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| -rw-r--r-- | eclass/dmd-r1.eclass | 414 |
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diff --git a/eclass/dmd-r1.eclass b/eclass/dmd-r1.eclass new file mode 100644 index 0000000..802e820 --- /dev/null +++ b/eclass/dmd-r1.eclass @@ -0,0 +1,414 @@ +# Copyright 2024 Gentoo Authors +# Distributed under the terms of the GNU General Public License v2 + +# @ECLASS: dmd-r1.eclass +# @MAINTAINER: +# Andrei Horodniceanu <a.horodniceanu@proton.me> +# @AUTHOR: +# Andrei Horodniceanu <a.horodniceanu@proton.me> +# Based on dmd.eclass by Marco Leise <marco.leise@gmx.de>. +# @BUGREPORTS: +# Please report bugs via https://github.com/gentoo/dlang/issues +# @VCSURL: https://github.com/gentoo/dlang +# @SUPPORTED_EAPIS: 8 +# @BLURB: Captures most of the logic for building and installing DMD +# @DESCRIPTION: +# Helps with the maintenance of the various DMD versions by capturing common +# logic. + +if [[ ! ${_ECLASS_ONCE_DMD_R1} ]] ; then +_ECLASS_ONCE_DMD_R1=1 + +case ${EAPI:-0} in + 8) ;; + *) die "${ECLASS}: EAPI ${EAPI:-0} not supported" ;; +esac + +DESCRIPTION="Reference compiler for the D programming language" +HOMEPAGE="https://dlang.org/" + +# DMD supports amd64/x86 exclusively +# @ECLASS_VARIABLE: MULTILIB_COMPAT +# @DESCRIPTION: +# A list of multilib ABIs supported by $PN. It only supports +# abi_x86_{32,64}. See the multilib-build.eclass documentation for this +# variable for more information. +MULTILIB_COMPAT=( abi_x86_{32,64} ) + +inherit desktop edos2unix dlang-single multilib-build multiprocessing optfeature + +LICENSE=Boost-1.0 +SLOT=$(ver_cut 1-2) +readonly MAJOR=$(ver_cut 1) +readonly MINOR=$(ver_cut 2) +readonly PATCH=$(ver_cut 3) +readonly VERSION=$(ver_cut 1-3) +readonly BETA=$(ver_cut 4-) + +# For prereleases, 2.097.0_rc1 -> 2.097.0-rc.1 +MY_VER=$(ver_rs 3 - 4 .) + +DLANG_ORG=https://downloads.dlang.org/${BETA:+pre-}releases/2.x/${VERSION} +SRC_URI=" + https://github.com/dlang/${PN}/archive/refs/tags/v${MY_VER}.tar.gz -> ${PN}-${MY_VER}.tar.gz + https://github.com/dlang/phobos/archive/refs/tags/v${MY_VER}.tar.gz -> phobos-${MY_VER}.tar.gz + selfhost? ( ${DLANG_ORG}/dmd.${MY_VER}.linux.tar.xz ) + doc? ( ${DLANG_ORG}/dmd.${MY_VER}.linux.tar.xz ) +" + +IUSE="doc examples +selfhost static-libs" +REQUIRED_USE="^^ ( selfhost ${DLANG_REQUIRED_USE} )" +IDEPEND=">=app-eselect/eselect-dlang-20140709" +BDEPEND="!selfhost? ( ${DLANG_DEPS} )" +# We don't need anything in DEPEND, curl is dl-opened +# so it belongs in RDEPEND. +#DEPEND= +# Since 2.107.0, dmd links the standard library of the host +# compiler. Since this eclass is only used by >=dmd-2.107.0-r1 the +# dependency is added unconditionally. +RDEPEND=" + ${IDEPEND} + net-misc/curl[${MULTILIB_USEDEP}] + !selfhost? ( ${DLANG_DEPS} ) +" + +dmd-r1_pkg_setup() { + if use !selfhost; then + dlang-single_pkg_setup + # set by dlang-single.eclass: + # $EDC, $DC, $DLANG_LDFLAGS, $DCFLAGS + + # Now let's build our environment + export DMDW=$(dlang_get_dmdw) + export DMDW_DCFLAGS=$(dlang_get_dmdw_dcflags) + export DMDW_LDFLAGS=$(dlang_get_dmdw_ldflags) + else + # Setup up similar variables to the above + export EDC=dmd-${SLOT} + #export DC= # is