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# 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/eclass/haskell-cabal.eclass,v 1.27 2012/02/07 12:47:54 slyfox Exp $ |
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|
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# @ECLASS: haskell-cabal.eclass |
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# @MAINTAINER: |
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# Haskell herd <haskell@gentoo.org> |
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# @AUTHOR: |
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# Original author: Andres Loeh <kosmikus@gentoo.org> |
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# Original author: Duncan Coutts <dcoutts@gentoo.org> |
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# @BLURB: for packages that make use of the Haskell Common Architecture for Building Applications and Libraries (cabal) |
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# @DESCRIPTION: |
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# Basic instructions: |
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# |
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# Before inheriting the eclass, set CABAL_FEATURES to |
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# reflect the tools and features that the package makes |
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# use of. |
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# |
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# Currently supported features: |
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# haddock -- for documentation generation |
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# hscolour -- generation of colourised sources |
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# alex -- lexer/scanner generator |
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# happy -- parser generator |
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# c2hs -- C interface generator |
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# cpphs -- C preprocessor clone written in Haskell |
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# profile -- if package supports to build profiling-enabled libraries |
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# bootstrap -- only used for the cabal package itself |
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# bin -- the package installs binaries |
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# lib -- the package installs libraries |
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# nocabaldep -- don't add dependency on cabal. |
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# only used for packages that _must_ not pull the dependency |
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# on cabal, but still use this eclass (e.g. haskell-updater). |
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# |
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# Dependencies on other cabal packages have to be specified |
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# correctly. |
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# |
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# Cabal libraries should usually be SLOTted with "${PV}". |
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# |
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# Many Cabal packages require S to be manually set. |
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# |
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# Conforming Cabal packages don't require any function definitions |
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# in the ebuild. |
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# |
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# Special flags to Cabal Configure can now be set by using |
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# CABAL_CONFIGURE_FLAGS |
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|
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inherit ghc-package multilib |
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|
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# @ECLASS-VARIABLE: CABAL_EXTRA_CONFIGURE_FLAGS |
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# @DESCRIPTION: |
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# User-specified additional parameters passed to 'setup configure'. |
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# example: /etc/make.conf: CABAL_EXTRA_CONFIGURE_FLAGS=--enable-shared |
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: ${CABAL_EXTRA_CONFIGURE_FLAGS:=} |
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|
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# @ECLASS-VARIABLE: CABAL_EXTRA_BUILD_FLAGS |
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# @DESCRIPTION: |
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# User-specified additional parameters passed to 'setup build'. |
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# example: /etc/make.conf: CABAL_EXTRA_BUILD_FLAGS=-v |
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: ${CABAL_EXTRA_BUILD_FLAGS:=} |
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|
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# @ECLASS-VARIABLE: GHC_BOOTSTRAP_FLAGS |
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# @DESCRIPTION: |
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# User-specified additional parameters for ghc when building |
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# _only_ 'setup' binary bootstrap. |
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# example: /etc/make.conf: GHC_BOOTSTRAP_FLAGS=-dynamic to make |
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# linking 'setup' faster. |
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: ${GHC_BOOTSTRAP_FLAGS:=} |
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|
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HASKELL_CABAL_EXPF="pkg_setup src_compile src_test src_install" |
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|
