--- /dev/null
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit autotools elisp-common eutils flag-o-matic java-pkg-opt-2 multilib vcs-clean xdg-utils
+
+PATCHSET_VER="0"
+MY_P=${PN}-srcdist-${PV}
+
+DESCRIPTION="Mercury is a modern general-purpose logic/functional programming language"
+HOMEPAGE="http://www.mercurylang.org/index.html"
+SRC_URI="http://dl.mercurylang.org/release/${MY_P}.tar.gz
+ mirror://gentoo/${P}-gentoo-patchset-${PATCHSET_VER}.tar.gz"
+
+LICENSE="GPL-2 LGPL-2"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+
+IUSE="debug doc emacs erlang examples java mono profile readline threads trail"
+
+DEPEND="net-libs/libnsl:0=
+ readline? ( sys-libs/readline:= )
+ erlang? ( dev-lang/erlang )
+ java? ( >=virtual/jdk-1.6:= )
+ mono? ( dev-lang/mono )
+ doc? ( sys-apps/texinfo )"
+
+RDEPEND="${DEPEND}
+ emacs? ( >=app-editors/emacs-23.1:* )"
+
+S="${WORKDIR}"/${MY_P}
+
+SITEFILE=50${PN}-gentoo.el
+
+src_prepare() {
+ if [[ -d "${WORKDIR}"/${PV} ]] ; then
+ eapply "${WORKDIR}"/${PV}
+ fi
+ eapply_user
+
+ AT_M4DIR=m4 eautoreconf
+
+ xdg_environment_reset
+}
+
+src_configure() {
+ strip-flags
+
+ local myconf
+ myconf="--libdir=/usr/$(get_libdir) \
+ $(use_enable mono csharp-grade) \
+ $(use_enable erlang erlang-grade) \
+ $(use_enable java java-grade) \
+ $(use_enable debug debug-grades) \
+ $(use_enable profile prof-grades) \
+ $(use_enable threads par-grades) \
+ $(use_enable trail trail-grades) \
+ $(use_with readline)"
+
+ econf ${myconf}
+}
+
+src_compile() {
+ # Prepare mmake flags
+ echo "EXTRA_CFLAGS = ${CFLAGS}" >> Mmake.params
+ echo "EXTRA_LD_LIBFLAGS = ${LDFLAGS}" >> Mmake.params
+ echo "EXTRA_MLFLAGS = --no-strip" >> Mmake.params
+
+ echo "EXTRA_LD_LIBFLAGS += -Wl,-soname=libgc.so" >> boehm_gc/Mmake.boehm_gc.params
+ echo "EXTRA_LD_LIBFLAGS += -Wl,-soname=libmer_rt.so" >> runtime/Mmake.runtime.params
+ echo "EXTRA_LD_LIBFLAGS += -Wl,-soname=libmer_std.so" >> library/Mmake.library.params
+
+ # Build Mercury using bootstrap grade
+ emake \
+ PARALLEL="'${MAKEOPTS}'" \
+ TEXI2DVI="" PDFTEX=""
+
+ # We can now patch .m Mercury compiler files since we
+ # have just built mercury_compiler.
+ if [[ -d "${WORKDIR}"/${PV}-mmc ]] ; then
+ eapply "${WORKDIR}"/${PV}-mmc
+ fi
+
+ # Rebuild Mercury compiler using the just built mercury_compiler
+ emake \
+ PARALLEL="'${MAKEOPTS}'" \
+ MERCURY_COMPILER="${S}"/compiler/mercury_compile \
+ TEXI2DVI="" PDFTEX=""
+
+ # The default Mercury grade may not be the same as the bootstrap
+ # grade. Since src_test() is run before src_install() we compile
+ # the default grade now
+ emake \
+ PARALLEL="'${MAKEOPTS}'" \
+ MERCURY_COMPILER="${S}"/compiler/mercury_compile \
+ TEXI2DVI="" PDFTEX="" \
+ default_grade
+}
+
+src_test() {
+ TEST_GRADE=$(scripts/ml --print-grade)
+ if [ -d "${S}"/install_grade_dir.${TEST_GRADE} ] ; then
+ TWS="${S}"/install_grade_dir.${TEST_GRADE}
+ cp runtime/mer_rt.init "${TWS}"/runtime/
+ cp mdbcomp/mer_mdbcomp.init "${TWS}"/mdbcomp/
+ cp browser/mer_browser.init "${TWS}"/browser/
+ else
+ TWS="${S}"
+ fi
+
+ cd "${S}"/tests || die
+ sed -e "s:@WORKSPACE@:${TWS}:" \
+ < WS_FLAGS.ws \
+ > WS_FLAGS \
+ || die "sed WORKSPACE failed"
+ sed -e "s:@WORKSPACE@:${TWS}:" \
+ < .mgnuc_copts.ws \
+ > .mgnuc_copts \
+ || die "sed WORKSPACE failed"
+ find . -mindepth 1 -type d -exec cp .mgnuc_opts {} \;
+ find . -mindepth 1 -type d -exec cp .mgnuc_copts {} \;
+
+ # Mercury tests must be run in C locale since Mercury output is
+ # compared to hard-coded warnings/errors
+ LC_ALL="C" \
+ PATH="${TWS}"/scripts:"${TWS}"/util:"${S}"/slice:"${PATH}" \
+ TERM="" \
+ WORKSPACE="${TWS}" \
+ WORKSPACE_FLAGS=yes \
+ MERCURY_COMPILER="${TWS}"/compiler/mercury_compile \
+ MMAKE_DIR="${TWS}"/scripts \
+ MERCURY_SUPPRESS_STACK_TRACE=yes \
+ GRADE=${TEST_GRADE} \
+ mmake || die "mmake test failed"
+}
+
+src_install() {
+ emake \
+ PARALLEL="'${MAKEOPTS}'" \
+ MERCURY_COMPILER="${S}"/compiler/mercury_compile \
+ TEXI2DVI="" PDFTEX="" \
+ DESTDIR="${D}" \
+ INSTALL_ELISP_DIR="${D}/${SITELISP}"/${PN} \
+ install
+
+ if use java; then
+ keepdir /usr/$(get_libdir)/mercury/modules/java
+ fi
+
+ if use mono; then
+ keepdir /usr/$(get_libdir)/mercury/modules/csharp
+ fi
+
+ if use emacs; then
+ elisp-site-file-install "${FILESDIR}/${SITEFILE}" \
+ || die "elisp-site-file-install failed"
+ fi
+
+ dodoc \
+ BUGS HISTORY LIMITATIONS NEWS README README.Linux \
+ README.Linux-Alpha README.Linux-m68k README.Linux-PPC \
+ RELEASE_NOTES VERSION || die
+
+ if use erlang; then
+ dodoc README.Erlang
+ fi
+
+ if use java; then
+ dodoc README.Java
+ fi
+
+ if use mono; then
+ dodoc README.CSharp
+ fi
+
+ if use examples; then
+ docinto /usr/share/doc/${PF}/samples
+ dodoc samples/{*.m,README,Mmakefile}
+ dodoc -r samples/c_interface \
+ samples/diff \
+ samples/muz \
+ samples/rot13 \
+ samples/solutions \
+ samples/solver_types
+
+ if use java; then
+ dodoc -r samples/java_interface
+ fi
+
+ ecvs_clean "${D}"/usr/share/doc/${PF}/samples
+ fi
+}
+
+pkg_postinst() {
+ use emacs && elisp-site-regen
+}
+
+pkg_postrm() {
+ use emacs && elisp-site-regen
+}
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