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Update the build system for pristine source directory builds. This

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update is primarily work done by Larry Doolittle, but I did some
touchups of my own to make it work for me,
 -Erik
This commit is contained in:
Eric Andersen
2001-02-17 00:42:47 +00:00
parent 69c8572f29
commit 19f86207f5
9 changed files with 166 additions and 84 deletions
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23
libbb/mk_loop_h.sh
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@@ -2,8 +2,7 @@
#
# Figure out (i) the type of dev_t (ii) the defines for loop stuff
#
rm -f loop.h
# Output of this script is normally redirected to "loop.h".
# Since 1.3.79 there is an include file <asm/posix_types.h>
# that defines __kernel_dev_t.
@@ -12,23 +11,27 @@ rm -f loop.h
# avoids namespace pollution. Otherwise we guess that __kernel_dev_t
# is an unsigned short (which is true on i386, but false on alpha).
# BUG: This test is actually broken if your gcc is not configured to
# search /usr/include, as may well happen with cross-compilers.
# It would be better to ask $(CC) if these files can be found.
if [ -f /usr/include/linux/posix_types.h ]; then
echo '#include <linux/posix_types.h>' >> loop.h
echo '#undef dev_t' >> loop.h
echo '#define dev_t __kernel_dev_t' >> loop.h
echo '#include <linux/posix_types.h>'
echo '#undef dev_t'
echo '#define dev_t __kernel_dev_t'
else
echo '#undef dev_t' >> loop.h
echo '#define dev_t unsigned short' >> loop.h
echo '#undef dev_t'
echo '#define dev_t unsigned short'
fi
# Next we have to find the loop stuff itself.
# First try kernel source, then a private version.
if [ -f /usr/include/linux/loop.h ]; then
echo '#include <linux/loop.h>' >> loop.h
echo '#include <linux/loop.h>'
else
echo '#include "real_loop.h"' >> loop.h
echo '#include "real_loop.h"'
fi
echo '#undef dev_t' >> loop.h
echo '#undef dev_t'