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|
#!/bin/sh
#
# Discard symbols and other data from object files.
#
# Reference:
# https://www.linuxfromscratch.org/lfs/view/systemd/chapter08/stripping.html
# https://www.debian.org/doc/debian-policy/ch-files.html
#
# Set variables.
STRIPCMD_REGULAR="strip --remove-section=.comment --remove-section=.note --preserve-dates"
STRIPCMD_DEBUG="strip --strip-debug --remove-section=.comment --remove-section=.note --preserve-dates"
STRIPCMD_UNNEEDED="strip --strip-unneeded --remove-section=.comment --remove-section=.note --preserve-dates"
STRIPDIR_REGULAR="
"
STRIPDIR_DEBUG="
/usr/lib/modules
"
STRIPDIR_UNNEEDED="
/etc/hsflowd/modules
/usr/bin
/usr/lib/openvpn
/usr/lib/x86_64-linux-gnu
/usr/lib32
/usr/lib64
/usr/libx32
/usr/sbin
"
STRIP_EXCLUDE=`dpkg-query -L libbinutils | grep '.so'`
# Perform stuff.
echo "Stripping symbols..."
# List excluded files.
echo "Exclude files: ${STRIP_EXCLUDE}"
# CMD: strip
for DIR in ${STRIPDIR_REGULAR}; do
echo "Parse dir (strip): ${DIR}"
find ${DIR} -type f -exec file {} \; | grep 'not stripped' | cut -d ":" -f 1 | while read FILE; do
echo "${STRIP_EXCLUDE}" | grep -F -q -w "${FILE}"
if [ $? -ne 0 ]; then
echo "Strip file (strip): ${FILE}"
${STRIPCMD_REGULAR} ${FILE}
fi
done
done
# CMD: strip --strip-debug
for DIR in ${STRIPDIR_DEBUG}; do
echo "Parse dir (strip-debug): ${DIR}"
find ${DIR} -type f -exec file {} \; | grep 'not stripped' | cut -d ":" -f 1 | while read FILE; do
echo "${STRIP_EXCLUDE}" | grep -F -q -w "${FILE}"
if [ $? -ne 0 ]; then
echo "Strip file (strip-debug): ${FILE}"
${STRIPCMD_DEBUG} ${FILE}
fi
done
done
# CMD: strip --strip-unneeded
for DIR in ${STRIPDIR_UNNEEDED}; do
echo "Parse dir (strip-unneeded: ${DIR}"
find ${DIR} -type f -exec file {} \; | grep 'not stripped' | cut -d ":" -f 1 | while read FILE; do
echo "${STRIP_EXCLUDE}" | grep -F -q -w "${FILE}"
if [ $? -ne 0 ]; then
echo "Strip file (strip-unneeded): ${FILE}"
${STRIPCMD_UNNEEDED} ${FILE}
fi
done
done
# Remove binutils package.
apt-get -y purge --autoremove binutils
|
