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e72b347c1d
The current DLL linker only links direct dependencies of the derivation. Indirect dependencies are sometimes missed.
90 lines
3 KiB
Bash
90 lines
3 KiB
Bash
fixupOutputHooks+=(_linkDLLs)
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addEnvHooks "$targetOffset" linkDLLGetFolders
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linkDLLGetFolders() {
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addToSearchPath "LINK_DLL_FOLDERS" "$1/lib"
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addToSearchPath "LINK_DLL_FOLDERS" "$1/bin"
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}
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_linkDLLs() {
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linkDLLsInfolder "$prefix/bin"
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}
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# Try to links every known dependency of exe/dll in the folder of the 1str input
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# into said folder, so they are found on invocation.
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# (DLLs are first searched in the directory of the running exe file.)
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# The links are relative, so relocating whole /nix/store won't break them.
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linkDLLsInfolder() {
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(
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local folder
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folder="$1"
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if [ ! -d "$folder" ]; then
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echo "Not linking DLLs in the non-existent folder $folder"
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return
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fi
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cd "$folder" || exit
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# Use associative arrays as set
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local filesToChecks
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local filesDone
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declare -A filesToChecks # files that still needs to have their dependancies checked
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declare -A filesDone # files that had their dependancies checked and who is copied to the bin folder if found
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markFileAsDone() {
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if [ ! "${filesDone[$1]+a}" ]; then filesDone[$1]=a; fi
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if [ "${filesToChecks[$1]+a}" ]; then unset 'filesToChecks[$1]'; fi
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}
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addFileToLink() {
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if [ "${filesDone[$1]+a}" ]; then return; fi
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if [ ! "${filesToChecks[$1]+a}" ]; then filesToChecks[$1]=a; fi
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}
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# Compose path list where DLLs should be located:
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# prefix $PATH by currently-built outputs
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local DLLPATH=""
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local outName
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for outName in $(getAllOutputNames); do
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addToSearchPath DLLPATH "${!outName}/bin"
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done
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DLLPATH="$DLLPATH:$LINK_DLL_FOLDERS"
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echo DLLPATH="'$DLLPATH'"
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for peFile in *.{exe,dll}; do
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if [ -e "./$peFile" ]; then
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addFileToLink "$peFile"
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fi
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done
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local searchPaths
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readarray -td: searchPaths < <(printf -- "%s" "$DLLPATH")
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local linkCount=0
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while [ ${#filesToChecks[*]} -gt 0 ]; do
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local listOfDlls=("${!filesToChecks[@]}")
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local file=${listOfDlls[0]}
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markFileAsDone "$file"
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if [ ! -e "./$file" ]; then
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local pathsFound
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readarray -d '' pathsFound < <(find -L "${searchPaths[@]}" -name "$file" -type f -print0)
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if [ ${#pathsFound[@]} -eq 0 ]; then continue; fi
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local dllPath
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dllPath="${pathsFound[0]}"
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CYGWIN+=" winsymlinks:nativestrict" ln -sr "$dllPath" .
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echo "linking $dllPath"
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file="$dllPath"
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linkCount=$((linkCount + 1))
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fi
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# local dep_file
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# Look at the file’s dependancies
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for dep_file in $($OBJDUMP -p "$file" | sed -n 's/.*DLL Name: \(.*\)/\1/p' | sort -u); do
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addFileToLink "$dep_file"
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done
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done
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echo "Created $linkCount DLL link(s) in $folder"
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)
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}
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