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# Copyright 1999-2010 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
inherit autotools eutils
DESCRIPTION="Helium (for learning Haskell)"
HOMEPAGE="http://www.cs.uu.nl/helium"
SRC_URI="http://www.cs.uu.nl/helium/distr/${P}-src.tar.gz
mirror://gentoo/${P}-ghc.patch.bz2"
LICENSE="GPL-2"
SLOT="0"
# compilation breaks on amd64, suspect lvm doesn't work properly
KEYWORDS="-amd64 ~x86"
IUSE="readline"
DEPEND=">=dev-lang/ghc-6.8
dev-haskell/mtl
dev-haskell/parsec
readline? ( dev-haskell/readline )"
RDEPEND="dev-libs/gmp
readline? ( sys-libs/readline )"
src_unpack() {
unpack ${A}
epatch "${P}-ghc.patch"
epatch "${FILESDIR}/helium-1.6-respect-cflags-ldflags-nostrip.patch"
# split base only
sed -e 's/^GHCFLAGS =.*$/& -package containers/' \
-i "${S}/helium/src/Makefile.in"
# file has non-ASCII syms and it's pulled to ghc for dependency generaton
# ghc w/UTF-8 dislikes it:
sed -e 's/\xCA//g' \
-i "${S}/helium/src/Makefile.in"
# mangle evil 'rec' to 'rec_'. It's not very accurate, but less,
# than manually patching ~250 occurences. (ghc-6.10+ has rec as reserved word)
local bad_file
for bad_file in Top/src/Top/Types/Unification.hs \
Top/src/Top/Types/Quantification.hs \
Top/src/Top/Types/Primitive.hs \
Top/src/Top/Solver/PartitionCombinator.hs \
Top/src/Top/Repair/Repair.hs \
Top/src/Top/Ordering/Tree.hs \
Top/src/Top/Implementation/TypeGraph/Standard.hs \
Top/src/Top/Implementation/TypeGraph/Path.hs \
Top/src/Top/Implementation/TypeGraph/EquivalenceGroup.hs \
Top/src/Top/Implementation/TypeGraph/Basics.hs \
Top/src/Top/Implementation/TypeGraph/ApplyHeuristics.hs \
lvm/src/lib/lvm/LvmRead.hs \
lvm/src/lib/core/CoreNoShadow.hs \
helium/src/utils/LoggerEnabled.hs \
helium/src/staticanalysis/miscellaneous/TypesToAlignedDocs.hs \
helium/src/staticanalysis/miscellaneous/TypeConversion.hs \
helium/src/staticanalysis/inferencers/TypeInferencing.hs \
helium/src/staticanalysis/heuristics/RepairSystem.hs \
helium/src/staticanalysis/heuristics/RepairHeuristics.hs \
helium/src/staticanalysis/heuristics/ListOfHeuristics.hs \
helium/src/staticanalysis/directives/TS_PatternMatching.ag
do
# take all symbols from exactly this source. This set is not universal,
# but it aims to catch (same) lexeme separators on the left and on the right
sed -e 's/\([^a-zA-Z_0-9"]\|^\)rec\([^a-zA-Z_0-9"]\|$\)/\1rec_\2/g' \
-i "${S}/$bad_file"
done
# cabal is their friend (oneOf became polymorphic and breaks the test)
sed -e 's/Text.ParserCombinators.Parsec/&.Pos/g' \
-e 's/oneOf/newPos/g' \
-i "${S}/helium/configure.in"
cd "${S}/helium"
eautoreconf
}
src_compile() {
# helium consists of two components that have to be set up separately,
# lvm and the main compiler. both build systems are slightly strange.
# lvm uses a completely non-standard build system:
# the ./configure of lvm is not the usual autotools configure
cd "${S}/lvm/src" && ./configure || die "lvm configure failed"
echo "STRIP=echo" >> config/makefile || die "lvm postconfigure failed"
myconf="$(use_enable readline) --without-strip --without-upx --without-ag"
cd "${S}/helium" && econf --prefix="/usr/lib" ${myconf} || die "econf failed"
cd "${S}/helium/src" && make depend || die "make depend failed"
emake -j1 || die "make failed"
}
src_install() {
cd helium/src || die "cannot cd to helium/src"
make install bindir="/usr/lib/helium/bin" DESTDIR="${D}" || die "make install failed"
# create wrappers
newbin "${FILESDIR}/helium-wrapper-${PV}" helium-wrapper
dosym /usr/bin/helium-wrapper /usr/bin/texthint
dosym /usr/bin/helium-wrapper /usr/bin/helium
dosym /usr/bin/helium-wrapper /usr/bin/lvmrun
}
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