VERSION_TAG = $(shell date +%Y%m%d)-01
VERSION_CHECK = @$(call print, "Building master with date version tag")

BUILD_SYSTEM = darwin-amd64 \
darwin-arm64 \
freebsd-386 \
freebsd-amd64 \
freebsd-arm \
linux-386 \
linux-amd64 \
linux-armv6 \
linux-armv7 \
linux-arm64 \
linux-ppc64 \
linux-ppc64le \
linux-mips \
linux-mipsle \
linux-mips64 \
linux-s390x \
netbsd-amd64 \
openbsd-amd64 \
windows-386 \
windows-amd64 \
windows-arm

# One can either specify a git tag as the version suffix or one is generated
# from the current date.
ifneq ($(tag),)
VERSION_TAG = $(tag)
VERSION_CHECK = ./scripts/release.sh check-tag "$(VERSION_TAG)"
endif

# By default we will build all systems. But with the 'sys' tag, a specific
# system can be specified. This is useful to release for a subset of
# systems/architectures.
ifneq ($(sys),)
BUILD_SYSTEM = $(sys)
endif