Build fails on non-root linux user

[teropes]

I'm getting the following build error when installing node-snap7. Im operating on Centos 6 and trying to install as non-root user. Running on node 0.12.7, also tried with 0.10.40. Installing as root works. Is there any way to avoid installing this package as root?

node-gyp rebuild
Traceback (most recent call last):
File "/home/sysuser/.nvm/versions/node/v0.12.7/lib/node_modules/npm/node_modules/node-gyp/gyp/gyp_main.py", line 18, in
sys.exit(gyp.script_main())
File "/home/sysuser/.nvm/versions/node/v0.12.7/lib/node_modules/npm/node_modules/node-gyp/gyp/pylib/gyp/init.py", line 533, in script_main
return main(sys.argv[1:])
File "/home/sysuser/.nvm/versions/node/v0.12.7/lib/node_modules/npm/node_modules/node-gyp/gyp/pylib/gyp/init.py", line 526, in main
return gyp_main(args)
File "/home/sysuser/.nvm/versions/node/v0.12.7/lib/node_modules/npm/node_modules/node-gyp/gyp/pylib/gyp/init.py", line 502, in gyp_main
params, options.check, options.circular_check)
File "/home/sysuser/.nvm/versions/node/v0.12.7/lib/node_modules/npm/node_modules/node-gyp/gyp/pylib/gyp/init.py", line 129, in Load
params['parallel'], params['root_targets'])
File "/home/sysuser/.nvm/versions/node/v0.12.7/lib/node_modules/npm/node_modules/node-gyp/gyp/pylib/gyp/input.py", line 2736, in Load
variables, includes, depth, check, True)
File "/home/sysuser/.nvm/versions/node/v0.12.7/lib/node_modules/npm/node_modules/node-gyp/gyp/pylib/gyp/input.py", line 386, in LoadTargetBuildFile
includes, True, check)
File "/home/sysuser/.nvm/versions/node/v0.12.7/lib/node_modules/npm/node_modules/node-gyp/gyp/pylib/gyp/input.py", line 238, in LoadOneBuildFile
None)
File "binding.gyp", line 1
{
^
SyntaxError: invalid syntax
gyp ERR! configure error
gyp ERR! stack Error: gyp failed with exit code: 1
gyp ERR! stack at ChildProcess.onCpExit (/home/sysuser/.nvm/versions/node/v0.12.7/lib/node_modules/npm/node_modules/node-gyp/lib/configure.js:355:16)
gyp ERR! stack at ChildProcess.emit (events.js:110:17)
gyp ERR! stack at Process.ChildProcess._handle.onexit (child_process.js:1074:12)
gyp ERR! System Linux 2.6.32-504.30.3.el6.x86_64
gyp ERR! command "node" "/home/sysuser/.nvm/versions/node/v0.12.7/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js" "rebuild"
gyp ERR! cwd /data/my-project/node_modules/node-snap7
gyp ERR! node -v v0.12.7
gyp ERR! node-gyp -v v2.0.1
gyp ERR! not ok
npm ERR! Linux 2.6.32-504.30.3.el6.x86_64
npm ERR! argv "/home/sysuser/.nvm/versions/node/v0.12.7/bin/node" "/home/sysuser/.nvm/versions/node/v0.12.7/bin/npm" "install" "node-snap7"
npm ERR! node v0.12.7
npm ERR! npm v2.11.3
npm ERR! code ELIFECYCLE
npm ERR! node-snap7@0.2.1 install: node-gyp rebuild
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the node-snap7@0.2.1 install script 'node-gyp rebuild'.
npm ERR! This is most likely a problem with the node-snap7 package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR! node-gyp rebuild
npm ERR! You can get their info via:
npm ERR! npm owner ls node-snap7
npm ERR! There is likely additional logging output above.
npm ERR! Please include the following file with any support request:
npm ERR! /data/my-project/npm-debug.log

[mathiask88]

Hi, sry for the late response. Can you check your python version that is installed for the non-root user? 2.7.3 or newer(not 3.x) is necessary for node-gyp.