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case "${EAPI:-0}" in |
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2|3|4) HASKELL_CABAL_EXPF+=" src_configure" ;; |
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*) ;; |
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esac |
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|
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EXPORT_FUNCTIONS ${HASKELL_CABAL_EXPF} |
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|
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for feature in ${CABAL_FEATURES}; do |
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case ${feature} in |
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haddock) CABAL_USE_HADDOCK=yes;; |
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hscolour) CABAL_USE_HSCOLOUR=yes;; |
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hoogle) CABAL_USE_HOOGLE=yes;; |
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alex) CABAL_USE_ALEX=yes;; |
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happy) CABAL_USE_HAPPY=yes;; |
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c2hs) CABAL_USE_C2HS=yes;; |
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cpphs) CABAL_USE_CPPHS=yes;; |
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profile) CABAL_USE_PROFILE=yes;; |
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bootstrap) CABAL_BOOTSTRAP=yes;; |
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bin) CABAL_HAS_BINARIES=yes;; |
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lib) CABAL_HAS_LIBRARIES=yes;; |
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nocabaldep) CABAL_FROM_GHC=yes;; |
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*) CABAL_UNKNOWN="${CABAL_UNKNOWN} ${feature}";; |
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esac |
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done |
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|
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if [[ -n "${CABAL_USE_HADDOCK}" ]]; then |
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IUSE="${IUSE} doc" |
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# don't require depend on itself to build docs. |
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# ebuild bootstraps docs from just built binary |
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[[ ${CATEGORY}/${PN} = "dev-haskell/haddock" ]] || DEPEND="${DEPEND} doc? ( dev-haskell/haddock )" |
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fi |
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|
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if [[ -n "${CABAL_USE_HSCOLOUR}" ]]; then |
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IUSE="${IUSE} hscolour" |
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DEPEND="${DEPEND} hscolour? ( dev-haskell/hscolour )" |
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fi |
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|
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if [[ -n "${CABAL_USE_ALEX}" ]]; then |
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DEPEND="${DEPEND} dev-haskell/alex" |
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fi |
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|
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if [[ -n "${CABAL_USE_HAPPY}" ]]; then |
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DEPEND="${DEPEND} dev-haskell/happy" |
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fi |
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|
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if [[ -n "${CABAL_USE_C2HS}" ]]; then |
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DEPEND="${DEPEND} dev-haskell/c2hs" |
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fi |
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|
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if [[ -n "${CABAL_USE_CPPHS}" ]]; then |
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DEPEND="${DEPEND} dev-haskell/cpphs" |
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fi |
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|
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if [[ -n "${CABAL_USE_PROFILE}" ]]; then |
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IUSE="${IUSE} profile" |
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fi |
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|
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# We always use a standalone version of Cabal, rather than the one that comes |
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# with GHC. But of course we can't depend on cabal when building cabal itself. |
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if [[ -z ${CABAL_MIN_VERSION} ]]; then |
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CABAL_MIN_VERSION=1.1.4 |
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fi |
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if [[ -z "${CABAL_BOOTSTRAP}" && -z "${CABAL_FROM_GHC}" ]]; then |
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DEPEND="${DEPEND} >=dev-haskell/cabal-${CABAL_MIN_VERSION}" |
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fi |
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|
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# Libraries require GHC to be installed. |
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if [[ -n "${CABAL_HAS_LIBRARIES}" ]]; then |
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RDEPEND="${RDEPEND} dev-lang/ghc" |
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fi |
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|
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# returns the version of cabal currently in use |
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_CABAL_VERSION_CACHE="" |
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cabal-version() { |
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if [[ -z "${_CABAL_VERSION_CACHE}" ]]; then |
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if [[ "${CABAL_BOOTSTRAP}" ]]; then |
