terminal output - file already exists gulp.js

new-host:cg-style mikeeng$ npm install
npm WARN package.json cloudgov-style@0.3.4 license should be a valid SPDX license expression
^R[D-
npm WARN deprecated graceful-fs@3.0.8: graceful-fs version 3 and before will fail on newer node releases. Please update to graceful-fs@^4.0.0 as soon as possible.
npm WARN deprecated npmconf@2.1.2: this package has been reintegrated into npm and is now out of date with respect to npm
npm WARN deprecated lodash@1.0.2: lodash@<3.0.0 is no longer maintained. Upgrade to lodash@^4.0.0.
npm WARN deprecated pngjs2@1.2.0: pngjs2 has now taken over the original pngjs package on npm. Please change to use pngjs dependency, version 2+.
npm WARN deprecated graceful-fs@1.2.3: graceful-fs version 3 and before will fail on newer node releases. Please update to graceful-fs@^4.0.0 as soon as possible.
npm WARN optional dep failed, continuing node-zlib-backport@^0.11.15
 
> phantomjs@1.9.20 install /Applications/MAMP/htdocs/cg-style/node_modules/gulp-svg-sprite/node_modules/svg-sprite/node_modules/phantomjs
> node install.js

PhantomJS not found on PATH
Downloading https://github.com/Medium/phantomjs/releases/download/v1.9.19/phantomjs-1.9.8-macosx.zip
Saving to /var/folders/Uv/UvX3rGhUFF4ymJI0e8yD4++++TI/-Tmp-/phantomjs/phantomjs-1.9.8-macosx.zip
Receiving...
| [=====================================---] 93%|
Received 9187K total.
Extracting zip contents
Removing /Applications/MAMP/htdocs/cg-style/node_modules/gulp-svg-sprite/node_modules/svg-sprite/node_modules/phantomjs/lib/phantom
Copying extracted folder /var/folders/Uv/UvX3rGhUFF4ymJI0e8yD4++++TI/-Tmp-/phantomjs/phantomjs-1.9.8-macosx.zip-extract-1461603300121/phantomjs-1.9.8-macosx -> /Applications/MAMP/htdocs/cg-style/node_modules/gulp-svg-sprite/node_modules/svg-sprite/node_modules/phantomjs/lib/phantom
Writing location.js file
Done. Phantomjs binary available at /Applications/MAMP/htdocs/cg-style/node_modules/gulp-svg-sprite/node_modules/svg-sprite/node_modules/phantomjs/lib/phantom/bin/phantomjs
 
> spawn-sync@1.0.15 postinstall /Applications/MAMP/htdocs/cg-style/node_modules/uswds/node_modules/cross-spawn/node_modules/spawn-sync
> node postinstall

\
> node-sass@3.5.3 install /Applications/MAMP/htdocs/cg-style/node_modules/node-sass
> node scripts/install.js

Binary downloaded and installed at /Applications/MAMP/htdocs/cg-style/node_modules/node-sass/vendor/darwin-x64-46/binding.node

> node-sass@3.5.3 postinstall /Applications/MAMP/htdocs/cg-style/node_modules/node-sass
> node scripts/build.js

