fgmeta/fix_macOS_libevent_rpath.sh
2022-03-08 15:14:17 +00:00

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#!/bin/bash
# libEvent uses absolute paths inside the dylibs on macOS. It's been politely
# suggested they switch to a more standard relative rpath scheme, but so far
# the maintainers are not keen, and instead recommend a post-build
# fix-up step using installnametool, so that's what this script does.
#
# see: https://github.com/libevent/libevent/issues/920
echo "Editing libEvent rpaths in: $1"
pushd $1
names="event|event_core|event_extra"
find -E . -type f -depth 1 \
-regex "\\./lib($names)"'-([0-9]+\.[0-9]+\.[0-9]+)\.dylib$' | \
while read filename; do
filename="${filename#./}" # get rid of the './'
# extract the version part using sed, yuck
version=$(printf "%s" "$filename" | sed -Ee 's@.*-([0-9]+\.[0-9]+\.[0-9]+)\.dylib$@\1@')
echo "Found: '$filename'. Version is: $version"
install_name_tool -id "@rpath/${filename}" ${filename}
# change primary and 'core' library references
# if a reference is not found, it's not touched, so we can apply these each time
install_name_tool -change "$PWD/libevent_core-$version.dylib" "@rpath/libevent_core-$version.dylib" ${filename}
install_name_tool -change "$PWD/libevent-$version.dylib" "@rpath/libevent-$version.dylib" ${filename}
done
popd
echo "Done fixing install names for libEvent"