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# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=7
# to make make a crosscompiler use crossdev and symlink ghc tree into
# cross overlay. result would look like 'cross-sparc-unknown-linux-gnu/ghc'
export CBUILD=${CBUILD:-${CHOST}}
export CTARGET=${CTARGET:-${CHOST}}
if [[ ${CTARGET} = ${CHOST} ]] ; then
if [[ ${CATEGORY/cross-} != ${CATEGORY} ]] ; then
export CTARGET=${CATEGORY/cross-}
fi
fi
inherit autotools bash-completion-r1 eutils flag-o-matic ghc-package
inherit multilib multiprocessing pax-utils toolchain-funcs prefix
inherit check-reqs
DESCRIPTION="The Glasgow Haskell Compiler"
HOMEPAGE="https://www.haskell.org/ghc/"
# we don't have any binaries yet
arch_binaries=""
BIN_PV=${PV}
# sorted!
#arch_binaries="$arch_binaries alpha? ( https://slyfox.uni.cx/~slyfox/distfiles/ghc-bin-${PV}-alpha.tbz2 )"
#arch_binaries="$arch_binaries arm? ( https://slyfox.uni.cx/~slyfox/distfiles/ghc-bin-${PV}-armv7a-hardfloat-linux-gnueabi.tbz2 )"
#arch_binaries="$arch_binaries arm64? ( https://slyfox.uni.cx/~slyfox/distfiles/ghc-bin-${PV}-aarch64-unknown-linux-gnu.tbz2 )"
arch_binaries="$arch_binaries amd64? ( https://slyfox.uni.cx/~slyfox/distfiles/ghc-bin-${PV}-x86_64-pc-linux-gnu.tbz2 )"
#arch_binaries="$arch_binaries ia64? ( https://slyfox.uni.cx/~slyfox/distfiles/ghc-bin-${PV}-ia64-fixed-fiw.tbz2 )"
#arch_binaries="$arch_binaries ppc? ( https://slyfox.uni.cx/~slyfox/distfiles/ghc-bin-${PV}-ppc.tbz2 )"
#arch_binaries="$arch_binaries ppc64? ( https://slyfox.uni.cx/~slyfox/distfiles/ghc-bin-${PV}-ppc64.tbz2 )"
#arch_binaries="$arch_binaries ppc64? ( !big-endian? ( https://slyfox.uni.cx/~slyfox/distfiles/ghc-bin-${PV}-powerpc64le-unknown-linux-gnu.tbz2 ) )"
#arch_binaries="$arch_binaries sparc? ( https://slyfox.uni.cx/~slyfox/distfiles/ghc-bin-${PV}-sparc.tbz2 )"
arch_binaries="$arch_binaries x86? ( https://slyfox.uni.cx/~slyfox/distfiles/ghc-bin-${PV}-i686-pc-linux-gnu.tbz2 )"
# various ports:
#arch_binaries="$arch_binaries x86-fbsd? ( https://slyfox.uni.cx/~slyfox/distfiles/ghc-bin-${PV}-x86-fbsd.tbz2 )"
# 0 - yet
yet_binary() {
case "${ARCH}" in
#alpha) return 0 ;;
#arm64) return 0 ;;
#arm) return 0 ;;
amd64) return 0 ;;
#ia64) return 0 ;;
#ppc) return 0 ;;
#ppc64)
# use big-endian && return 0
# return 0
# ;;
#sparc) return 0 ;;
x86) return 0 ;;
*) return 1 ;;
esac
}
GHC_PV=${PV}
#GHC_PV=8.10.0.20200123 # uncomment only for -alpha, -beta, -rc ebuilds
GHC_P=${PN}-${GHC_PV} # using ${P} is almost never correct
SRC_URI="!binary? (
https://downloads.haskell.org/ghc/${PV/_/-}/${GHC_P}-src.tar.xz
test? ( https://downloads.haskell.org/ghc/${PV/_/-}/${GHC_P}-testsuite.tar.xz )
)"
S="${WORKDIR}"/${GHC_P}
[[ -n $arch_binaries ]] && SRC_URI+=" !ghcbootstrap? ( $arch_binaries )"
BUMP_LIBRARIES=(
# "hackage-name hackage-version"
)
LICENSE="BSD"
SLOT="0/${PV}"
KEYWORDS=""
IUSE="big-endian doc elfutils ghcbootstrap ghcmakebinary +gmp numa profile test"
IUSE+=" binary"
RESTRICT="!test? ( test )"
RDEPEND="
>=dev-lang/perl-5.6.1
dev-libs/gmp:0=
sys-libs/ncurses:0=[unicode]
elfutils? ( dev-libs/elfutils )
!ghcmakebinary? ( dev-libs/libffi:= )
numa? ( sys-process/numactl )
"
# This set of dependencies is needed to run
# prebuilt ghc. We specifically avoid ncurses
# dependency with:
# utils/ghc-pkg_HC_OPTS += -DBOOTSTRAPPING
PREBUILT_BINARY_DEPENDS="
!prefix? ( elibc_glibc? ( >=sys-libs/glibc-2.17 ) )
"
