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*[[Compiling]] - Building PTTLink from source
*[[Compiling]] - Building PTTLink from source
= Installing cross compiling toolchain =
= Cross compiling =
Compiling on the Raspberry PI is both extremely slow and an exercise in pain. Thankfully there are ways to cross compile the software using a standard desktop computer with the Raspberry PI as the target.
== Installing cross compiling toolchain ==
Lintaro has a recent version of the GCC 4.9 compiler that can be used to cross compile binaries for the Raspberry PI.
Lintaro has a recent version of the GCC 4.9 compiler that can be used to cross compile binaries for the Raspberry PI.
2. Install latest GCC 4.9 cross compiler and associated toolset:
2. Install latest GCC 4.9 cross compiler and associated toolset:
== 32 bit ==
=== 32 bit ===
<syntaxhighlight lang="text">wget http://releases.linaro.org/components/toolchain/binaries/4.9-2017.01/arm-linux-gnueabihf/gcc-linaro-4.9.4-2017.01-x86_64_arm-linux-gnueabihf.tar.xz
<syntaxhighlight lang="text">wget http://releases.linaro.org/components/toolchain/binaries/4.9-2017.01/arm-linux-gnueabihf/gcc-linaro-4.9.4-2017.01-x86_64_arm-linux-gnueabihf.tar.xz
sudo tar xf gcc-linaro-4.9.4-2017.01-x86_64_arm-linux-gnueabihf.tar.xz -C /opt</syntaxhighlight>
sudo tar xf gcc-linaro-4.9.4-2017.01-x86_64_arm-linux-gnueabihf.tar.xz -C /opt</syntaxhighlight>
=== 64 bit ===
== 64 bit ==
<syntaxhighlight lang="text">wget http://releases.linaro.org/components/toolchain/binaries/4.9-2017.01/aarch64-linux-gnu/gcc-linaro-4.9.4-2017.01-x86_64_aarch64-linux-gnu.tar.xz
<syntaxhighlight lang="text">wget http://releases.linaro.org/components/toolchain/binaries/4.9-2017.01/aarch64-linux-gnu/gcc-linaro-4.9.4-2017.01-x86_64_aarch64-linux-gnu.tar.xz
sudo tar xf gcc-linaro-4.9.4-2017.01-x86_64_aarch64-linux-gnu.tar.xz -C /opt</syntaxhighlight>
sudo tar xf gcc-linaro-4.9.4-2017.01-x86_64_aarch64-linux-gnu.tar.xz -C /opt</syntaxhighlight>
== Raspberry PI 3 ==
== Raspberry PI 3 ==