This commit replaces the shell script-driven build process for Nomad
with one based around GNU Make (note we _do_ use GNU-specific
constructs), requiring no additional scripts for common cases of
development. The following targets are implemented:
Per-OS/arch combinations:
Binaries (Host - Mac OS X):
pkg/darwin_amd64/nomad
Binaries (Host - Linux):
pkg/linux_386/nomad
pkg/linux_amd64/nomad
pkg/linux_amd64-lxc/nomad
pkg/linux_arm/nomad
pkg/linux_arm64/nomad
pkg/windows_386/nomad
pkg/windows_amd64/nomad
Packages (Host - Mac OS X):
pkg/darwin_amd64.zip
Packages (Host - Linux):
pkg/linux_386.zip
pkg/linux_amd64.zip
pkg/linux_amd64-lxc.zip
pkg/linux_arm.zip
pkg/linux_arm64.zip
pkg/windows_386.zip
pkg/windows_amd64.zip
Phony targets:
dev - Builds for the current host GOOS/GOARCH (unless overriden
in the environment)
release - Builds all appropriate release packages for the
current host GOOS/GOARCH (i.e. Windows and Linux
packages on a Linux host, Darwin packages on an OSX
host)
generate - Generate code for the current host architecture using
`go generate`.
test - Runs the Nomad test suite
clean - Removes build artifacts
travis - Runs `make test` with the wrapper script to prevent
Travis CI from timing out.
help - Displays usage information about commonly used targets.
Note that there are some semantic differences from the previous version.
1. `generate` is no longer a dependency of `dev` builds. This is because
it causes a rebuild every time, even when no code has changed, since
`go generate` does not appear to leave file timestamps alone.
Regardless, it is insufficient to generate on one host OS - it needs
to be run on each target to ensure everything is generated correctly.
2. `gofmt` is no longer checked. This should be enabled as a linter once
the `gofmt -s` refactoring will pass on the whole code base, in order
to avoid special cased checks versus using go-metalinter.
Example Usages:
Make a development build for the current GOOS/GOARCH:
make dev
Make release build packages appropriate for the host OS:
make release
Update generated code for the host OS:
make generate
Run linting checks:
make check
Build a specific alternative GOOS/GOARCH/tags combination:
make pkg/linux_amd64-pkg/nomad
make pkg/linux_amd64-pkg.zip