# This set of dependencies is needed to install
# ghc[binary] in system. terminfo package is linked
# against ncurses.
PREBUILT_BINARY_RDEPENDS="${PREBUILT_BINARY_DEPENDS}
sys-libs/ncurses:0/6
"
RDEPEND+="binary? ( ${PREBUILT_BINARY_RDEPENDS} )"
DEPEND="${RDEPEND}
doc? ( app-text/docbook-xml-dtd:4.2
app-text/docbook-xml-dtd:4.5
app-text/docbook-xsl-stylesheets
dev-python/sphinx
>=dev-libs/libxslt-1.1.2 )
!ghcbootstrap? ( ${PREBUILT_BINARY_DEPENDS} )"
# we build binaries without profiling support
REQUIRED_USE="
?? ( ghcbootstrap binary )
?? ( profile binary )
"
# haskell libraries built with cabal in configure mode, #515354
QA_CONFIGURE_OPTIONS+=" --with-compiler --with-gcc"
is_crosscompile() {
[[ ${CHOST} != ${CTARGET} ]]
}
is_native() {
[[ ${CHOST} == ${CBUILD} ]] && [[ ${CHOST} == ${CTARGET} ]]
}
if ! is_crosscompile; then
PDEPEND="!ghcbootstrap? ( >=app-admin/haskell-updater-1.2 )"
fi
# returns tool prefix for crosscompiler.
# Example:
# CTARGET=armv7a-unknown-linux-gnueabi
# CHOST=x86_64-pc-linux-gnu
# "armv7a-unknown-linux-gnueabi-"
# CTARGET=${CHOST}
# ""
# Used in tools and library prefix:
# "${ED}"/usr/bin/$(cross)haddock
# "${ED}/usr/$(get_libdir)/$(cross)${GHC_P}/package.conf.d"
cross() {
if is_crosscompile; then
echo "${CTARGET}-"
else
echo ""
fi
}
append-ghc-cflags() {
local persistent compile assemble link
local flag ghcflag
for flag in $*; do
case ${flag} in
persistent) persistent="yes";;
compile) compile="yes";;
assemble) assemble="yes";;
link) link="yes";;
*)
[[ ${compile} ]] && ghcflag="-optc${flag}" CFLAGS+=" ${flag}" && GHC_FLAGS+=" ${ghcflag}" &&
[[ ${persistent} ]] && GHC_PERSISTENT_FLAGS+=" ${ghcflag}"
[[ ${assemble} ]] && ghcflag="-opta${flag}" CFLAGS+=" ${flag}" && GHC_FLAGS+=" ${ghcflag}" &&
[[ ${persistent} ]] && GHC_PERSISTENT_FLAGS+=" ${ghcflag}"
[[ ${link} ]] && ghcflag="-optl${flag}" LDFLAGS+=" ${flag}" && GHC_FLAGS+=" ${ghcflag}" &&
[[ ${persistent} ]] && GHC_PERSISTENT_FLAGS+=" ${ghcflag}"
;;
esac
done
}
# $1 - lib name (under libraries/)
# $2 - lib version
# example: bump_lib "transformers" "0.4.2.0"
bump_lib() {
local pn=$1 pv=$2
local p=${pn}-${pv}
local f
einfo "Bumping ${pn} up to ${pv}"
for f in ghc.mk GNUmakefile; do
mv libraries/"${pn}"/$f "${WORKDIR}"/"${p}"/$f || die
done
mv libraries/"${pn}" "${WORKDIR}"/"${pn}".old || die
mv "${WORKDIR}"/"${p}" libraries/"${pn}" || die
}
update_SRC_URI() {
local p pn pv
for p in "${BUMP_LIBRARIES[@]}"; do
set -- $p
pn=$1 pv=$2
SRC_URI+=" https://hackage.haskell.org/package/${pn}-${pv}/${pn}-${pv}.tar.gz"
