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427 lines
15 KiB
427 lines
15 KiB
# Copyright 1999-2012 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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# $Header: /var/cvsroot/gentoo-x86/dev-lang/ghc/ghc-6.12.3.ebuild,v 1.23 2012/04/13 19:01:18 slyfox Exp $
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# Brief explanation of the bootstrap logic:
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#
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# Previous ghc ebuilds have been split into two: ghc and ghc-bin,
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# where ghc-bin was primarily used for bootstrapping purposes.
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# From now on, these two ebuilds have been combined, with the
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# binary USE flag used to determine whether or not the pre-built
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# binary package should be emerged or whether ghc should be compiled
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# from source. If the latter, then the relevant ghc-bin for the
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# arch in question will be used in the working directory to compile
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# ghc from source.
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#
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# This solution has the advantage of allowing us to retain the one
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# ebuild for both packages, and thus phase out virtual/ghc.
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# Note to users of hardened gcc-3.x:
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#
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# If you emerge ghc with hardened gcc it should work fine (because we
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# turn off the hardened features that would otherwise break ghc).
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# However, emerging ghc while using a vanilla gcc and then switching to
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# hardened gcc (using gcc-config) will leave you with a broken ghc. To
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# fix it you would need to either switch back to vanilla gcc or re-emerge
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# ghc (or ghc-bin). Note that also if you are using hardened gcc-3.x and
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# you switch to gcc-4.x that this will also break ghc and you'll need to
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# re-emerge ghc (or ghc-bin). People using vanilla gcc can switch between
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# gcc-3.x and 4.x with no problems.
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inherit base autotools bash-completion eutils flag-o-matic multilib toolchain-funcs ghc-package versionator pax-utils
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DESCRIPTION="The Glasgow Haskell Compiler"
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HOMEPAGE="http://www.haskell.org/ghc/"
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arch_binaries=""
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arch_binaries="$arch_binaries alpha? ( http://code.haskell.org/~slyfox/ghc-alpha/ghc-bin-${PV}-alpha-haddock.tbz2 )"
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arch_binaries="$arch_binaries x86? ( mirror://gentoo/ghc-bin-${PV}-x86.tbz2 )"
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arch_binaries="$arch_binaries amd64? ( mirror://gentoo/ghc-bin-${PV}-amd64.tbz2 )"
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arch_binaries="$arch_binaries ia64? ( http://code.haskell.org/~slyfox/ghc-ia64/ghc-bin-${PV}-ia64-haddock.tbz2 )"
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arch_binaries="$arch_binaries sparc? ( http://code.haskell.org/~slyfox/ghc-sparc/ghc-bin-${PV}-sparc.tbz2 )"
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arch_binaries="$arch_binaries ppc64? ( mirror://gentoo/ghc-bin-${PV}-ppc64.tbz2 )"
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arch_binaries="$arch_binaries ppc? ( mirror://gentoo/ghc-bin-${PV}-ppc.tbz2 )"
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# various ports:
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arch_binaries="$arch_binaries x86-fbsd? ( http://code.haskell.org/~slyfox/ghc-x86-fbsd/ghc-bin-${PV}-x86-fbsd.tbz2 )"
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SRC_URI="!binary? ( http://darcs.haskell.org/download/dist/${PV}/${P}-src.tar.bz2 )
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!ghcbootstrap? ( $arch_binaries )"
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LICENSE="BSD"
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SLOT="0"
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KEYWORDS="alpha amd64 ia64 ppc ppc64 sparc x86 ~x86-fbsd"
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IUSE="binary doc ghcbootstrap"
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RDEPEND="
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!dev-lang/ghc-bin
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>=sys-devel/gcc-2.95.3
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>=sys-devel/binutils-2.17
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>=dev-lang/perl-5.6.1
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>=dev-libs/gmp-4.1
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!<dev-haskell/haddock-2.4.2"
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# earlier versions than 2.4.2 of haddock only works with older ghc releases
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DEPEND="${RDEPEND}
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ghcbootstrap? ( doc? ( ~app-text/docbook-xml-dtd-4.2
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app-text/docbook-xsl-stylesheets
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>=dev-libs/libxslt-1.1.2 ) )"
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# In the ghcbootstrap case we rely on the developer having
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# >=ghc-5.04.3 on their $PATH already
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PDEPEND="!ghcbootstrap? ( =app-admin/haskell-updater-1.1* )"
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# use undocumented feature STRIP_MASK to fix this issue:
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# http://hackage.haskell.org/trac/ghc/ticket/3580
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STRIP_MASK="*/HSffi.o"
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append-ghc-cflags() {
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local flag compile assemble link
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for flag in $*; do
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case ${flag} in
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compile) compile="yes";;
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assemble) assemble="yes";;
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link) link="yes";;
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*)
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[[ ${compile} ]] && GHC_CFLAGS="${GHC_CFLAGS} -optc${flag}"
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[[ ${assemble} ]] && GHC_CFLAGS="${GHC_CFLAGS} -opta${flag}"
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[[ ${link} ]] && GHC_CFLAGS="${GHC_CFLAGS} -optl${flag}";;
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esac
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done
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}
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ghc_setup_cflags() {
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# We need to be very careful with the CFLAGS we ask ghc to pass through to
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# gcc. There are plenty of flags which will make gcc produce output that
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# breaks ghc in various ways. The main ones we want to pass through are
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# -mcpu / -march flags. These are important for arches like alpha & sparc.