[teropes]

python --version outputs 2.7.8. My /usr/local/bin/python is symlink to /usr/local/bin/python2.7 and I havent got issues with building other packages in this project such as oracledb. I also tried with my other development machine which runs Oracle Linux 6.5 and got same issue there.

Here is my npm-debug.log:
0 info it worked if it ends with ok
1 verbose cli [ '/home/sysuser/.nvm/versions/node/v0.12.7/bin/node',
1 verbose cli '/home/sysuser/.nvm/versions/node/v0.12.7/bin/npm',
1 verbose cli 'rebuild',
1 verbose cli 'node-snap7' ]
2 info using npm@2.11.3
3 info using node@v0.12.7
4 info readInstalled object
5 verbose rebuild path, id [ '/data/my-project/node_modules/node-snap7',
5 verbose rebuild 'node-snap7@0.2.1' ]
6 silly rebuild set [ '/data/my-project/node_modules/node-snap7' ]
7 info build /data/my-project/node_modules/node-snap7
8 info preinstall node-snap7@0.2.1
9 info linkStuff node-snap7@0.2.1
10 silly linkStuff node-snap7@0.2.1 has /data/my-project/node_modules as its parent node_modules
11 verbose linkBins node-snap7@0.2.1
12 verbose linkMans node-snap7@0.2.1
13 verbose rebuildBundles node-snap7@0.2.1
14 verbose rebuildBundles [ 'bindings', 'nan' ]
15 info install node-snap7@0.2.1
16 verbose unsafe-perm in lifecycle true
17 info node-snap7@0.2.1 Failed to exec install script
18 verbose stack Error: node-snap7@0.2.1 install: node-gyp rebuild
18 verbose stack Exit status 1
18 verbose stack at EventEmitter. (/home/sysuser/.nvm/versions/node/v0.12.7/lib/node_modules/npm/lib/utils/lifecycle.js:213:16)
18 verbose stack at EventEmitter.emit (events.js:110:17)
18 verbose stack at ChildProcess. (/home/sysuser/.nvm/versions/node/v0.12.7/lib/node_modules/npm/lib/utils/spawn.js:24:14)
18 verbose stack at ChildProcess.emit (events.js:110:17)
18 verbose stack at maybeClose (child_process.js:1015:16)
18 verbose stack at Process.ChildProcess._handle.onexit (child_process.js:1087:5)
19 verbose pkgid node-snap7@0.2.1
20 verbose cwd /data/my-project
21 error Linux 2.6.32-504.30.3.el6.x86_64
22 error argv "/home/sysuser/.nvm/versions/node/v0.12.7/bin/node" "/home/sysuser/.nvm/versions/node/v0.12.7/bin/npm" "rebuild" "node-snap7"
23 error node v0.12.7
24 error npm v2.11.3
25 error code ELIFECYCLE
26 error node-snap7@0.2.1 install: node-gyp rebuild
26 error Exit status 1
27 error Failed at the node-snap7@0.2.1 install script 'node-gyp rebuild'.
27 error This is most likely a problem with the node-snap7 package,
27 error not with npm itself.
27 error Tell the author that this fails on your system:
27 error node-gyp rebuild
27 error You can get their info via:
27 error npm owner ls node-snap7
27 error There is likely additional logging output above.
28 verbose exit [ 1, true ]

[mathiask88]

Can you check if the binding.gyp contains CRLF or LF line endings? I'm on my phone right now. I'm developing under Windows and maybe the CRLF slipped in.

[teropes]

My text editor on my dev machine (Sublime Text 3) shows Line Endings as "Windows" so that may indeed be the issue.

[mathiask88]

Yes, there is something wrong indeed. On Github line endings are ok because of git's autoCRLF I think but npm uploaded the DOS/Windows line endings :( I'm about to release a new version anyway and will have a special look on LE this time. You can try install from github (e.g. npm install mathiask88/node-snap7) or wait until the new version is published. Thanks for your report!

[mathiask88]

@teropes I published a new release to npm that fixed the line endings and is compatible to node 4.x. Would be cool if you can test it and report back.

[teropes]

node-snap7 0.2.2 now builds properly also as non-root user in both of my Centos / Oracle Linux dev machines and no other issues detected so far. This is now fixed, cheers!