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@@ -0,0 +1,23 @@
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+
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+# Using clang
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+
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+```
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+export CC=clang-6.0
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+export CXX=clang++-6.0
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+rm CMakeCache.txt
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+cmake .
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+```
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+
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+Then make like "normal".
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+
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+Where normal is getting things like:
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+
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+ Invalid opcode
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+
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+?!? What the smeg ?!?
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+
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+Also, *apparently* it takes different settings to
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+tell clang to make a debug build. It doesn't
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+with our config. Debugging invalid opcode was
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+pretty much impossible.
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+
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