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Android:NDK:Toolchains

lastmod 2018-08-17created 2016-06-241 edits

Installing the Android NDK and extracting the toolchain

Download and install the NDK. 

$ tar -jxvf android-ndk-r6-linux-x86.tar.bz2
$ android-ndk-r6/build/tools/make-standalone-toolchain.sh --platform=android-8 --install-dir=/opt/android-8-toolchain

Or 

$ cd android-ndk-r6/build/tools
$ ./make-standalone-toolchain.sh --ndk-dir=/home/ziippy/Android/android-ndk-r6 --platform=android-8 --install-dir=/opt/android-8-toolchain

This puts the toolchain in /opt/android-8-toolchain. Build with it. To compile sample code, assuming there is a test.cpp, create a Makefile as follows. 

ARM_COMPILE = /opt/android-8-toolchain/bin/arm-linux-androideabi-
CC = g++

ARM_CC = $(ARM_COMPILE)g++
ARM_INCLUDES = -I /opt/android-8-toolchain/sysroot/usr/include
CFLAGS = -O2 -Wall -D_LINUX -fno-strict-aliasing -D_COLOR_LOG
BINS = test

arm:
        $(ARM_CC) $(CFLAGS) -o test_arm test.cpp $(ARM_INCLUDES)

For reference, to register it in the environment variables, add the path to /etc/profile. 

export PATH=/opt/android-8-toolchain/bin:$PATH

Then you can simply do this 

$ arm-linux-androideabi-g++ -o test_arm test.cpp

See also

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