# $Header: /magellan-cvs/smage/ghc/ghc-6.6.1-r2.smage2,v 1.3 2008/02/07 14:23:37 niro Exp $

PNAME="ghc"
PVER="6.6.1"
PBUILD="r2"

PCATEGORIE="dev-lang"
STATE="testing"

DESCRIPTION="Glasgow Haskell Compiler."
HOMEPAGE="http://www.haskell.org/ghc/"

DEPEND=">= dev-lang/perl-5.8.8
	>= sys-dev/gcc-4.1
	>= dev-libs/gmp-4.2
	>= sys-libs/readline-5.2"

SRCFILE="${PNAME}-${PVER}-src.tar.bz2"
SRCDIR="${BUILDDIR}/${PNAME}-${PVER}"

# all ghc extralibs, such as quickcheck, mtl, html and co
SRCFILE_EXTRALIBS="${PNAME}-${PVER}-src-extralibs.tar.bz2"

# binary sources
SRCFILE_BIN_x86="${PNAME}-${PVER}-i386-unknown-linux.tar.bz2"
SRCFILE_BIN_x86_64="${PNAME}-${PVER}-x86_64-unknown-linux.tar.bz2"
SRCFILE_BIN="$(eval echo \$SRCFILE_BIN_${ARCH/i*86/x86})"
SRCDIR_BIN="${BUILDDIR}/binary/${PNAME}-${PVER}"

READLINE_SRCFILE="readline-4.3.tar.gz"
READLINE_SRCDIR="${BUILDDIR}/readline-4.3"

SRC_URI=(
	http://www.haskell.org/ghc/dist/${PVER}/${SRCFILE}
	http://www.haskell.org/ghc/dist/${PVER}/${SRCFILE_EXTRALIBS}
	http://www.haskell.org/ghc/dist/${PVER}/${SRCFILE_BIN_x86}
	http://www.haskell.org/ghc/dist/${PVER}/${SRCFILE_BIN_x86_64}
	gnu://readline/${READLINE_SRCFILE}
	gnu://readline/readline-4.3-patches/readline43-001
	gnu://readline/readline-4.3-patches/readline43-002
	gnu://readline/readline-4.3-patches/readline43-003
	gnu://readline/readline-4.3-patches/readline43-004
	gnu://readline/readline-4.3-patches/readline43-005
	mirror://${PNAME}/${SRCFILE}
	mirror://${PNAME}/${SRCFILE_BIN_x86}
	mirror://${PNAME}/${SRCFILE_BIN_x86_64}
	mirror://${PNAME}/${READLINE_SRCFILE}
	mirror://${PNAME}/readline43-001
	mirror://${PNAME}/readline43-002
	mirror://${PNAME}/readline43-003
	mirror://${PNAME}/readline43-004
	mirror://${PNAME}/readline43-005
)

src_prepare()
{
	munpack ${SRCFILE} || die
	munpack ${SRCFILE_EXTRALIBS} || die

	install -d ${BUILDDIR}/binary || die
	munpack ${SRCFILE_BIN} ${BUILDDIR}/binary || die

	munpack ${READLINE_SRCFILE} || die
	cd ${READLINE_SRCDIR}

	mpatch readline43-001 || die
	mpatch readline43-002 || die
	mpatch readline43-003 || die
	mpatch readline43-004 || die
	mpatch readline43-005 || die
}

src_compile()
{
	# build a runtime compat readline lib
	cd ${READLINE_SRCDIR}
	mconfigure || die
	mmake SHLIB_XLDFLAGS=-lncurses || die
	# set it up
	ln -snf libreadline.so.4.3 ${READLINE_SRCDIR}/shlib/libreadline.so.4 || die
	export LD_LIBRARY_PATH="${LD_LIBRARY_PATH}:${READLINE_SRCDIR}/shlib"

	# first setup the binary compiler to bootstrap ghc
	cd ${SRCDIR_BIN}
	mconfigure || die
	make in-place || die

	# setup the path to ghc
	local myarch="${ARCH}"
	[[ ${ARCH} = i*86 ]] && myarch="i386"
	export PATH="${PATH}:${SRCDIR_BIN}/bin/${myarch}-unknown-linux"

	# now bootstrap ghc
	cd ${SRCDIR}

	# disable the build of docs
	echo NO_HADDOCK_DOCS=YES > mk/build.mk || die
	echo XMLDocWays="" >> mk/build.mk || die

	# from gentoo:
	# force the config variable ArSupportsInput to be unset;
	# ar in binutils >= 2.14.90.0.8-r1 seems to be classified
	# incorrectly by the configure script
	echo "ArSupportsInput:=" >> mk/build.mk || die

	# no x11 and co needed
	mconfigure \
		--disable-x11 \
		--disable-hgl \
		--disable-opengl \
		--disable-glut \
		--disable-openal \
		|| die

	# the explicit datadir is required to make the haddock entries
	# in the package.conf file point to the right place ...
	mmake -j1 all datadir="/usr/share/doc/${PNAME}-${PVER}" || die
}

src_install()
{
	cd ${SRCDIR}

	make prefix="${BINDIR}/usr" \
		datadir="${BINDIR}/usr/share/doc/${PNAME}-${PVER}" \
		infodir="${BINDIR}/usr/share/info" \
		mandir="${BINDIR}/usr/share/man" \
		install || die

	# remove ${BINDIR} from ghcprof
	sed -i 's:$FPTOOLS_TOP_ABS:#$FPTOOLS_TOP_ABS:' ${BINDIR}/usr/bin/ghcprof || die

	minstalldocs ANNOUNCE HACKING LICENSE README VERSION || die
}