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19f86207f5
update is primarily work done by Larry Doolittle, but I did some touchups of my own to make it work for me, -Erik
38 lines
1.1 KiB
Bash
Executable File
38 lines
1.1 KiB
Bash
Executable File
#!/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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# Output of this script is normally redirected to "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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# BUG: This test is actually broken if your gcc is not configured to
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# search /usr/include, as may well happen with cross-compilers.
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# It would be better to ask $(CC) if these files can be found.
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if [ -f /usr/include/linux/posix_types.h ]; then
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echo '#include <linux/posix_types.h>'
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echo '#undef dev_t'
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echo '#define dev_t __kernel_dev_t'
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else
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echo '#undef dev_t'
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echo '#define dev_t unsigned short'
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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>'
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else
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echo '#include "real_loop.h"'
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fi
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echo '#undef dev_t'
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