done
}
update_SRC_URI
bump_libs() {
local p pn pv
for p in "${BUMP_LIBRARIES[@]}"; do
set -- $p
pn=$1 pv=$2
bump_lib "${pn}" "${pv}"
done
}
ghc_setup_cflags() {
# TODO: plumb CFLAGS and BUILD_CFLAGS to respective CONF_CC_OPTS_STAGE<N>
if ! is_native; then
export CFLAGS=${GHC_CFLAGS-"-O2 -pipe"}
export LDFLAGS=${GHC_LDFLAGS-"-Wl,-O1"}
einfo "Crosscompiling mode:"
einfo " CHOST: ${CHOST}"
einfo " CTARGET: ${CTARGET}"
einfo " CFLAGS: ${CFLAGS}"
einfo " LDFLAGS: ${LDFLAGS}"
einfo " prefix: $(cross)"
return
fi
# 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
# Cmm can't parse line numbers #482086
replace-flags -ggdb[3-9] -ggdb2
GHC_FLAGS=""
GHC_PERSISTENT_FLAGS=""
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};;
# Sometimes it's handy to see backtrace of RTS
# to get an idea what happens there
-g*) append-ghc-cflags compile ${flag};;
# Ignore all other flags, including all -f* flags
esac
done
for flag in ${LDFLAGS}; do
append-ghc-cflags link ${flag}
done
# GHC uses ${CBUILD}-gcc, ${CHOST}-gcc and ${CTARGET}-gcc at a single build.
# Skip any gentoo-specific tweaks for cross-case to avoid passing unsupported
# options to gcc.
if is_native; then
# prevent from failing to build unregisterised ghc:
# https://www.mail-archive.com/debian-bugs-dist@lists.debian.org/msg171602.html
use ppc64 && append-ghc-cflags persistent compile -mminimal-toc
fi
}
# substitutes string $1 to $2 in files $3 $4 ...
relocate_path() {
local from=$1
local to=$2
shift 2
local file=
for file in "$@"
do
sed -i -e "s|$from|$to|g" \
"$file" || die "path relocation failed for '$file'"
done
}
# changes hardcoded ghc paths and updates package index
# $1 - new absolute root path
relocate_ghc() {
local to=$1 ghc_v=${BIN_PV}
# libdir for prebuilt binary and for current system may mismatch
# It does for prefix installation for example: bug #476998
local bin_ghc_prefix=${WORKDIR}/usr
local bin_libpath=$(echo "${bin_ghc_prefix}"/lib*)
local bin_libdir=${bin_libpath#${bin_ghc_prefix}/}
# backup original script to use it later after relocation
local gp_back="${T}/ghc-pkg-${ghc_v}-orig"
cp "${WORKDIR}/usr/bin/ghc-pkg-${ghc_v}" "$gp_back" || die "unable to backup ghc-pkg wrapper"
if [[ ${bin_libdir} != $(get_libdir) ]]; then
einfo "Relocating '${bin_libdir}' to '$(get_libdir)' (bug #476998)"
# moving the dir itself is not strictly needed
# but then USE=binary would result in installing
# in '${bin_libdir}'
mv "${bin_ghc_prefix}/${bin_libdir}" "${bin_ghc_prefix}/$(get_libdir)" || die
