--- /dev/null
+commit 5efbf0d243984444cf352ad6f0d147e226c64498
+Author: Sergei Trofimovich <slyfox@gentoo.org>
+Date: Thu Sep 1 17:34:58 2016 +0100
+
+ restore -fmax-worker-args handling (Trac #11565)
+
+ maxWorkerArgs handling was accidentally lost 3 years ago
+ in a major update of demand analysis
+ commit 0831a12ea2fc73c33652eeec1adc79fa19700578
+
+ Old regression is noticeable as:
+ - code bloat (requires stack reshuffling)
+ - compilation slowdown (more code to optimise/generate)
+ - and increased heap usage (DynFlags unboxing/reboxing?)
+
+ On a simple compile benchmark this change causes heap
+ allocation drop from 70G don to 67G (ghc perf build).
+
+ Signed-off-by: Sergei Trofimovich <siarheit@google.com>
+
+ Reviewers: simonpj, ezyang, goldfire, austin, bgamari
+
+ Reviewed By: simonpj, ezyang
+
+ Subscribers: thomie
+
+ Differential Revision: https://phabricator.haskell.org/D2503
+
+ GHC Trac Issues: #11565
+
+diff --git a/compiler/specialise/SpecConstr.hs b/compiler/specialise/SpecConstr.hs
+index 10d5614..7166f57 100644
+--- a/compiler/specialise/SpecConstr.hs
++++ b/compiler/specialise/SpecConstr.hs
+@@ -29,7 +29,7 @@ import CoreFVs ( exprsFreeVarsList )
+ import CoreMonad
+ import Literal ( litIsLifted )
+ import HscTypes ( ModGuts(..) )
+-import WwLib ( mkWorkerArgs )
++import WwLib ( isWorkerSmallEnough, mkWorkerArgs )
+ import DataCon
+ import Coercion hiding( substCo )
+ import Rules
+@@ -1533,10 +1533,14 @@ specialise env bind_calls (RI { ri_fn = fn, ri_lam_bndrs = arg_bndrs
+
+ | Just all_calls <- lookupVarEnv bind_calls fn
+ = -- pprTrace "specialise entry {" (ppr fn <+> ppr (length all_calls)) $
+- do { (boring_call, pats) <- callsToPats env specs arg_occs all_calls
+-
++ do { (boring_call, all_pats) <- callsToPats env specs arg_occs all_calls
+ -- Bale out if too many specialisations
+- ; let n_pats = length pats
++ ; let pats = filter (is_small_enough . fst) all_pats
++ is_small_enough vars = isWorkerSmallEnough (sc_dflags env) vars
++ -- We are about to construct w/w pair in 'spec_one'.
++ -- Omit specialisation leading to high arity workers.
++ -- See Note [Limit w/w arity]
++ n_pats = length pats
+ spec_count' = n_pats + spec_count
+ ; case sc_count env of
+ Just max | not (sc_force env) && spec_count' > max
+diff --git a/compiler/stranal/WwLib.hs b/compiler/stranal/WwLib.hs
+index 09bc204..d9460d9 100644
+--- a/compiler/stranal/WwLib.hs
++++ b/compiler/stranal/WwLib.hs
+@@ -8,6 +8,7 @@
+
+ module WwLib ( mkWwBodies, mkWWstr, mkWorkerArgs
+ , deepSplitProductType_maybe, findTypeShape
++ , isWorkerSmallEnough
+ ) where
+
+ #include "HsVersions.h"
+@@ -144,7 +145,8 @@ mkWwBodies dflags fam_envs fun_ty demands res_info one_shots
+ wrapper_body = wrap_fn_args . wrap_fn_cpr . wrap_fn_str . applyToVars work_call_args . Var
+ worker_body = mkLams work_lam_args. work_fn_str . work_fn_cpr . work_fn_args
+
+- ; if useful1 && not (only_one_void_argument) || useful2
++ ; if isWorkerSmallEnough dflags work_args
++ && (useful1 && not only_one_void_argument || useful2)
+ then return (Just (worker_args_dmds, wrapper_body, worker_body))
+ else return Nothing
+ }
+@@ -165,6 +167,12 @@ mkWwBodies dflags fam_envs fun_ty demands res_info one_shots
+ | otherwise
+ = False
+
++-- See Note [Limit w/w arity]
++isWorkerSmallEnough :: DynFlags -> [Var] -> Bool
++isWorkerSmallEnough dflags vars = count isId vars <= maxWorkerArgs dflags
++ -- We count only Free variables (isId) to skip Type, Kind
++ -- variables which have no runtime representation.
