build: add 'no npm' install target

[bnoordhuis]

http://groups.google.com/group/nodejs/msg/a87848b675ee07ed

[rmustacc]

Shouldn't installing the bundled npm only be the default on Windows similar to OpenSSL?

[rmg]

It saves a step when setting up a new development environment on any type of system, which I found immediately useful.

Might make sense to make the default install target "smart" to only install npm if it isn't already installed and then have a mechanism for forcing the decision in either direction.

Another solution is to have a separate target that wraps 'curl http://npmjs.org/install.sh | sh' called install-npm and mention it in the build instructions and possibly at the end of 'make install'.

[isaacs]

I think that this should be a ./configure --without-npm option.

[rmustacc]

Since the previous default was not there, I guess I'd rather see it be --with-npm. Similar to how we don't default to installing the bundled OpenSSL or zlib libraries.

[isaacs]

@rmustacc Well, sure, but we want to have npm installed by default when you do ./configure && make && sudo make install.

[bnoordhuis]

Fixed in 3ca0517.