nixpkgs/pkgs/build-support/dart/build-dart-application/hooks/dart-fixup-hook.sh
hacker1024 cf55bc7300 buildDartApplication: Generate LD_LIBRARY_PATH at build time
This allows setup hooks to add runtime dependencies.
2023-12-26 17:08:51 +02:00

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# shellcheck shell=bash
dartFixupHook() {
echo "Executing dartFixupHook"
declare -a wrapProgramArgs
# Add runtime library dependencies to the LD_LIBRARY_PATH.
# For some reason, the RUNPATH of the executable is not used to load dynamic libraries in dart:ffi with DynamicLibrary.open().
#
# This could alternatively be fixed with patchelf --add-needed, but this would cause all the libraries to be opened immediately,
# which is not what application authors expect.
APPLICATION_LD_LIBRARY_PATH=""
for runtimeDependency in "${runtimeDependencies[@]}"; do
addToSearchPath APPLICATION_LD_LIBRARY_PATH "${runtimeDependency}/lib"
done
if [[ ! -z "$APPLICATION_LD_LIBRARY_PATH" ]]; then
wrapProgramArgs+=(--suffix LD_LIBRARY_PATH : \"$APPLICATION_LD_LIBRARY_PATH\")
fi
if [[ ! -z "$extraWrapProgramArgs" ]]; then
wrapProgramArgs+=("$extraWrapProgramArgs")
fi
if [ ${#wrapProgramArgs[@]} -ne 0 ]; then
for f in "$out"/bin/*; do
echo "Wrapping $f..."
eval "wrapProgram \"$f\" ${wrapProgramArgs[@]}"
done
fi
echo "Finished dartFixupHook"
}
postFixupHooks+=(dartFixupHook)