Signed-off-by: Sergei Trofimovich <sly...@gentoo.org> --- eclass/haskell-cabal.eclass | 20 +++++++++++--------- 1 file changed, 11 insertions(+), 9 deletions(-)
diff --git a/eclass/haskell-cabal.eclass b/eclass/haskell-cabal.eclass index f7a6d35e610..a858ddea3ec 100644 --- a/eclass/haskell-cabal.eclass +++ b/eclass/haskell-cabal.eclass @@ -1,757 +1,759 @@ # Copyright 1999-2021 Gentoo Authors # Distributed under the terms of the GNU General Public License v2 # @ECLASS: haskell-cabal.eclass # @MAINTAINER: # Haskell herd <hask...@gentoo.org> -# @SUPPORTED_EAPIS: 6 7 +# @SUPPORTED_EAPIS: 6 7 8 # @AUTHOR: # Original author: Andres Loeh <kosmi...@gentoo.org> # Original author: Duncan Coutts <dcou...@gentoo.org> # @BLURB: for packages that make use of the Haskell Common Architecture for Building Applications and Libraries (cabal) # @DESCRIPTION: # Basic instructions: # # Before inheriting the eclass, set CABAL_FEATURES to # reflect the tools and features that the package makes # use of. # # Currently supported features: # haddock -- for documentation generation # hscolour -- generation of colourised sources # hoogle -- generation of documentation search index # profile -- if package supports to build profiling-enabled libraries # bootstrap -- only used for the cabal package itself # lib -- the package installs libraries # nocabaldep -- don't add dependency on cabal. # only used for packages that _must_ not pull the dependency # on cabal, but still use this eclass (e.g. haskell-updater). # ghcdeps -- constraint dependency on package to ghc onces # only used for packages that use libghc internally and _must_ # not pull upper versions # test-suite -- add support for cabal test-suites (introduced in Cabal-1.8) # rebuild-after-doc-workaround -- enable doctest test failue workaround. # Symptom: when `./setup haddock` is run in a `build-type: Custom` # package it might cause cause the test-suite to fail with # errors like: # > <command line>: cannot satisfy -package-id singletons-2.7-3Z7pnljD8tU1NrslJodXmr # Workaround re-reginsters the package to avoid the failure # (and rebuilds changes). # FEATURE can be removed once https://github.com/haskell/cabal/issues/7213 # is fixed. -inherit eutils ghc-package multilib toolchain-funcs +case "${EAPI:-0}" in + # eutils is for eqawarn + 6|7) inherit eutils ;; + 8) ;; + *) die "EAPI ${EAPI} unsupported." ;; +esac + +inherit ghc-package multilib toolchain-funcs + +EXPORT_FUNCTIONS pkg_setup src_configure src_compile src_test src_install pkg_postinst pkg_postrm # @ECLASS-VARIABLE: CABAL_EXTRA_CONFIGURE_FLAGS # @USER_VARIABLE # @DESCRIPTION: # User-specified additional parameters passed to 'setup configure'. # example: /etc/portage/make.conf: # CABAL_EXTRA_CONFIGURE_FLAGS="--enable-shared --enable-executable-dynamic" : ${CABAL_EXTRA_CONFIGURE_FLAGS:=} # @ECLASS-VARIABLE: CABAL_EXTRA_BUILD_FLAGS # @USER_VARIABLE # @DESCRIPTION: # User-specified additional parameters passed to 'setup build'. # example: /etc/portage/make.conf: CABAL_EXTRA_BUILD_FLAGS=-v : ${CABAL_EXTRA_BUILD_FLAGS:=} # @ECLASS-VARIABLE: GHC_BOOTSTRAP_FLAGS # @USER_VARIABLE # @DESCRIPTION: # User-specified additional parameters for ghc when building # _only_ 'setup' binary bootstrap. # example: /etc/portage/make.conf: GHC_BOOTSTRAP_FLAGS=-dynamic to make # linking 'setup' faster. : ${GHC_BOOTSTRAP_FLAGS:=} # @ECLASS-VARIABLE: CABAL_EXTRA_HADDOCK_FLAGS # @USER_VARIABLE # @DESCRIPTION: # User-specified additional parameters passed to 'setup haddock'. # example: /etc/portage/make.conf: # CABAL_EXTRA_HADDOCK_FLAGS="--haddock-options=--latex --haddock-options=--pretty-html" : ${CABAL_EXTRA_HADDOCK_FLAGS:=} # @ECLASS-VARIABLE: CABAL_EXTRA_HOOGLE_FLAGS # @USER_VARIABLE # @DESCRIPTION: # User-specified additional parameters passed to 'setup haddock --hoogle'. # example: /etc/portage/make.conf: # CABAL_EXTRA_HOOGLE_FLAGS="--haddock-options=--show-all" : ${CABAL_EXTRA_HOOGLE_FLAGS:=} # @ECLASS-VARIABLE: CABAL_EXTRA_HSCOLOUR_FLAGS # @USER_VARIABLE # @DESCRIPTION: # User-specified additional parameters passed to 'setup hscolour'. # example: /etc/portage/make.conf: # CABAL_EXTRA_HSCOLOUR_FLAGS="--executables --tests" : ${CABAL_EXTRA_HSCOLOUR_FLAGS:=} # @ECLASS-VARIABLE: CABAL_EXTRA_TEST_FLAGS # @USER_VARIABLE # @DESCRIPTION: # User-specified additional parameters passed to 'setup test'. # example: /etc/portage/make.conf: # CABAL_EXTRA_TEST_FLAGS="-v3 --show-details=streaming" : ${CABAL_EXTRA_TEST_FLAGS:=} # @ECLASS-VARIABLE: CABAL_DEBUG_LOOSENING # @DESCRIPTION: # Show debug output for 'cabal_chdeps' function if set. # Needs working 'diff'. : ${CABAL_DEBUG_LOOSENING:=} # @ECLASS-VARIABLE: CABAL_REPORT_OTHER_BROKEN_PACKAGES # @DESCRIPTION: # Show other broken packages if 'cabal configure' fails. # It should be normally enabled unless you know you are about # to try to compile a lot of broken packages. Default value: 'yes' # Set to anything else to disable. : ${CABAL_REPORT_OTHER_BROKEN_PACKAGES:=yes} # 'dev-haskell/cabal' passes those options with ./configure-based # configuration, but most packages don't need/don't accept it: # #515362, #515362 QA_CONFIGURE_OPTIONS+=" --with-compiler --with-hc --with-hc-pkg --with-gcc" -case "${EAPI:-0}" in - 6|7) ;; - *) die "EAPI ${EAPI} unsupported." ;; -esac - -EXPORT_FUNCTIONS pkg_setup src_configure src_compile src_test src_install pkg_postinst pkg_postrm - for feature in ${CABAL_FEATURES}; do case ${feature} in haddock) CABAL_USE_HADDOCK=yes;; hscolour) CABAL_USE_HSCOLOUR=yes;; hoogle) CABAL_USE_HOOGLE=yes;; profile) CABAL_USE_PROFILE=yes;; bootstrap) CABAL_BOOTSTRAP=yes;; lib) CABAL_HAS_LIBRARIES=yes;; nocabaldep) CABAL_FROM_GHC=yes;; ghcdeps) CABAL_GHC_CONSTRAINT=yes;; test-suite) CABAL_TEST_SUITE=yes;; rebuild-after-doc-workaround) CABAL_REBUILD_AFTER_DOC_WORKAROUND=yes;; *) CABAL_UNKNOWN="${CABAL_UNKNOWN} ${feature}";; esac done if [[ -n "${CABAL_USE_HADDOCK}" ]]; then IUSE="${IUSE} doc" fi if [[ -n "${CABAL_USE_HSCOLOUR}" ]]; then IUSE="${IUSE} hscolour" DEPEND="${DEPEND} hscolour? ( dev-haskell/hscolour )" fi if [[ -n "${CABAL_USE_HOOGLE}" ]]; then # enabled only in ::haskell #IUSE="${IUSE} hoogle" CABAL_USE_HOOGLE= fi if [[ -n "${CABAL_USE_PROFILE}" ]]; then IUSE="${IUSE} profile" fi