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# Copyright 1999-2006 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/dev-lang/ghc/ghc-6.4.1-r2.ebuild,v 1.1 2006/02/16 00:11:15 araujo Exp $
# Brief explanation of the bootstrap logic:
#
# ghc requires ghc-bin to bootstrap.
# Therefore,
# (1) both ghc-bin and ghc provide virtual/ghc
# (2) virtual/ghc *must* default to ghc-bin
# (3) ghc depends on virtual/ghc
#
# This solution has the advantage that the binary distribution
# can be removed once an forall after the first succesful install
# of ghc.
inherit base flag-o-matic eutils autotools ghc-package check-reqs
IUSE="doc X opengl openal"
#java use flag disabled because of bug #106992
DESCRIPTION="The Glasgow Haskell Compiler"
HOMEPAGE="http://www.haskell.org/ghc/"
# discover if this is a snapshot release
IS_SNAPSHOT="${PV%%*pre*}" # zero if snapshot
MY_PV="${PV/_pre/.}"
MY_P="${PN}-${MY_PV}"
EXTRA_SRC_URI="${MY_PV}"
[[ -z "${IS_SNAPSHOT}" ]] && EXTRA_SRC_URI="stable/dist"
SRC_URI="http://www.haskell.org/ghc/dist/${EXTRA_SRC_URI}/${MY_P}-src.tar.bz2"
LICENSE="as-is"
SLOT="0"
# re-add ~ppc64 once dependencies are fulfilled
KEYWORDS="~alpha ~amd64 ~x86 ~sparc ~ppc"
S="${WORKDIR}/${MY_P}"
PROVIDE="virtual/ghc"
RDEPEND="
>=sys-devel/gcc-2.95.3
>=dev-lang/perl-5.6.1
>=dev-libs/gmp-4.1
>=sys-libs/readline-4.2
X? ( || ( x11-libs/libX11 virtual/x11 ) )
opengl? ( virtual/opengl virtual/glu virtual/glut )
openal? ( media-libs/openal )"
# ghc cannot usually be bootstrapped using later versions ...
DEPEND="${RDEPEND}
<virtual/ghc-6.5
!>=virtual/ghc-6.6
doc? ( ~app-text/docbook-xml-dtd-4.2
app-text/docbook-xsl-stylesheets
>=dev-libs/libxslt-1.1.2
>=dev-haskell/haddock-0.6-r2 )"
# removed: java? ( >=dev-java/fop-0.20.5 )
PDEPEND=">=dev-haskell/cabal-1.1.3"
SUPPORTED_CFLAGS=""
# Setup supported CFLAGS.
check_cflags() {
OLD_CFLAGS="${CFLAGS}"
CFLAGS="$1"
strip-unsupported-flags
SUPPORTED_CFLAGS="${SUPPORTED_CFLAGS} ${CFLAGS}"
CFLAGS="${OLD_CFLAGS}"
}
setup_cflags() {
check_cflags "-nopie -fno-stack-protector -fno-stack-protector-all"
}
# Portage's resolution of virtuals fails on virtual/ghc in some Portage releases,
# the following function causes the build to fail with an informative error message
# in such a case.
# pkg_setup() {
# if ! has_version virtual/ghc; then
# eerror "This ebuild needs a version of GHC to bootstrap from."
# eerror "Please emerge dev-lang/ghc-bin to get a binary version."
# eerror "You can either use the binary version directly or emerge"
# eerror "dev-lang/ghc afterwards."
# die "virtual/ghc version required to build"
# fi
# }
src_unpack() {
base_src_unpack
# TODO: test if ppc/ppc64 works without patch now ...
cd ${S}
epatch "${FILESDIR}/${PN}-6.4.1-configure.patch"
epatch "${FILESDIR}/${PN}-6.4.1-openal.patch"
