# Template file for 'ghdl'
#
# We could also package the gcc backend, but that requires an entire gcc
# source tree being available and looks rather complicated, so for now
# only mcode (on x86) and llvm (everywhere) is done
#
pkgname=ghdl
reverts="20181129_1"
version=1.0.0
revision=1
build_style=configure
configure_args="--prefix=/usr --srcdir=.. --incdir=lib/ghdl/include"
makedepends="zlib-devel"
short_desc="VHDL 2008/93/87 simulator"
maintainer="m3tav3rse <mtvrs@tuta.io>"
license="GPL-2.0-or-later"
homepage="https://github.com/ghdl/ghdl"
distfiles="https://github.com/ghdl/ghdl/archive/v${version}.tar.gz"
checksum=cb424766fbe831ff41bec84016a6af0406d735c272b0b639d507c3503df30495
nocross=yes
make_check=extended

build_options="llvm mcode"
build_options_default="llvm"

desc_option_llvm="Build the portable LLVM backend"
desc_option_mcode="Build the x86-only mcode backend"

if [ "$build_option_mcode" ]; then
	depends=" ghdl-mcode>=${version}_${revision}"
elif [ "$build_option_llvm" ]; then
	depends=" ghdl-llvm>=${version}_${revision}"
fi

case "$XBPS_TARGET_MACHINE" in
	i686*|x86_64*)
		build_options_default+=" mcode"
		;;
	*)
		if [ "$build_option_mcode" ]; then
			broken="mcode backend only available on x86"
		fi
esac

# get around xbps-src's broken 2-pass option eval
unset subpackages

if [ "$build_option_mcode" ]; then
	subpackages+=" ghdl-mcode"
fi

if [ "$build_option_llvm" ]; then
	subpackages+=" ghdl-llvm"
	makedepends+=" llvm12"
fi

do_configure() {
	if [ "$build_option_mcode" ]; then
		mkdir -p build_mcode
		cd build_mcode
		../configure --libdir=lib/ghdl/mcode \
			${configure_args}
		cd ..
	fi
	if [ "$build_option_llvm" ]; then
		mkdir -p build_llvm
		cd build_llvm
		../configure --libdir=lib/ghdl/llvm --with-llvm-config \
			${configure_args}
		cd ..
	fi
}

do_build() {
	if [ "$build_option_mcode" ]; then
		make -C build_mcode ${makejobs}
	fi
	if [ "$build_option_llvm" ]; then
		make -C build_llvm ${makejobs}
	fi
}

do_install() {
	# must be first; make install uses it
	vbin ${FILESDIR}/ghdl
	# install whatever backends we have
	if [ "$build_option_mcode" ]; then
		make -C build_mcode DESTDIR=${DESTDIR} install
		rm -rf ${DESTDIR}/usr/lib/ghdl/src
		mv ${DESTDIR}/usr/lib/ghdl/mcode/src ${DESTDIR}/usr/lib/ghdl
		ln -s ../src ${DESTDIR}/usr/lib/ghdl/mcode/src
	fi
	if [ "$build_option_llvm" ]; then
		make -C build_llvm DESTDIR=${DESTDIR} install
		rm -rf ${DESTDIR}/usr/lib/ghdl/src
		mv ${DESTDIR}/usr/lib/ghdl/llvm/src ${DESTDIR}/usr/lib/ghdl
		ln -s ../src ${DESTDIR}/usr/lib/ghdl/llvm/src
	fi
	# manpage is not installed by default
	vman doc/ghdl.1
}

do_check() {
	# the testsuite is broken
	# after a while it fails with this:
	# ghdl: unknown command '--synth', try --help
	# this indicates a bug in the testsuite
	: && return 0

	# need a temporary installation for testsuite run so that ghdl1 is found
	for variant in ${build_options_default}; do
		cd ${wrksrc}/build_${variant}
		mkdir -p tmp_inst/usr/bin
		ln -sf ghdl-${variant} tmp_inst/usr/bin/ghdl
		make DESTDIR=${wrksrc}/build_${variant}/tmp_inst install
		cd ../testsuite
		GHDL="${wrksrc}/build_${variant}/tmp_inst/usr/bin/ghdl" \
			./testsuite.sh
		cd ${wrksrc}
	done
}

ghdl-mcode_package() {
	short_desc+=" - mcode backend"
	pkg_install() {
		vmove usr/bin/ghdl-mcode
		vmove usr/lib/ghdl/mcode
	}
}

ghdl-llvm_package() {
	short_desc+=" - LLVM backend"
	pkg_install() {
		vmove usr/bin/ghdl-llvm
		vmove usr/lib/ghdl/llvm
	}
}