Stuck on an issue?

Lightrun Answers was designed to reduce the constant googling that comes with debugging 3rd party libraries. It collects links to all the places you might be looking at while hunting down a tough bug.

And, if you’re still stuck at the end, we’re happy to hop on a call to see how we can help out.

Windows build issue: error LNK2001: unresolved external symbol "public: enum realm::ComputedPrivileges __cdecl realm::Realm::get_privileges

See original GitHub issue

Goals

Have realm.js (version >= 2.3.0) to get rebuilt for electron 2.0.x on Windows 10

Expected Results

Building from source should happen without errors

Actual Results

$ install-app-deps
  • please use as subcommand: electron-builder install-app-deps
  • electron-builder version=20.16.2
  • loaded configuration file=package.json ("build" field)
  • rebuilding native production dependencies platform=win32 arch=x64
  • rebuilding native dependency name=realm
Error: C:\Program Files\nodejs\node.exe exited with code 1
Output:
yarn run v1.7.0
$ node-pre-gyp install --fallback-to-build

C:\work\realm-windows-build\node_modules\realm>if not defined npm_config_node_gyp (node "C:\Program Files\nodejs\node_modules\npm\bin\node-gyp-bin\\..\..\node_modules\node-gyp\bin\node-gyp.js" clean )  else (node "" clean ) 

C:\work\realm-windows-build\node_modules\realm>if not defined npm_config_node_gyp (node "C:\Program Files\nodejs\node_modules\npm\bin\node-gyp-bin\\..\..\node_modules\node-gyp\bin\node-gyp.js" configure --fallback-to-build --module=C:\work\realm-windows-b
uild\node_modules\realm\compiled\electron-v2.0_win32_x64\realm.node --module_name=realm --module_path=C:\work\realm-windows-build\node_modules\realm\compiled\electron-v2.0_win32_x64 --python=C:\Users\joco-\.windows-build-tools\python27\python.exe --msvs_v
ersion=2015 )  else (node "" configure --fallback-to-build --module=C:\work\realm-windows-build\node_modules\realm\compiled\electron-v2.0_win32_x64\realm.node --module_name=realm --module_path=C:\work\realm-windows-build\node_modules\realm\compiled\electr
on-v2.0_win32_x64 --python=C:\Users\joco-\.windows-build-tools\python27\python.exe --msvs_version=2015 ) 
Warning: Missing input files:
C:\work\realm-windows-build\node_modules\realm\build\..\scripts\test.sh
C:\work\realm-windows-build\node_modules\realm\build\..\src\object-store\src\util\compiler.hpp
C:\work\realm-windows-build\node_modules\realm\build\..\lib\browser\util.jsscripts\build-node-pre-gyp.ps1
C:\work\realm-windows-build\node_modules\realm\build\..\scripts\changelog-header.sh
C:\work\realm-windows-build\node_modules\realm\build\..\src\object-store\src\descriptor_ordering.hpp
C:\work\realm-windows-build\node_modules\realm\build\..\scripts\set-version.sh
C:\work\realm-windows-build\node_modules\realm\build\..\scripts\publish.sh

