# Template file for 'go'
pkgname=go
version=1.2.1
revision=1
wrksrc=go
makedepends="ed bison"
depends="perl gawk"
short_desc="The Go Programming Language"
maintainer="Juan RP <xtraeme@gmail.com>"
homepage="http://golang.org/"
license="BSD"
distfiles="http://go.googlecode.com/files/go${version}.src.tar.gz"
checksum=1655a9367bec083df57cacc29add280c279791801e102fd851c00d8babd12a55

nostrip=yes
noverifyrdeps=yes

do_build() {
	unset GCC CC CXX LD CFLAGS

	case "$XBPS_MACHINE" in
		arm*) export GOHOSTARCH=arm;;
		i686*) export GOHOSTARCH=386;;
		x86_64*) export GOHOSTARCH=amd64;;
	esac
	case "$XBPS_TARGET_MACHINE" in
		armv6l*) export GOARM=6;;
		armv7l*) export GOARM=7;;
	esac

	export GOROOT_FINAL="/usr/lib/go"
	export GOOS=linux

	cd src
	# ARM build
	export GOARCH=arm
	bash make.bash

	# x86 build
	export GOARCH=386
	bash make.bash

	# x86_64 build
	export GOARCH=amd64
	bash make.bash
}

do_install() {
	vinstall LICENSE 644 usr/share/licenses/go
	vinstall misc/bash/go 644 usr/share/bash-completion/completions
	vinstall misc/emacs/go-mode-load.el 644 usr/share/emacs/site-lisp
	vinstall misc/emacs/go-mode.el 644 usr/share/emacs/site-lisp
	vinstall misc/zsh/go 644 usr/share/zsh/site-functions _go

	for f in ftdetect/gofiletype.vim autoload/go/complete.vim indent/go.vim \
		ftplugin/go/fmt.vim ftplugin/go/import.vim \
		syntax/go.vim syntax/godoc.vim plugin/godoc.vim; do
		vinstall misc/vim/$f 644 usr/share/vim/vimfiles
	done

	install -d ${DESTDIR}/{etc/profile.d,usr/{share/go,lib/go,lib/go/src,lib/go/site/src}}

	cp -r doc misc -t ${DESTDIR}/usr/share/go
	ln -s /usr/share/go/doc ${DESTDIR}/usr/lib/go/doc

	if [ "$CROSS_BUILD" ]; then
		case "$XBPS_TARGET_MACHINE" in
			arm*) bindir=bin/linux_arm;;
			i686*) bindir=bin/linux_386;;
			x86_64*) bindir=bin/linux_amd64;;
		esac
	else
		bindir=bin
	fi

	vmkdir usr/bin
	cp -a ${bindir}/* ${DESTDIR}/usr/bin
	cp -a pkg ${DESTDIR}/usr/lib/go
	cp -a src/pkg ${DESTDIR}/usr/lib/go/src/
	cp -a src/cmd ${DESTDIR}/usr/lib/go/src/cmd
	cp -a src/lib9 ${DESTDIR}/usr/lib/go/src/
	cp -a lib ${DESTDIR}/usr/lib/go/
	cp -a include ${DESTDIR}/usr/lib/go/

	install -Dm644 src/Make.* ${DESTDIR}/usr/lib/go/src

	# Remove object files from target src dir
	find ${DESTDIR}/usr/lib/go/src/ -type f -name '*.[ao]' -delete
	find ${DESTDIR}/usr/lib/go/src/pkg -type f -executable -delete

	# Headers for C modules
	vinstall src/pkg/runtime/runtime.h 644 usr/lib/go/src/pkg/runtime
	vinstall src/pkg/runtime/cgocall.h 644 usr/lib/go/src/pkg/runtime

	# For packages that source /etc/profile.d/go.sh
	vinstall ${FILESDIR}/go.sh 755 etc/profile.d

	# This is to make go get code.google.com/p/go-tour/gotour and
	# then running the gotour executable work out of the box.
	#
	# Also, /usr/bin is the place for system-wide executables,
	# not /usr/lib/go/bin. Users should use different paths by
	# setting the appropriate environment variables.
	#
	ln -sf /usr/bin ${DESTDIR}/usr/lib/go/bin

	# For godoc
	vinstall favicon.ico 644 usr/lib/go

	rm -f ${DESTDIR}/usr/share/go/doc/articles/wiki/get.bin
}