43 lines
1.4 KiB
Bash
43 lines
1.4 KiB
Bash
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#!/bin/sh
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GETVER="${0%/*}/getver.pl"
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GDLIB_MAJOR=$("${GETVER}" MAJOR)
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GDLIB_MINOR=$("${GETVER}" MINOR)
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GDLIB_REVISION=$("${GETVER}" RELEASE)
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# Dynamic library version information
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# See http://www.gnu.org/software/libtool/manual/libtool.html#Updating-version-info
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GDLIB_LT_CURRENT=3
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# This is the version where the soname (current above) changes. We use it
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# to reset the revision base back to zero. It's a bit of a pain, but some
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# systems restrict the revision range below to [0..255] (like OS X).
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GDLIB_PREV_MAJOR=2
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GDLIB_PREV_MINOR=2
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# This isn't 100% correct, but it tends to be a close enough approximation
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# for how we manage the codebase. It's rare to do a release that doesn't
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# modify the library since this project is centered around the library.
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GDLIB_LT_REVISION=$(( ((GDLIB_MAJOR - GDLIB_PREV_MAJOR) << 6) | ((GDLIB_MINOR - GDLIB_PREV_MINOR) << 3) | GDLIB_REVISION ))
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GDLIB_LT_AGE=0
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# The first three fields we feed into libtool and the OS target determines how
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# they get used. The last two fields we feed into cmake. We use the same rules
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# as Linux SONAME versioning in libtool, but cmake should handle it for us.
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case $1 in
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CURRENT)
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printf '%s' "${GDLIB_LT_CURRENT}"
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;;
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REVISION)
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printf '%s' "${GDLIB_LT_REVISION}"
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;;
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AGE)
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printf '%s' "${GDLIB_LT_AGE}"
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;;
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VERSION)
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printf '%s' "$(( GDLIB_LT_CURRENT - GDLIB_LT_AGE )).${GDLIB_LT_AGE}.${GDLIB_LT_REVISION}"
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;;
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SONAME)
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printf '%s' "$(( GDLIB_LT_CURRENT - GDLIB_LT_AGE ))"
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;;
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esac
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