relocate_path "/usr/${bin_libdir}" "/usr/$(get_libdir)" \
"${WORKDIR}/usr/bin/ghc-${ghc_v}" \
"${WORKDIR}/usr/bin/ghci-${ghc_v}" \
"${WORKDIR}/usr/bin/ghc-pkg-${ghc_v}" \
"${WORKDIR}/usr/bin/hsc2hs" \
"${WORKDIR}/usr/bin/runghc-${ghc_v}" \
"$gp_back" \
"${WORKDIR}/usr/$(get_libdir)/${PN}-${ghc_v}/package.conf.d/"*
fi
# Relocate from /usr to ${EPREFIX}/usr
relocate_path "/usr" "${to}/usr" \
"${WORKDIR}/usr/bin/ghc-${ghc_v}" \
"${WORKDIR}/usr/bin/ghci-${ghc_v}" \
"${WORKDIR}/usr/bin/ghc-pkg-${ghc_v}" \
"${WORKDIR}/usr/bin/haddock-ghc-${ghc_v}" \
"${WORKDIR}/usr/bin/hp2ps" \
"${WORKDIR}/usr/bin/hpc" \
"${WORKDIR}/usr/bin/hsc2hs" \
"${WORKDIR}/usr/bin/runghc-${ghc_v}" \
"${WORKDIR}/usr/$(get_libdir)/${PN}-${ghc_v}/package.conf.d/"*
# this one we will use to regenerate cache
# so it should point to current tree location
relocate_path "/usr" "${WORKDIR}/usr" "$gp_back"
if use prefix; then
hprefixify "${bin_libpath}"/${PN}*/settings
fi
# regenerate the binary package cache
"$gp_back" recache || die "failed to update cache after relocation"
rm "$gp_back"
}
ghc-check-reqs() {
# These are pessimistic values (slightly bigger than worst-case)
# Worst case is UNREG USE=profile ia64. See bug #611866 for some
# numbers on various arches.
CHECKREQS_DISK_BUILD=8G
CHECKREQS_DISK_USR=2G
# USE=binary roughly takes
use binary && CHECKREQS_DISK_BUILD=4G
"$@"
}
pkg_pretend() {
ghc-check-reqs check-reqs_pkg_pretend
}
pkg_setup() {
ghc-check-reqs check-reqs_pkg_setup
# quiet portage about prebuilt binaries
use binary && QA_PREBUILT="*"
[[ ${MERGE_TYPE} == binary ]] && return
if use ghcbootstrap; then
ewarn "You requested ghc bootstrapping, this is usually only used"
ewarn "by Gentoo developers to make binary .tbz2 packages."
[[ -z $(type -P ghc) ]] && \
die "Could not find a ghc to bootstrap with."
else
if ! yet_binary; then
eerror "Please try emerging with USE=ghcbootstrap and report build"
eerror "sucess or failure to the haskell team (haskell@gentoo.org)"
die "No binary available for '${ARCH}' arch yet, USE=ghcbootstrap"
fi
fi
}
src_unpack() {
# Create the ${S} dir if we're using the binary version
use binary && mkdir "${S}"
# the Solaris and Darwin binaries from ghc (maeder) need to be
# unpacked separately, so prevent them from being unpacked
local ONLYA=${A}
case ${CHOST} in
*-darwin* | *-solaris*) ONLYA=${GHC_P}-src.tar.xz ;;
esac
unpack ${ONLYA}
}
src_prepare() {
ghc_setup_cflags
if ! use ghcbootstrap && [[ ${CHOST} != *-darwin* && ${CHOST} != *-solaris* ]]; then