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# We also use these CFLAGS for building the C parts of ghc, ie the rts.
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strip-flags
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strip-unsupported-flags
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GHC_CFLAGS=""
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for flag in ${CFLAGS}; do
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case ${flag} in
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# Ignore extra optimisation (ghc passes -O to gcc anyway)
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# -O2 and above break on too many systems
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-O*) ;;
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# Arch and ABI flags are what we're really after
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-m*) append-ghc-cflags compile assemble ${flag};;
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# Debugging flags don't help either. You can't debug Haskell code
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# at the C source level and the mangler discards the debug info.
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-g*) ;;
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# Ignore all other flags, including all -f* flags
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esac
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done
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# hardened-gcc needs to be disabled, because the mangler doesn't accept
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# its output.
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gcc-specs-pie && append-ghc-cflags compile link -nopie
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gcc-specs-ssp && append-ghc-cflags compile -fno-stack-protector
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# prevent from failind building unregisterised ghc:
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# http://www.mail-archive.com/debian-bugs-dist@lists.debian.org/msg171602.html
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use ppc64 && append-ghc-cflags compile -mminimal-toc
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# fix the similar issue as ppc64 TOC on ia64. ia64 has limited size of small data
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# currently ghc fails to build haddock
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# http://osdir.com/ml/gnu.binutils.bugs/2004-10/msg00050.html
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use ia64 && append-ghc-cflags compile -G0
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}
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pkg_setup() {
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if use ghcbootstrap; then
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ewarn "You requested ghc bootstrapping, this is usually only used"
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ewarn "by Gentoo developers to make binary .tbz2 packages for"
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ewarn "use with the ghc ebuild's USE=\"binary\" feature."
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use binary && \
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die "USE=\"ghcbootstrap binary\" is not a valid combination."
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[[ -z $(type -P ghc) ]] && \
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die "Could not find a ghc to bootstrap with."
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fi
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}
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src_unpack() {
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# Create the ${S} dir if we're using the binary version
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use binary && mkdir "${S}"
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base_src_unpack
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source "${FILESDIR}/ghc-apply-gmp-hack" "$(get_libdir)"
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ghc_setup_cflags
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if ! use ghcbootstrap; then
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# Modify the wrapper script from the binary tarball to use GHC_CFLAGS.
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# See bug #313635.
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sed -i -e "s|\"\$topdir\"|\"\$topdir\" ${GHC_CFLAGS}|" \
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"${WORKDIR}/usr/bin/ghc-${PV}"
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# allow hardened users use vanilla biary to bootstrap ghc
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# ghci uses mmap with rwx protection at it implements dynamic
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# linking on it's own (bug #299709)
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pax-mark -m "${WORKDIR}/usr/$(get_libdir)/${P}/ghc"
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fi
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if use binary; then
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# Move unpacked files to the expected place
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mv "${WORKDIR}/usr" "${S}"
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else
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if ! use ghcbootstrap; then
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# Relocate from /usr to ${WORKDIR}/usr
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sed -i -e "s|/usr|${WORKDIR}/usr|g" \
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"${WORKDIR}/usr/bin/ghc-${PV}" \
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"${WORKDIR}/usr/bin/ghci-${PV}" \
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"${WORKDIR}/usr/bin/ghc-pkg-${PV}" \
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"${WORKDIR}/usr/bin/hsc2hs" \
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"${WORKDIR}/usr/$(get_libdir)/${P}/package.conf.d/"* \
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|| die "Relocating ghc from /usr to workdir failed"
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# regenerate the binary package cache
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"${WORKDIR}/usr/bin/ghc-pkg" recache
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fi
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sed -i -e "s|\"\$topdir\"|\"\$topdir\" ${GHC_CFLAGS}|" \
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"${S}/ghc/ghc.wrapper"
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# Since GHC 6.12.2 the GHC wrappers store which GCC version GHC was
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# compiled with, by saving the path to it. The purpose is to make sure
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# that GHC will use the very same gcc version when it compiles haskell
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# sources, as the extra-gcc-opts files contains extra gcc options which
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# match only this GCC version.