set inside src_unpack + #export DMDW= # is set inside src_unpack + export DLANG_LDFLAGS=$(dlang_get_ldflags) + # Should we put user DMDFLAGS here? + export DMDW_DCFLAGS= DCFLAGS= + export DMDW_LDFLAGS=$(dlang_get_dmdw_ldflags) + fi +} + +dmd-r1_src_unpack() { + # Here because pkgdev complains about it being in pkg_setup + if use selfhost; then + export DC=${WORKDIR}/dmd2/linux/bin$(_get_abi_bits)/dmd + export DMDW=${DC} + fi + + default + + # $S may collide with $PN-$MY_VER + mv "${PN}-${MY_VER}" tmp || die + mkdir "${S}" || die + mv -T tmp "${S}/${PN}" || die + mv -T "phobos-${MY_VER}" "${S}/phobos" || die +} + +dmd-r1_src_prepare() { + einfo "Removing dos-style line endings." + local file + while read -rd '' file; do + edos2unix "${file}" + done < <( find "${WORKDIR}" \( -name '*.txt' -o -name '*.html' -o -name '*.d' \ + -o -name '*.di' -o -name '*.ddoc' -type f \) \ + -print0 ) + + default +} + +dmd-r1_src_compile() { + einfo "Building dmd build script" + dlang_compile_bin dmd/compiler/src/build{,.d} + local BUILD_D=${S}/dmd/compiler/src/build + + local cmd=( + env + VERBOSE=1 + HOST_DMD="${DMDW}" + # Just like old dmd.eclass. + # + # TODO, this has to be fixed but right now we either do + # ENABLE_RELEASE (we add -O -inline -release) or build.d will + # add -g. + ENABLE_RELEASE=1 + "${BUILD_D}" + -j$(makeopts_jobs) + # A bit overkill to specify the flags here but it does get the + # jobs done. + DFLAGS="${DMDW_DCFLAGS} ${DMDW_LDFLAGS}" + ) + + einfo "Building dmd" + echo "${cmd[@]}" + "${cmd[@]}" || die "Failed to build dmd" + + # The release here is from ENABLE_RELEASE, keep them in sync. + export GENERATED_DMD=${S}/dmd/generated/linux/release/$(_get_abi_bits)/dmd + + compile_libraries() { + local commonMakeArgs=( + DMD="${GENERATED_DMD}" + MODEL=${MODEL} + + # Just like how multilib_toolchain_setup does it: + CC="$(tc-getCC) $(get_abi_CFLAGS)" + # The flags are, a little, project dependent + #CFLAGS= + + # With DFLAGS we have 2 problems: + # + # 1. it's pretty hard to specify them for druntime so + # it would need a makefile patch + # + # 2. we have the same question as in pkg_setup, do we + # respect DMDFLAGS when building with the generated dmd? + # + #DFLAGS= + ) + local druntimeMakeArgs=( + # Calls git in global scope, only used for whitespace checks. + MANIFEST= + + # Specifying user flags here discards the, hopefully + # relevant, values from the makefile so add them back. + CFLAGS="${CFLAGS} -fPIC -DHAVE_UNISTD_H" # -m32/64 is added in $CC. + + # druntime's notion of a shared library is a static archive + # that is embedded into the phobos shared library. + # + # Technically there is the dll_so target which is the proper + # so file but who's gonna use it? Perhaps if phobos would + # not incorporate druntime we could install them as separate + # libraries (like ldc2 and gdc). + $(usex static-libs 'lib dll' dll) + + # We also need to copy the headers to the proper location + import + ) + local phobosMakeArgs=( + # If unspecified, would rebuild druntime. + CUSTOM_DRUNTIME=1 + + # Like druntime, specifying flags removes the makefile added ones. + CFLAGS="${CFLAGS} -fPIC -std=c11 -DHAVE_UNISTD_H" # -m32/64 is added in $CC. + + # Overkill but it does work. Remember that we have to + # convert $LDFLAGS to something dmd understands. + DFLAGS="$(dlang_get_ldflags ${PN}-${SLOT})" + + # By default builds both static+dynamic libraries. + $(usex static-libs 'lib dll' dll) + ) + + emake -C dmd/druntime "${commonMakeArgs[@]}" "${druntimeMakeArgs[@]}" + emake -C phobos "${commonMakeArgs[@]}" "${phobosMakeArgs[@]}" + } + + _dmd_foreach_abi compile_libraries + + # Build the man pages + local cmd=( + env + VERBOSE=1 + HOST_DMD="${GENERATED_DMD}" + "${BUILD_D}" + -j$(makeopts_jobs) + man + # ${GENERATED_DMD} is not yet fully functional as we didn't + # create a good dmd.conf. But instead of doing that we're going + # to specify our flags here. + DFLAGS="-defaultlib=phobos2 -L-rpath=${S}/phobos/generated/linux/release/$(_get_abi_bits)" + ) + echo "${cmd[@]}" + "${cmd[@]}" || die "Could not generate man pages" + + # Now clean up some artifacts that would make the install phase + # harder (we rely on globbing and recursive calls a lot). + + # The object file is useless + rm -f phobos/generated/linux/release/*/libphobos2.so.0.${MINOR}.o || die + # the zlib folder contains source code which is no longer + # needed. Don't touch etc/c/zlib.d however, that's important. + rm -rf phobos/etc/c/zlib || die +} + +dmd-r1_src_test() { + # As opposed to old dmd.eclass we have access to actual tests. For + # porting reasons we're going to keep only the old test, + # hello_world. + + test_hello_world() { + local phobosDir=${S}/phobos/generated/linux/release/${MODEL} + local commandArgs=( + # Copied from _gen_dmd.conf + -L--export-dynamic + -defaultlib=phobos2 # If unspecified, defaults to libphobos2.a + -fPIC + -L-L"${phobosDir}" + -L-rpath="${phobosDir}" + + -conf= # Don't use dmd.conf + -m${MODEL} + -Iphobos + -Idmd/druntime/import + ) + + "${GENERATED_DMD}" "${commandArgs[@]}" dmd/compiler/samples/hello.d \ + || die "Failed to build hello.d (${MODEL}-bit)" + ./hello ${MODEL}-bit || die "Failed to run test sample (${MODEL}-bit)" + } + + _dmd_foreach_abi test_hello_world + +} + +dmd-r1_src_install() { + local EDC=${PN}-${SLOT} # overwrite the one from pkg_setup + local dmd_prefix=/usr/lib/${PN}/$(dlang_get_be_version) + + dodir /etc/dmd + _gen_dmd.conf > "${ED}"/etc/dmd/${SLOT}.conf || die "Could not generate dmd.conf" + # Put a symlink to dmd.conf into the same folder as the dmd + # executable so it gets picked up automatically (and instead of + # /etc/dmd.conf). + dosym -r "/etc/dmd/${SLOT}.conf" "${dmd_prefix}/bin/dmd.conf" + + into "${dmd_prefix}" + dobin "${GENERATED_DMD}" + dosym -r "${dmd_prefix}/bin/dmd" "/usr/bin/dmd-${SLOT}" + + insinto "${dmd_prefix}" + doins -r dmd/druntime/import + + # Old dmd.eclass installed the so to $(get_libdir) and symlinked it + # into ${dmd_prefix}. We do it the other way around. + install_phobos_2() { + local G=phobos/generated/linux/release/${MODEL} + into /usr + + dlang_dolib.so "${G}"/libphobos2.so* + use static-libs && dlang_dolib.a "${G}"/libphobos2.a + + # The symlinks under $(get_libdir) are only for backwards + # compatibility purposes. + local filename=libphobos2.so.0.${MINOR} + dosym -r "/usr/$(dlang_get_libdir)/${filename}" "/usr/$(get_libdir)/${filename}" + dosym -r "/usr/$(dlang_get_libdir)/${filename}.