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Convert #ifdef to #if, other build changes
author Matt Johnston <matt@ucc.asn.au>
date Wed, 04 May 2016 15:33:40 +0200
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children 198e2ee0f4b1
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#!/bin/sh

# Wrap all "#define X Y" with a #ifndef X...#endif"

sed -E 's/^(#define ([^ ]+) .*)/#ifndef \2\
\1\
#endif/'