# Modify the wrapper script from the binary tarball to use GHC_PERSISTENT_FLAGS.
# See bug #313635.
sed -i -e "s|\"\$topdir\"|\"\$topdir\" ${GHC_PERSISTENT_FLAGS}|" \
"${WORKDIR}/usr/bin/ghc-${BIN_PV}"
# allow hardened users use vanilla binary to bootstrap ghc
# ghci uses mmap with rwx protection at it implements dynamic
# linking on it's own (bug #299709)
pax-mark -m "${WORKDIR}/usr/$(get_libdir)/${PN}-${BIN_PV}/bin/ghc"
fi
if use binary; then
if use prefix; then
relocate_ghc "${EPREFIX}"
fi
# Move unpacked files to the expected place
mv "${WORKDIR}/usr" "${S}"
eapply_user
else
if ! use ghcbootstrap; then
case ${CHOST} in
*-darwin* | *-solaris*)
# UPDATE ME for ghc-7
mkdir "${WORKDIR}"/ghc-bin-installer || die
pushd "${WORKDIR}"/ghc-bin-installer > /dev/null || die
use sparc-solaris && unpack ghc-6.10.4-sparc-sun-solaris2.tar.bz2
use x86-solaris && unpack ghc-7.0.3-i386-unknown-solaris2.tar.bz2
use x86-macos && unpack ghc-7.4.1-i386-apple-darwin.tar.bz2
use x64-macos && unpack ghc-7.4.1-x86_64-apple-darwin.tar.bz2
popd > /dev/null
pushd "${WORKDIR}"/ghc-bin-installer/ghc-[67].?*.? > /dev/null || die
# fix the binaries so they run, on Solaris we need an
# LD_LIBRARY_PATH which has our prefix libdirs, on
# Darwin we need to replace the frameworks with our libs
# from the prefix fix before installation, because some
# of the tools are actually used during configure/make
if [[ ${CHOST} == *-solaris* ]] ; then
export LD_LIBRARY_PATH="${EPREFIX}/$(get_libdir):${EPREFIX}/usr/$(get_libdir):${LD_LIBRARY_PATH}"
elif [[ ${CHOST} == *-darwin* ]] ; then
local readline_framework=GNUreadline.framework/GNUreadline
local gmp_framework=/opt/local/lib/libgmp.10.dylib
local ncurses_file=/opt/local/lib/libncurses.5.dylib
for binary in $(scanmacho -BRE MH_EXECUTE -F '%F' .) ; do
install_name_tool -change \
${readline_framework} \
"${EPREFIX}"/lib/libreadline.dylib \
${binary} || die
install_name_tool -change \
${gmp_framework} \
"${EPREFIX}"/usr/lib/libgmp.dylib \
${binary} || die
install_name_tool -change \
${ncurses_file} \
"${EPREFIX}"/usr/lib/libncurses.dylib \
${binary} || die
done
# we don't do frameworks!
sed -i \
-e 's/\(frameworks = \)\["GMP"\]/\1[]/g' \
-e 's/\(extraLibraries = \)\["m"\]/\1["m","gmp"]/g' \
rts/package.conf.in || die
fi
# it is autoconf, but we really don't want to give it too
# many arguments, in fact we do the make in-place anyway
./configure --prefix="${WORKDIR}"/usr || die
make install || die
popd > /dev/null
;;
*)
relocate_ghc "${WORKDIR}"
;;
esac
fi
sed -i -e "s|\"\$topdir\"|\"\$topdir\" ${GHC_PERSISTENT_FLAGS}|" \
"${S}/ghc/ghc.wrapper"
cd "${S}" # otherwise eapply will break
eapply "${FILESDIR}"/${PN}-7.0.4-CHOST-prefix.patch
eapply "${FILESDIR}"/${PN}-8.2.1-darwin.patch
eapply "${FILESDIR}"/${PN}-7.8.3-prim-lm.patch
eapply "${FILESDIR}"/${PN}-8.8.1-revert-CPP.patch
eapply "${FILESDIR}"/${PN}-8.10.1-no-relax-everywhere.patch
eapply "${FILESDIR}"/${PN}-8.10.1-allow-cross-bootstrap.patch
# a bunch of crosscompiler patches
# needs newer version:
#eapply "${FILESDIR}"/${PN}-8.2.1_rc1-hp2ps-cross.patch
# mingw32 target
pushd "${S}/libraries/Win32"
eapply "${FILESDIR}"/${PN}-8.2.1_rc1-win32-cross-2-hack.patch # bad workaround
popd
bump_libs
eapply_user
# as we have changed the build system
eautoreconf
