# $Header: /magellan-cvs/smage/include/multilib.sminc,v 1.33 2007-11-13 15:49:09 niro Exp $
# multilib abis

# do not define EMUL_LINUX_32 after inherit of multlib !!
# it may break i*86 builds

# default ABIs to be build
case ${ARCH} in
	x86_64)
		: ${MULTILIB_ABIS="m32 m64"}
		# default false
		: ${EMUL_LINUX_32="false"}

		# add linux32 to the dependencies
		if [[ ${EMUL_LINUX_32} = true ]]
		then
			EMUL_LINUX_32_SDEPENDS_x86_64=">= dev-util/linux32-1"
			SPECIAL_VARS="${SPECIAL_VARS} EMUL_LINUX_32_SDEPENDS_x86_64"
		fi
		;;
	i*86)
		: ${MULTILIB_ABIS="m32"}
		# always false
		EMUL_LINUX_32="false"
		;;
esac

# add linux32 to the dependencies
if [[ ${EMUL_LINUX_32} = true ]]
then
	# very dirty trick to get the dependencies right
	# ; is the IFS, tr replaces ; with an crlfs
	# the var ist decided with our common eval+echo magic
	if [[ -z ${SDEPEND} ]]
	then
		SDEPEND="\$(eval echo \\\$EMUL_LINUX_32_SDEPENDS_\${ARCH/i*86/x86} | tr ';' '\n')"
	else
		SDEPEND="${SDEPEND}
			\$(eval echo \\\$EMUL_LINUX_32_SDEPENDS_\${ARCH/i*86/x86} | tr ';' '\n')"
	fi
fi

##
# overide some defaults to respect ABI_LIBDIR
##
mlibdir()
{
	local libdir=lib
	[[ ${ARCH} = x86_64 ]] && libdir=lib64
	[[ -n ${ABI_LIBDIR} ]] && libdir="${ABI_LIBDIR}"

	echo "${libdir}"
}

##
# multilib abi changers
##
abi-m32()
{
	export ABI="m32"
	export CC="gcc -${ABI}"
	export CXX="g++ -${ABI}"
	export ABI_LIBDIR="lib"
	if [[ ${EXPORT_ABI_LDFLAGS} != false ]]
	then
		export LDFLAGS="-L/${ABI_LIBDIR} -L/usr/${ABI_LIBDIR}"
	fi
	# keep pkgconfig clean
	local orig_pkg_config_path="${PKG_CONFIG_PATH}"
	export PKG_CONFIG_PATH="/usr/${ABI_LIBDIR}/pkgconfig:${PKG_CONFIG_PATH}"

	echo -e "${COLBLUE}*** ${COLGREEN}running with -${ABI} ABI${COLDEFAULT}"
	echo -e "${COLBLUE}*** ${COLGREEN}  ABI${COLDEFAULT}='${ABI}'"
	echo -e "${COLBLUE}*** ${COLGREEN}  CC${COLDEFAULT}='${CC}'"
	echo -e "${COLBLUE}*** ${COLGREEN}  CXX${COLDEFAULT}='${CXX}'"
	echo -e "${COLBLUE}*** ${COLGREEN}  ABI_LIBDIR${COLDEFAULT}='${ABI_LIBDIR}'"
	if [[ ${EXPORT_ABI_LDFLAGS} != false ]]
	then
		echo -e "${COLBLUE}*** ${COLGREEN}  LDFLAGS${COLDEFAULT}='${LDFLAGS}'"
	else
		echo -e "${COLBLUE}*** ${COLGREEN}  LDFLAGS${COLDEFAULT}='${COLYELLOW}not exported${COLDEFAULT}'"
	fi
	echo -e "${COLBLUE}*** ${COLGREEN}  PKG_CONFIG_PATH${COLDEFAULT}='${PKG_CONFIG_PATH}'"

	# configure a linux32 emulated build
	if [[ ${EMUL_LINUX_32} = true ]]
	then
		echo -e "${COLBLUE}*** ${COLGREEN}  EMUL_LINUX_32${COLDEFAULT}='${EMUL_LINUX_32}'"
		uname(){ linux32 uname $@; } && export -f uname
		ORIG_CHOST="${CHOST}" && export CHOST="i686-pc-linux-gnu"
	fi
	echo -e "${COLBLUE}*** ${COLGREEN}  CHOST${COLDEFAULT}='${CHOST}'"

	# run any given command
	eval $@ || die

	unset ABI CC CXX ABI_LIBDIR LDFLAGS
	# keep pkgconfig clean
	export PKG_CONFIG_PATH="${orig_pkg_config_path}"

