forked from mirrors/nixpkgs
dd8d0e3000
This will override the existing winsymlinks setting. nativestrict will cause ln to fail if it's unable to create a native symlink. Native symlinks are required for the windows dll loader to find the libraries. This script is also used for cross-mingw, but setting CYGWIN shouldn't cause a problem.
46 lines
1.6 KiB
Bash
46 lines
1.6 KiB
Bash
|
|
fixupOutputHooks+=(_linkDLLs)
|
|
|
|
# For every *.{exe,dll} in $output/bin/ we try to find all (potential)
|
|
# transitive dependencies and symlink those DLLs into $output/bin
|
|
# so they are found on invocation.
|
|
# (DLLs are first searched in the directory of the running exe file.)
|
|
# The links are relative, so relocating whole /nix/store won't break them.
|
|
_linkDLLs() {
|
|
(
|
|
if [ ! -d "$prefix/bin" ]; then exit; fi
|
|
cd "$prefix/bin"
|
|
|
|
# Compose path list where DLLs should be located:
|
|
# prefix $PATH by currently-built outputs
|
|
local DLLPATH=""
|
|
local outName
|
|
for outName in $outputs; do
|
|
addToSearchPath DLLPATH "${!outName}/bin"
|
|
done
|
|
DLLPATH="$DLLPATH:$PATH"
|
|
|
|
echo DLLPATH="'$DLLPATH'"
|
|
|
|
linkCount=0
|
|
# Iterate over any DLL that we depend on.
|
|
local dll
|
|
for dll in $(objdump -p *.{exe,dll} | sed -n 's/.*DLL Name: \(.*\)/\1/p' | sort -u); do
|
|
if [ -e "./$dll" ]; then continue; fi
|
|
# Locate the DLL - it should be an *executable* file on $DLLPATH.
|
|
local dllPath="$(PATH="$DLLPATH" type -P "$dll")"
|
|
if [ -z "$dllPath" ]; then continue; fi
|
|
# That DLL might have its own (transitive) dependencies,
|
|
# so add also all DLLs from its directory to be sure.
|
|
local dllPath2
|
|
for dllPath2 in "$dllPath" "$(dirname $(readlink "$dllPath" || echo "$dllPath"))"/*.dll; do
|
|
if [ -e ./"$(basename "$dllPath2")" ]; then continue; fi
|
|
CYGWIN+=\ winsymlinks:nativestrict ln -sr "$dllPath2" .
|
|
linkCount=$(($linkCount+1))
|
|
done
|
|
done
|
|
echo "Created $linkCount DLL link(s) in $prefix/bin"
|
|
)
|
|
}
|
|
|