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= Android porting notes =
How to setup a Ubuntu 12.04 machine to cross compile for different architectures.
== Setup ==
Install tools:
sudo apt-get install kernel-package build-essential git gcc-arm-linux-gnueabi gcc-arm-linux-gnueabihf gcc-4.6-multilib-arm-linux-gnueabihf gcc-4.6-multilib-arm-linux-gnueabi
== Environment ==
Ubuntu has a command called ''dpkg-architecture'' which setups up most of the cross compile environment.
64-bit x86:
export $(dpkg-architecture -aamd64)
32-bit x86:
export $(dpkg-architecture -ai386)
armhf (RaspberryPi/uPC):
export $(dpkg-architecture -aarmhf)
export CROSS_COMPILE=arm-linux-gnueabihf-
export CCPREFIX=${CROSS_COMPILE}
armel:
export $(dpkg-architecture -aarmel)
export CROSS_COMPILE=arm-linux-gnueabi-
export CCPREFIX=${CROSS_COMPILE}
Shared Variables:
export CONCURRENCY_LEVEL=`grep -c '^processor' /proc/cpuinfo`
export ROOT_CMD=fakeroot
== Build ==
#Make
export CC=${CROSS_COMPILE}gcc
STATIC=1 make ARCH=arm
= Ubuntu 17.04 =
Considerably easier with a cross-compilation enable distribution, swap architecture as needed.
=== Setup ===
apt-get install gcc-4.9-aarch64-linux-gnu
=== Build ===
CC=aarch64-linux-gnu-gcc-4.9 STATIC=1 make
M.Srikanth Kumar, Jul 14, 2015
Colin Ian King, Dec 6, 2016 (updated, static linking)
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