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# Copyright 1999-2012 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/dev-lang/ghc/ghc-6.12.3.ebuild,v 1.23 2012/04/13 19:01:18 slyfox Exp $
# Brief explanation of the bootstrap logic:
#
# Previous ghc ebuilds have been split into two: ghc and ghc-bin,
# where ghc-bin was primarily used for bootstrapping purposes.
# From now on, these two ebuilds have been combined, with the
# binary USE flag used to determine whether or not the pre-built
# binary package should be emerged or whether ghc should be compiled
# from source. If the latter, then the relevant ghc-bin for the
# arch in question will be used in the working directory to compile
# ghc from source.
#
# This solution has the advantage of allowing us to retain the one
# ebuild for both packages, and thus phase out virtual/ghc.
# Note to users of hardened gcc-3.x:
#
# If you emerge ghc with hardened gcc it should work fine (because we
# turn off the hardened features that would otherwise break ghc).
# However, emerging ghc while using a vanilla gcc and then switching to
# hardened gcc (using gcc-config) will leave you with a broken ghc. To
# fix it you would need to either switch back to vanilla gcc or re-emerge
# ghc (or ghc-bin). Note that also if you are using hardened gcc-3.x and
# you switch to gcc-4.x that this will also break ghc and you'll need to
# re-emerge ghc (or ghc-bin). People using vanilla gcc can switch between
# gcc-3.x and 4.x with no problems.
inherit base autotools bash-completion eutils flag-o-matic multilib toolchain-funcs ghc-package versionator pax-utils
DESCRIPTION="The Glasgow Haskell Compiler"
HOMEPAGE="http://www.haskell.org/ghc/"
arch_binaries=""
arch_binaries="$arch_binaries alpha? ( http://code.haskell.org/~slyfox/ghc-alpha/ghc-bin-${PV}-alpha-haddock.tbz2 )"
arch_binaries="$arch_binaries x86? ( mirror://gentoo/ghc-bin-${PV}-x86.tbz2 )"
arch_binaries="$arch_binaries amd64? ( mirror://gentoo/ghc-bin-${PV}-amd64.tbz2 )"
arch_binaries="$arch_binaries ia64? ( http://code.haskell.org/~slyfox/ghc-ia64/ghc-bin-${PV}-ia64-haddock.tbz2 )"
arch_binaries="$arch_binaries sparc? ( http://code.haskell.org/~slyfox/ghc-sparc/ghc-bin-${PV}-sparc.tbz2 )"
arch_binaries="$arch_binaries ppc64? ( mirror://gentoo/ghc-bin-${PV}-ppc64.tbz2 )"
arch_binaries="$arch_binaries ppc? ( mirror://gentoo/ghc-bin-${PV}-ppc.tbz2 )"
# various ports:
arch_binaries="$arch_binaries x86-fbsd? ( http://code.haskell.org/~slyfox/ghc-x86-fbsd/ghc-bin-${PV}-x86-fbsd.tbz2 )"
SRC_URI="!binary? ( http://darcs.haskell.org/download/dist/${PV}/${P}-src.tar.bz2 )
!ghcbootstrap? ( $arch_binaries )"
LICENSE="BSD"
SLOT="0"
KEYWORDS="alpha amd64 ia64 ppc ppc64 sparc x86 ~x86-fbsd"
IUSE="binary doc ghcbootstrap"
RDEPEND="
!dev-lang/ghc-bin
>=sys-devel/gcc-2.95.3
>=sys-devel/binutils-2.17
>=dev-lang/perl-5.6.1
>=dev-libs/gmp-4.1
!<dev-haskell/haddock-2.4.2"
# earlier versions than 2.4.2 of haddock only works with older ghc releases
DEPEND="${RDEPEND}
ghcbootstrap? ( doc? ( ~app-text/docbook-xml-dtd-4.2
app-text/docbook-xsl-stylesheets
>=dev-libs/libxslt-1.1.2 ) )"
# In the ghcbootstrap case we rely on the developer having
# >=ghc-5.04.3 on their $PATH already
PDEPEND="!ghcbootstrap? ( =app-admin/haskell-updater-1.1* )"
# use undocumented feature STRIP_MASK to fix this issue:
# http://hackage.haskell.org/trac/ghc/ticket/3580
STRIP_MASK="*/HSffi.o"
append-ghc-cflags() {
local flag compile assemble link
for flag in $*; do
case ${flag} in
compile) compile="yes";;
assemble) assemble="yes";;
link) link="yes";;
*)
[[ ${compile} ]] && GHC_CFLAGS="${GHC_CFLAGS} -optc${flag}"
[[ ${assemble} ]] && GHC_CFLAGS="${GHC_CFLAGS} -opta${flag}"
[[ ${link} ]] && GHC_CFLAGS="${GHC_CFLAGS} -optl${flag}";;