"/Applications/MAMP/htdocs/cg-style/node_modules/node-sass/vendor/darwin-x64-46/binding.node" exists. 
 testing binary.
Problem with the binary:
Error: dlopen(/Applications/MAMP/htdocs/cg-style/node_modules/node-sass/vendor/darwin-x64-46/binding.node, 1): Symbol not found: __ZNKSt3__119__shared_weak_count13__get_deleterERKSt9type_info
  Referenced from: /Applications/MAMP/htdocs/cg-style/node_modules/node-sass/vendor/darwin-x64-46/binding.node
  Expected in: flat namespace
 in /Applications/MAMP/htdocs/cg-style/node_modules/node-sass/vendor/darwin-x64-46/binding.node
Manual build incoming.
Detected a git install
Cloning libSass into src/libsass
Checking out libsass to 3.3.5
Building: /usr/local/bin/node /Applications/MAMP/htdocs/cg-style/node_modules/node-sass/node_modules/node-gyp/bin/node-gyp.js rebuild --verbose --libsass_ext= --libsass_cflags= --libsass_ldflags= --libsass_library=
gyp info it worked if it ends with ok
gyp verb cli [ '/usr/local/bin/node',
gyp verb cli   '/Applications/MAMP/htdocs/cg-style/node_modules/node-sass/node_modules/node-gyp/bin/node-gyp.js',
gyp verb cli   'rebuild',
gyp verb cli   '--verbose',
gyp verb cli   '--libsass_ext=',
gyp verb cli   '--libsass_cflags=',
gyp verb cli   '--libsass_ldflags=',
gyp verb cli   '--libsass_library=' ]
gyp info using node-gyp@3.3.1
gyp info using node@4.4.3 | darwin | x64
gyp verb command rebuild []
gyp verb command clean []
gyp verb clean removing "build" directory
gyp verb command configure []
gyp verb check python checking for Python executable "python2" in the PATH
gyp verb `which` succeeded python2 /usr/local/bin/python2
gyp verb check python version `/usr/local/bin/python2 -c "import platform; print(platform.python_version());"` returned: "2.7.6\n"
gyp verb get node dir no --target version specified, falling back to host node version: 4.4.3
gyp verb command install [ '4.4.3' ]
gyp verb install input version string "4.4.3"
gyp verb install installing version: 4.4.3
gyp verb install --ensure was passed, so won't reinstall if already installed
gyp verb install version is already installed, need to check "installVersion"
gyp verb got "installVersion" 9
gyp verb needs "installVersion" 9
gyp verb install version is good
gyp verb get node dir target node version installed: 4.4.3
gyp verb build dir attempting to create "build" dir: /Applications/MAMP/htdocs/cg-style/node_modules/node-sass/build
gyp verb build dir "build" dir needed to be created? /Applications/MAMP/htdocs/cg-style/node_modules/node-sass/build
gyp verb build/config.gypi creating config file
gyp verb build/config.gypi writing out config file: /Applications/MAMP/htdocs/cg-style/node_modules/node-sass/build/config.gypi
gyp verb config.gypi checking for gypi file: /Applications/MAMP/htdocs/cg-style/node_modules/node-sass/config.gypi
gyp verb common.gypi checking for gypi file: /Applications/MAMP/htdocs/cg-style/node_modules/node-sass/common.gypi
gyp verb gyp gyp format was not specified; forcing "make"
gyp info spawn /usr/local/bin/python2
gyp info spawn args [ '/Applications/MAMP/htdocs/cg-style/node_modules/node-sass/node_modules/node-gyp/gyp/gyp_main.py',
gyp info spawn args   'binding.gyp',
gyp info spawn args   '-f',
gyp info spawn args   'make',
gyp info spawn args   '-I',
gyp info spawn args   '/Applications/MAMP/htdocs/cg-style/node_modules/node-sass/build/config.gypi',
gyp info spawn args   '-I',
gyp info spawn args   '/Applications/MAMP/htdocs/cg-style/node_modules/node-sass/node_modules/node-gyp/addon.gypi',
gyp info spawn args   '-I',
gyp info spawn args   '/Users/mikeeng/.node-gyp/4.4.3/include/node/common.gypi',
gyp info spawn args   '-Dlibrary=shared_library',
gyp info spawn args   '-Dvisibility=default',
gyp info spawn args   '-Dnode_root_dir=/Users/mikeeng/.node-gyp/4.4.3',
gyp info spawn args   '-Dnode_gyp_dir=/Applications/MAMP/htdocs/cg-style/node_modules/node-sass/node_modules/node-gyp',
gyp info spawn args   '-Dnode_lib_file=node.lib',
gyp info spawn args   '-Dmodule_root_dir=/Applications/MAMP/htdocs/cg-style/node_modules/node-sass',
gyp info spawn args   '--depth=.',
gyp info spawn args   '--no-parallel',
gyp info spawn args   '--generator-output',
gyp info spawn args   'build',
gyp info spawn args   '-Goutput_dir=.' ]
Error: Can't run /Developer/usr/bin/xcodebuild (no such file).