++
+ {-
+ Note [Always do CPR w/w]
+ ~~~~~~~~~~~~~~~~~~~~~~~~
+@@ -178,6 +186,30 @@ a disaster, because then the enclosing function might say it has the CPR
+ property, but now doesn't and there a cascade of disaster. A good example
+ is Trac #5920.
+
++Note [Limit w/w arity]
++~~~~~~~~~~~~~~~~~~~~~~~~
++Guard against high worker arity as it generates a lot of stack traffic.
++A simplified example is Trac #11565#comment:6
++
++Current strategy is very simple: don't perform w/w transformation at all
++if the result produces a wrapper with arity higher than -fmax-worker-args=.
++
++It is a bit all or nothing, consider
++
++ f (x,y) (a,b,c,d,e ... , z) = rhs
++
++Currently we will remove all w/w ness entirely. But actually we could
++w/w on the (x,y) pair... it's the huge product that is the problem.
++
++Could we instead refrain from w/w on an arg-by-arg basis? Yes, that'd
++solve f. But we can get a lot of args from deeply-nested products:
++
++ g (a, (b, (c, (d, ...)))) = rhs
++
++This is harder to spot on an arg-by-arg basis. Previously mkWwStr was
++given some "fuel" saying how many arguments it could add; when we ran
++out of fuel it would stop w/wing.
++Still not very clever because it had a left-right bias.
+
+ ************************************************************************
+ * *
--- /dev/null
+# Copyright 1999-2017 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=5
+
+# to make make a crosscompiler use crossdev and symlink ghc tree into
+# cross overlay. result would look like 'cross-sparc-unknown-linux-gnu/ghc'
+#
+# 'CTARGET' definition and 'is_crosscompile' are taken from 'toolchain.eclass'
+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 pax-utils toolchain-funcs versionator prefix
+
+DESCRIPTION="The Glasgow Haskell Compiler"
+HOMEPAGE="http://www.haskell.org/ghc/"
+
+# we don't have any binaries yet
+arch_binaries=""
+
+# sorted!
+#arch_binaries="$arch_binaries alpha? ( http://code.haskell.org/~slyfox/ghc-alpha/ghc-bin-${PV}-alpha.tbz2 )"
+#arch_binaries="$arch_binaries arm? ( http://code.haskell.org/~slyfox/ghc-arm/ghc-bin-${PV}-arm.tbz2 )"
+#arch_binaries="$arch_binaries amd64? ( http://code.haskell.org/~slyfox/ghc-amd64/ghc-bin-${PV}-amd64.tbz2 )"
+#arch_binaries="$arch_binaries ia64? ( http://code.haskell.org/~slyfox/ghc-ia64/ghc-bin-${PV}-ia64-fixed-fiw.tbz2 )"
+#arch_binaries="$arch_binaries ppc? ( http://code.haskell.org/~slyfox/ghc-ppc/ghc-bin-${PV}-ppc.tbz2 )"
+#arch_binaries="$arch_binaries ppc64? ( http://code.haskell.org/~slyfox/ghc-ppc64/ghc-bin-${PV}-ppc64.tbz2 )"
+#arch_binaries="$arch_binaries sparc? ( http://code.haskell.org/~slyfox/ghc-sparc/ghc-bin-${PV}-sparc.tbz2 )"
+#arch_binaries="$arch_binaries x86? ( http://code.haskell.org/~slyfox/ghc-x86/ghc-bin-${PV}-x86.tbz2 )"
+
+# various ports:
+#arch_binaries="$arch_binaries x86-fbsd? ( http://code.haskell.org/~slyfox/ghc-x86-fbsd/ghc-bin-${PV}-x86-fbsd.tbz2 )"
+
+# 0 - yet
+yet_binary() {
+ case "${ARCH}" in
+ #alpha) return 0 ;;
+ #arm)
+ # ewarn "ARM binary is built on armv5tel-eabi toolchain. Use with caution."