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# We're bootstrapping cabal, so the cabal version is the version |
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# of this package itself. |
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_CABAL_VERSION_CACHE="${PV}" |
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elif [[ "${CABAL_FROM_GHC}" ]]; then |
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local cabal_package=$(echo "$(ghc-libdir)"/Cabal-*) |
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# /path/to/ghc/Cabal-${VER} -> ${VER} |
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_CABAL_VERSION_CACHE="${cabal_package/*Cabal-/}" |
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else |
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# We ask portage, not ghc, so that we only pick up |
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# portage-installed cabal versions. |
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_CABAL_VERSION_CACHE="$(ghc-extractportageversion dev-haskell/cabal)" |
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fi |
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fi |
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echo "${_CABAL_VERSION_CACHE}" |
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} |
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|
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cabal-bootstrap() { |
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local setupmodule |
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local cabalpackage |
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if [[ -f "${S}/Setup.lhs" ]]; then |
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setupmodule="${S}/Setup.lhs" |
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else |
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if [[ -f "${S}/Setup.hs" ]]; then |
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setupmodule="${S}/Setup.hs" |
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else |
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die "No Setup.lhs or Setup.hs found" |
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fi |
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fi |
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|
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# We build the setup program using the latest version of |
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# cabal that we have installed |
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if version_is_at_least "6.4" "$(ghc-version)"; then |
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cabalpackage=Cabal-$(cabal-version) |
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else |
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# older ghc's don't support package versioning |
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cabalpackage=Cabal |
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fi |
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einfo "Using cabal-$(cabal-version)." |
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|
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make_setup() { |
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set -- -package "${cabalpackage}" --make "${setupmodule}" \ |
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${GHC_BOOTSTRAP_FLAGS} \ |
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"$@" \ |
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-o setup |
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echo $(ghc-getghc) ${HCFLAGS} "$@" |
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$(ghc-getghc) "$@" |
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} |
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if $(ghc-supports-shared-libraries); then |
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# some custom build systems might use external libraries, |
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# for which we don't have shared libs, so keep static fallback |
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make_setup -dynamic "$@" || make_setup "$@" || die "compiling ${setupmodule} failed" |
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else |
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make_setup "$@" || die "compiling ${setupmodule} failed" |
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fi |
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} |
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|
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cabal-mksetup() { |
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local setupdir |
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|
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if [[ -n $1 ]]; then |
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setupdir=$1 |
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else |
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setupdir=${S} |
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fi |
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|
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rm -f "${setupdir}"/Setup.{lhs,hs} |
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|
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echo 'import Distribution.Simple; main = defaultMainWithHooks defaultUserHooks' \ |
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> $setupdir/Setup.hs |
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} |
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|
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cabal-hscolour() { |
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set -- hscolour "$@" |
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echo ./setup "$@" |
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./setup "$@" || die "setup hscolour failed" |
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} |
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|
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cabal-haddock() { |
