#!/usr/bin/make -f

# Do not include plan9 and windows packages that are not relevant to Debian. In
# particular, the plan9 package makes build fail when using gccgo.
export DH_GOLANG_EXCLUDES := plan9 windows
BUILDDIR := $(CURDIR)/build

%:
	dh $@ --buildsystem=golang --with=golang --builddirectory=$(BUILDDIR)

override_dh_auto_configure:
	dh_auto_configure -O--buildsystem=golang -O--builddirectory=$(BUILDDIR)
	# Rename Go source files so older versions of gccgo on mips* can find
	# them, and fix build restrictions. Endianness does not matter (for now
	# at least), so remove dupes.
	cd $(BUILDDIR)/src/golang.org/x/sys/unix/; \
	for i in errors syscall sysnum types; do \
            sed 's%^// +build .*%// +build linux,mips linux,mipsle linux,mipso32%' \
                < z$${i}_linux_mips.go > z$${i}_linux_mipsx.go && \
            rm z$${i}_linux_mipsle.go z$${i}_linux_mips.go && \
            sed 's%^// +build .*%// +build linux,mips64 linux,mips64le linux,mipsn64%' \
                < z$${i}_linux_mips64.go > z$${i}_linux_mips64x.go && \
            rm z$${i}_linux_mips64le.go z$${i}_linux_mips64.go; \
	done

# Sadly, the stupid arch names gccgo used until recently prevent us from
# detecting endianness. Debian has only little endian for mips64, so that is
# not an issue, but for 32-bits, while using older versions of gccgo, you'll
# need to set the appropriate tags: mips or mipsle.
ifeq ($(findstring mips,$(DEB_BUILD_ARCH)),mips)
# mipsel => mipsle, mips64el => mips64le
BUILDTAGS := $(DEB_BUILD_ARCH:el=le)
endif

ifdef BUILDTAGS
override_dh_auto_build:
	dh_auto_build -O--buildsystem=golang -O--builddirectory=$(BUILDDIR) -- -tags $(BUILDTAGS)

override_dh_auto_test:
	dh_auto_test -O--buildsystem=golang -O--builddirectory=$(BUILDDIR) -- -tags $(BUILDTAGS)
endif