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== ninja ==
== first attempt ==
=== ninja ===
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git clone git://github.com/martine/ninja.git
git clone git://github.com/martine/ninja.git
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== clang ==
=== clang ===
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git clone http://llvm.org/git/llvm.git
git clone http://llvm.org/git/llvm.git
I didn't fully test the <code>-j</code> (concurrent build) options to ninja. ninja defaults to 6 on the rpi2. You will run out of memory if you do this. Even if you create larger swap for the pi, swapping to an sd card is a really major performance hit and you will be better of using fewer cores.
I didn't fully test the <code>-j</code> (concurrent build) options to ninja. ninja defaults to 6 on the rpi2. You will run out of memory if you do this. Even if you create larger swap for the pi, swapping to an sd card is a really major performance hit and you will be better of using fewer cores.
== self hosted clang ==
=== self hosted clang ===
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cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_C_COMPILER=/usr/local/bin/clang -DCMAKE_CXX_COMPILER=/usr/local/bin/clang++ ../llvm -G Ninja
cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_C_COMPILER=/usr/local/bin/clang -DCMAKE_CXX_COMPILER=/usr/local/bin/clang++ ../llvm -G Ninja
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== ispc ==
=== ispc ===
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make ARM_ENABLED=1 -j4
make ARM_ENABLED=1 -j4
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