Error: Can't run /Developer/usr/bin/xcodebuild (no such file).

2016-04-25 12:56:59.320 pkgutil[733:903] PackageKit: *** Missing bundle identifier: /Library/Receipts/Office2008_en_automator.pkg
2016-04-25 12:56:59.378 pkgutil[733:903] PackageKit: *** Missing bundle identifier: /Library/Receipts/Office2008_en_automator_workflow.pkg
2016-04-25 12:56:59.435 pkgutil[733:903] PackageKit: *** Missing bundle identifier: /Library/Receipts/Office2008_en_autoupdate.pkg
2016-04-25 12:56:59.493 pkgutil[733:903] PackageKit: *** Missing bundle identifier: /Library/Receipts/Office2008_en_clipart.pkg
2016-04-25 12:56:59.548 pkgutil[733:903] PackageKit: *** Missing bundle identifier: /Library/Receipts/Office2008_en_core.pkg
2016-04-25 12:56:59.631 pkgutil[733:903] PackageKit: *** Missing bundle identifier: /Library/Receipts/Office2008_en_dock.pkg
2016-04-25 12:56:59.653 pkgutil[733:903] PackageKit: *** Missing bundle identifier: /Library/Receipts/Office2008_en_equationeditor.pkg
2016-04-25 12:56:59.674 pkgutil[733:903] PackageKit: *** Missing bundle identifier: /Library/Receipts/Office2008_en_errorreporting.pkg
2016-04-25 12:56:59.739 pkgutil[733:903] PackageKit: *** Missing bundle identifier: /Library/Receipts/Office2008_en_excel.pkg
2016-04-25 12:56:59.772 pkgutil[733:903] PackageKit: *** Missing bundle identifier: /Library/Receipts/Office2008_en_excel_help_std.pkg
2016-04-25 12:56:59.831 pkgutil[733:903] PackageKit: *** Missing bundle identifier: /Library/Receipts/Office2008_en_fonts.pkg
2016-04-25 12:56:59.878 pkgutil[733:903] PackageKit: *** Missing bundle identifier: /Library/Receipts/Office2008_en_graph.pkg
2016-04-25 12:56:59.887 pkgutil[733:903] PackageKit: *** Missing bundle identifier: /Library/Receipts/Office2008_en_helpviewer.pkg
2016-04-25 12:56:59.898 pkgutil[733:903] PackageKit: *** Missing bundle identifier: /Library/Receipts/Office2008_en_launch.pkg
2016-04-25 12:56:59.939 pkgutil[733:903] PackageKit: *** Missing bundle identifier: /Library/Receipts/Office2008_en_ooxml.pkg
2016-04-25 12:57:00.009 pkgutil[733:903] PackageKit: *** Missing bundle identifier: /Library/Receipts/Office2008_en_orgchart.pkg
2016-04-25 12:57:00.039 pkgutil[733:903] PackageKit: *** Missing bundle identifier: /Library/Receipts/Office2008_en_powerpoint.pkg
2016-04-25 12:57:00.082 pkgutil[733:903] PackageKit: *** Missing bundle identifier: /Library/Receipts/Office2008_en_powerpoint_help_std.pkg
2016-04-25 12:57:00.098 pkgutil[733:903] PackageKit: *** Missing bundle identifier: /Library/Receipts/Office2008_en_proofing_english.pkg
2016-04-25 12:57:00.135 pkgutil[733:903] PackageKit: *** Missing bundle identifier: /Library/Receipts/Office2008_en_required.pkg
2016-04-25 12:57:00.138 pkgutil[733:903] PackageKit: *** Missing bundle identifier: /Library/Receipts/Office2008_en_silverlight.pkg
2016-04-25 12:57:00.152 pkgutil[733:903] PackageKit: *** Missing bundle identifier: /Library/Receipts/Office2008_en_sounds.pkg
2016-04-25 12:57:00.201 pkgutil[733:903] PackageKit: *** Missing bundle identifier: /Library/Receipts/Office2008_en_word.pkg
2016-04-25 12:57:00.258 pkgutil[733:903] PackageKit: *** Missing bundle identifier: /Library/Receipts/Office2008_en_word_help_std.pkg
No receipt for 'com.apple.pkg.CLTools_Executables' found at '/'.