if [[ -n "${CABAL_TEST_SUITE}" ]]; then IUSE="${IUSE} test" RESTRICT+=" !test? ( test )" fi # returns the version of cabal currently in use. # Rarely it's handy to pin cabal version from outside. : ${_CABAL_VERSION_CACHE:=""} cabal-version() { if [[ -z "${_CABAL_VERSION_CACHE}" ]]; then if [[ "${CABAL_BOOTSTRAP}" ]]; then # We're bootstrapping cabal, so the cabal version is the version # of this package itself. _CABAL_VERSION_CACHE="${PV}" elif [[ "${CABAL_FROM_GHC}" ]]; then _CABAL_VERSION_CACHE="$(ghc-cabal-version)" else # We ask portage, not ghc, so that we only pick up # portage-installed cabal versions. _CABAL_VERSION_CACHE="$(ghc-extractportageversion dev-haskell/cabal)" fi fi echo "${_CABAL_VERSION_CACHE}" } cabal-bootstrap() { local setupmodule local cabalpackage local setup_bootstrap_args=() if [[ -f "${S}/Setup.lhs" ]]; then setupmodule="${S}/Setup.lhs" elif [[ -f "${S}/Setup.hs" ]]; then setupmodule="${S}/Setup.hs" else eqawarn "No Setup.lhs or Setup.hs found. Either add Setup.hs to package or call cabal-mksetup from ebuild" cabal-mksetup setupmodule="${S}/Setup.hs" fi # We build the setup program using the latest version of # cabal that we have installed cabalpackage=Cabal-$(cabal-version) einfo "Using cabal-$(cabal-version)." if $(ghc-supports-threaded-runtime); then # Cabal has a bug that deadlocks non-threaded RTS: # https://bugs.gentoo.org/537500 # https://github.com/haskell/cabal/issues/2398 setup_bootstrap_args+=(-threaded) fi make_setup() { set -- -package "${cabalpackage}" --make "${setupmodule}" \ $(ghc-make-args) \ "${setup_bootstrap_args[@]}" \ ${HCFLAGS} \ ${GHC_BOOTSTRAP_FLAGS} \ "$@" \ -o setup echo $(ghc-getghc) "$@" $(ghc-getghc) "$@" } if $(ghc-supports-shared-libraries); then # # some custom build systems might use external libraries, # # for which we don't have shared libs, so keep static fallback # bug #411789, http://hackage.haskell.org/trac/ghc/ticket/5743#comment:3 # http://hackage.haskell.org/trac/ghc/ticket/7062 # http://hackage.haskell.org/trac/ghc/ticket/3072 # ghc does not set RPATH for extralibs, thus we do it ourselves by hands einfo "Prepending $(ghc-libdir) to LD_LIBRARY_PATH" if [[ ${CHOST} != *-darwin* ]]; then LD_LIBRARY_PATH="$(ghc-libdir)${LD_LIBRARY_PATH:+:}${LD_LIBRARY_PATH}" export LD_LIBRARY_PATH else DYLD_LIBRARY_PATH="$(ghc-libdir)${DYLD_LIBRARY_PATH:+:}${DYLD_LIBRARY_PATH}" export DYLD_LIBRARY_PATH fi { make_setup -dynamic "$@" && ./setup --help >/dev/null; } || make_setup "$@" || die "compiling ${setupmodule} failed" else make_setup "$@" || die "compiling ${setupmodule} failed" fi } cabal-mksetup() { local setupdir=${1:-${S}} local setup_src=${setupdir}/Setup.hs rm -vf "${setupdir}"/Setup.