Node 22 Python 3.13 node-gyp 10 VS 2022 (17) → binding.cc(284,39): error C2440

[andraaspar]

error PROJECT\node_modules\mmmagic: Command failed.
Exit code: 1
Command: node-gyp rebuild
Arguments:
Directory: PROJECT\node_modules\mmmagic
Output:
PROJECT\node_modules\mmmagic>if not defined npm_config_node_gyp (node "C:\Users\USER\.version-fox\temp\1735858800-21532\nodejs\node_modules\npm\bin\node-gyp-bin\\..\..\node_modules\node-gyp\bin\node-gyp.js" rebuild )  else (node "" rebuild )
gyp info it worked if it ends with ok
gyp info using node-gyp@10.2.0
gyp info using node@22.12.0 | win32 | x64
gyp info find Python using Python version 3.13.1 found at "C:\Users\USER\.version-fox\temp\1735858800-21532\python\python3.exe"

gyp info find VS using VS2022 (17.12.35527.113) found at:
gyp info find VS "C:\Program Files\Microsoft Visual Studio\2022\Community"
gyp info find VS run with --verbose for detailed information
gyp info spawn C:\Users\USER\.version-fox\temp\1735858800-21532\python\python3.exe
gyp info spawn args [
gyp info spawn args 'C:\\Users\\USER\\.version-fox\\cache\\nodejs\\v-22.12.0\\nodejs-22.12.0\\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 '-I',
gyp info spawn args 'PROJECT\\node_modules\\mmmagic\\build\\config.gypi',
gyp info spawn args '-I',
gyp info spawn args 'C:\\Users\\USER\\.version-fox\\cache\\nodejs\\v-22.12.0\\nodejs-22.12.0\\node_modules\\npm\\node_modules\\node-gyp\\addon.gypi',
gyp info spawn args '-I',
gyp info spawn args 'C:\\Users\\USER\\AppData\\Local\\node-gyp\\Cache\\22.12.0\\include\\node\\common.gypi',
gyp info spawn args '-Dlibrary=shared_library',
gyp info spawn args '-Dvisibility=default',
gyp info spawn args '-Dnode_root_dir=C:\\Users\\USER\\AppData\\Local\\node-gyp\\Cache\\22.12.0',
gyp info spawn args '-Dnode_gyp_dir=C:\\Users\\USER\\.version-fox\\cache\\nodejs\\v-22.12.0\\nodejs-22.12.0\\node_modules\\npm\\node_modules\\node-gyp',
gyp info spawn args '-Dnode_lib_file=C:\\\\Users\\\\USER\\\\AppData\\\\Local\\\\node-gyp\\\\Cache\\\\22.12.0\\\\<(target_arch)\\\\node.lib',
gyp info spawn args '-Dmodule_root_dir=PROJECT\\node_modules\\mmmagic',
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 'PROJECT\\node_modules\\mmmagic\\build',
gyp info spawn args '-Goutput_dir=.'
gyp info spawn args ]
gyp info spawn C:\Program Files\Microsoft Visual Studio\2022\Community\MSBuild\Current\Bin\MSBuild.exe
gyp info spawn args [
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 info spawn args ]

  apprentice.c
  apptype.c
  ascmagic.c
  cdf.c
  cdf_time.c
  compress.c
  der.c
  encoding.c
  fsmagic.c
  funcs.c
  is_tar.c
  magic.c
  print.c
  readcdf.c
PROJECT\node_modules\mmmagic\deps\libmagic\src\readcdf.c(133,7): warning C4013: 'strcasestr' undefined; assuming extern returning int [PROJECT\node_modules\mmmagic\build\deps\libmagic\libmagic.vcxproj]
PROJECT\node_modules\mmmagic\deps\libmagic\src\readcdf.c(133,39): warning C4047: '!=': 'int' differs in levels of indirection from 'void *' [PROJECT\node_modules\mmmagic\build\deps\libmagic\libmagic.vcxproj]
PROJECT\node_modules\mmmagic\deps\libmagic\src\readcdf.c(241,55): warning C4133: 'function': incompatible types - from 'long *' to 'const time_t *' [PROJECT\node_modules\mmmagic\build\deps\libmagic\libmagic.vcxproj]
  readelf.c
  softmagic.c
  fmtcheck.c
  asctime_r.c
  asprintf.c
  ctime_r.c
  dprintf.c
  getline.c
  gmtime_r.c
  localtime_r.c
  pread.c
  snprintf.c
  strcasestr.c
  strlcat.c
  strlcpy.c
  vasprintf.c
  regex.c
PROJECT\node_modules\mmmagic\deps\libmagic\msvc\libgnurx-2.5\regcomp.c(590,19): warning C4018: '<=': signed/unsigned mismatch [PROJECT\node_modules\mmmagic\build\deps\libmagic\libmagic.vcxproj]
  (compiling source file '../../../deps/libmagic/msvc/libgnurx-2.5/regex.c')