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# However, this is not required in Gentoo, as only modern GCCs are used
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# (>4).
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# Instead, this causes trouble when for example ccache is used during
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# compilation, but we don't want the wrappers to point to ccache.
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# Due to the above, we simply remove GCC from the wrappers, which forces
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# GHC to use GCC from the users path, like previous GHC versions did.
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# Remove path to gcc
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sed -i -e '/pgmgcc/d' \
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"${S}/rules/shell-wrapper.mk"
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# Remove usage of the path to gcc
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sed -i -e 's/-pgmc "$pgmgcc"//' \
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"${S}/ghc/ghc.wrapper"
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cd "${S}" # otherwise epatch will break
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epatch "${FILESDIR}/ghc-6.12.1-configure-CHOST.patch"
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epatch "${FILESDIR}/ghc-6.12.2-configure-CHOST-part2.patch"
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epatch "${FILESDIR}/ghc-6.12.3-configure-CHOST-freebsd.patch"
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# -r and --relax are incompatible
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epatch "${FILESDIR}/ghc-6.12.3-ia64-fixed-relax.patch"
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# prevent from wiping upper address bits used in cache lookup
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epatch "${FILESDIR}/ghc-6.12.3-ia64-storage-manager-fix.patch"
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# fixes build failure of adjustor code
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epatch "${FILESDIR}/ghc-6.12.3-alpha-use-libffi-for-foreign-import-wrapper.patch"
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# native adjustor (NA) code is broken: interactive darcs-2.4 coredumps on NA
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epatch "${FILESDIR}/ghc-6.12.3-ia64-use-libffi-for-foreign-import-wrapper.patch"
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# same with NA on ppc
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epatch "${FILESDIR}/ghc-6.12.3-ppc-use-libffi-for-foreign-import-wrapper.patch"
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# substitute outdated macros
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epatch "${FILESDIR}/ghc-6.12.3-autoconf-2.66-4252.patch"
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# export typechecker internals even if ghci is disabled
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# http://hackage.haskell.org/trac/ghc/ticket/3558
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epatch "${FILESDIR}/ghc-6.12.3-ghciless-haddock-3558.patch"
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# This patch unbreaks ghci on GRSEC kernels hardened with
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# TPE (Trusted Path Execution) protection.
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epatch "${FILESDIR}/ghc-6.12.3-libffi-incorrect-detection-of-selinux.patch"
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# as we have changed the build system
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eautoreconf
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fi
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}
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src_compile() {
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if ! use binary; then
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# initialize build.mk
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echo '# Gentoo changes' > mk/build.mk
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# Put docs into the right place, ie /usr/share/doc/ghc-${PV}
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echo "docdir = /usr/share/doc/${P}" >> mk/build.mk
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echo "htmldir = /usr/share/doc/${P}" >> mk/build.mk
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# We also need to use the GHC_CFLAGS flags when building ghc itself
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echo "SRC_HC_OPTS+=${GHC_CFLAGS}" >> mk/build.mk
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echo "SRC_CC_OPTS+=${CFLAGS} -Wa,--noexecstack" >> mk/build.mk
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# We can't depend on haddock except when bootstrapping when we
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# must build docs and include them into the binary .tbz2 package
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if use ghcbootstrap && use doc; then
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echo "BUILD_DOCBOOK_PDF = NO" >> mk/build.mk
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echo "BUILD_DOCBOOK_PS = NO" >> mk/build.mk
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echo "BUILD_DOCBOOK_HTML = YES" >> mk/build.mk
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echo "HADDOCK_DOCS = YES" >> mk/build.mk
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else
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echo "BUILD_DOCBOOK_PDF = NO" >> mk/build.mk
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echo "BUILD_DOCBOOK_PS = NO" >> mk/build.mk
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echo "BUILD_DOCBOOK_HTML = NO" >> mk/build.mk
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echo "HADDOCK_DOCS = NO" >> mk/build.mk
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fi
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sed -e "s|utils/haddock_dist_INSTALL_SHELL_WRAPPER = YES|utils/haddock_dist_INSTALL_SHELL_WRAPPER = NO|" \
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-i utils/haddock/ghc.mk
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# circumvent a very strange bug that seems related with ghc producing
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# too much output while being filtered through tee (e.g. due to
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# portage logging) reported as bug #111183
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echo "SRC_HC_OPTS+=-w" >> mk/build.mk
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# some arches do not support ELF parsing for ghci module loading
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# PPC64: never worked (should be easy to implement)
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# alpha: never worked
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if use alpha || use ppc64; then
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echo "GhcWithInterpreter=NO" >> mk/build.mk
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fi
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# we have to tell it to build unregisterised on some arches
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# ppc64: EvilMangler currently does not understand some TOCs
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# ia64: EvilMangler bitrot
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if use alpha || use ia64 || use ppc64; then
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echo "GhcUnregisterised=YES" >> mk/build.mk
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echo "GhcWithNativeCodeGen=NO" >> mk/build.mk
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echo "SplitObjs=NO" >> mk/build.mk
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echo "GhcRTSWays := debug" >> mk/build.mk
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echo "GhcNotThreaded=YES" >> mk/build.mk
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fi
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# Have "ld -r --relax" problem with split-objs on sparc:
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if use sparc; then
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echo "SplitObjs=NO" >> mk/build.mk
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fi