{lhs,hs} elog "Creating 'Setup.hs' for 'Simple' build type." echo 'import Distribution.Simple; main = defaultMain' \ > "${setup_src}" || die "failed to create default Setup.hs" } haskell-cabal-run_verbose() { echo "$@" "$@" || die "failed: $@" } cabal-hscolour() { haskell-cabal-run_verbose ./setup hscolour "$@" } cabal-haddock() { haskell-cabal-run_verbose ./setup haddock "$@" } cabal-die-if-nonempty() { local breakage_type=$1 shift [[ "${#@}" == 0 ]] && return 0 eerror "Detected ${breakage_type} packages: ${@}" die "//==-- Please, run 'haskell-updater' to fix ${breakage_type} packages --==//" } cabal-show-brokens() { [[ ${CABAL_REPORT_OTHER_BROKEN_PACKAGES} != yes ]] && return 0 elog "ghc-pkg check: 'checking for other broken packages:'" # pretty-printer $(ghc-getghcpkg) check 2>&1 \ | egrep -v '^Warning: haddock-(html|interfaces): ' \ | egrep -v '^Warning: include-dirs: ' \ | head -n 20 cabal-die-if-nonempty 'broken' \ $($(ghc-getghcpkg) check --simple-output) } cabal-show-old() { [[ ${CABAL_REPORT_OTHER_BROKEN_PACKAGES} != yes ]] && return 0 cabal-die-if-nonempty 'outdated' \ $("${EPREFIX}"/usr/sbin/haskell-updater --quiet --upgrade --list-only) } cabal-show-brokens-and-die() { cabal-show-brokens cabal-show-old die "$@" } cabal-configure() { local cabalconf=() if [[ -n "${CABAL_USE_HADDOCK}" ]] && use doc; then # We use the bundled with GHC version if exists # Haddock is very picky about index files # it generates for ghc's base and other packages. local p=${EPREFIX}/usr/bin/haddock-ghc-$(ghc-version) if [[ -f $p ]]; then cabalconf+=(--with-haddock="${p}") else cabalconf+=(--with-haddock=${EPREFIX}/usr/bin/haddock) fi fi if [[ -n "${CABAL_USE_PROFILE}" ]] && use profile; then cabalconf+=(--enable-library-profiling) fi if [[ -n "${CABAL_TEST_SUITE}" ]]; then cabalconf+=($(use_enable test tests)) fi if [[ -n "${CABAL_GHC_CONSTRAINT}" ]]; then cabalconf+=($(cabal-constraint "ghc")) fi cabalconf+=(--ghc-options="$(ghc-make-args)") local option for option in ${HCFLAGS} do cabalconf+=(--ghc-option="$option") done # toolchain cabalconf+=(--with-ar="$(tc-getAR)") # Building GHCi libs on ppc64 causes "TOC overflow". if use ppc64; then cabalconf+=(--disable-library-for-ghci) fi # currently cabal does not respect CFLAGS and LDFLAGS on it's own (bug #333217) # so translate LDFLAGS to ghc parameters (with mild filtering). local flag for flag in $CFLAGS; do case "${flag}" in -flto|-flto=*) # binutils does not support partial linking yet: # https://github.com/gentoo-haskell/gentoo-haskell/issues/1110 # https://sourceware.org/PR12291 einfo "Filter '${flag}' out of CFLAGS (avoid lto partial linking)" continue ;; esac cabalconf+=(--ghc-option="-optc$flag") done for flag in $LDFLAGS; do case "${flag}" in -flto|-flto=*) # binutils does not support partial linking yet: # https://github.com/gentoo-haskell/gentoo-haskell/issues/1110 # https://sourceware.org/PR12291 einfo "Filter '${flag}' out of LDFLAGS (avoid lto partial linking)" continue ;; esac cabalconf+=(--ghc-option="-optl$flag") done # disable executable stripping for the executables, as portage will # strip by itself, and pre-stripping gives a QA warning. # cabal versions previous to 1.4 does not strip executables, and does # not accept the flag. # this fixes numerous bugs, amongst them; # bug #251881, bug #251882, bug #251884, bug #251886, bug #299494 cabalconf+=(--disable-executable-stripping) cabalconf+=(--docdir="${EPREFIX}"/usr/share/doc/${PF}) # As of Cabal 1.2, configure is quite quiet. For diagnostic