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# Copyright 1999-2005 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/dev-lang/ghc/ghc-6.2.2.ebuild,v 1.17 2005/09/01 14:53:36 gustavoz 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 ghc-package
IUSE="doc tetex opengl"
DESCRIPTION="The Glasgow Haskell Compiler"
HOMEPAGE="http://www.haskell.org/ghc/"
SRC_URI="http://www.haskell.org/ghc/dist/${PV}/ghc-${PV}-src.tar.bz2"
LICENSE="as-is"
SLOT="0"
# removed amd64, because there's no binary to bootstrap from
KEYWORDS="x86 ppc -alpha -amd64 sparc"
PROVIDE="virtual/ghc"
# FIXME: Add USE support for parallel haskell (requires PVM)
# Get PVM from ftp://ftp.netlib.org/pvm3/
DEPEND="<virtual/ghc-6.3
>=dev-lang/perl-5.6.1
>=sys-devel/gcc-2.95.3
>=sys-devel/make-3.79.1
>=sys-apps/sed-3.02.80
>=sys-devel/flex-2.5.4a
>=dev-libs/gmp-4.1
>=sys-libs/readline-4.2
doc? ( >=app-text/openjade-1.3.1
>=app-text/sgml-common-0.6.3
~app-text/docbook-sgml-dtd-3.1
>=app-text/docbook-dsssl-stylesheets-1.64
>=dev-haskell/haddock-0.6-r2
tetex? ( virtual/tetex
>=app-text/jadetex-3.12 ) )
opengl? ( virtual/opengl
virtual/glu
virtual/glut )"
RDEPEND="virtual/libc
>=sys-devel/gcc-2.95.3
>=dev-lang/perl-5.6.1
>=dev-libs/gmp-4.1
>=sys-libs/readline-4.2
opengl? ( virtual/opengl virtual/glu virtual/glut )"
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"
}
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
# hardened-gcc needs to be disabled, because the
# mangler doesn't accept its output; yes, the 6.2 version
# should do ...
cd ${S}/ghc
pushd 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
popd
}
src_compile() {
local myconf
if use opengl; then
myconf="--enable-hopengl"
fi
# 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
# 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 ppc || use amd64 || use sparc && echo "SplitObjs=NO" >> mk/build.mk
use amd64 && echo "GhcUnregisterised=YES" >> mk/build.mk
use amd64 || use sparc && echo "GhcWithInterpreter=NO" >> mk/build.mk
# unset SGML_CATALOG_FILES because documentation installation
# breaks otherwise ...
# (--enable-threaded-rts is no longer needed)
SGML_CATALOG_FILES="" econf \
${myconf} || die "econf failed"
# the build does not seem to work all that
# well with parallel make
emake -j1 || die "make failed"
# if documentation has been requested, build documentation ...
if use doc; then
emake -j1 html || die "make html failed"
if use tetex; then
emake -j1 ps || die "make ps failed"
fi
fi
}
src_install () {
local mydoc
local insttarget
insttarget="install"
# determine what to do with documentation
if use doc; then
mydoc="html"
insttarget="${insttarget} install-docs"
if use tetex; then
mydoc="${mydoc} ps"
fi
else
mydoc=""
# needed to prevent haddock from being called
echo NO_HADDOCK_DOCS=YES >> mk/build.mk
fi
echo SGMLDocWays="${mydoc}" >> mk/build.mk
# 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 () {
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 "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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