# Copyright 1999-2005 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sys-libs/uclibc++/uclibc++-0.1.8.ebuild,v 1.3 2005/01/12 04:26:57 vapier Exp $

inherit eutils versionator flag-o-matic toolchain-funcs

export CTARGET=${CTARGET:-${CHOST}}
if [[ ${CTARGET} == ${CHOST} ]] ; then
	if [[ ${CATEGORY/cross-} != ${CATEGORY} ]] ; then
		export CTARGET=${CATEGORY/cross-}
	fi
fi

SVN_VER="20060807"
MY_P=${P/ucl/uCl}
GCC_P=$(get_version_component_range 4-6)
DESCRIPTION="embedded C++ library"
HOMEPAGE="http://cxx.uclibc.org/"
SRC_URI="http://cxx.uclibc.org/src/${MY_P/.${GCC_P}/}.tbz2"
[[ -z ${SVN_VER} ]] || \
	SRC_URI="${SRC_URI}	mirror://gentoo/${MY_P/.${GCC_P}/}-svn-update-${SVN_VER}.patch.bz2"

LICENSE="GPL-2"
KEYWORDS="~arm ~mips ~ppc ~x86"
IUSE="build debug hardened iconv multislot static"

if use multislot ; then
	SLOT="${CTARGET}-${GCC_P}"
else
	[[ ${CTARGET} != ${CHOST} ]] \
		&& SLOT="${CTARGET}" \
		|| SLOT="0"
fi

RDEPEND=""
if [[ ${CATEGORY/cross-} != ${CATEGORY} ]] ; then
	DEPEND="=${CATEGORY}/gcc-${GCC_P}*"
else
	DEPEND="=sys-devel/gcc-${GCC_P}*"
fi
DEPEND="${DEPEND} sys-devel/gcc-config"

S=${WORKDIR}/${MY_P/.${GCC_P}/}

# defining as 0, the non-static binaries become smaller
# defining as 1 we use the libsupc++.a provided by gcc
# groff is 7.2 MB w/ 1 and 6.3 MB w/ 0
# for static binaries it does not make any difference
USE_LIBSUPC=0

pkg_setup() {
	export GCC_LIB_PATH=$(env -i gcc-config -L)
	export GCC_PROFILE_SFX="uclibcxx"
	UCXX_GCC_VER=$(gcc-fullversion)
	if [[ ${UCXX_GCC_VER} != ${GCC_P} ]] ; then
		eerror "adapt version to the used gcc"
		die "${UCXX_GCC_VER} != ${GCC_P}"
	fi
}

src_unpack() {
	unpack ${A}
	cd ${S}
	if [[ -n ${SVN_VER} ]] ; then
		epatch "${WORKDIR}"/${MY_P/.${GCC_P}/}-svn-update-${SVN_VER}.patch
		sed -i -e 's|^SUBLEVEL:=.*|SUBLEVEL:=0|' Rules.mak || die "sed failed"
	fi

	# cleanup
	find ${S} -type f -name "*.orig" -exec rm -f {} \;
	find ${S} -type f -name \.cvsignore -exec rm -f {} \;
	find ${S} -type d -name CVS | xargs rm -rf
	find ${S} -type d -name .svn | xargs rm -rf

	# use same defines as the used gcc version
	if ! [[ $(gcc-major-version) -lt "4" && $(gcc-minor-version) -lt "4" ]] ; then
		find . -type f | xargs sed -i 's:_GLIBCPP_:_GLIBCXX_:g' || die "sed	headers failed"
	fi

	make defconfig || die "defconfig failed"

	local target
	case $(tc-arch) in
		arm)	target="arm";;
		mips)	target="mips";;
		ppc)	target="powerpc";;
		x86)	target="i386";;
		amd64)	target="x86_64";;
		*)		die "$(tc-arch) lists no defaults :/";;
	esac

	# not really needed, the new appended option will overwrite anyway
	sed -i \
		-e '/^UCLIBCXX_RUNTIME_/d' \
		-e '/^TARGET_'${target}'/d' \
		.config

	echo "UCLIBCXX_RUNTIME_PREFIX=\"${GCC_LIB_PATH}\"" >> .config
	echo "UCLIBCXX_RUNTIME_INCLUDE_SUBDIR=\"/include/${GCC_PROFILE_SFX}\"" >> .config
	echo "UCLIBCXX_RUNTIME_LIB_SUBDIR=\"\"" >> .config
	echo "UCLIBCXX_RUNTIME_BIN_SUBDIR=\"\"" >> .config
	echo "TARGET_${target}=y" >> .config
	use debug && echo "DODEBUG=y" >> .config

	if [[ -f ${ROOT}/usr/include/wchar.h ]] ; then
		echo "UCLIBCXX_HAS_WCHAR=y" >> .config
		echo "UCLIBCXX_SUPPORT_WCLOG=n" >> .config
	fi