fi
}
src_configure() {
if ! use binary; then
# initialize build.mk
echo '# Gentoo changes' > mk/build.mk
# Put docs into the right place, ie /usr/share/doc/ghc-${GHC_PV}
echo "docdir = ${EPREFIX}/usr/share/doc/$(cross)${P}" >> mk/build.mk
echo "htmldir = ${EPREFIX}/usr/share/doc/$(cross)${P}" >> mk/build.mk
# We also need to use the GHC_FLAGS flags when building ghc itself
echo "SRC_HC_OPTS+=${HCFLAGS} ${GHC_FLAGS}" >> mk/build.mk
echo "SRC_CC_OPTS+=${CFLAGS}" >> mk/build.mk
echo "SRC_LD_OPTS+=${LDFLAGS}" >> mk/build.mk
# Speed up initial Cabal bootstrap
echo "utils/ghc-cabal_dist_EXTRA_HC_OPTS+=$(ghc-make-args)" >> 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
# app-text/dblatex is not in portage, can not build PDF or PS
echo "BUILD_SPHINX_PDF = NO" >> mk/build.mk
echo "BUILD_SPHINX_HTML = $(usex doc YES NO)" >> mk/build.mk
echo "BUILD_MAN = $(usex doc YES NO)" >> mk/build.mk
# this controls presence on 'xhtml' and 'haddock' in final install
echo "HADDOCK_DOCS = YES" >> mk/build.mk
# not used outside of ghc's test
if [[ -n ${GHC_BUILD_DPH} ]]; then
echo "BUILD_DPH = YES" >> mk/build.mk
else
echo "BUILD_DPH = NO" >> mk/build.mk
fi
# Any non-native build has to skip as it needs
# target haddock binary to be runnabine.
if ! is_native; then
# disable docs generation as it requires running stage2
echo "HADDOCK_DOCS=NO" >> mk/build.mk
echo "BUILD_SPHINX_HTML=NO" >> mk/build.mk
echo "BUILD_SPHINX_PDF=NO" >> mk/build.mk
fi
if is_crosscompile; then
# Install ghc-stage1 crosscompiler instead of
# ghc-stage2 cross-built compiler.
echo "Stage1Only=YES" >> mk/build.mk
fi
# allows overriding build flavours for libraries:
# v - vanilla (static libs)
# p - profiled
# dyn - shared libraries
# example: GHC_LIBRARY_WAYS="v dyn"
if [[ -n ${GHC_LIBRARY_WAYS} ]]; then
echo "GhcLibWays=${GHC_LIBRARY_WAYS}" >> mk/build.mk
fi
echo "BUILD_PROF_LIBS = $(usex profile YES NO)" >> mk/build.mk
# Get ghc from the unpacked binary .tbz2
# except when bootstrapping we just pick ghc up off the path
if ! use ghcbootstrap; then
export PATH="${WORKDIR}/usr/bin:${PATH}"
fi
echo "INTEGER_LIBRARY = $(usex gmp integer-gmp integer-simple)" >> mk/build.mk
# don't strip anything. Very useful when stage2 SIGSEGVs on you
echo "STRIP_CMD = :" >> mk/build.mk
local econf_args=()
# GHC embeds toolchain it was built by and uses it later.
# Don't allow things like ccache or versioned binary slip.
# We use stable thing across gcc upgrades.
# User can use EXTRA_ECONF=CC=... to override this default.
econf_args+=(
AR=${CTARGET}-ar
CC=${CTARGET}-gcc
# these should be inferred by GHC but ghc defaults
# to using bundled tools on windows.
Windres=${CTARGET}-windres
DllWrap=${CTARGET}-dllwrap
# we set the linker explicitly below
--disable-ld-override
)
case ${CTARGET} in
arm*)
# ld.bfd-2.28 does not work for ghc. Force ld.gold
# instead. This should be removed once gentoo gets
# a fix for R_ARM_COPY bug: https://sourceware.org/PR16177
econf_args+=(LD=${CTARGET}-ld.gold)
;;
sparc*)
# ld.gold-2.28 does not work for ghc. Force ld.bfd
# instead. This should be removed once gentoo gets
# a fix for missing --no-relax support bug:
# https://sourceware.org/ml/binutils/2017-07/msg00183.html
econf_args+=(LD=${CTARGET}-ld.bfd)
;;
*)
econf_args+=(LD=${CTARGET}-ld)