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set -- haddock "$@" |
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echo ./setup "$@" |
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./setup "$@" || die "setup haddock failed" |
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} |
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|
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cabal-hscolour-haddock() { |
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# --hyperlink-source implies calling 'setup hscolour' |
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set -- haddock --hyperlink-source |
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echo ./setup "$@" |
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./setup "$@" --hyperlink-source || die "setup haddock --hyperlink-source failed" |
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} |
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|
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cabal-configure() { |
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has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX= |
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|
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if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then |
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cabalconf="${cabalconf} --with-haddock=${EPREFIX}/usr/bin/haddock" |
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fi |
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if [[ -n "${CABAL_USE_PROFILE}" ]] && use profile; then |
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cabalconf="${cabalconf} --enable-library-profiling" |
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fi |
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if [[ -n "${CABAL_USE_ALEX}" ]]; then |
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cabalconf="${cabalconf} --with-alex=${EPREFIX}/usr/bin/alex" |
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fi |
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|
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if [[ -n "${CABAL_USE_HAPPY}" ]]; then |
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cabalconf="${cabalconf} --with-happy=${EPREFIX}/usr/bin/happy" |
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fi |
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|
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if [[ -n "${CABAL_USE_C2HS}" ]]; then |
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cabalconf="${cabalconf} --with-c2hs=${EPREFIX}/usr/bin/c2hs" |
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fi |
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if [[ -n "${CABAL_USE_CPPHS}" ]]; then |
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cabalconf="${cabalconf} --with-cpphs=${EPREFIX}/usr/bin/cpphs" |
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fi |
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|
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local option |
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for option in ${HCFLAGS} |
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do |
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cabalconf+=" --ghc-option=$option" |
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done |
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|
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# Building GHCi libs on ppc64 causes "TOC overflow". |
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if use ppc64; then |
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cabalconf="${cabalconf} --disable-library-for-ghci" |
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fi |
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|
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# currently cabal does not respect CFLAGS and LDFLAGS on it's own (bug #333217) |
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# so translate LDFLAGS to ghc parameters (without filtering) |
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local flag |
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for flag in $LDFLAGS; do cabalconf="${cabalconf} --ghc-option=-optl$flag"; done |
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|
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if version_is_at_least "1.4" "$(cabal-version)"; then |
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# disable executable stripping for the executables, as portage will |
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# strip by itself, and pre-stripping gives a QA warning. |
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# cabal versions previous to 1.4 does not strip executables, and does |
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# not accept the flag. |
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# this fixes numerous bugs, amongst them; |
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# bug #251881, bug #251882, bug #251884, bug #251886, bug #299494 |
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cabalconf="${cabalconf} --disable-executable-stripping" |
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fi |
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|
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if version_is_at_least "1.2.0" "$(cabal-version)"; then |
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cabalconf="${cabalconf} --docdir=${EPREFIX}/usr/share/doc/${PF}" |
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# As of Cabal 1.2, configure is quite quiet. For diagnostic purposes |
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# it's better if the configure chatter is in the build logs: |
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cabalconf="${cabalconf} --verbose" |
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fi |
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# Note: with Cabal-1.1.6.x we do not have enough control |
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# to put the docs into the right place. They're currently going |