	# needed for j2sdk/mpeg4ip
	#echo "UCLIBCXX_SUPPORT_CLOG=y" >> .config
	#echo "UCLIBCXX_SUPPORT_WCLOG=y" >> .config

	if [[ "${USE_LIBSUPC}" == "1" ]] ; then
		echo "IMPORT_LIBSUP=n" >> .config
		#echo "IMPORT_LIBGCC_EH=n" >> .config
	fi

	if use elibc_uclibc ; then
		echo "UCLIBCXX_HAS_TLS=n" >> .config
		if ! has $(tc-arch) x86 amd64 ; then
			echo "UCLIBCXX_HAS_LONG_DOUBLE=n" >> .config
		fi
	fi

	#if use static ; then
	#	echo "BUILD_ONLY_STATIC_LIB=y" >> .config
	#fi

	#if hasq test ${FEATURES} ; then
	#	echo dummy
		echo "UCLIBCXX_EXPAND_CONSTRUCTORS_DESTRUCTORS=y" >> .config
	#fi

	yes "" | make oldconfig || die "oldconfig failed"
}

src_compile() {
	#filter-flags -fvisibility-inlines-hidden
	emake -j1 ARCH_CFLAGS="${CXXFLAGS}" CROSS=${CTARGET}- || die "make failed"
}

src_test() {
	# move out non-working tests
	if use elibc_uclibc ; then
		# gcc-3.4.x-4.x
		rm -f tests/maptest.*
		# fgetwc
		rm -f tests/wchartest.*
		# uClibc + LOCALE
		use iconv && rm -f tests/fstreamtest.*
		# gcc-4.1.1 + ssp
		#gcc-specs-ssp && rm -f tests/bitsettest.*
		[[ $(gcc-major-version) -ge 4 ]] && use hardened && rm -f tests/bitsettest.*
	fi
	make test ARCH_CFLAGS="${CXXFLAGS}" CROSS=${CTARGET}- || die "test failed"
}

src_install() {
	make install PREFIX="${D}" || die "install failed"

	dodoc ChangeLog README TODO

	uclibcxx_create_profile
}

uclibcxx_create_profile() {
# should it be enhanced to produce all the possible combinations?
	local GCC_BUILD_PATH=$(env -i gcc-config -B)
	# remove eventual suffix (handles only -uclibcxx)
	local GCC_ORIG_PATH="${GCC_BUILD_PATH/-${GCC_PROFILE_SFX}/}"
	local GCC_PATH="${GCC_ORIG_PATH}-${GCC_PROFILE_SFX}"
	dodir ${GCC_PATH}
	cp -ap ${GCC_ORIG_PATH}/* "${D}"/${GCC_PATH}/
	local x
	for x in cpp gccbug gcov ${CTARGET}-gcc ; do
		rm -f "${D}"/${GCC_PATH}/${x}
		ln -s ${GCC_ORIG_PATH}/${x} "${D}"/${GCC_PATH}/${x}
	done
	# replace maybe w/ a soft link
	#for x in c++ g++ ; do
	for x in c++ ; do
		rm -f "${D}"/${GCC_PATH}/${CTARGET}-${x}
		cat "${D}"${GCC_LIB_PATH}/g++-uc | \
			sed -e "s:${CTARGET}-g++:${GCC_ORIG_PATH}/g++:" \
			-e 's://:/:g' > "${D}"/${GCC_PATH}/${CTARGET}-${x}
		chmod +x "${D}"/${GCC_PATH}/${CTARGET}-${x}
	done
	rm -f "${D}"/${GCC_PATH}/${CTARGET}-g++
	dosym c++ ${GCC_PATH}/${CTARGET}-g++

	rm "${D}"${GCC_LIB_PATH}/g++-uc

	dodir /etc/env.d/gcc
	local GCC_BUILD_PROFILE=$(env -i gcc-config -c)
	# remove eventual suffix (handles only -uclibcxx)
	local GCC_PROFILE="/etc/env.d/gcc/${GCC_BUILD_PROFILE/-${GCC_PROFILE_SFX}/}"
	cat ${ROOT}${GCC_PROFILE} | \
		sed -e "s:${GCC_ORIG_PATH}:${GCC_PATH}:" \
			-e "s:^STDCXX_INCDIR=.*:STDCXX_INCDIR=\"${GCC_PROFILE_SFX}\":" \
			> "${D}"${GCC_PROFILE}-${GCC_PROFILE_SFX} || die "failed sed"
}