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Line 22: − Linaro has a recent version of the GCC 4.9 compiler that can be used to cross compile binaries for the Raspberry PI.+ + − 1. Install tools:<syntaxhighlight lang="text">+ − apt install git make gcc device-tree-compiler bison flex libssl-dev libncurses-dev</syntaxhighlight>+ − 2. Install latest GCC 4.9 cross compiler and associated toolset:+ − + − +
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== Installing cross compiling toolchain ==
== Installing cross compiling toolchain ==
Run the following to install a newer cross compiling toolchain from your distro's package tree along with other necessary utilities:
<syntaxhighlight lang="text">apt-get install -y git bc bison flex libssl-dev make device-tree-compiler libc6-dev libncurses5-dev crossbuild-essential-armhf crossbuild-essential-arm64</syntaxhighlight>
=== GCC 4.9 ===
If you intend to cross compile pieces of the Asterisk 1.4 distribution then you will need the GCC 4.9.x compiler. Linaro has a recent version of the GCC 4.9 compiler that we can use for this.
Install latest GCC 4.9.x 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>