#! /bin/sh
# Update .so symlinks and remove obsolete diversions.
#
# Removing a diversion requires a guarantee that the conflicting
# file is not present any more, and we cannot guarantee that if
# some other version of binutils-multiarch is installed.
# So we remove the diversions in postinst, not preinst.
set -e
old_diversion() {
	local divertto file
	file=$1
	divertto=${2-$file.single}
	if
		dpkg-divert --package binutils-multiarch --list |
		grep -q -F "$divertto"
	then
		dpkg-divert --package binutils-multiarch \
				--remove --rename \
				--divert "$divertto" "$file"
	fi
}

# remove obsolete diversions
old_diversion /usr/bin/ld.bfd
old_diversion /usr/bin/c++filt
old_diversion /usr/lib/libbfd.a /usr/lib/libbfd-single.a
old_diversion /usr/lib/libopcodes.a /usr/lib/libopcodes-single.a
old_diversion /usr/bin/ld
old_diversion /usr/bin/elfedit
for f in elf32_sparc elf32ppc elf64alpha elf_i386 m68kelf \
         alpha i386linux m68klinux sparclinux sun4
do
	for ext in x xbn xn xr xs xu
	do
		old_diversion /usr/lib/ldscripts/$f.$ext
	done
done
old_diversion /usr/lib/libbfd-2.9.1.0.15.so.0.0.0 \
              /usr/lib/libbfd-single-2.9.1.0.15.so.0.0.0
old_diversion /usr/lib/libopcodes-2.9.1.0.15.so.0.0.0 \
              /usr/lib/libopcodes-single-2.9.1.0.15.so.0.0.0
old_diversion /usr/lib/libbfd.la /usr/lib/libbfd-single.la
old_diversion /usr/lib/libopcodes.la /usr/lib/libopcodes-single.la
old_diversion /usr/include/bfd.h /usr/include/bfd.single.h
old_diversion /usr/lib/ldscripts

rm -f /usr/lib/libbfd-*-multiarch.so.0
rm -f /usr/lib/libopcodes-*-multiarch.so.0

if [ "$1" = "configure" ]; then
	ldconfig
fi