esac
done
}
ghc_setup_cflags() {
# We need to be very careful with the CFLAGS we ask ghc to pass through to
# gcc. There are plenty of flags which will make gcc produce output that
# breaks ghc in various ways. The main ones we want to pass through are
# -mcpu / -march flags. These are important for arches like alpha & sparc.
# We also use these CFLAGS for building the C parts of ghc, ie the rts.
strip-flags
strip-unsupported-flags
GHC_CFLAGS=""
for flag in ${CFLAGS}; do
case ${flag} in
# Ignore extra optimisation (ghc passes -O to gcc anyway)
# -O2 and above break on too many systems
-O*) ;;
# Arch and ABI flags are what we're really after
-m*) append-ghc-cflags compile assemble ${flag};;
# Debugging flags don't help either. You can't debug Haskell code
# at the C source level and the mangler discards the debug info.
-g*) ;;
# Ignore all other flags, including all -f* flags
esac
done
# hardened-gcc needs to be disabled, because the mangler doesn't accept
# its output.
gcc-specs-pie && append-ghc-cflags compile link -nopie
gcc-specs-ssp && append-ghc-cflags compile -fno-stack-protector
# prevent from failind building unregisterised ghc:
# http://www.mail-archive.com/debian-bugs-dist@lists.debian.org/msg171602.html
use ppc64 && append-ghc-cflags compile -mminimal-toc
# fix the similar issue as ppc64 TOC on ia64. ia64 has limited size of small data
# currently ghc fails to build haddock
# http://osdir.com/ml/gnu.binutils.bugs/2004-10/msg00050.html
use ia64 && append-ghc-cflags compile -G0
}
pkg_setup() {
if use ghcbootstrap; then
ewarn "You requested ghc bootstrapping, this is usually only used"
ewarn "by Gentoo developers to make binary .tbz2 packages for"
ewarn "use with the ghc ebuild's USE=\"binary\" feature."
use binary && \
die "USE=\"ghcbootstrap binary\" is not a valid combination."
[[ -z $(type -P ghc) ]] && \
die "Could not find a ghc to bootstrap with."
fi
}
src_unpack() {
# Create the ${S} dir if we're using the binary version
use binary && mkdir "${S}"
base_src_unpack
source "${FILESDIR}/ghc-apply-gmp-hack" "$(get_libdir)"
ghc_setup_cflags
if ! use ghcbootstrap; then
# Modify the wrapper script from the binary tarball to use GHC_CFLAGS.
# See bug #313635.
sed -i -e "s|\"\$topdir\"|\"\$topdir\" ${GHC_CFLAGS}|" \
"${WORKDIR}/usr/bin/ghc-${PV}"
# allow hardened users use vanilla biary to bootstrap ghc
# ghci uses mmap with rwx protection at it implements dynamic
# linking on it's own (bug #299709)
pax-mark -m "${WORKDIR}/usr/$(get_libdir)/${P}/ghc"
fi
if use binary; then
# Move unpacked files to the expected place
mv "${WORKDIR}/usr" "${S}"
else
if ! use ghcbootstrap; then
# Relocate from /usr to ${WORKDIR}/usr
sed -i -e "s|/usr|${WORKDIR}/usr|g" \
"${WORKDIR}/usr/bin/ghc-${PV}" \
"${WORKDIR}/usr/bin/ghci-${PV}" \
"${WORKDIR}/usr/bin/ghc-pkg-${PV}" \
"${WORKDIR}/usr/bin/hsc2hs" \
"${WORKDIR}/usr/$(get_libdir)/${P}/package.conf.d/"* \
|| die "Relocating ghc from /usr to workdir failed"
# regenerate the binary package cache
"${WORKDIR}/usr/bin/ghc-pkg" recache
fi
sed -i -e "s|\"\$topdir\"|\"\$topdir\" ${GHC_CFLAGS}|" \
"${S}/ghc/ghc.wrapper"