+ # return 0
+ #;;
+ #amd64) return 0 ;;
+ #ia64) return 0 ;;
+ #ppc) return 0 ;;
+ #ppc64) return 0 ;;
+ #sparc) return 0 ;;
+ #x86) return 0 ;;
+ *) return 1 ;;
+ esac
+}
+
+GHC_PV=${PV}
+#GHC_PV=8.0.1.20161213 # uncomment only for -rc ebuilds
+GHC_P=${PN}-${GHC_PV} # using ${P} is almost never correct
+
+SRC_URI="!binary? ( http://downloads.haskell.org/~ghc/${PV/_rc/-rc}/${GHC_P}-src.tar.xz )"
+S="${WORKDIR}"/${GHC_P}
+
+[[ -n $arch_binaries ]] && SRC_URI+=" !ghcbootstrap? ( $arch_binaries )"
+
+BUMP_LIBRARIES=(
+ # "hackage-name hackage-version"
+)
+
+LICENSE="BSD"
+SLOT="0/${PV}"
+#KEYWORDS="~amd64 ~x86 ~amd64-linux ~x86-linux"
+IUSE="doc ghcbootstrap ghcmakebinary +gmp +profile"
+IUSE+=" binary"
+
+RDEPEND="
+ >=dev-lang/perl-5.6.1
+ dev-libs/gmp:0=
+ sys-libs/ncurses:=[unicode]
+ !ghcmakebinary? ( virtual/libffi:= )
+"
+# gentoo binaries are built against ncurses-6
+RDEPEND+="
+ binary? (
+ || (
+ sys-libs/ncurses:0/6
+ sys-libs/ncurses:5/6
+ )
+ )
+"
+
+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 )
+"
+
+PDEPEND="!ghcbootstrap? ( =app-admin/haskell-updater-1.2* )"
+
+REQUIRED_USE="?? ( ghcbootstrap binary )"
+
+# haskell libraries built with cabal in configure mode, #515354
+QA_CONFIGURE_OPTIONS+=" --with-compiler --with-gcc"
+
+is_crosscompile() {
+ [[ ${CHOST} != ${CTARGET} ]]
+}
+
+# returns tool prefix for crosscompiler.
+# Example:
+# CTARGET=armv7a-unknown-linux-gnueabi
+# CHOST=x86_64-pc-linux-gnu
+# "armv7a-unknown-linux-gnueabi-"
+# CTARGET=${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=$2
+
+ SRC_URI+=" mirror://hackage/package/${pn}/${pn}-${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}" "${pv}"
+ done
+}
+
+ghc_setup_cflags() {
+ if is_crosscompile; then
+ export CFLAGS=${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
+
+ # hardened-gcc needs to be disabled, because the mangler doesn't accept
+ # its output.
+ gcc-specs-pie && append-ghc-cflags persistent compile link -nopie
+ gcc-specs-ssp && append-ghc-cflags persistent 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 persistent compile -mminimal-toc
+}
+
+# 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=$1
+
+ # libdir for prebuilt binary and for current system may mismatch
+ # It does for prefix installation for example: bug #476998
+ local bin_ghc_prefix=${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_PV}-orig"
+ cp "${WORKDIR}/usr/bin/$(cross)ghc-pkg-${GHC_PV}" "$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)" \
+ "${WORKDIR}/usr/bin/$(cross)ghc-${GHC_PV}" \
+ "${WORKDIR}/usr/bin/$(cross)ghci-${GHC_PV}" \
+ "${WORKDIR}/usr/bin/$(cross)ghc-pkg-${GHC_PV}" \
+ "${WORKDIR}/usr/bin/$(cross)hsc2hs" \
+ "${WORKDIR}/usr/bin/$(cross)runghc-${GHC_PV}" \
+ "$gp_back" \
+ "${WORKDIR}/usr/$(get_libdir)/$(cross)${GHC_P}/package.conf.d/"*
+ fi
+
+ # Relocate from /usr to ${EPREFIX}/usr
+ relocate_path "/usr" "${to}/usr" \
+ "${WORKDIR}/usr/bin/$(cross)ghc-${GHC_PV}" \
+ "${WORKDIR}/usr/bin/$(cross)ghci-${GHC_PV}" \
+ "${WORKDIR}/usr/bin/$(cross)ghc-pkg-${GHC_PV}" \
+ "${WORKDIR}/usr/bin/$(cross)hsc2hs" \
+ "${WORKDIR}/usr/bin/$(cross)runghc-${GHC_PV}" \
+ "${WORKDIR}/usr/$(get_libdir)/$(cross)${GHC_P}/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
+ # and insert LD_LIBRARY_PATH entry to EPREFIX dir tree
+ # TODO: add the same for darwin's CHOST and it's DYLD_
+ local new_ldpath='LD_LIBRARY_PATH="'${EPREFIX}/$(get_libdir):${EPREFIX}/usr/$(get_libdir)'${LD_LIBRARY_PATH:+:}${LD_LIBRARY_PATH}"\nexport LD_LIBRARY_PATH'
+ sed -i -e '2i'"$new_ldpath" \
+ "${WORKDIR}/usr/bin/$(cross)ghc-${GHC_PV}" \
+ "${WORKDIR}/usr/bin/$(cross)ghci-${GHC_PV}" \
+ "${WORKDIR}/usr/bin/$(cross)ghc-pkg-${GHC_PV}" \
+ "${WORKDIR}/usr/bin/$(cross)hsc2hs" \
+ "${WORKDIR}/usr/bin/$(cross)runghc-${GHC_PV}" \
