#!/usr/bin/make -f
# This file is in the public domain.
# You may freely use, modify, distribute, and relicense it.

PACKAGE = golang

libexecdir := /usr/lib/go
datadir := /usr/share/go
bindir := /bin

build-arch build-indep build clean install binary-arch binary-indep binary: debian/control
	+dh --parallel $(opt_no_act) $@

override_dh_auto_clean:
	rm -rf bin pkg
	rm -f debian/*+
	rm -f debian/build.stamp
	rm -f test/pass.out test/run.out test/times.out
	rm -rf debian/home

override_dh_auto_build: debian/build.stamp

override_dh_auto_test:
ifeq ($(RUN_TEST), true)
	cd $(CURDIR)/src && \
	$(CURDIR)/debian/test.bash $(GOROOT)/pkg/tool/$(GOHOSTOS)_$(GOHOSTARCH);
else
	:
endif

override_dh_compress:
	dh_compress -Xusr/share/doc/$(PACKAGE)-doc/html -Xusr/share/doc/$(PACKAGE)-doc/godoc

override_dh_install:
	dh_install --fail-missing
	# Remove binary from documentation
	-rm $(CURDIR)/debian/golang-doc/usr/share/doc/golang-doc/html/articles/wiki/get.bin
	# Make scripts executable
	chmod +x $(CURDIR)/debian/golang-src/usr/share/go/src/cmd/godoc/setup-godoc-app.bash
	# Remove testdata and tests from installed src directory
	find $(CURDIR)/debian/golang-src/usr/share/go/src -type d -name testdata -prune -execdir rm -rf {} \;
	find $(CURDIR)/debian/golang-src/usr/share/go/src -type f -name '*_test.go' -delete
	# Touch built and installed files and directories to have same timestamp
	touch $(CURDIR)/debian/golang-go/usr/lib/go/pkg
	find $(CURDIR)/debian/golang-go/usr/lib/go/pkg -exec touch -r $(CURDIR)/debian/golang-go/usr/lib/go/pkg {} \;

override_dh_strip:
	dh_strip -X".a" -Xgoinstall -Xgodoc -Xgoyacc -Xbin/cgo -Xebnflint -Xgofix -Xgofmt -Xgovet -Xgotest --dbg-package=$(PACKAGE)-dbg

debian/build.stamp:
	rm -f debian/build.stamp
	mkdir -p $(GOBIN)
	+cd src && bash ./make.bash --no-banner
	>debian/build.stamp

opt_no_act =
RUN_TEST := true

ifneq (,$(filter noopt,$(DEB_BUILD_OPTIONS)))
    $(warning no support for disabling optimization)
endif

ifneq (,$(findstring n,$(MAKEFLAGS)))
    opt_no_act = --no-act
endif

ifneq (,$(filter nocheck,$(DEB_BUILD_OPTIONS)))
    RUN_TEST := false
endif

GOROOT := $(CURDIR)
GOROOT_FINAL := $(libexecdir)
GOBIN := $(CURDIR)$(bindir)
GOARM :=

DEB_HOST_ARCH := $(shell dpkg-architecture -qDEB_HOST_ARCH 2>/dev/null)
DEB_HOST_ARCH_OS := $(shell dpkg-architecture -qDEB_HOST_ARCH_OS 2>/dev/null)
DEB_HOST_ARCH_CPU := $(shell dpkg-architecture -qDEB_HOST_ARCH_CPU 2>/dev/null)
DEB_BUILD_ARCH_OS := $(shell dpkg-architecture -qDEB_BUILD_ARCH_OS 2>/dev/null)
DEB_BUILD_ARCH_CPU := $(shell dpkg-architecture -qDEB_BUILD_ARCH_CPU 2>/dev/null)

ifeq ($(DEB_BUILD_ARCH_OS), kfreebsd)
    RUN_TEST := false
    GOHOSTOS := freebsd
else ifeq ($(DEB_BUILD_ARCH_OS), linux)
    GOHOSTOS := linux
else
    $(error unrecongized build host kernel $(DEB_BUILD_ARCH_OS)!)
endif

ifeq ($(DEB_HOST_ARCH_OS), kfreebsd)
    RUN_TEST := false
    GOOS := freebsd
else ifeq ($(DEB_HOST_ARCH_OS), linux)
    GOOS := linux
else
    $(error unrecognized kernel $(DEB_HOST_ARCH_OS)!)
endif

ifeq ($(DEB_BUILD_ARCH_CPU), i386)
    GOHOSTARCH := 386
else ifeq ($(DEB_BUILD_ARCH_CPU), amd64)
    GOHOSTARCH := amd64
else ifeq ($(DEB_BUILD_ARCH_CPU), arm)
    GOHOSTARCH := arm
else ifeq ($(DEB_BUILD_ARCH_CPU), armhf)
    GOHOSTARCH := arm
else
    $(error unrecognized build host instruction set $(DEB_HOST_ARCH_CPU)!)
endif

ifeq ($(DEB_HOST_ARCH_CPU), i386)
    GOARCH := 386
    GOPREFIX := 8
else ifeq ($(DEB_HOST_ARCH_CPU), amd64)
    GOARCH := amd64
    GOPREFIX := 6
else ifeq ($(DEB_HOST_ARCH_CPU), arm)
    GOARCH := arm
    GOPREFIX := 5
ifeq ($(DEB_HOST_ARCH), armel)
    RUN_TEST := false
    GOARM := 5
else ifeq ($(DEB_HOST_ARCH), armhf)
    GOARM := 6
else
    $(error unrecognized arm architecture $(DEB_HOST_ARCH)!)
endif
else
    $(error unrecognized instruction set $(DEB_HOST_ARCH_CPU)!)
endif

export GOROOT GOROOT_FINAL GOOS GOARCH GOARM GOBIN GOHOSTARCH GOHOSTOS

.PHONY: build clean install binary-arch binary-indep binary