	# restore original settings
	if [[ ${EMUL_LINUX_32} = true ]]
	then
		unset uname
		export CHOST="${ORIG_CHOST}" && unset ORIG_CHOST
	fi
}

abi-m64()
{
	export ABI="m64"
	export CC="gcc -${ABI}"
	export CXX="g++ -${ABI}"
	export ABI_LIBDIR="lib64"
	if [[ ${EXPORT_ABI_LDFLAGS} != false ]]
	then
		export LDFLAGS="-L/${ABI_LIBDIR} -L/usr/${ABI_LIBDIR}"
	fi
	# keep pkgconfig clean
	local orig_pkg_config_path="${PKG_CONFIG_PATH}"
	export PKG_CONFIG_PATH="/usr/${ABI_LIBDIR}/pkgconfig:${PKG_CONFIG_PATH}"

	echo -e "${COLBLUE}*** ${COLGREEN}running with -${ABI} ABI${COLDEFAULT}"
	echo -e "${COLBLUE}*** ${COLGREEN}  ABI${COLDEFAULT}='${ABI}'"
	echo -e "${COLBLUE}*** ${COLGREEN}  CC${COLDEFAULT}='${CC}'"
	echo -e "${COLBLUE}*** ${COLGREEN}  CXX${COLDEFAULT}='${CXX}'"
	echo -e "${COLBLUE}*** ${COLGREEN}  ABI_LIBDIR${COLDEFAULT}='${ABI_LIBDIR}'"
	if [[ ${EXPORT_ABI_LDFLAGS} != false ]]
	then
		echo -e "${COLBLUE}*** ${COLGREEN}  LDFLAGS${COLDEFAULT}='${LDFLAGS}'"
	else
		echo -e "${COLBLUE}*** ${COLGREEN}  LDFLAGS${COLDEFAULT}='${COLYELLOW}not exported${COLDEFAULT}'"
	fi
	echo -e "${COLBLUE}*** ${COLGREEN}  CHOST${COLDEFAULT}='${CHOST}'"
	echo -e "${COLBLUE}*** ${COLGREEN}  PKG_CONFIG_PATH${COLDEFAULT}='${PKG_CONFIG_PATH}'"

	# run any given command
	eval $@ || die

	unset ABI CC CXX ABI_LIBDIR LDFLAGS
	# keep pkgconfig clean
	export PKG_CONFIG_PATH="${orig_pkg_config_path}"
}

only-m32()
{
	local abi=m32
	local i

	for i in ${MULTILIB_ABIS}
	do
		if [[ ${i} = ${abi} ]]
		then
			# export this for mpatch etc (to repect only-${abi})
			export MULTILIB_ONLY_ABI=${abi}

			cd ${SRCDIR}-${abi}
			abi-${abi} $@ || die

			# unset this is very important
			unset MULTILIB_ONLY_ABI
		fi
	done
}

only-m64()
{
	local abi=m64
	local i

	for i in ${MULTILIB_ABIS}
	do
		if [[ ${i} = ${abi} ]]
		then
			# export this for mpatch etc (to repect only-${abi})
			export MULTILIB_ONLY_ABI=${abi}

			cd ${SRCDIR}-${abi}
			abi-${abi} $@ || die

			# unset this is very important
			unset MULTILIB_ONLY_ABI
		fi
	done
}

all-abis()
{
	local abi
	for abi in ${MULTILIB_ABIS}
	do
		cd ${SRCDIR}-${abi}
		abi-${abi} $@ || die
	done
}

##
# multilib compile functions
##

if [[ ! -z $(typeset -f mconfigure) ]]
then
	# rename the old one
	old_mconfigure=old$(typeset -f mconfigure)
	eval "${old_mconfigure}"
fi
mconfigure()
{
	local abi
	local abis_to_run="${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 ${SRCDIR}-${abi}
		abi-${abi} oldmconfigure $@ || die
	done
}

if [[ ! -z $(typeset -f cmake_configure) ]]
then
	# rename the old one
	old_cmake_configure=old$(typeset -f cmake_configure)
	eval "${old_cmake_configure}"
fi
cmake_configure()
{
	local abi
	local abis_to_run="${MULTILIB_ABIS}"

	# respect MULTILIB_ONLY_ABI variable
	[[ ! -z ${MULTILIB_ONLY_ABI} ]] && abis_to_run="${MULTILIB_ONLY_ABI}"

	local saved_SRCDIR="${SRCDIR}"
	for abi in ${abis_to_run}
	do
		SRCDIR="${saved_SRCDIR}-${abi}"
		cd ${SRCDIR}
		abi-${abi} oldcmake_configure $@ || die
	done
}

if [[ ! -z $(typeset -f munpack) ]]
then
	# rename the old one
	old_munpack=old$(typeset -f munpack)
	eval "${old_munpack}"
fi
munpack()
{
	local abi
	local abis_to_run="${MULTILIB_ABIS}"

