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Dane Springmeyer edited this page Sep 11, 2013 · 21 revisions

As of v2.1.16 (and pull request #192) node-sqlite3 now defaults to installing a pre-built binary of node_sqlite3.node (with a statically linked libsqlite3) when available.

Forcing a source compile

To force building from source do:

npm install sqlite3 --build-from-source=sqlite3

or

npm install sqlite3 --build-from-source

Installing an alternative arch

To request an (additional) arch be installed that is different from the value of process.arch for your running node version you can pass --target_arch. For example, to install a 32bit binary on the 64 bit system do:

npm install sqlite3 --target_arch=ia32

Missing binaries

We have not yet built binaries for all possible variants. Here are the ones that are most requested and not available as of Sept 10, 2013:

Creating new binaries

Users that find a binary is not available for their platform are encouraged to trigger a custom source compile that will package a binary for later distribution. To do this run:

npm install sqlite3 --stage

This will drop a tarball (.tar.gz) and a shasum (sha1.txt) in the stage/ folder within the installed module folder. These two files therefore will be available at $HOME/node_modules/sqlite3/stage/Release/.

You can also run npm install --stage from within a node-sqlite3 checkout from github.

To submit your built tar.gz please email it to dane - at - mapbox.com. In the future we plan to automate this.

Available binaries

Currently available binaries are listed here.

Binary versioning

Binaries are versioned based on the node-sqlite3 version, node version, platform, and architecture. Given this amounts many versions we have not yet created binaries for all possible combinations.

Specifically, versioning works like this:

${configuration folder}/node-sqlite3-${MAJOR}.${MINOR}.${ABI}-node-v${ABI}-${platform}-${arch}.tar.gz
  • configuration folder - 'Release' or 'Debug'
  • node-sqlite3 MAJOR and MINOR match the semver values for the given release. The ABI is a special incrementing letter that marks new versions of the c++ code.
  • The node versioning uses the C++ ABI number rather node's semver string. This value is available in javascript process.versions.modules as of >= v0.10.4 >= v0.11.7 and in C++ as the NODE_MODULE_VERSION define much earlier. Currently the node-sqlite3 build scripts access this value only via process.versions.modules so for versions before v0.10.4 the v8 MAJOR.MINOR is used as a proxy.
  • platform matches node's process.platform like linux, darwin, and win32
  • arch matches node's process.arch like x64 or ia32

Crosswalking node version to node module ABI

Below is a listing of how node versions crosswalk with the process.versions.modules value:

{ '0.6.3': 1,
  '0.6.4': 1,
  '0.6.5': 1,
  '0.6.6': 1,
  '0.6.7': 1,
  '0.6.8': 1,
  '0.6.9': 1,
  '0.6.10': 1,
  '0.6.11': 1,
  '0.6.12': 1,
  '0.6.13': 1,
  '0.6.14': 1,
  '0.6.15': 1,
  '0.6.16': 1,
  '0.6.17': 1,
  '0.6.18': 1,
  '0.6.19': 1,
  '0.6.20': 1,
  '0.6.21': 1,
  '0.7.0': 1,
  '0.7.1': 1,
  '0.7.2': 1,
  '0.7.3': 1,
  '0.7.4': 1,
  '0.7.5': 1,
  '0.7.6': 1,
  '0.7.7': 1,
  '0.7.8': 1,
  '0.7.9': 1,
  '0.7.10': 1,
  '0.7.11': 1,
  '0.7.12': 1,
  '0.8.0': 1,
  '0.8.1': 1,
  '0.8.2': 1,
  '0.8.3': 1,
  '0.8.4': 1,
  '0.8.5': 1,
  '0.8.6': 1,
  '0.8.7': 1,
  '0.8.8': 1,
  '0.8.9': 1,
  '0.8.10': 1,
  '0.8.11': 1,
  '0.8.12': 1,
  '0.8.13': 1,
  '0.8.14': 1,
  '0.8.15': 1,
  '0.8.16': 1,
  '0.8.17': 1,
  '0.8.18': 1,
  '0.8.19': 1,
  '0.8.20': 1,
  '0.8.21': 1,
  '0.8.22': 1,
  '0.8.23': 1,
  '0.8.24': 1,
  '0.8.25': 1,
  '0.9.0': 1,
  '0.9.1': 10,
  '0.9.2': 10,
  '0.9.3': 10,
  '0.9.4': 10,
  '0.9.5': 10,
  '0.9.6': 10,
  '0.9.7': 10,
  '0.9.8': 10,
  '0.9.9': 11,
  '0.9.10': 11,
  '0.9.11': 11,
  '0.9.12': 11,
  '0.10.0': 11,
  '0.10.1': 11,
  '0.10.2': 11,
  '0.10.3': 11,
  '0.10.4': 11,
  '0.10.5': 11,
  '0.10.6': 11,
  '0.10.7': 11,
  '0.10.8': 11,
  '0.10.9': 11,
  '0.10.10': 11,
  '0.10.11': 11,
  '0.10.12': 11,
  '0.10.13': 11,
  '0.10.14': 11,
  '0.10.15': 11,
  '0.10.16': 11,
  '0.10.17': 11,
  '0.10.18': 11,
  '0.11.0': 12,
  '0.11.1': 12,
  '0.11.2': 12,
  '0.11.3': 12,
  '0.11.4': 12,
  '0.11.5': 12,
  '0.11.6': 12,
  '0.11.7': 12 }

Code implementation

  • package.json has an install target that points at ./build.js
  • build.js can be run directly but will also properly handle arguments passed to npm install
  • A small module called binary_name.js is used both in build.js and lib/sqlite3.js to abstract out the details of what a given binary build is called and where it lives.
  • Binaries are checked for on s3 and if not found a source compile will be the fallback
  • sha1 sums are used to validate binaries before testing
  • a naive test of whether the module can be required is done and a source compile is the fallback if this fails
  • generally this code is quite rough - I plan (@springmeyer) to clean it up eventually into a stand alone module any developer of a C++ addon could use and contribute to.
  • A few scripts live in build-util that I use to rebuild binaries on mac and upload them to s3 - this will be cleaned up and integrated into js eventually
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