diff options
Diffstat (limited to 'eclass/haskell-cabal.eclass')
| -rw-r--r-- | eclass/haskell-cabal.eclass | 30 |
1 files changed, 28 insertions, 2 deletions
diff --git a/eclass/haskell-cabal.eclass b/eclass/haskell-cabal.eclass index 7895d9256eba..bb73c0e4881d 100644 --- a/eclass/haskell-cabal.eclass +++ b/eclass/haskell-cabal.eclass @@ -1,4 +1,4 @@ -# Copyright 1999-2023 Gentoo Authors +# Copyright 1999-2025 Gentoo Authors # Distributed under the terms of the GNU General Public License v2 # @ECLASS: haskell-cabal.eclass @@ -342,7 +342,7 @@ cabal-bootstrap() { 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" + eqawarn "QA Notice: 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 @@ -661,6 +661,23 @@ cabal-is-dummy-lib() { return 1 } +# @FUNCTION: cabal-check-cache +# @DESCRIPTION: +# Check the state of the GHC cache by running 'ghc-pkg check' and looking +# for the string "WARNING: cache is out of date". If the string is not found, +# the cache is considered valid and the function returns 0. If it is found, +# the cache is considered invalid and the function returns 1. +cabal-check-cache() { + if $(ghc-getghcpkg) check 2>&1 \ + | grep -q 'WARNING: cache is out of date' + then + ewarn 'GHC cache is out of date!' + return 1 + else + return 0 + fi +} + # exported function: check if cabal is correctly installed for # the currently active ghc (we cannot guarantee this with portage) haskell-cabal_pkg_setup() { @@ -672,6 +689,13 @@ haskell-cabal_pkg_setup() { fi if cabal-is-dummy-lib; then einfo "${P} is included in ghc-${CABAL_CORE_LIB_GHC_PV}, nothing to install." + else + # bug 916785 + if ! cabal-check-cache; then + # avoid running ghc-recache-db so as not to set _GHC_RECACHE_CALLED + einfo "Recaching GHC package DB" + $(ghc-getghcpkg) recache + fi fi } @@ -711,6 +735,8 @@ haskell-cabal_src_prepare() { } haskell-cabal_src_configure() { + einfo "GHC version: $(ghc-version) $(ghc-pm-version)" + cabal-is-dummy-lib && return pushd "${S}" > /dev/null || die |