# hardened-gcc needs to be disabled, because the
# mangler doesn't accept its output; yes, the 6.2 version
# should do ...
cd "${S}/ghc/driver"
setup_cflags
epatch "${FILESDIR}/${PN}-6.2.hardened.patch"
sed -i -e "s|@GHC_CFLAGS@|${SUPPORTED_CFLAGS// -/ -optc-}|" ghc/ghc.sh
sed -i -e "s|@GHC_CFLAGS@|${SUPPORTED_CFLAGS// -/ -optc-}|" ghci/ghci.sh
}
src_compile() {
local mydoc
# initialize build.mk
echo '# Gentoo changes' > mk/build.mk
# determine what to do with documentation
if use doc; then
mydoc="html"
# if use java; then
# mydoc="${mydoc} ps"
# fi
else
mydoc=""
# needed to prevent haddock from being called
echo NO_HADDOCK_DOCS=YES >> mk/build.mk
fi
echo XMLDocWays="${mydoc}" >> mk/build.mk
# disable the automatic PIC building which is considered as Prologue Junk by the Haskell Compiler
# thanks to Peter Simons for finding this and giving notice on bugs.gentoo.org
# (this is still necessary, even though we have the patch, because
# we might be bootstrapping from a version that didn't have the
# patch included)
setup_cflags
echo "SRC_CC_OPTS+=${SUPPORTED_CFLAGS}" >> mk/build.mk
echo "SRC_HC_OPTS+=${SUPPORTED_CFLAGS// -/ -optc-}" >> mk/build.mk
# circumvent a very strange bug that seems related with ghc producing too much
# output while being filtered through tee (e.g. due to portage logging)
# reported as bug #111183
echo "SRC_HC_OPTS+=-fno-warn-deprecations" >> mk/build.mk
# 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
# Required for some architectures, because they don't support ghc fully ...
use alpha || use ppc64 && echo "GhcWithInterpreter=NO" >> mk/build.mk
use alpha && echo "GhcUnregisterised=YES" >> mk/build.mk
# The SplitObjs feature doesn't work on several arches and it makes
# 'ar' take loads of RAM:
CHECKREQS_MEMORY="200"
if use alpha || use ppc || use ppc64 || use sparc; then
echo "SplitObjs=NO" >> mk/build.mk
elif ! check_reqs_conditional; then
einfo "Turning off ghc's 'Split Objs' feature because this machine"
einfo "does not have enough RAM for it. This will have the effect"
einfo "of making binaries produced by ghc considerably larger."
echo "SplitObjs=NO" >> mk/build.mk
fi
# we've patched some configure.ac files do allow us to enable/disable the
# X11 and HGL packages, so we need to autoreconf.
eautoreconf
econf \
$(use_enable opengl opengl) \
$(use_enable opengl glut) \
$(use_enable openal openal) \
$(use_enable X x11) \
$(use_enable X hgl) \
|| die "econf failed"
# the build does not seem to work all that
# well with parallel make
emake -j1 all datadir="/usr/share/doc/${PF}" || die "make failed"
# the explicit datadir is required to make the haddock entries
# in the package.conf file point to the right place ...
}
src_install () {
local insttarget
insttarget="install"
use doc && insttarget="${insttarget} install-docs"
# the libdir0 setting is needed for amd64, and does not
# harm for other arches
emake -j1 ${insttarget} \
prefix="${D}/usr" \
datadir="${D}/usr/share/doc/${PF}" \
infodir="${D}/usr/share/info" \
mandir="${D}/usr/share/man" \
libdir0="${D}/usr/$(get_libdir)" \
|| die "make ${insttarget} failed"
#need to remove ${D} from ghcprof script
cd "${D}/usr/bin"
mv ghcprof ghcprof-orig
sed -e 's:$FPTOOLS_TOP_ABS:#$FPTOOLS_TOP_ABS:' ghcprof-orig > ghcprof
chmod a+x ghcprof
rm -f ghcprof-orig
cd "${S}/ghc"
dodoc README ANNOUNCE LICENSE VERSION
dosbin ${FILESDIR}/ghc-updater
}
pkg_postinst () {
ebegin "Unregistering ghc's built-in cabal "
$(ghc-getghcpkg) unregister Cabal > /dev/null
eend $?
ghc-reregister
einfo "If you have dev-lang/ghc-bin installed, you might"
einfo "want to unmerge it. It is no longer needed."
einfo
ewarn "IMPORTANT:"
ewarn "If you upgrade from another ghc version, please run"
ewarn "/usr/sbin/ghc-updater to re-merge all ghc-based"
ewarn "Haskell libraries."
}
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