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# Get ghc from the unpacked binary .tbz2
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# except when bootstrapping we just pick ghc up off the path
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if ! use ghcbootstrap; then
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export PATH="${WORKDIR}/usr/bin:${PATH}"
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fi
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econf || die "econf failed"
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# LC_ALL needs to workaround ghc's ParseCmm failure on some (es) locales
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# bug #202212 / http://hackage.haskell.org/trac/ghc/ticket/4207
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LC_ALL=C emake -j1 all || die "make failed"
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fi # ! use binary
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}
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src_install() {
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if use binary; then
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mv "${S}/usr" "${D}"
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# Remove the docs if not requested
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if ! use doc; then
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rm -rf "${D}/usr/share/doc/${P}/*/" \
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"${D}/usr/share/doc/${P}/*.html" \
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|| die "could not remove docs (P vs PF revision mismatch?)"
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fi
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else
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local insttarget="install"
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# We only built docs if we were bootstrapping, otherwise
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# we copy them out of the unpacked binary .tbz2
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if use doc; then
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if ! use ghcbootstrap; then
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mkdir -p "${D}/usr/share/doc"
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mv "${WORKDIR}/usr/share/doc/${P}" "${D}/usr/share/doc" \
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|| die "failed to copy docs"
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fi
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fi
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emake -j1 ${insttarget} \
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DESTDIR="${D}" \
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|| die "make ${insttarget} failed"
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# ghci uses mmap with rwx protection at it implements dynamic
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# linking on it's own (bug #299709)
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# so mark resulting binary
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pax-mark -m "${D}/usr/$(get_libdir)/${P}/ghc"
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dodoc "${S}/README" "${S}/ANNOUNCE" "${S}/LICENSE" "${S}/VERSION"
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dobashcompletion "${FILESDIR}/ghc-bash-completion"
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fi
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# path to the package.cache
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PKGCACHE="${D}/usr/$(get_libdir)/${P}/package.conf.d/package.cache"
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# copy the package.conf, including timestamp, save it so we later can put it
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# back before uninstalling, or when upgrading.
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cp -p "${PKGCACHE}"{,.shipped} \
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|| die "failed to copy package.conf.d/package.cache"
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}
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pkg_preinst() {
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# have we got an earlier version of ghc installed?
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if has_version "<${CATEGORY}/${PF}"; then
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haskell_updater_warn="1"
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fi
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}
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pkg_postinst() {
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ghc-reregister
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# path to the package.cache
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PKGCACHE="${ROOT}/usr/$(get_libdir)/${P}/package.conf.d/package.cache"
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# give the cache a new timestamp, it must be as recent as
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# the package.conf.d directory.
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touch "${PKGCACHE}"
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if [[ "${haskell_updater_warn}" == "1" ]]; then
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ewarn
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ewarn "\e[1;31m************************************************************************\e[0m"
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ewarn
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ewarn "You have just upgraded from an older version of GHC."
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ewarn "You may have to run"
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ewarn " 'haskell-updater --upgrade'"
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ewarn "to rebuild all ghc-based Haskell libraries."
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ewarn
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ewarn "\e[1;31m************************************************************************\e[0m"
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ewarn
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fi
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bash-completion_pkg_postinst
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}
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pkg_prerm() {
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# Be very careful here... Call order when upgrading is (according to PMS):
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# * src_install for new package
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# * pkg_preinst for new package
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# * pkg_postinst for new package
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# * pkg_prerm for the package being replaced
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# * pkg_postrm for the package being replaced
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# so you'll actually be touching the new packages files, not the one you
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# uninstall, due to that or installation directory ${P} will be the same for
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# both packages.
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# Call order for reinstalling is (according to PMS):
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# * src_install
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# * pkg_preinst
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# * pkg_prerm for the package being replaced
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# * pkg_postrm for the package being replaced
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# * pkg_postinst
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# Overwrite the modified package.cache with a copy of the
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# original one, so that it will be removed during uninstall.
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PKGCACHE="${ROOT}/usr/$(get_libdir)/${P}/package.conf.d/package.cache"
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rm -rf "${PKGCACHE}"
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cp -p "${PKGCACHE}"{.shipped,}
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}
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