+ "$gp_back" \
+ || die "Adding LD_LIBRARY_PATH for wrappers failed"
+ hprefixify "${bin_libpath}"/${PN}*/settings
+ fi
+
+ # regenerate the binary package cache
+ "$gp_back" recache || die "failed to update cache after relocation"
+ rm "$gp_back"
+}
+
+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.bz2 ;;
+ 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/$(cross)ghc-${GHC_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)/$(cross)${GHC_P}/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}"
+ 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
+ # much 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 "${S}" # otherwise epatch will break
+
+ epatch "${FILESDIR}"/${PN}-7.0.4-CHOST-prefix.patch
+
+ epatch "${FILESDIR}"/${PN}-8.0.1_rc1-cgen-constify.patch
+ epatch "${FILESDIR}"/${PN}-7.8.3-prim-lm.patch
+
+ epatch "${FILESDIR}"/${PN}-8.0.1-limit-jN.patch
+ epatch "${FILESDIR}"/${PN}-8.0.1-ww-args-limit.patch
+ epatch "${FILESDIR}"/${PN}-8.0.1-par-g0-on-A32.patch
+ epatch "${FILESDIR}"/${PN}-8.0.2_rc2-old-sphinx.patch
+
+ if use prefix; then
+ # Make configure find docbook-xsl-stylesheets from Prefix
+ sed -e '/^FP_DIR_DOCBOOK_XSL/s:\[.*\]:['"${EPREFIX}"'/usr/share/sgml/docbook/xsl-stylesheets/]:' \
+ -i utils/haddock/doc/configure.ac || die
+ fi
+
+ bump_libs
+
+ # as we have changed the build system
+ eautoreconf
+ fi
+}
+
+src_configure() {
+ if ! use binary; then
+ # initialize build.mk
+ echo '# Gentoo changes' > mk/build.mk
+
+ # Put docs into the right place, ie /usr/share/doc/ghc-${GHC_PV}
+ echo "docdir = ${EPREFIX}/usr/share/doc/${P}" >> mk/build.mk
+ echo "htmldir = ${EPREFIX}/usr/share/doc/${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
+
+ # this controls presence on 'xhtml' and 'haddock' in final install
+ echo "HADDOCK_DOCS = YES" >> mk/build.mk
+
+ # 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 = $(usex gmp integer-gmp integer-simple)" >> mk/build.mk
+
+ # don't strip anything. Very useful when stage2 SIGSEGVs on you
+ echo "STRIP_CMD = :" >> mk/build.mk
+
+ local econf_args=()
+
+ # GHC embeds 'gcc' it was built by and uses it later.
+ # Don't allow things like ccache or versioned binary slip.
+ # We use stable thing across gcc upgrades.
+ is_crosscompile || econf_args+=(--with-gcc=${CHOST}-gcc)
+
+ 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
+ else
+ econf_args+=(--with-system-libffi)
+ econf_args+=(--with-ffi-includes=$(pkg-config libffi --cflags-only-I | sed -e 's@^-I@@'))
+ fi
+
+ elog "Final mk/build.mk:"
+ cat mk/build.mk || die
+
+ econf ${econf_args[@]} --enable-bootstrap-with-devel-snapshot
+
+ 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
+ # 1. build/pax-mark compiler binary first
+ emake ghc/stage2/build/tmp/ghc-stage2
+ pax-mark -m ghc/stage2/build/tmp/ghc-stage2
+ # 2. build/pax-mark haddock using ghc-stage2
+ emake utils/haddock/dist/build/tmp/haddock
+ pax-mark -m utils/haddock/dist/build/tmp/haddock
+ # 3. and then all the rest
+ emake all
+ fi # ! use binary
+}
+
+src_install() {
+ if use binary; then
+ use prefix && mkdir -p "${ED}"
+ mv "${S}/usr" "${ED}"
+ else
+
+ emake install DESTDIR="${D}"
+ dodoc "distrib/README" "ANNOUNCE" "LICENSE" "VERSION"
+
+ # 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/$(cross)haddock
+
+ if [[ ! -f "${S}/VERSION" ]]; then
+ echo "${GHC_PV}" > "${S}/VERSION" \
+ || die "Could not create file ${S}/VERSION"
+ fi
+ if ! is_crosscompile; then
+ newbashcomp "${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 "${PKGCACHE}"{,.shipped} \
+ || die "failed to copy package.conf.d/package.cache"
+}
+
+pkg_preinst() {
+ # have we got an earlier version of ghc installed?
+ if has_version "<${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
+}
projects / gentoo.git / commitdiff