C:\work\realm-windows-build\node_modules\realm>if not defined npm_config_node_gyp (node "C:\Program Files\nodejs\node_modules\npm\bin\node-gyp-bin\\..\..\node_modules\node-gyp\bin\node-gyp.js" build --fallback-to-build --module=C:\work\realm-windows-build
\node_modules\realm\compiled\electron-v2.0_win32_x64\realm.node --module_name=realm --module_path=C:\work\realm-windows-build\node_modules\realm\compiled\electron-v2.0_win32_x64 )  else (node "" build --fallback-to-build --module=C:\work\realm-windows-bui
ld\node_modules\realm\compiled\electron-v2.0_win32_x64\realm.node --module_name=realm --module_path=C:\work\realm-windows-build\node_modules\realm\compiled\electron-v2.0_win32_x64 ) 
Building the projects in this solution one at a time. To enable parallel build, please add the "/m" switch.
  download-realm
  Resolved requirements: { CORE_SERVER_FOLDER: 'core/v5.4.0/windows/x64/nouwp/Release',
    CORE_ARCHIVE: 'realm-core-Release-v5.4.0-Windows-x64-devel.tar.gz' }
  No lockfile found at the target, proceeding.
  Download url: https://static.realm.io/downloads/core/v5.4.0/windows/x64/nouwp/Release/realm-core-Release-v5.4.0-Windows-x64-devel.tar.gz
  Extracting realm-core-Release-v5.4.0-Windows-x64-devel.tar.gz => C:\work\realm-windows-build\node_modules\realm\vendor\realm-win-x64
  Success
  binding_callback_thread_observer.cpp
  collection_notifications.cpp
  index_set.cpp
  list.cpp
  object.cpp
  placeholder.cpp
  object_schema.cpp
  object_store.cpp
  results.cpp
  schema.cpp
  shared_realm.cpp
  thread_safe_reference.cpp
  collection_change_builder.cpp
  collection_notifier.cpp
  list_notifier.cpp
  object_notifier.cpp
  primitive_list_notifier.cpp
  realm_coordinator.cpp
  results_notifier.cpp
  transact_log_handler.cpp
  weak_realm_notifier.cpp
  uuid.cpp
  external_commit_helper.cpp
  win_delay_load_hook.cc
  object-store.vcxproj -> C:\work\realm-windows-build\node_modules\realm\build\Release\\object-store.lib
  js_realm.cpp
  node_init.cpp
  platform.cpp
  win_delay_load_hook.cc
     Creating library C:\work\realm-windows-build\node_modules\realm\build\Release\realm.lib and object C:\work\realm-windows-build\node_modules\realm\build\Release\realm.exp
node_init.obj : error LNK2001: unresolved external symbol "public: enum realm::ComputedPrivileges __cdecl realm::Realm::get_privileges(void)" (?get_privileges@Realm@realm@@QEAA?AW4ComputedPrivileges@2@XZ) [C:\work\realm-windows-build\node_modules\realm\bu
ild\realm.vcxproj]
node_init.obj : error LNK2001: unresolved external symbol "public: enum realm::ComputedPrivileges __cdecl realm::Realm::get_privileges(class realm::StringData)" (?get_privileges@Realm@realm@@QEAA?AW4ComputedPrivileges@2@VStringData@2@@Z) [C:\work\realm-wi
ndows-build\node_modules\realm\build\realm.vcxproj]
node_init.obj : error LNK2001: unresolved external symbol "public: enum realm::ComputedPrivileges __cdecl realm::Realm::get_privileges(class realm::BasicRowExpr<class realm::Table>)" (?get_privileges@Realm@realm@@QEAA?AW4ComputedPrivileges@2@V?$BasicRowEx
pr@VTable@realm@@@2@@Z) [C:\work\realm-windows-build\node_modules\realm\build\realm.vcxproj]
C:\work\realm-windows-build\node_modules\realm\build\Release\realm.node : fatal error LNK1120: 3 unresolved externals [C:\work\realm-windows-build\node_modules\realm\build\realm.vcxproj]
Failed to execute 'node-gyp.cmd build --fallback-to-build --module=C:\work\realm-windows-build\node_modules\realm\compiled\electron-v2.0_win32_x64\realm.node --module_name=realm --module_path=C:\work\realm-windows-build\node_modules\realm\compiled\electro
n-v2.0_win32_x64' (1)
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.

