# $Id$
# meson config tools

SDEPEND="${SDEPEND}
	>= dev-util/meson-0.43
	>= dev-util/ninja-1.8"

# enables features like --enable-blah with make
meson_enable()
{
	local feature="$1"
	local option="$2"
	[[ -z ${option} ]] && option="true"

	echo "-Denable-${feature}=${option}"
}

# disables features like --disable-blah with make
meson_disable()
{
	local feature="$1"
	echo "-Denable-${feature}=false"
}

# enables features like --with-blah with make
meson_with()
{
	local feature="$1"
	local option="$2"
	[[ -z ${option} ]] && option="true"

	echo "-Dwith-${feature}=${option}"
}

# enables features like --with-blah with make
meson_without()
{
	local feature="$1"
	echo "-Dwith-{feature}=false"
}

# generic meson opts
meson_opt()
{
	local feature="$1"
	local option="$2"
	echo "-D${feature}=${option}"
}

meson_src_prepare()
{
	munpack ${SRCFILE} || die
}

meson_configure()
{
	local configure_opts="$@"
	local default_opts

	default_opts+=" --buildtype=release"
	default_opts+=" --prefix=/usr"
	default_opts+=" --sysconfdir=/etc"
	default_opts+=" --localstatedir=/var/lib"
	default_opts+=' --libdir=/usr/$(mlibdir)'
	default_opts+=' --libexecdir=/usr/$(mlibdir)/${PNAME}'

	if [[ ${MULTILIB_BUILD} = true ]]
	then
		all-abis meson setup ${default_opts} ${configure_opts} ${SRCDIR}-$(mabi)/${SRCSUBDIR} ${BUILDDIR}/build-$(mabi) || die
	else
		meson setup ${default_opts} ${configure_opts} ${SRCDIR}/${SRCSUBDIR} ${BUILDDIR}/build || die
	fi
}

mninja()
{
	if [[ ${MULTILIB_BUILD} = true ]]
	then
		all-abis ninja -C ${SRCDIR}-$(mabi)/${SRCSUBDIR} -C ${BUILDDIR}/build-$(mabi) -v ${MAKEOPTS} "$@"
	else
		ninja -C ${SRCDIR}/${SRCSUBDIR} -C ${BUILDDIR}/build -v ${MAKEOPTS} "$@"
	fi
}

meson_setup_builddir()
{
	if [[ ${MULTILIB_BUILD} = true ]]
	then
		all-abis install -d ${BUILDDIR}/build-$(mabi) || die
	else
		install -d ${BUILDDIR}/build || die
	fi
}

meson_src_compile()
{
	if [[ ${MULTILIB_BUILD} != true ]]
	then
		cd ${SRCDIR}
	fi

	meson_setup_builddir || die
	meson_configure "$@" || die
	mninja || die
}

meson_src_check()
{
	cd ${BUILDDIR}/build
	meson test || die
}

meson_multilib_src_check()
{
	local abi
	local abis_to_run="${MULTILIB_ABIS}"

	# respect MULTILIB_ONLY_ABI variable
	[[ ! -z ${MULTILIB_ONLY_ABI} ]] && abis_to_run="${MULTILIB_ONLY_ABI}"
	for abi in ${abis_to_run}
	do
		cd ${BUILDDIR}/build-${abi}
		meson test || die
	done
}

meson_src_install()
{
	cd ${BUILDDIR}/build
	DESTDIR=${BINDIR} ninja install || die

	cd ${SRCDIR}
	local i
	for i in ABOUT-NLS AUTHORS BUGS CHANGES ChangeLog COPYING \
		FAQ LICENSE NEWS README TODO
	do
		if [ -f ${SRCDIR}/${i} ]
		then
			minstalldocs ${i} || die
		fi
	done
}

meson_multilib_src_install()
{
	local abi
	local abis_to_run="${MULTILIB_ABIS}"

	# respect MULTILIB_ONLY_ABI variable
	[[ ! -z ${MULTILIB_ONLY_ABI} ]] && abis_to_run="${MULTILIB_ONLY_ABI}"
	for abi in ${abis_to_run}
	do
		cd ${BUILDDIR}/build-${abi}
		DESTDIR=${BINDIR} ninja install || die

		cd ${SRCDIR}-${abi}
		local i
		for i in ABOUT-NLS AUTHORS BUGS CHANGES ChangeLog COPYING \
			FAQ LICENSE NEWS README TODO
		do
			if [ -f ${SRCDIR}-${abi}/${i} ]
			then
				minstalldocs ${i} || die
			fi
		done
	done
}

export_inherits meson src_prepare src_compile
if [[ ${MULTILIB_BUILD} = true ]]
then
	export_inherits meson_multilib src_check src_install
else
	export_inherits meson src_check src_install
fi