esac
if [[ ${CBUILD} != ${CHOST} ]]; then
# GHC bug: ghc claims not to support cross-building.
# It does, but does not distinct --host= value
# for stage1 and stage2 compiler.
econf_args+=(--host=${CBUILD})
fi
if use ghcmakebinary; then
# When building booting libary we are trying to
# bundle or restrict most of external depends
# with unstable ABI:
# - embed libffi (default GHC behaviour)
# - disable ncurses support for ghci (via haskeline)
# https://bugs.gentoo.org/557478
# - disable ncurses support for ghc-pkg
echo "libraries/haskeline_CONFIGURE_OPTS += --flag=-terminfo" >> mk/build.mk
echo "utils/ghc-pkg_HC_OPTS += -DBOOTSTRAPPING" >> mk/build.mk
elif is_native; then
# using ${GTARGET}'s libffi is not supported yet:
# GHC embeds full path for ffi includes without /usr/${CTARGET} account.
econf_args+=(--with-system-libffi)
econf_args+=(--with-ffi-includes=$($(tc-getPKG_CONFIG) libffi --cflags-only-I | sed -e 's@^-I@@'))
fi
einfo "Final mk/build.mk:"
cat mk/build.mk || die
econf ${econf_args[@]} \
--enable-bootstrap-with-devel-snapshot \
$(use_enable elfutils dwarf-unwind) \
$(use_enable numa)
if [[ ${PV} == *9999* ]]; then
GHC_PV="$(grep 'S\[\"PACKAGE_VERSION\"\]' config.status | sed -e 's@^.*=\"\(.*\)\"@\1@')"
GHC_P=${PN}-${GHC_PV}
fi
fi # ! use binary
}
src_compile() {
if ! use binary; then
# Stage1Only crosscompiler does not build stage2
if ! is_crosscompile; then
# 1. build/pax-mark compiler binary first
emake ghc/stage2/build/tmp/ghc-stage2
# 2. pax-mark (bug #516430)
pax-mark -m ghc/stage2/build/tmp/ghc-stage2
# 2. build/pax-mark haddock using ghc-stage2
if is_native; then
# non-native build does not build haddock
# due to HADDOCK_DOCS=NO, but it could.
emake utils/haddock/dist/build/tmp/haddock
pax-mark -m utils/haddock/dist/build/tmp/haddock
fi
fi
# 3. and then all the rest
emake all
fi # ! use binary
}
src_test() {
# TODO: deal with:
# - sandbox (pollutes environment)
# - extra packages (to extend testsuite coverage)
# bits are taken from 'validate'
local make_test_target='test' # can be fulltest
# not 'emake' as testsuite uses '$MAKE' without jobserver available
make $make_test_target stage=2 THREADS=$(makeopts_jobs)
}
src_install() {
if use binary; then
use prefix && mkdir -p "${ED}"
mv "${S}/usr" "${ED}"
else
[[ -f VERSION ]] || emake VERSION
# -j1 due to a rare race in install script:
# make --no-print-directory -f ghc.mk phase=final install
# /usr/lib/portage/python3.4/ebuild-helpers/xattr/install -c -m 755 \
# -d "/tmp/portage-tmpdir/portage/cross-armv7a-unknown-linux-gnueabi/ghc-9999/image/usr/lib64/armv7a-unknown-linux-gnueabi-ghc-8.3.20170404/include"
# /usr/lib/portage/python3.4/ebuild-helpers/xattr/install -c -m 644 utils/hsc2hs/template-hsc.h \
# "/tmp/portage-tmpdir/portage/cross-armv7a-unknown-linux-gnueabi/ghc-9999/image/usr/lib64/armv7a-unknown-linux-gnueabi-ghc-8.3.20170404"
# /usr/bin/install: cannot create regular file \
# '/tmp/portage-tmpdir/portage/cross-armv7a-unknown-linux-gnueabi/ghc-9999/image/usr/lib64/armv7a-unknown-linux-gnueabi-ghc-8.3.20170404': No such file or directory
emake -j1 install DESTDIR="${D}"
# Skip for cross-targets as they all share target location:
# /usr/share/doc/ghc-9999/
if ! is_crosscompile; then
dodoc "distrib/README" "LICENSE" "VERSION"