purposes # it's better if the configure chatter is in the build logs: cabalconf+=(--verbose) # We build shared version of our Cabal where ghc ships it's shared # version of it. We will link ./setup as dynamic binary againt Cabal later. [[ ${CATEGORY}/${PN} == "dev-haskell/cabal" ]] && \ $(ghc-supports-shared-libraries) && \ cabalconf+=(--enable-shared) if $(ghc-supports-shared-libraries); then # Experimental support for dynamically linked binaries. # We are enabling it since 7.10.1_rc3 if ver_test "$(ghc-version)" -ge "7.10.0.20150316"; then # we didn't enable it before as it was not stable on all arches cabalconf+=(--enable-shared) # Known to break on ghc-7.8/Cabal-1.18 # https://ghc.haskell.org/trac/ghc/ticket/9625 cabalconf+=(--enable-executable-dynamic) fi fi # --sysconfdir appeared in Cabal-1.18+ if ./setup configure --help | grep -q -- --sysconfdir; then cabalconf+=(--sysconfdir="${EPREFIX}"/etc) fi # appeared in Cabal-1.18+ (see '--disable-executable-stripping') if ./setup configure --help | grep -q -- --disable-library-stripping; then cabalconf+=(--disable-library-stripping) fi set -- configure \ --ghc --prefix="${EPREFIX}"/usr \ --with-compiler="$(ghc-getghc)" \ --with-hc-pkg="$(ghc-getghcpkg)" \ --prefix="${EPREFIX}"/usr \ --libdir="${EPREFIX}"/usr/$(get_libdir) \ --libsubdir=${P}/ghc-$(ghc-version) \ --datadir="${EPREFIX}"/usr/share/ \ --datasubdir=${P}/ghc-$(ghc-version) \ "${cabalconf[@]}" \ ${CABAL_CONFIGURE_FLAGS} \ "$@" \ ${CABAL_EXTRA_CONFIGURE_FLAGS} echo ./setup "$@" ./setup "$@" || cabal-show-brokens-and-die "setup configure failed" } cabal-build() { set -- build "$@" ${CABAL_EXTRA_BUILD_FLAGS} echo ./setup "$@" ./setup "$@" \ || die "setup build failed" } cabal-copy() { set -- copy --destdir="${D}" "$@" echo ./setup "$@" ./setup "$@" || die "setup copy failed" # cabal is a bit eager about creating dirs, # so remove them if they are empty rmdir "${ED}/usr/bin" 2> /dev/null } cabal-pkg() { # This does not actually register since we're using true instead # of ghc-pkg. So it just leaves the .conf file and we can # register that ourselves (if it exists). if [[ -n ${CABAL_HAS_LIBRARIES} ]]; then # Newer cabal can generate a package conf for us: ./setup register --gen-pkg-config="${T}/${P}.conf" if [[ -d "${T}/${P}.conf" ]]; then ghc-install-pkg "${T}/${P}.conf"/* else ghc-install-pkg "${T}/${P}.conf" fi fi } # Some cabal libs are bundled along with some versions of ghc # eg filepath-1.0 comes with ghc-6.6.1 # by putting CABAL_CORE_LIB_GHC_PV="6.6.1" in an ebuild we are declaring that # when building with this version of ghc, the ebuild is a dummy that is it will # install no files since the package is already included with ghc. # However portage still records the dependency and we can upgrade the package # to a later one that's not included with ghc. # You can also put a space separated list, eg CABAL_CORE_LIB_GHC_PV="6.6 6.6.1". # Those versions are taken as-is from ghc `--numeric-version`. # Package manager versions are also supported: # CABAL_CORE_LIB_GHC_PV="7.10.