PROJECT\node_modules\mmmagic\deps\libmagic\msvc\libgnurx-2.5\regcomp.c(2513,39): warning C4312: 'type cast': conversion from 'long' to 'void *' of greater size [PROJECT\node_modules\mmmagic\build\deps\libmagic\libmagic.vcxproj]
  (compiling source file '../../../deps/libmagic/msvc/libgnurx-2.5/regex.c')

PROJECT\node_modules\mmmagic\deps\libmagic\msvc\libgnurx-2.5\regcomp.c(3725,19): warning C4311: 'type cast': pointer truncation from 'void *' to 'long' [PROJECT\node_modules\mmmagic\build\deps\libmagic\libmagic.vcxproj]
  (compiling source file '../../../deps/libmagic/msvc/libgnurx-2.5/regex.c')

PROJECT\node_modules\mmmagic\deps\libmagic\msvc\libgnurx-2.5\regexec.c(524,11): warning C4018: '>': signed/unsigned mismatch [PROJECT\node_modules\mmmagic\build\deps\libmagic\libmagic.vcxproj]
  (compiling source file '../../../deps/libmagic/msvc/libgnurx-2.5/regex.c')

PROJECT\node_modules\mmmagic\deps\libmagic\msvc\libgnurx-2.5\regexec.c(539,7): warning C4018: '>=': signed/unsigned mismatch [PROJECT\node_modules\mmmagic\build\deps\libmagic\libmagic.vcxproj]
  (compiling source file '../../../deps/libmagic/msvc/libgnurx-2.5/regex.c')

PROJECT\node_modules\mmmagic\deps\libmagic\msvc\libgnurx-2.5\regexec.c(549,13): warning C4018: '<': signed/unsigned mismatch [PROJECT\node_modules\mmmagic\build\deps\libmagic\libmagic.vcxproj]
  (compiling source file '../../../deps/libmagic/msvc/libgnurx-2.5/regex.c')

  win_delay_load_hook.cc
  libmagic.vcxproj -> PROJECT\node_modules\mmmagic\build\Release\\libmagic.lib
  binding.cc
PROJECT\node_modules\mmmagic\src\binding.cc(284,39): error C2440: '=': cannot convert from 'const char [25]' to 'char *' [PROJECT\node_modules\mmmagic\build\magic.vcxproj]
      PROJECT\node_modules\mmmagic\src\binding.cc(284,39):
      Conversion from string literal loses const qualifier (see /Zc:strictStrings)

gyp ERR! build error
gyp ERR! stack Error: `C:\Program Files\Microsoft Visual Studio\2022\Community\MSBuild\Current\Bin\MSBuild.exe` failed with exit code: 1
gyp ERR! stack at ChildProcess.<anonymous> (C:\Users\USER\.version-fox\cache\nodejs\v-22.12.0\nodejs-22.12.0\node_modules\npm\node_modules\node-gyp\lib\build.js:216:23)
gyp ERR! stack at ChildProcess.emit (node:events:524:28)
gyp ERR! stack at ChildProcess._handle.onexit (node:internal/child_process:293:12)
gyp ERR! System Windows_NT 10.0.26100
gyp ERR! command "C:\\Users\\USER\\.version-fox\\temp\\1735858800-21532\\nodejs\\node.exe" "C:\\Users\\USER\\.version-fox\\temp\\1735858800-21532\\nodejs\\node_modules\\npm\\node_modules\\node-gyp\\bin\\node-gyp.js" "rebuild"
gyp ERR! cwd PROJECT\node_modules\mmmagic
gyp ERR! node -v v22.12.0
gyp ERR! node-gyp -v v10.2.0
gyp ERR! not ok

Please advise.

[sundar-luna]

I am facing the same issue. Were you able to resolve this?

[andraaspar]

@sundar-luna : I switched to the file-type library instead.

[sundar-luna]

@andraaspar It worked, thanks!