2016-04-25 12:57:03.297 pkgutil[734:903] PackageKit: *** Missing bundle identifier: /Library/Receipts/Office2008_en_automator.pkg
2016-04-25 12:57:03.301 pkgutil[734:903] PackageKit: *** Missing bundle identifier: /Library/Receipts/Office2008_en_automator_workflow.pkg
2016-04-25 12:57:03.303 pkgutil[734:903] PackageKit: *** Missing bundle identifier: /Library/Receipts/Office2008_en_autoupdate.pkg
2016-04-25 12:57:03.304 pkgutil[734:903] PackageKit: *** Missing bundle identifier: /Library/Receipts/Office2008_en_clipart.pkg
2016-04-25 12:57:03.305 pkgutil[734:903] PackageKit: *** Missing bundle identifier: /Library/Receipts/Office2008_en_core.pkg
2016-04-25 12:57:03.306 pkgutil[734:903] PackageKit: *** Missing bundle identifier: /Library/Receipts/Office2008_en_dock.pkg
2016-04-25 12:57:03.308 pkgutil[734:903] PackageKit: *** Missing bundle identifier: /Library/Receipts/Office2008_en_equationeditor.pkg
2016-04-25 12:57:03.309 pkgutil[734:903] PackageKit: *** Missing bundle identifier: /Library/Receipts/Office2008_en_errorreporting.pkg
2016-04-25 12:57:03.310 pkgutil[734:903] PackageKit: *** Missing bundle identifier: /Library/Receipts/Office2008_en_excel.pkg
2016-04-25 12:57:03.311 pkgutil[734:903] PackageKit: *** Missing bundle identifier: /Library/Receipts/Office2008_en_excel_help_std.pkg
2016-04-25 12:57:03.312 pkgutil[734:903] PackageKit: *** Missing bundle identifier: /Library/Receipts/Office2008_en_fonts.pkg
2016-04-25 12:57:03.314 pkgutil[734:903] PackageKit: *** Missing bundle identifier: /Library/Receipts/Office2008_en_graph.pkg
2016-04-25 12:57:03.315 pkgutil[734:903] PackageKit: *** Missing bundle identifier: /Library/Receipts/Office2008_en_helpviewer.pkg
2016-04-25 12:57:03.316 pkgutil[734:903] PackageKit: *** Missing bundle identifier: /Library/Receipts/Office2008_en_launch.pkg
2016-04-25 12:57:03.317 pkgutil[734:903] PackageKit: *** Missing bundle identifier: /Library/Receipts/Office2008_en_ooxml.pkg
2016-04-25 12:57:03.319 pkgutil[734:903] PackageKit: *** Missing bundle identifier: /Library/Receipts/Office2008_en_orgchart.pkg
2016-04-25 12:57:03.320 pkgutil[734:903] PackageKit: *** Missing bundle identifier: /Library/Receipts/Office2008_en_powerpoint.pkg
2016-04-25 12:57:03.322 pkgutil[734:903] PackageKit: *** Missing bundle identifier: /Library/Receipts/Office2008_en_powerpoint_help_std.pkg
2016-04-25 12:57:03.323 pkgutil[734:903] PackageKit: *** Missing bundle identifier: /Library/Receipts/Office2008_en_proofing_english.pkg
2016-04-25 12:57:03.324 pkgutil[734:903] PackageKit: *** Missing bundle identifier: /Library/Receipts/Office2008_en_required.pkg
2016-04-25 12:57:03.325 pkgutil[734:903] PackageKit: *** Missing bundle identifier: /Library/Receipts/Office2008_en_silverlight.pkg
2016-04-25 12:57:03.326 pkgutil[734:903] PackageKit: *** Missing bundle identifier: /Library/Receipts/Office2008_en_sounds.pkg
2016-04-25 12:57:03.328 pkgutil[734:903] PackageKit: *** Missing bundle identifier: /Library/Receipts/Office2008_en_word.pkg