${PATCH}" "/usr/$(get_libdir)/${filename}.${PATCH}" + } + _dmd_foreach_abi install_phobos_2 + insinto "${dmd_prefix}"/import + doins -r phobos/{etc,std} + + insinto "${dmd_prefix}"/man/man1 + doins dmd/generated/docs/man/man1/dmd.1 + insinto "${dmd_prefix}"/man/man5 + doins dmd/generated/docs/man/man5/dmd.conf.5 + + if use examples; then + insinto "${dmd_prefix}"/samples + doins -r dmd/compiler/samples/* + docompress -x "${dmd_prefix}"/samples + fi + + if use doc; then + HTML_DOCS=( "${WORKDIR}"/dmd2/html/* ) + einstalldocs + insinto "/usr/share/doc/${PF}/html" + doins "${FILESDIR}/dmd-doc.png" + make_desktop_entry "xdg-open ${EPREFIX}/usr/share/doc/${PF}/html/d/index.html" \ + "DMD ${PV}" \ + "${EPREFIX}/usr/share/doc/${PF}/html/dmd-doc.png" \ + "Development" + fi +} + +dmd-r1_pkg_postinst() { + "${EROOT}"/usr/bin/eselect dlang update dmd + + use examples && elog "Examples can be found in: ${dmd_prefix}/samples" + use doc && elog "HTML documentation is in: /usr/share/doc/${PF}/html" + + optfeature "additional D development tools" "dev-util/dlang-tools" +} + +dmd-r1_pkg_postrm() { + "${ERROT}"/usr/bin/eselect dlang update dmd +} + +# @FUNCTION: _gen_dmd.conf +# @INTERNAL +# @DESCRIPTION: +# Print a dmd.conf to be installed on the user system. Needs $EDC to be +# set up up beforehand. +_gen_dmd.conf() { + debug-print-function ${FUNCNAME} "${@}" + + # Note, the logic for which libdir is used is all kept in + # dlang-utils.eclass in order not to duplicate code. + + local import_dir=${EPREFIX}/usr/lib/${PN}/$(dlang_get_be_version)/import + # Should this, instead, check which ABIs have been enabled? + if has_multilib_profile; then + local libdir_amd64=${EPREFIX}/usr/$(ABI=amd64 dlang_get_libdir) + local libdir_x86=${EPREFIX}/usr/$(ABI=x86 dlang_get_libdir) + cat <<EOF +[Environment] +DFLAGS=-I${import_dir} -L--export-dynamic -defaultlib=phobos2 -fPIC +[Environment32] +DFLAGS=%DFLAGS% -L-L${libdir_x86} -L-rpath=${libdir_x86} +[Environment64] +DFLAGS=%DFLAGS% -L-L${libdir_amd64} -L-rpath=${libdir_amd64} +EOF + + else + local libdir=${EPREFIX}/usr/$(dlang_get_libdir) + cat <<EOF +[Environment] +DFLAGS=-I${import_dir} -L--export-dynamic -defaultlib=phobos2 -fPIC -L-L${libdir} -L-rpath=${libdir} +EOF + + fi +} + +# @FUNCTION: _get_abi_bits +# @USAGE: [<abi>] +# @INTERNAL +# @DESCRIPTION: +# Echo the bits of abi, 64 for amd64 and 32 for x86. If unspecified, the +# value is taken from $ABI. +_get_abi_bits() { + case "${1:-${ABI}}" in + amd64*) echo 64 ;; + x86*) echo 32 ;; + *) die "Unknown ABI: ${ABI}." ;; + esac +} + +# @FUNCTION: _dmd_foreach_abi +# @USAGE: <cmd> [<args>...] +# @INTERNAL +# @DESCRIPTION: +# Run a command for each enabled ABI, similar to multilib_foreach_abi but +# without setting $BUILD_DIR. Sets up $ABI and $MODEL (bits) +# appropriately. +_dmd_foreach_abi() { + debug-print-function ${FUNCNAME} "${@}" + + local ABI + for ABI in $(multilib_get_enabled_abis); do + local MODEL=$(_get_abi_bits) + einfo "Executing ${1} in ${MODEL}-bit" + "${@}" + done +} + +fi + +EXPORT_FUNCTIONS pkg_setup src_unpack src_prepare src_compile src_test src_install \ + pkg_postinst pkg_postrm |