fi
# rename ghc-shipped files to avoid collision
# of external packages. Motivating example:
# user had installed:
# dev-lang/ghc-7.8.4-r0 (with transformers-0.3.0.0)
# dev-haskell/transformers-0.4.2.0
# then user tried to update to
# dev-lang/ghc-7.8.4-r1 (with transformers-0.4.2.0)
# this will lead to single .conf file collision.
local shipped_conf renamed_conf
local package_confdir="${ED}/usr/$(get_libdir)/$(cross)${GHC_P}/package.conf.d"
for shipped_conf in "${package_confdir}"/*.conf; do
# rename 'pkg-ver-id.conf' to 'pkg-ver-id-gentoo-${PF}.conf'
renamed_conf=${shipped_conf%.conf}-gentoo-${PF}.conf
mv "${shipped_conf}" "${renamed_conf}" || die
done
# remove link, but leave 'haddock-${GHC_P}'
rm -f "${ED}"/usr/bin/$(cross)haddock
if ! is_crosscompile; then
newbashcomp "${FILESDIR}"/ghc-bash-completion ghc-pkg
newbashcomp utils/completion/ghc.bash ghc
fi
fi
# path to the package.cache
local package_confdir="${ED}/usr/$(get_libdir)/$(cross)${GHC_P}/package.conf.d"
PKGCACHE="${package_confdir}"/package.cache
# copy the package.conf.d, including timestamp, save it so we can help
# users that have a broken package.conf.d
cp -pR "${package_confdir}"{,.initial} || die "failed to backup intial package.conf.d"
# copy the package.conf, including timestamp, save it so we later can put it
# back before uninstalling, or when upgrading.
cp -p "${PKGCACHE}"{,.shipped} \
|| die "failed to copy package.conf.d/package.cache"
if is_crosscompile; then
# When we build a cross-compiler the layout is the following:
# usr/lib/${CTARGET}-ghc-${VER}/ contains target libraries
# but
# usr/lib/${CTARGET}-ghc-${VER}/bin/ directory
# containst host binaries (modulo bugs).
# Portage's stripping mechanism does not skip stripping
# foreign binaries. This frequently causes binaries to be
# broken.
#
# Thus below we disable stripping of target libraries and allow
# stripping hosts executables.
dostrip -x "/usr/$(get_libdir)/$(cross)${GHC_P}"
dostrip "/usr/$(get_libdir)/$(cross)${GHC_P}/bin"
fi
}
pkg_preinst() {
# have we got an earlier version of ghc installed?
if has_version "<${CATEGORY}/${PF}"; then
haskell_updater_warn="1"
fi
}
pkg_postinst() {
ghc-reregister
# path to the package.cache
PKGCACHE="${EROOT}/usr/$(get_libdir)/$(cross)${GHC_P}/package.conf.d/package.cache"
# give the cache a new timestamp, it must be as recent as
# the package.conf.d directory.
touch "${PKGCACHE}"
if [[ "${haskell_updater_warn}" == "1" ]]; then
ewarn
ewarn "\e[1;31m************************************************************************\e[0m"
ewarn
ewarn "You have just upgraded from an older version of GHC."
ewarn "You may have to run"
ewarn " 'haskell-updater'"
ewarn "to rebuild all ghc-based Haskell libraries."
ewarn
ewarn "\e[1;31m************************************************************************\e[0m"
ewarn
fi
}
pkg_prerm() {
PKGCACHE="${EROOT}/usr/$(get_libdir)/$(cross)${GHC_P}/package.conf.d/package.cache"
rm -rf "${PKGCACHE}"
cp -p "${PKGCACHE}"{.shipped,}
}
pkg_postrm() {
ghc-package_pkg_postrm
}