2016-04-25 12:57:03.329 pkgutil[734:903] PackageKit: *** Missing bundle identifier: /Library/Receipts/Office2008_en_word_help_std.pkg
gyp verb command build []
gyp verb build type Release
gyp verb architecture x64
gyp verb node dev dir /Users/mikeeng/.node-gyp/4.4.3
gyp verb `which` succeeded for `make` /usr/bin/make
gyp info spawn make
gyp info spawn args [ 'V=1', 'BUILDTYPE=Release', '-C', 'build' ]
  g++ '-DNODE_GYP_MODULE_NAME=libsass' '-D_DARWIN_USE_64_BIT_INODE=1' '-D_LARGEFILE_SOURCE' '-D_FILE_OFFSET_BITS=64' '-DLIBSASS_VERSION="3.3.5"' -I/Users/mikeeng/.node-gyp/4.4.3/include/node -I/Users/mikeeng/.node-gyp/4.4.3/src -I/Users/mikeeng/.node-gyp/4.4.3/deps/uv/include -I/Users/mikeeng/.node-gyp/4.4.3/deps/v8/include -I../src/libsass/include  -Os -gdwarf-2 -mmacosx-version-min=10.7 -arch x86_64 -Wall -Wendif-labels -W -Wno-unused-parameter -std=c++11 -stdlib=libc++ -fno-threadsafe-statics -fno-strict-aliasing -MMD -MF ./Release/.deps/Release/obj.target/libsass/src/libsass/src/ast.o.d.raw   -c -o Release/obj.target/libsass/src/libsass/src/ast.o ../src/libsass/src/ast.cpp
cc1plus: error: unrecognized command line option "-std=c++11"
cc1plus: error: unrecognized command line option "-stdlib=libc++"
make: *** [Release/obj.target/libsass/src/libsass/src/ast.o] Error 1
gyp ERR! build error 
gyp ERR! stack Error: `make` failed with exit code: 2
gyp ERR! stack     at ChildProcess.onExit (/Applications/MAMP/htdocs/cg-style/node_modules/node-sass/node_modules/node-gyp/lib/build.js:276:23)
gyp ERR! stack     at emitTwo (events.js:87:13)
gyp ERR! stack     at ChildProcess.emit (events.js:172:7)
gyp ERR! stack     at Process.ChildProcess._handle.onexit (internal/child_process.js:200:12)
gyp ERR! System Darwin 10.8.0
gyp ERR! command "/usr/local/bin/node" "/Applications/MAMP/htdocs/cg-style/node_modules/node-sass/node_modules/node-gyp/bin/node-gyp.js" "rebuild" "--verbose" "--libsass_ext=" "--libsass_cflags=" "--libsass_ldflags=" "--libsass_library="
gyp ERR! cwd /Applications/MAMP/htdocs/cg-style/node_modules/node-sass
gyp ERR! node -v v4.4.3
gyp ERR! node-gyp -v v3.3.1
gyp ERR! not ok 
Build failed

> fsevents@1.0.11 install /Applications/MAMP/htdocs/cg-style/node_modules/postcss-cli/node_modules/chokidar/node_modules/fsevents
> node-pre-gyp install --fallback-to-build

[fsevents] Success: "/Applications/MAMP/htdocs/cg-style/node_modules/postcss-cli/node_modules/chokidar/node_modules/fsevents/lib/binding/Release/node-v46-darwin-x64/fse.node" is installed via remote
npm ERR! Darwin 10.8.0
npm ERR! argv "/usr/local/bin/node" "/usr/local/bin/npm" "install"
npm ERR! node v4.4.3
npm ERR! npm  v2.15.1
npm ERR! path ../gulp-cli/bin/gulp.js
npm ERR! code EEXIST
npm ERR! errno -17
npm ERR! syscall symlink

npm ERR! EEXIST: file already exists, symlink '../gulp-cli/bin/gulp.js' -> '/Applications/MAMP/htdocs/cg-style/node_modules/.bin/gulp'
File exists: ../gulp-cli/bin/gulp.js
Move it away, and try again. 

npm ERR! Please include the following file with any support request:
npm ERR!     /Applications/MAMP/htdocs/cg-style/npm-debug.log