# Problem on npm install mediasoup **URL:** \ **Category:** mediasoup-demo\ **Created:** [August 22, 2020, 6:57am UTC](https://mediasoup.discourse.group/t/problem-on-npm-install-mediasoup/1624 "2020-08-22T06:57:58Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![elska](https://yyz2.discourse-cdn.com/free1/user_avatar/mediasoup.discourse.group/elska/32/550_2.png) [@elska](https://mediasoup.discourse.group/u/elska)\ **Post date:** [August 22, 2020, 6:57am UTC](https://mediasoup.discourse.group/t/problem-on-npm-install-mediasoup/1624/1 "2020-08-22T06:57:58Z")
Hi I tried to install “npm install mediasoup” and got this error below. (I also tried 'npm install in server folder of mediasoup-demo and got same error) > > > npm install mediasoup@3 > > > npm WARN deprecated request@2.88.2: request has been deprecated, see [https://github.com/request/request/issues/3142](https://github.com/request/request/issues/3142) > > > npm WARN deprecated har-validator@5.1.5: this library is no longer supported > clang-tools-prebuilt@0.1.4 postinstall /Users/elska/Sites/mediasoup-demo/server/node\_modules/clang-tools-prebuilt > node install.js unziping /Users/elska/.clang-tools/clang-tools-r298696-mac.tgz > mediasoup@3.6.16 postinstall /Users/elska/Sites/mediasoup-demo/server/node\_modules/mediasoup > node npm-scripts.js postinstall npm-scripts.js [INFO] running task “postinstall” npm-scripts.js [INFO] executing command: make -C worker python ./scripts/configure.py -R mediasoup-worker [‘-R’, ‘mediasoup-worker’, ‘/Users/elska/Sites/mediasoup-demo/server/node\_modules/mediasoup/worker/mediasoup-worker.gyp’, ‘-I’, ‘/Users/elska/Sites/mediasoup-demo/server/node\_modules/mediasoup/worker/common.gypi’, ‘–depth=.’, ‘-f’, ‘make’, ‘-Goutput\_dir=/Users/elska/Sites/mediasoup-demo/server/node\_modules/mediasoup/worker/out’, ‘–generator-output’, ‘/Users/elska/Sites/mediasoup-demo/server/node\_modules/mediasoup/worker/out’, ‘-Dgcc\_version=42’, ‘-Dclang=1’, ‘-Dhost\_arch=x64’, ‘-Dtarget\_arch=x64’, ‘-Dopenssl\_fips=’, ‘-Dmediasoup\_asan=false’, ‘-Dnode\_byteorder=little’] xcode-select: error: tool ‘xcodebuild’ requires Xcode, but active developer directory ‘/Library/Developer/CommandLineTools’ is a command line tools instance Traceback (most recent call last): File “./scripts/configure.py”, line 111, in run\_gyp(gyp\_args) File “./scripts/configure.py”, line 49, in run\_gyp rc = gyp.main(args) File “./deps/gyp/pylib/gyp/ **init**.py”, line 545, in main return gyp\_main(args) File “./deps/gyp/pylib/gyp/ **init**.py”, line 530, in gyp\_main generator.GenerateOutput(flat\_list, targets, data, params) File “./deps/gyp/pylib/gyp/generator/make.py”, line 2210, in GenerateOutput part\_of\_all=qualified\_target in needed\_targets) File “./deps/gyp/pylib/gyp/generator/make.py”, line 820, in Write self.Pchify)) File “./deps/gyp/pylib/gyp/generator/make.py”, line 1215, in WriteSources cflags = self.xcode\_settings.GetCflags(configname) File “./deps/gyp/pylib/gyp/xcode\_emulation.py”, line 630, in GetCflags archs = self.GetActiveArchs(self.configname) File “./deps/gyp/pylib/gyp/xcode\_emulation.py”, line 488, in GetActiveArchs xcode\_archs\_default = GetXcodeArchsDefault() File “./deps/gyp/pylib/gyp/xcode\_emulation.py”, line 120, in GetXcodeArchsDefault xcode\_version, \_ = XcodeVersion() File “./deps/gyp/pylib/gyp/xcode\_emulation.py”, line 1402, in XcodeVersion version\_list = GetStdout([‘xcodebuild’, ‘-version’]).splitlines() File “./deps/gyp/pylib/gyp/xcode\_emulation.py”, line 1459, in GetStdout sys.stderr.write(out + b’\n’) TypeError: write() argument must be str, not bytes make: \*\*\* [default] Error 1 npm ERR! code ELIFECYCLE npm ERR! errno 1 npm ERR! mediasoup@3.6.16 postinstall: `node npm-scripts.js postinstall` npm ERR! Exit status 1 npm ERR! npm ERR! Failed at the mediasoup@3.6.16 postinstall script. npm ERR! This is probably not a problem with npm. There is likely additional logging output above. Anyone who can help to figure out this error? My mac OS version is 10.14.5 and I use Python 3.7.3 and npm 6.14.8 (the latest) Thanks! MJ ---
**Author:** ![ibc](https://yyz2.discourse-cdn.com/free1/user_avatar/mediasoup.discourse.group/ibc/32/1540_2.png) [@ibc](https://mediasoup.discourse.group/u/ibc)\ **Post date:** [August 22, 2020, 11:17am UTC](https://mediasoup.discourse.group/t/problem-on-npm-install-mediasoup/1624/2 "2020-08-22T11:17:23Z")
> [@elska](#): > > xcode-select: error: tool ‘xcodebuild’ requires Xcode, but active developer directory ‘/Library/Developer/CommandLineTools’ is a command line tools instance Xcode or CommandLineTools missing. Do a google search. ---
**Author:** ![mithun](https://avatars.discourse-cdn.com/v4/letter/m/8c91f0/32.png) [@mithun](https://mediasoup.discourse.group/u/mithun)\ **Post date:** [September 9, 2020, 6:29am UTC](https://mediasoup.discourse.group/t/problem-on-npm-install-mediasoup/1624/3 "2020-09-09T06:29:50Z")
am getting the same error in win 10 ---
**Author:** ![ibc](https://yyz2.discourse-cdn.com/free1/user_avatar/mediasoup.discourse.group/ibc/32/1540_2.png) [@ibc](https://mediasoup.discourse.group/u/ibc)\ **Post date:** [September 9, 2020, 10:33am UTC](https://mediasoup.discourse.group/t/problem-on-npm-install-mediasoup/1624/4 "2020-09-09T10:33:32Z")
No, it’s impossible that you get the **same** error in Windows.