mirror of
https://github.com/topjohnwu/ndk-busybox.git
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35 lines
1003 B
Bash
35 lines
1003 B
Bash
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#!/bin/sh
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#
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# Figure out (i) the type of dev_t (ii) the defines for loop stuff
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#
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rm -f loop.h
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# Since 1.3.79 there is an include file <asm/posix_types.h>
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# that defines __kernel_dev_t.
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# (The file itself appeared in 1.3.78, but there it defined __dev_t.)
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# If it exists, we use it, or, rather, <linux/posix_types.h> which
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# avoids namespace pollution. Otherwise we guess that __kernel_dev_t
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# is an unsigned short (which is true on i386, but false on alpha).
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if [ -f /usr/include/linux/posix_types.h ]; then
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echo '#include <linux/posix_types.h>' >> loop.h
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echo '#undef dev_t' >> loop.h
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echo '#define dev_t __kernel_dev_t' >> loop.h
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else
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echo '#undef dev_t' >> loop.h
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echo '#define dev_t unsigned short' >> loop.h
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fi
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# Next we have to find the loop stuff itself.
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# First try kernel source, then a private version.
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if [ -f /usr/include/linux/loop.h ]; then
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echo '#include <linux/loop.h>' >> loop.h
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else
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echo '#include "real_loop.h"' >> loop.h
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fi
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echo '#undef dev_t' >> loop.h
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