# Since GHC 6.12.2 the GHC wrappers store which GCC version GHC was
# compiled with, by saving the path to it. The purpose is to make sure
# that GHC will use the very same gcc version when it compiles haskell
# sources, as the extra-gcc-opts files contains extra gcc options which
# match only this GCC version.
# However, this is not required in Gentoo, as only modern GCCs are used
# (>4).
# Instead, this causes trouble when for example ccache is used during
# compilation, but we don't want the wrappers to point to ccache.
# Due to the above, we simply remove GCC from the wrappers, which forces
# GHC to use GCC from the users path, like previous GHC versions did.
# Remove path to gcc
sed -i -e '/pgmgcc/d' \
"${S}/rules/shell-wrapper.mk"
# Remove usage of the path to gcc
sed -i -e 's/-pgmc "$pgmgcc"//' \
"${S}/ghc/ghc.wrapper"
cd "${S}" # otherwise epatch will break
epatch "${FILESDIR}/ghc-6.12.1-configure-CHOST.patch"
epatch "${FILESDIR}/ghc-6.12.2-configure-CHOST-part2.patch"
epatch "${FILESDIR}/ghc-6.12.3-configure-CHOST-freebsd.patch"
# -r and --relax are incompatible
epatch "${FILESDIR}/ghc-6.12.3-ia64-fixed-relax.patch"
# prevent from wiping upper address bits used in cache lookup
epatch "${FILESDIR}/ghc-6.12.3-ia64-storage-manager-fix.patch"
# fixes build failure of adjustor code
epatch "${FILESDIR}/ghc-6.12.3-alpha-use-libffi-for-foreign-import-wrapper.patch"
# native adjustor (NA) code is broken: interactive darcs-2.4 coredumps on NA
epatch "${FILESDIR}/ghc-6.12.3-ia64-use-libffi-for-foreign-import-wrapper.patch"
# same with NA on ppc
epatch "${FILESDIR}/ghc-6.12.3-ppc-use-libffi-for-foreign-import-wrapper.patch"
# substitute outdated macros
epatch "${FILESDIR}/ghc-6.12.3-autoconf-2.66-4252.patch"
# export typechecker internals even if ghci is disabled
# http://hackage.haskell.org/trac/ghc/ticket/3558
epatch "${FILESDIR}/ghc-6.12.3-ghciless-haddock-3558.patch"
# This patch unbreaks ghci on GRSEC kernels hardened with
# TPE (Trusted Path Execution) protection.
epatch "${FILESDIR}/ghc-6.12.3-libffi-incorrect-detection-of-selinux.patch"
# as we have changed the build system
eautoreconf
fi
}
src_compile() {
if ! use binary; then
# initialize build.mk
echo '# Gentoo changes' > mk/build.mk
# Put docs into the right place, ie /usr/share/doc/ghc-${PV}
echo "docdir = /usr/share/doc/${P}" >> mk/build.mk
echo "htmldir = /usr/share/doc/${P}" >> mk/build.mk
# We also need to use the GHC_CFLAGS flags when building ghc itself
echo "SRC_HC_OPTS+=${GHC_CFLAGS}" >> mk/build.mk
echo "SRC_CC_OPTS+=${CFLAGS} -Wa,--noexecstack" >> mk/build.mk
# We can't depend on haddock except when bootstrapping when we
# must build docs and include them into the binary .tbz2 package
if use ghcbootstrap && use doc; then
echo "BUILD_DOCBOOK_PDF = NO" >> mk/build.mk
echo "BUILD_DOCBOOK_PS = NO" >> mk/build.mk
echo "BUILD_DOCBOOK_HTML = YES" >> mk/build.mk
echo "HADDOCK_DOCS = YES" >> mk/build.mk
else
echo "BUILD_DOCBOOK_PDF = NO" >> mk/build.mk
echo "BUILD_DOCBOOK_PS = NO" >> mk/build.mk
echo "BUILD_DOCBOOK_HTML = NO" >> mk/build.mk
echo "HADDOCK_DOCS = NO" >> mk/build.mk
fi
sed -e "s|utils/haddock_dist_INSTALL_SHELL_WRAPPER = YES|utils/haddock_dist_INSTALL_SHELL_WRAPPER = NO|" \
-i utils/haddock/ghc.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+=-w" >> mk/build.mk
# some arches do not support ELF parsing for ghci module loading
# PPC64: never worked (should be easy to implement)
# alpha: never worked
if use alpha || use ppc64; then
echo "GhcWithInterpreter=NO" >> mk/build.mk
fi
# we have to tell it to build unregisterised on some arches
# ppc64: EvilMangler currently does not understand some TOCs
# ia64: EvilMangler bitrot
if use alpha || use ia64 || use ppc64; then