Error output:
node-pre-gyp info it worked if it ends with ok
node-pre-gyp info using node-pre-gyp@0.6.39
node-pre-gyp info using node@9.9.0 | win32 | x64
node-pre-gyp http GET https://static.realm.io/node-pre-gyp/2.3.0/realm-v2.3.0-electron-v2.0-win32-x64.tar.gz
node-pre-gyp http 404 https://static.realm.io/node-pre-gyp/2.3.0/realm-v2.3.0-electron-v2.0-win32-x64.tar.gz
node-pre-gyp ERR! Tried to download(404): https://static.realm.io/node-pre-gyp/2.3.0/realm-v2.3.0-electron-v2.0-win32-x64.tar.gz 
node-pre-gyp ERR! Pre-built binaries not found for realm@2.3.0 and electron@2.0.3 (electron-v2.0 ABI, unknown) (falling back to source compile with node-gyp) 
node-pre-gyp http 404 status code downloading tarball https://static.realm.io/node-pre-gyp/2.3.0/realm-v2.3.0-electron-v2.0-win32-x64.tar.gz 
gyp info it worked if it ends with ok
gyp info using node-gyp@3.6.2
gyp info using node@9.9.0 | win32 | x64
gyp info ok 
gyp info it worked if it ends with ok
gyp info using node-gyp@3.6.2
gyp info using node@9.9.0 | win32 | x64
gyp info spawn C:\Users\joco-\.windows-build-tools\python27\python.exe
gyp info spawn args [ 'C:\\Program Files\\nodejs\\node_modules\\npm\\node_modules\\node-gyp\\gyp\\gyp_main.py',
gyp info spawn args   'binding.gyp',
gyp info spawn args   '-f',
gyp info spawn args   'msvs',
gyp info spawn args   '-G',
gyp info spawn args   'msvs_version=2015',
gyp info spawn args   '-I',
gyp info spawn args   'C:\\work\\realm-windows-build\\node_modules\\realm\\build\\config.gypi',
gyp info spawn args   '-I',
gyp info spawn args   'C:\\Program Files\\nodejs\\node_modules\\npm\\node_modules\\node-gyp\\addon.gypi',
gyp info spawn args   '-I',
gyp info spawn args   'C:\\Users\\joco-\\.electron-gyp\\iojs-2.0.3\\common.gypi',
gyp info spawn args   '-Dlibrary=shared_library',
gyp info spawn args   '-Dvisibility=default',
gyp info spawn args   '-Dnode_root_dir=C:\\Users\\joco-\\.electron-gyp\\iojs-2.0.3',
gyp info spawn args   '-Dnode_gyp_dir=C:\\Program Files\\nodejs\\node_modules\\npm\\node_modules\\node-gyp',
gyp info spawn args   '-Dnode_lib_file=C:\\Users\\joco-\\.electron-gyp\\iojs-2.0.3\\<(target_arch)\\iojs.lib',
gyp info spawn args   '-Dmodule_root_dir=C:\\work\\realm-windows-build\\node_modules\\realm',
gyp info spawn args   '-Dnode_engine=v8',
gyp info spawn args   '--depth=.',
gyp info spawn args   '--no-parallel',
gyp info spawn args   '--generator-output',
gyp info spawn args   'C:\\work\\realm-windows-build\\node_modules\\realm\\build',
gyp info spawn args   '-Goutput_dir=.' ]
gyp info ok 
gyp info it worked if it ends with ok
gyp info using node-gyp@3.6.2
gyp info using node@9.9.0 | win32 | x64
gyp info spawn msbuild
gyp info spawn args [ 'build/binding.sln',
gyp info spawn args   '/clp:Verbosity=minimal',
gyp info spawn args   '/nologo',
gyp info spawn args   '/p:Configuration=Release;Platform=x64' ]
gyp ERR! build error 
gyp ERR! stack Error: `msbuild` failed with exit code: 1
gyp ERR! stack     at ChildProcess.onExit (C:\Program Files\nodejs\node_modules\npm\node_modules\node-gyp\lib\build.js:258:23)
gyp ERR! stack     at ChildProcess.emit (events.js:180:13)
gyp ERR! stack     at Process.ChildProcess._handle.onexit (internal/child_process.js:209:12)
gyp ERR! System Windows_NT 10.0.17134
gyp ERR! command "C:\\Program Files\\nodejs\\node.exe" "C:\\Program Files\\nodejs\\node_modules\\npm\\node_modules\\node-gyp\\bin\\node-gyp.js" "build" "--fallback-to-build" "--module=C:\\work\\realm-windows-build\\node_modules\\realm\\compiled\\electron-
v2.0_win32_x64\\realm.node" "--module_name=realm" "--module_path=C:\\work\\realm-windows-build\\node_modules\\realm\\compiled\\electron-v2.0_win32_x64"
gyp ERR! cwd C:\work\realm-windows-build\node_modules\realm
gyp ERR! node -v v9.9.0
gyp ERR! node-gyp -v v3.6.2
gyp ERR! not ok 
node-pre-gyp ERR! build error 
node-pre-gyp ERR! stack Error: Failed to execute 'node-gyp.cmd build --fallback-to-build --module=C:\work\realm-windows-build\node_modules\realm\compiled\electron-v2.0_win32_x64\realm.node --module_name=realm --module_path=C:\work\realm-windows-build\node
_modules\realm\compiled\electron-v2.0_win32_x64' (1)
node-pre-gyp ERR! stack     at ChildProcess.<anonymous> (C:\work\realm-windows-build\node_modules\node-pre-gyp\lib\util\compile.js:83:29)
node-pre-gyp ERR! stack     at ChildProcess.emit (events.js:180:13)
node-pre-gyp ERR! stack     at maybeClose (internal/child_process.js:936:16)
node-pre-gyp ERR! stack     at Process.ChildProcess._handle.onexit (internal/child_process.js:220:5)
node-pre-gyp ERR! System Windows_NT 10.0.17134
node-pre-gyp ERR! command "C:\\Program Files\\nodejs\\node.exe" "C:\\work\\realm-windows-build\\node_modules\\node-pre-gyp\\bin\\node-pre-gyp" "install" "--fallback-to-build"
node-pre-gyp ERR! cwd C:\work\realm-windows-build\node_modules\realm
node-pre-gyp ERR! node -v v9.9.0
node-pre-gyp ERR! node-pre-gyp -v v0.6.39
node-pre-gyp ERR! not ok 
error Command failed with exit code 1.