* PM:7.8.4-r1". cabal-is-dummy-lib() { local bin_ghc_version=$(ghc-version) local pm_ghc_version=$(ghc-pm-version) for version in ${CABAL_CORE_LIB_GHC_PV}; do [[ "${bin_ghc_version}" == ${version} ]] && return 0 [[ "${pm_ghc_version}" == ${version} ]] && return 0 done return 1 } # exported function: check if cabal is correctly installed for # the currently active ghc (we cannot guarantee this with portage) haskell-cabal_pkg_setup() { if [[ -n ${CABAL_HAS_LIBRARIES} ]]; then [[ ${RDEPEND} == *dev-lang/ghc* ]] || eqawarn "QA Notice: A library does not have runtime dependency on dev-lang/ghc." fi if [[ -n "${CABAL_UNKNOWN}" ]]; then eqawarn "QA Notice: Unknown entry in CABAL_FEATURES: ${CABAL_UNKNOWN}" fi if cabal-is-dummy-lib; then einfo "${P} is included in ghc-${CABAL_CORE_LIB_GHC_PV}, nothing to install." fi } haskell-cabal_src_configure() { cabal-is-dummy-lib && return pushd "${S}" > /dev/null || die cabal-bootstrap cabal-configure "$@" popd > /dev/null || die } # exported function: nice alias cabal_src_configure() { haskell-cabal_src_configure "$@" } # exported function: cabal-style bootstrap configure and compile cabal_src_compile() { cabal-is-dummy-lib && return cabal-build if [[ -n "$CABAL_USE_HADDOCK" ]] && use doc; then if [[ -n "$CABAL_USE_HSCOLOUR" ]] && use hscolour; then # --hyperlink-source implies calling 'setup hscolour' haddock_args+=(--hyperlink-source) fi cabal-haddock "${haddock_args[@]}" $CABAL_EXTRA_HADDOCK_FLAGS if [[ -n "$CABAL_USE_HOOGLE" ]] && use hoogle; then cabal-haddock --hoogle $CABAL_EXTRA_HOOGLE_FLAGS fi if [[ -n "${CABAL_REBUILD_AFTER_DOC_WORKAROUND}" ]]; then ewarn "rebuild-after-doc-workaround is enabled. This is a" ewarn "temporary worakround to deal with https://github.com/haskell/cabal/issues/7213"; ewarn "until the upstream issue can be resolved." cabal-build fi else if [[ -n "$CABAL_USE_HSCOLOUR" ]] && use hscolour; then cabal-hscolour $CABAL_EXTRA_HSCOLOUR_FLAGS fi if [[ -n "$CABAL_USE_HOOGLE" ]] && use hoogle; then ewarn "hoogle USE flag requires doc USE flag, building without hoogle" fi fi } haskell-cabal_src_compile() { pushd "${S}" > /dev/null || die cabal_src_compile "$@" popd > /dev/null || die } haskell-cabal_src_test() { local cabaltest=() pushd "${S}" > /dev/null || die if cabal-is-dummy-lib; then einfo ">>> No tests for dummy library: ${CATEGORY}/${PF}" else einfo ">>> Test phase [cabal test]: ${CATEGORY}/${PF}" # '--show-details=streaming' appeared in Cabal-1.20 if ./setup test --help | grep -q -- "'streaming'"; then cabaltest+=(--show-details=streaming) fi set -- test \ "${cabaltest[@]}" \ ${CABAL_TEST_FLAGS} \ "$@" \ ${CABAL_EXTRA_TEST_FLAGS} echo ./setup "$@" ./setup "$@" || die "cabal test failed" fi popd > /dev/null || die } # exported function: cabal-style copy and register cabal_src_install() { if ! cabal-is-dummy-lib; then cabal-copy cabal-pkg fi # create a dummy local package conf file for haskell-updater # if it does not exist (dummy libraries and binaries w/o libraries) local ghc_confdir_with_prefix="$(ghc-confdir)" # remove EPREFIX dodir ${ghc_confdir_with_prefix#${EPREFIX}} local hint_db="${D}/$(ghc-confdir)" local hint_file="${hint_db}/gentoo-empty-${CATEGORY}-${PF}.conf" mkdir -p "${hint_db}" || die touch "${hint_file}" || die } haskell-cabal_src_install() { pushd "${S}" > /dev/null || die cabal_src_install popd > /dev/null || die } haskell-cabal_pkg_postinst() { ghc-package_pkg_postinst } haskell-cabal_pkg_postrm() { ghc-package_pkg_postrm } # @FUNCTION: cabal_flag # @DESCRIPTION: # ebuild.sh:use_enable() taken as base # # Usage examples: # # CABAL_CONFIGURE_FLAGS=$(cabal_flag gui) # leads to "--flags=gui" or "--flags=-gui" (useflag 'gui') # # CABAL_CONFIGURE_FLAGS=$(cabal_flag gtk gui) # also leads to "--flags=gui" or " --flags=-gui" (useflag 'gtk') # cabal_flag() { if [[ -z "$1" ]]; then echo "!!! cabal_flag() called without a parameter." >&2 echo "!!! cabal_flag() <USEFLAG> [<cabal_flagname>]" >&2 return 1 fi local UWORD=${2:-$1} if use "$1"; then echo "--flags=${UWORD}" else echo "--flags=-${UWORD}" fi return 0 } # @FUNCTION: cabal_chdeps # @DESCRIPTION: # Allows easier patching of $CABAL_FILE (${S}/${PN}.cabal by default) # depends # # Accepts argument list as pairs of substitutions: <from-string> <to-string>... # # Dies on error. # # Usage examples: # # src_prepare() { # cabal_chdeps \ # 'base >= 4.2 && < 4.6' 'base >= 4.2 && < 4.7' \ # 'containers ==0.4.*' 'containers >= 0.4 && < 0.6' #} # or # src_prepare() { # CABAL_FILE=${S}/${MY_PN}.cabal cabal_chdeps \ # 'base >= 4.2 && < 4.6' 'base >= 4.2 && < 4.7' # CABAL_FILE=${S}/${MY_PN}-tools.cabal cabal_chdeps \ # 'base == 3.*' 'base >= 4.2 && < 4.7' #} # cabal_chdeps() { local cabal_fn=${MY_PN:-${PN}}.cabal local cf=${CABAL_FILE:-${S}/${cabal_fn}} local from_ss # ss - substring local to_ss local orig_c # c - contents local new_c [[ -f $cf ]] || die "cabal file '$cf' does not exist" orig_c=$(< "$cf") while :; do from_pat=$1 to_str=$2 [[ -n ${from_pat} ]] || break [[ -n ${to_str} ]] || die "'${from_str}' does not have 'to' part" einfo "CHDEP: '${from_pat}' -> '${to_str}'" # escape pattern-like symbols from_pat=${from_pat//\*/\\*} from_pat=${from_pat//\[/\\[} new_c=${orig_c//${from_pat}/${to_str}} if [[ -n $CABAL_DEBUG_LOOSENING ]]; then echo "${orig_c}" >"${T}/${cf}".pre echo "${new_c}" >"${T}/${cf}".post diff -u "${T}/${cf}".{pre,post} fi [[ "${orig_c}" == "${new_c}" ]] && die "no trigger for '${from_pat}'" orig_c=${new_c} shift shift done echo "${new_c}" > "$cf" || die "failed to update" } # @FUNCTION: cabal-constraint # @DESCRIPTION: # Allowes to set contraint to the libraries that are # used by specified package cabal-constraint() { while read p v ; do echo "--constraint \"$p == $v\"" done < $(ghc-pkgdeps ${1}) } # @FUNCTION: replace-hcflags # @USAGE: <old> <new> # @DESCRIPTION: # Replace the <old> flag with <new> in HCFLAGS. Accepts shell globs for <old>. # The implementation is picked from flag-o-matic.eclass:replace-flags() replace-hcflags() { [[ $# != 2 ]] && die "Usage: replace-hcflags <old flag> <new flag>" local f new=() for f in ${HCFLAGS} ; do # Note this should work with globs like -O* if [[ ${f} == ${1} ]]; then einfo "HCFLAGS: replacing '${f}' to '${2}'" f=${2} fi new+=( "${f}" ) done export HCFLAGS="${new[*]}" return 0 } -- 2.32.0