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# into /usr/share/${P}/ghc-x.y/doc/ |
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# rather than /usr/share/doc/${PF}/ |
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# Because we can only set the datadir, not the docdir. |
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|
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# We build shared version of our Cabal where ghc ships it's shared |
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# version of it. We will link ./setup as dynamic binary againt Cabal later. |
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[[ ${CATEGORY}/${PN} == "dev-haskell/cabal" ]] && \ |
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$(ghc-supports-shared-libraries) && \ |
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cabalconf="${cabalconf} --enable-shared" |
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|
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set -- configure \ |
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--ghc --prefix="${EPREFIX}"/usr \ |
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--with-compiler="$(ghc-getghc)" \ |
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--with-hc-pkg="$(ghc-getghcpkg)" \ |
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--prefix="${EPREFIX}"/usr \ |
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--libdir="${EPREFIX}"/usr/$(get_libdir) \ |
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--libsubdir=${P}/ghc-$(ghc-version) \ |
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--datadir="${EPREFIX}"/usr/share/ \ |
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--datasubdir=${P}/ghc-$(ghc-version) \ |
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${cabalconf} \ |
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${CABAL_CONFIGURE_FLAGS} \ |
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${CABAL_EXTRA_CONFIGURE_FLAGS} \ |
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"$@" |
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echo ./setup "$@" |
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./setup "$@" || die "setup configure failed" |
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} |
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|
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cabal-build() { |
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unset LANG LC_ALL LC_MESSAGES |
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set -- build ${CABAL_EXTRA_BUILD_FLAGS} "$@" |
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echo ./setup "$@" |
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./setup "$@" \ |
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|| die "setup build failed" |
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} |
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|
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cabal-copy() { |
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has "${EAPI:-0}" 0 1 2 && ! use prefix && ED=${D} |
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|
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set -- copy --destdir="${D}" "$@" |
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echo ./setup "$@" |
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./setup "$@" || die "setup copy failed" |
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|
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# cabal is a bit eager about creating dirs, |
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# so remove them if they are empty |
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rmdir "${ED}/usr/bin" 2> /dev/null |
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|
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# GHC 6.4 has a bug in get/setPermission and Cabal 1.1.1 has |
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# no workaround. |
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# set the +x permission on executables |
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if [[ -d "${ED}/usr/bin" ]] ; then |
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chmod +x "${ED}/usr/bin/"* |
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fi |
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# TODO: do we still need this? |
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} |
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|
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cabal-pkg() { |
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# This does not actually register since we're using true instead |
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# of ghc-pkg. So it just leaves the .installed-pkg-config and we can |
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# register that ourselves (if it exists). |
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local result |
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local err |
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|
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if [[ -n ${CABAL_HAS_LIBRARIES} ]]; then |
| 358 |
if version_is_at_least "1.2.0" "$(cabal-version)"; then |
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# Newer cabal can generate a package conf for us: |
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./setup register --gen-pkg-config="${T}/${P}.conf" |
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ghc-setup-pkg "${T}/${P}.conf" |
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ghc-install-pkg |
| 363 |
else |
| 364 |
# With older cabal we have to hack it by replacing its ghc-pkg |
| 365 |
# with true and then just picking up the .installed-pkg-config |
| 366 |
# file and registering that ourselves (if it exists). |
| 367 |
sed -i "s|$(ghc-getghcpkg)|$(type -P true)|" .setup-config |
| 368 |
./setup register || die "setup register failed" |
| 369 |
if [[ -f .installed-pkg-config ]]; then |
| 370 |
ghc-setup-pkg .installed-pkg-config |
| 371 |
ghc-install-pkg |
| 372 |
else |
| 373 |
