Fix node-arch sniffing for node 0.6 and to use the correct node.

[trentm]

• Use npm_config_prefix to use the node invoking this npm
• node < 0.8 doesn't have 'process.config'

Hi Chris,

Without this patch the "ARCH=" sniffing would blow up with node 0.6, resulting in a fallback to 'isainfo -k' arch... which in my case was 64-bit when the relevant node build was 32-bit -> boom.

[chrisa]

Thanks for the report!

I've actually gone a slightly different way to fix the issues - I moved the javascript oneliner into a script and extended it to try process.arch as an alternative to process.config. This avoids getting involved in the differences in file(1) output on various platforms.

I also checked for a value in $npm_config_prefix to support building without npm, directly using node-gyp.

Would you be able to try the changes in my issue_24 branch, and see if they work OK in your environment?

[trentm]

Yup, your changes work for me (0.6 and 0.8 on SmartOS and Mac). Looking forward to a published ver with this. Thanks!

FWIW, a side nit: there is also no process.arch in node 0.4. But that's 0.4. :) It might be nice to add this to your package.json:

"engines": {"node": ">=0.6"},

to be explicit.

[chrisa]

Good call on "engines" - I've added that.

Version 0.2.4 is now published into NPM with these changes.

Thanks!

[trentm]

Thanks! Working for me in bunyan@0.16.3