    at ChildProcess.childProcess.once.code (C:\work\realm-windows-build\node_modules\builder-util\src\util.ts:251:14)
    at Object.onceWrapper (events.js:272:13)
    at ChildProcess.emit (events.js:180:13)
    at maybeClose (internal/child_process.js:936:16)
    at Process.ChildProcess._handle.onexit (internal/child_process.js:220:5)
From previous event:
    at runCallback (timers.js:763:18)
    at tryOnImmediate (timers.js:734:5)
    at processImmediate (timers.js:716:5)
From previous event:
    at C:\work\realm-windows-build\node_modules\electron-builder-lib\src\util\yarn.ts:150:27
From previous event:
    at rebuild (C:\work\realm-windows-build\node_modules\electron-builder-lib\out\util\yarn.js:234:18)
    at C:\work\realm-windows-build\node_modules\electron-builder-lib\src\util\yarn.ts:20:11
From previous event:
    at installOrRebuild (C:\work\realm-windows-build\node_modules\electron-builder-lib\out\util\yarn.js:68:17)
    at C:\work\realm-windows-build\node_modules\electron-builder\src\cli\install-app-deps.ts:56:9
    at Generator.next (<anonymous>)
    at runCallback (timers.js:763:18)
    at tryOnImmediate (timers.js:734:5)
    at processImmediate (timers.js:716:5)
From previous event:
    at installAppDeps (C:\work\realm-windows-build\node_modules\electron-builder\out\cli\install-app-deps.js:174:17)
    at main (C:\work\realm-windows-build\node_modules\electron-builder\src\cli\install-app-deps.ts:65:10)
    at Object.<anonymous> (C:\work\realm-windows-build\node_modules\electron-builder\src\cli\install-app-deps.ts:70:3)
    at Module._compile (module.js:649:30)
    at Object.Module._extensions..js (module.js:660:10)
    at Module.load (module.js:561:32)
    at tryModuleLoad (module.js:501:12)
    at Function.Module._load (module.js:493:3)
    at Function.Module.runMain (module.js:690:10)
    at startup (bootstrap_node.js:194:16)
    at bootstrap_node.js:666:3
error Command failed with exit code 1.
info Visit https://yarnpkg.com/en/docs/cli/install for documentation about this command.

Steps to Reproduce

Follow the description in this repository: https://github.com/jozsefm/realm-windows-build
Basically it’s just git clone and install.

Version of Realm and Tooling

Realm JS SDK Version: 2.3.0 +
Node or React Native: v9.9.0
Client OS & Version: Windows 10 Pro version 1803
Which debugger for React Native: None

Additional info

This is likely a regression as the error does not happen with realm.js 2.2.20 and earlier
Info about my VS setup:

gyp verb find vs2017 Found installation at: C:\Program Files (x86)\Microsoft Visual Studio\2017\Community
gyp verb find vs2017   - Found Microsoft.VisualStudio.Component.Windows10SDK.17134
gyp verb find vs2017   - Found Microsoft.VisualStudio.Component.Windows10SDK.14393
gyp verb find vs2017   - Found Microsoft.VisualStudio.Component.VC.Tools.x86.x64
gyp verb find vs2017   - Found Microsoft.VisualStudio.VC.MSBuild.Base
gyp verb find vs2017   - Found Microsoft.VisualStudio.Component.Windows10SDK.16299.Desktop
gyp verb find vs2017   - Using this installation with Windows 10 SDK
gyp verb find vs2017 using installation: C:\Program Files (x86)\Microsoft Visual Studio\2017\Community