echo "GhcUnregisterised=YES" >> mk/build.mk
echo "GhcWithNativeCodeGen=NO" >> mk/build.mk
echo "SplitObjs=NO" >> mk/build.mk
echo "GhcRTSWays := debug" >> mk/build.mk
echo "GhcNotThreaded=YES" >> mk/build.mk
fi
# Have "ld -r --relax" problem with split-objs on sparc:
if use sparc; then
echo "SplitObjs=NO" >> mk/build.mk
fi
# Get ghc from the unpacked binary .tbz2
# except when bootstrapping we just pick ghc up off the path
if ! use ghcbootstrap; then
export PATH="${WORKDIR}/usr/bin:${PATH}"
fi
econf || die "econf failed"
# LC_ALL needs to workaround ghc's ParseCmm failure on some (es) locales
# bug #202212 / http://hackage.haskell.org/trac/ghc/ticket/4207
LC_ALL=C emake -j1 all || die "make failed"
fi # ! use binary
}
src_install() {
if use binary; then
mv "${S}/usr" "${D}"
# Remove the docs if not requested
if ! use doc; then
rm -rf "${D}/usr/share/doc/${P}/*/" \
"${D}/usr/share/doc/${P}/*.html" \
|| die "could not remove docs (P vs PF revision mismatch?)"
fi
else
local insttarget="install"
# We only built docs if we were bootstrapping, otherwise
# we copy them out of the unpacked binary .tbz2
if use doc; then
if ! use ghcbootstrap; then
mkdir -p "${D}/usr/share/doc"
mv "${WORKDIR}/usr/share/doc/${P}" "${D}/usr/share/doc" \
|| die "failed to copy docs"
fi
fi
emake -j1 ${insttarget} \
DESTDIR="${D}" \
|| die "make ${insttarget} failed"
# ghci uses mmap with rwx protection at it implements dynamic
# linking on it's own (bug #299709)
# so mark resulting binary
pax-mark -m "${D}/usr/$(get_libdir)/${P}/ghc"
dodoc "${S}/README" "${S}/ANNOUNCE" "${S}/LICENSE" "${S}/VERSION"
dobashcompletion "${FILESDIR}/ghc-bash-completion"
fi
# path to the package.cache
PKGCACHE="${D}/usr/$(get_libdir)/${P}/package.conf.d/package.cache"
# copy the package.conf, including timestamp, save it so we later can put it
# back before uninstalling, or when upgrading.
cp -p "${PKGCACHE}"{,.shipped} \
|| die "failed to copy package.conf.d/package.cache"
}
pkg_preinst() {
# have we got an earlier version of ghc installed?
if has_version "<${CATEGORY}/${PF}"; then
haskell_updater_warn="1"
fi
}
pkg_postinst() {
ghc-reregister
# path to the package.cache
PKGCACHE="${ROOT}/usr/$(get_libdir)/${P}/package.conf.d/package.cache"
# give the cache a new timestamp, it must be as recent as
# the package.conf.d directory.
touch "${PKGCACHE}"
if [[ "${haskell_updater_warn}" == "1" ]]; then
ewarn
ewarn "\e[1;31m************************************************************************\e[0m"
ewarn
ewarn "You have just upgraded from an older version of GHC."
ewarn "You may have to run"
ewarn " 'haskell-updater --upgrade'"
ewarn "to rebuild all ghc-based Haskell libraries."
ewarn
ewarn "\e[1;31m************************************************************************\e[0m"
ewarn
fi
bash-completion_pkg_postinst
}
pkg_prerm() {
# Be very careful here... Call order when upgrading is (according to PMS):
# * src_install for new package
# * pkg_preinst for new package
# * pkg_postinst for new package
# * pkg_prerm for the package being replaced
# * pkg_postrm for the package being replaced
# so you'll actually be touching the new packages files, not the one you
# uninstall, due to that or installation directory ${P} will be the same for
# both packages.
# Call order for reinstalling is (according to PMS):
# * src_install
# * pkg_preinst
# * pkg_prerm for the package being replaced
# * pkg_postrm for the package being replaced
# * pkg_postinst
# Overwrite the modified package.cache with a copy of the
# original one, so that it will be removed during uninstall.
PKGCACHE="${ROOT}/usr/$(get_libdir)/${P}/package.conf.d/package.cache"
rm -rf "${PKGCACHE}"
cp -p "${PKGCACHE}"{.shipped,}
}