -D BUILD_TAG="android" -D BOOST_ROOT=/opt/android/boost_1_58_0 -D BOOST_LIBRARYDIR=/opt/android/boost_1_58_0/android32/lib -D OPENSSL_ROOT_DIR=/opt/android/android-openssl/openssl-OpenSSL_1_0_2l -D OPENSSL_CRYPTO_LIBRARY=/opt/android/android-openssl/prebuilt/armeabi/libcrypto.so -D OPENSSL_SSL_LIBRARY=/opt/android/android-openssl/prebuilt/armeabi/libssl.so -D CMAKE_POSITION_INDEPENDENT_CODE:BOOL=true ../..
make
find . -name '*.a' -exec cp '{}' lib \;
cd /opt/android/monero
mkdir -p build/release.android64
cd build/release.android64
PATH=/opt/android/tool64/aarch64-linux-android/bin:/opt/android/tool64/bin:$PATH CC=clang CXX=clang++ cmake -D BUILD_TESTS=OFF -D ARCH="armv8-a" -D STATIC=ON -D BUILD_64=ON -D CMAKE_BUILD_TYPE=release -D ANDROID=true -D BUILD_TAG="android" -D BOOST_ROOT=/opt/android/boost_1_58_0 -D BOOST_LIBRARYDIR=/opt/android/boost_1_58_0/android64/lib -D OPENSSL_ROOT_DIR=/opt/android/android-openssl/openssl-OpenSSL_1_0_2l -D OPENSSL_CRYPTO_LIBRARY=/opt/android/android-openssl/prebuilt/arm64-v8a/libcrypto.so -D OPENSSL_SSL_LIBRARY=/opt/android/android-openssl/prebuilt/arm64-v8a/libssl.so -D CMAKE_POSITION_INDEPENDENT_CODE:BOOL=true ../..
make
find . -name '*.a' -exec cp '{}' lib \;
cd /opt/android/monero
mkdir -p build/release.androidx86
cd build/release.androidx86
PATH=/opt/android/toolx86/i686-linux-android/bin:/opt/android/toolx86/bin:$PATH CC=clang CXX=clang++ cmake -D BUILD_TESTS=OFF -D ARCH="i686" -D STATIC=ON -D BUILD_64=OFF -D CMAKE_BUILD_TYPE=release -D ANDROID=true -D BUILD_TAG="android" -D BOOST_ROOT=/opt/android/boost_1_58_0 -D BOOST_LIBRARYDIR=/opt/android/boost_1_58_0/androidx86/lib -D OPENSSL_ROOT_DIR=/opt/android/android-openssl/openssl-OpenSSL_1_0_2l -D OPENSSL_CRYPTO_LIBRARY=/opt/android/android-openssl/prebuilt/x86/libcrypto.so -D OPENSSL_SSL_LIBRARY=/opt/android/android-openssl/prebuilt/x86/libssl.so -D CMAKE_POSITION_INDEPENDENT_CODE:BOOL=true ../..
make
find . -name '*.a' -exec cp '{}' lib \;
cd /opt/android/monero
mkdir -p build/release.androidx86_64
cd build/release.androidx86_64
PATH=/opt/android/toolx86_64/x86_64-linux-android/bin:/opt/android/toolx86_64/bin:$PATH CC=clang CXX=clang++ cmake -D BUILD_TESTS=OFF -D ARCH="x86-64" -D STATIC=ON -D BUILD_64=ON -D CMAKE_BUILD_TYPE=release -D ANDROID=true -D BUILD_TAG="android" -D BOOST_ROOT=/opt/android/boost_1_58_0 -D BOOST_LIBRARYDIR=/opt/android/boost_1_58_0/androidx86_64/lib -D OPENSSL_ROOT_DIR=/opt/android/android-openssl/openssl-OpenSSL_1_0_2l -D OPENSSL_CRYPTO_LIBRARY=/opt/android/android-openssl/prebuilt/x86_64/libcrypto.so -D OPENSSL_SSL_LIBRARY=/opt/android/android-openssl/prebuilt/x86_64/libssl.so -D CMAKE_POSITION_INDEPENDENT_CODE:BOOL=true ../..
make
find . -name '*.a' -exec cp '{}' lib \;
```
Ignore the warning from the last command - all static libraries are now in `lib`.