	# respect MULTILIB_ONLY_ABI variable
	[[ ! -z ${MULTILIB_ONLY_ABI} ]] && abis_to_run="${MULTILIB_ONLY_ABI}"

	for abi in ${abis_to_run}
	do
		echo -e "${COLBLUE}*** ${COLGREEN}unpacking for ABI -${abi}${COLDEFAULT}"
		oldmunpack ${SRCFILE} || die
		mv ${SRCDIR} ${SRCDIR}-${abi} || die
	done
}

if [[ ! -z $(typeset -f mmake) ]]
then
	# rename the old one
	old_mmake=old$(typeset -f mmake)
	eval "${old_mmake}"
fi
mmake()
{
	local abi
	local abis_to_run="${MULTILIB_ABIS}"

	# respect MULTILIB_ONLY_ABI variable
	[[ ! -z ${MULTILIB_ONLY_ABI} ]] && abis_to_run="${MULTILIB_ONLY_ABI}"

	for abi in ${abis_to_run}
	do
		echo -e "${COLBLUE}*** ${COLGREEN}compiling for ABI -${abi}${COLDEFAULT}"
		cd ${SRCDIR}-${abi}
		abi-${abi} oldmmake $@ || die
	done
}

if [[ ! -z $(typeset -f minstall) ]]
then
	# rename the old one
	old_minstall=old$(typeset -f minstall)
	eval "${old_minstall}"
fi
minstall()
{
	local abi
	local abis_to_run="${MULTILIB_ABIS}"

	# respect MULTILIB_ONLY_ABI variable
	[[ ! -z ${MULTILIB_ONLY_ABI} ]] && abis_to_run="${MULTILIB_ONLY_ABI}"

	for abi in ${abis_to_run}
	do
		echo -e "${COLBLUE}*** ${COLGREEN}installing for ABI -${abi}${COLDEFAULT}"
		cd ${SRCDIR}-${abi}
		abi-${abi} oldminstall $@ || die
	done
}

minstall_destdir()
{
	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 ${abis_to_run}
	do
		echo -e "${COLBLUE}*** ${COLGREEN}installing for ABI -${abi}${COLDEFAULT}"
		cd ${SRCDIR}-${abi}
		make DESTDIR=${BINDIR} $@ install || die
	done
}

if [[ ! -z $(typeset -f mpatch) ]]
then
	# rename the old one
	old_mpatch=old$(typeset -f mpatch)
	eval "${old_mpatch}"
fi
mpatch()
{
	local abi
	local abis_to_run="${MULTILIB_ABIS}"

	# respect MULTILIB_ONLY_ABI variable
	[[ ! -z ${MULTILIB_ONLY_ABI} ]] && abis_to_run="${MULTILIB_ONLY_ABI}"

	for abi in ${abis_to_run}
	do
		echo -e "${COLBLUE}*** ${COLGREEN}appling patch for ABI -${abi}${COLDEFAULT}"
		cd ${SRCDIR}-${abi}
		oldmpatch $@ || die
	done
}

if [[ ! -z $(typeset -f mlibtoolize) ]]
then
	# rename the old one
	old_mlibtoolize=old$(typeset -f mlibtoolize)
	eval "${old_mlibtoolize}"
fi
mlibtoolize()
{
	local abi
	local abis_to_run="${MULTILIB_ABIS}"

	# respect MULTILIB_ONLY_ABI variable
	[[ ! -z ${MULTILIB_ONLY_ABI} ]] && abis_to_run="${MULTILIB_ONLY_ABI}"

	for abi in ${abis_to_run}
	do
		echo -e "${COLBLUE}*** ${COLGREEN}running mlibtoolize for ABI -${abi}${COLDEFAULT}"
		cd ${SRCDIR}-${abi}
		oldmlibtoolize $@ || die
	done
}

minstalldocs()
{
	local abi
	local docfiles
	docfiles="$@"

	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 ${SRCDIR}-${abi}
		if [ ! -d ${BINDIR}/usr/share/doc/${PNAME}-${PVER} ]
		then
			install -d ${BINDIR}/usr/share/doc/${PNAME}-${PVER} || die "creating doc dirs."
		fi

		for i in ${docfiles}
		do
			cat ${SRCDIR}-${abi}/${i} | gzip -9c > ${SRCDIR}-${abi}/${i}.gz || die "gzipping docs."
			install -m 0644 ${SRCDIR}-${abi}/${i}.gz \
				${BINDIR}/usr/share/doc/${PNAME}-${PVER} || die "coping docs."
		done
	done
}

##
# multilib mbuild wrappers
##
multilib_src_prepare()
{
	munpack
}

multilib_src_compile()
{
	mconfigure
	mmake
}

multilib_src_install()
{
	minstall_destdir

	local i
	for abi in ${MULTILIB_ABIS}
	do
		cd ${SRCDIR}-${abi}
		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 multilib src_prepare src_compile src_install