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|
#! /bin/sh
#
# generate shlibs/symbols files for samba packages
#
# samba ships a mix of:
# public libraries with stable ABI in /usr/lib
# public libraries in /usr/lib
# public python libraries in /usr/lib
# private libraries in /usr/lib/samba/
# plugins in /usr/lib/samba/*/
#
# For public libraries with stable ABI we generate symbols files.
# These are listed in d/package.symbols files.
# For other librries, we only need to generate shlibs files
# with basic version information so that dpkg-shlibdeps will find them.
# Here, for libs without .symbols file, we have 2 choices:
# for public libraries we generate ($pkg >> $version) dependency in
# shlibs file, but for private libs the relation is equality (=).
# We do not process plugins, and we do not process python objects.
#
# dh_makeshlibs is too difficult to use here, we have much simpler approach.
# We know exactly where our libs resides (dh_makeshlibs looks everywhere)
# and we know filename patterns to recognize our shared libs.
# dh_makeshlibs can not be used to generate symbols files for *some* libraries
# (it is either all if .symbols is provided, or nothing if not).
# It is easier to take strightforward approach than to fight a tool.
set -e
umask 022
: ${DEB_VERSION:=$(dpkg-parsechangelog -S Version)}
: ${DEB_HOST_MULTIARCH:=$(dpkg-architecture -qDEB_HOST_MULTIARCH)}
# arguments in form pkg1=custom-version pkg2=version2...
# to override ${DEB_VERSION} for the given packages
custvers="$*"
lib=usr/lib/${DEB_HOST_MULTIARCH} # the only library directory
smblib=$lib/samba # samba private libraries
rc=0
# process all packages but skip those without libs of interst
for pkg in $(dh_listpackages); do
pd=debian/$pkg # package directory
# find library directories
libs=
for x in $lib $smblib ; do
[ -d $pd/$x ] && libs="$libs $x"
done
[ -n "$libs" ] || continue
# find libraries in library dirs (search for libfoo.so.NN names)
libs="$(cd $pd; find $libs -maxdepth 1 -regex '.*\.so.[0-9]+')"
[ -n "$libs" ] || continue
ver=${DEB_VERSION}
for x in $custvers; do
case "$x" in
( $pkg=* ) ver=${x#*=}; break;;
esac
done
echo "${0##*/}: processing $pkg $ver"
if [ libsmbclient0 = $pkg ]; then
# run dh_makeshlibs to emit t64:Provides properly
# it should contain just one (public) library file
dh_makeshlibs -p $pkg -- -v$ver || rc=1
continue
fi
# generate shlibs file: for public libs use >>$ver, for private =$ver
mkdir -p $pd/DEBIAN
for x in $libs; do
case "$x" in
($smblib/*) rel="= $ver";;
(*) rel=">> $ver~";;
esac
x=${x##*/}
echo "${x%.so.*} ${x#**.so.} $pkg ($rel)"
done | LC_ALL=C sort > $pd/DEBIAN/shlibs
# see if we have any public (eg, not in /usr/lib/samba/) libs
if echo "$libs" | fgrep -qv $smblib/; then
# generate ldconfig trigger activation
x=debian/.debhelper/generated/$pkg/triggers
y="activate-noawait ldconfig"
mkdir -p ${x%/*}
if [ ! -f $x ] || ! grep -q "^$y" $x; then
echo "# Triggers added by Samba:$0 ${DEB_VERSION}
$y" >> $x
fi
fi
# packages without .symbols file need no further processing
[ -f debian/$pkg.symbols ] || continue
# process libraries listed in .symbols files with dpkg-gensymbols
# find libraries listed in .symbols, find full path of them in $libs
# and construct -e$filename argument list in $checklibs for dpkg-gensymbols
symlibs=$(sed -n -r 's/^([a-z][^ ]*) .*/\1/p' debian/$pkg.symbols)
checklibs=
for x in $symlibs; do
for y in $libs; do
case $y in (*/$x) checklibs="$checklibs -e$pd/$y"; break;; esac
done
done
# dpkg-gensymbols will detect listed but missing libs
# here we continue if dpkg-gensymbols failed to collect all errors
x=0; dpkg-gensymbols -c4 -p$pkg -P$pd -v$ver -l$smblib $checklibs || x=$?
if [ $x = 0 ]; then :
elif [ $x = 2 ]; then rc=1
else exit 1
fi
done
exit $rc
|