Ignore the warning from ```find``` - all monero static libraries are now in `lib`.
# Bringing it all together
- Copy all .a libraries into the appropriate `external-libs` folders.
- Copy `/opt/android/monero/src/wallet/wallet2_api.h` into `external-libs/monero/include`
If using default locations, this would mean:
```
mkdir -p ~/StudioProjects/xmrwallet/external-libs/boost/lib/armeabi-v7a
cp -a /opt/android/boost_1_58_0/android32/lib/*.a ~/StudioProjects/xmrwallet/external-libs/boost/lib/armeabi-v7a
mkdir -p ~/StudioProjects/xmrwallet/external-libs/openssl/lib/armeabi-v7a
cp -a /opt/android/android-openssl/prebuilt/armeabi/*.a ~/StudioProjects/xmrwallet/external-libs/openssl/lib/armeabi-v7a
mkdir -p ~/StudioProjects/xmrwallet/external-libs/monero/lib/armeabi-v7a
cp -a /opt/android/monero/build/release.android32/lib/*.a ~/StudioProjects/xmrwallet/external-libs/monero/lib/armeabi-v7a
mkdir -p ~/StudioProjects/xmrwallet/external-libs/boost/lib/arm64-v8a
cp -a /opt/android/boost_1_58_0/android64/lib/*.a ~/StudioProjects/xmrwallet/external-libs/boost/lib/arm64-v8a
mkdir -p ~/StudioProjects/xmrwallet/external-libs/openssl/lib/arm64-v8a
cp -a /opt/android/android-openssl/prebuilt/arm64-v8a/*.a ~/StudioProjects/xmrwallet/external-libs/openssl/lib/arm64-v8a
mkdir -p ~/StudioProjects/xmrwallet/external-libs/monero/lib/arm64-v8a
cp -a /opt/android/monero/build/release.android64/lib/*.a ~/StudioProjects/xmrwallet/external-libs/monero/lib/arm64-v8a
mkdir -p ~/StudioProjects/xmrwallet/external-libs/boost/lib/x86
cp -a /opt/android/boost_1_58_0/androidx86/lib/*.a ~/StudioProjects/xmrwallet/external-libs/boost/lib/x86
mkdir -p ~/StudioProjects/xmrwallet/external-libs/openssl/lib/x86
cp -a /opt/android/android-openssl/prebuilt/x86/*.a ~/StudioProjects/xmrwallet/external-libs/openssl/lib/x86
mkdir -p ~/StudioProjects/xmrwallet/external-libs/monero/lib/x86
cp -a /opt/android/monero/build/release.androidx86/lib/*.a ~/StudioProjects/xmrwallet/external-libs/monero/lib/x86
mkdir -p ~/StudioProjects/xmrwallet/external-libs/boost/lib/x86_64
cp -a /opt/android/boost_1_58_0/androidx86_64/lib/*.a ~/StudioProjects/xmrwallet/external-libs/boost/lib/x86_64
mkdir -p ~/StudioProjects/xmrwallet/external-libs/openssl/lib/x86_64
cp -a /opt/android/android-openssl/prebuilt/x86_64/*.a ~/StudioProjects/xmrwallet/external-libs/openssl/lib/x86_64
mkdir -p ~/StudioProjects/xmrwallet/external-libs/monero/lib/x86_64
cp -a /opt/android/monero/build/release.androidx86_64/lib/*.a ~/StudioProjects/xmrwallet/external-libs/monero/lib/x86_64
```

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