die "setup register has not generated a package configuration file" |
| 374 |
fi |
| 375 |
fi |
| 376 |
fi |
| 377 |
} |
| 378 |
|
| 379 |
# Some cabal libs are bundled along with some versions of ghc |
| 380 |
# eg filepath-1.0 comes with ghc-6.6.1 |
| 381 |
# by putting CABAL_CORE_LIB_GHC_PV="6.6.1" in an ebuild we are declaring that |
| 382 |
# when building with this version of ghc, the ebuild is a dummy that is it will |
| 383 |
# install no files since the package is already included with ghc. |
| 384 |
# However portage still records the dependency and we can upgrade the package |
| 385 |
# to a later one that's not included with ghc. |
| 386 |
# You can also put a space separated list, eg CABAL_CORE_LIB_GHC_PV="6.6 6.6.1". |
| 387 |
cabal-is-dummy-lib() { |
| 388 |
for version in ${CABAL_CORE_LIB_GHC_PV[*]}; do |
| 389 |
[[ "$(ghc-version)" == "$version" ]] && return 0 |
| 390 |
done |
| 391 |
return 1 |
| 392 |
} |
| 393 |
|
| 394 |
# exported function: check if cabal is correctly installed for |
| 395 |
# the currently active ghc (we cannot guarantee this with portage) |
| 396 |
haskell-cabal_pkg_setup() { |
| 397 |
ghc-package_pkg_setup |
| 398 |
if [[ -z "${CABAL_BOOTSTRAP}" && -z "${CABAL_FROM_GHC}" ]] && ! ghc-sanecabal "${CABAL_MIN_VERSION}"; then |
| 399 |
eerror "The package dev-haskell/cabal is not correctly installed for" |
| 400 |
eerror "the currently active version of ghc ($(ghc-version)). Please" |
| 401 |
eerror "run ghc-updater or haskell-updater or re-build dev-haskell/cabal." |
| 402 |
die "cabal is not correctly installed" |
| 403 |
fi |
| 404 |
if [[ -z "${CABAL_HAS_BINARIES}" ]] && [[ -z "${CABAL_HAS_LIBRARIES}" ]]; then |
| 405 |
eerror "QA: Neither bin nor lib are in CABAL_FEATURES." |
| 406 |
fi |
| 407 |
if [[ -n "${CABAL_UNKNOWN}" ]]; then |
| 408 |
ewarn "Unknown entry in CABAL_FEATURES: ${CABAL_UNKNOWN}" |
| 409 |
fi |
| 410 |
if cabal-is-dummy-lib; then |
| 411 |
einfo "${P} is included in ghc-${CABAL_CORE_LIB_GHC_PV}, nothing to install." |
| 412 |
fi |
| 413 |
} |
| 414 |
|
| 415 |
haskell-cabal_src_configure() { |
| 416 |
if ! cabal-is-dummy-lib; then |
| 417 |
pushd "${S}" > /dev/null |
| 418 |
|
| 419 |
cabal-bootstrap |
| 420 |
|
| 421 |
cabal-configure "$@" |
| 422 |
|
| 423 |
popd > /dev/null |
| 424 |
fi |
| 425 |
} |
| 426 |
|
| 427 |
# exported function: nice alias |
| 428 |
cabal_src_configure() { |
| 429 |
haskell-cabal_src_configure "$@" |
| 430 |
} |
| 431 |
|
| 432 |
# exported function: cabal-style bootstrap configure and compile |
| 433 |
cabal_src_compile() { |
| 434 |
# it's a common mistake when one bumps ebuild to EAPI="2" (and upper) |
| 435 |
# and forgets to separate src_compile() to src_configure()/src_compile(). |
| 436 |
# Such error leads to default src_configure and we lose all passed flags. |
| 437 |
if ! has "${EAPI:-0}" 0 1; then |
| 438 |
local passed_flag |
| 439 |
for passed_flag in "$@"; do |
| 440 |
[[ ${passed_flag} == --flags=* ]] && \ |
| 441 |
eqawarn "Cabal option '${passed_flag}' has effect only in src_configure()" |
| 442 |
done |
| 443 |
fi |
| 444 |
|
| 445 |
if ! cabal-is-dummy-lib; then |
| 446 |
has src_configure ${HASKELL_CABAL_EXPF} || haskell-cabal_src_configure "$@" |
| 447 |
cabal-build |
| 448 |
|
| 449 |
if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then |
| 450 |
if [[ -n "${CABAL_USE_HSCOLOUR}" ]] && use hscolour; then |
| 451 |
# hscolour and haddock |
| 452 |
cabal-hscolour-haddock |
| 453 |
else |
| 454 |
# just haddock |
| 455 |
cabal-haddock |
| 456 |
fi |
| 457 |
else |
| 458 |
if [[ -n "${CABAL_USE_HSCOLOUR}" ]] && use hscolour; then |
| 459 |
# just hscolour |
| 460 |
cabal-hscolour |
| 461 |
fi |
| 462 |
fi |
| 463 |
fi |
| 464 |
} |
| 465 |
|
| 466 |
haskell-cabal_src_compile() { |
| 467 |
pushd "${S}" > /dev/null |
| 468 |
|
| 469 |
cabal_src_compile "$@" |
| 470 |
|
| 471 |
popd > /dev/null |
| 472 |
} |
| 473 |
|
| 474 |
haskell-cabal_src_test() { |
| 475 |
pushd "${S}" > /dev/null |
| 476 |
|
| 477 |
if cabal-is-dummy-lib; then |
| 478 |
einfo ">>> No tests for dummy library: ${CATEGORY}/${PF}" |
| 479 |
else |
| 480 |
einfo ">>> Test phase [cabal test]: ${CATEGORY}/${PF}" |
| 481 |
set -- test "$@" |
| 482 |
echo ./setup "$@" |
| 483 |
./setup "$@" || die "cabal test failed" |
| 484 |
fi |
| 485 |
|
| 486 |
popd > /dev/null |
| 487 |
} |
| 488 |
|
| 489 |
# exported function: cabal-style copy and register |
| 490 |
cabal_src_install() { |
| 491 |
has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX= |
| 492 |
|
| 493 |
if cabal-is-dummy-lib; then |
| 494 |
# create a dummy local package conf file for the sake of ghc-updater |
| 495 |
local ghc_confdir_with_prefix="$(ghc-confdir)" |
| 496 |
# remove EPREFIX |
| 497 |
dodir ${ghc_confdir_with_prefix#${EPREFIX}} |
| 498 |
echo '[]' > "${D}/$(ghc-confdir)/$(ghc-localpkgconf)" |
| 499 |
else |
| 500 |
cabal-copy |
| 501 |
cabal-pkg |
| 502 |
|
| 503 |
if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then |
| 504 |
if ! version_is_at_least "1.1.6" "$(cabal-version)"; then |
| 505 |
dohtml -r dist/doc/html/* |
| 506 |
fi |
| 507 |
fi |
| 508 |
fi |
| 509 |
} |
| 510 |
|
| 511 |
haskell-cabal_src_install() { |
| 512 |
pushd "${S}" > /dev/null |
| 513 |
|
| 514 |
cabal_src_install |
| 515 |
|
| 516 |
popd > /dev/null |
| 517 |
} |
| 518 |
|
| 519 |
# ebuild.sh:use_enable() taken as base |
| 520 |
# |
| 521 |
# Usage examples: |
| 522 |
# |
| 523 |
# CABAL_CONFIGURE_FLAGS=$(cabal_flag gui) |
| 524 |
# leads to "--flags=gui" or "--flags=-gui" (useflag 'gui') |
| 525 |
# |
| 526 |
# CABAL_CONFIGURE_FLAGS=$(cabal_flag gtk gui) |
| 527 |
# also leads to "--flags=gui" or " --flags=-gui" (useflag 'gtk') |
| 528 |
# |
| 529 |
cabal_flag() { |
| 530 |
if [[ -z "$1" ]]; then |
| 531 |
echo "!!! cabal_flag() called without a parameter." >&2 |
| 532 |
echo "!!! cabal_flag() <USEFLAG> [<cabal_flagname>]" >&2 |
| 533 |
return 1 |
| 534 |
fi |
| 535 |
|
| 536 |
local UWORD=${2:-$1} |
| 537 |
|
| 538 |
if use "$1"; then |
| 539 |
echo "--flags=${UWORD}" |
| 540 |
else |
| 541 |
echo "--flags=-${UWORD}" |
| 542 |
fi |
| 543 |
|
| 544 |
return 0 |
| 545 |
} |
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