sys-libs/blocksruntime: new package, clang's -fblocks runtime support

Bug: https://bugs.gentoo.org/729256
Package-Manager: Portage-3.0.4, Repoman-3.0.1
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>

4 files changed, 87 insertions, 0 deletions

diff --git a/sys-libs/blocksruntime/Manifest b/sys-libs/blocksruntime/Manifest
new file mode 100644
index 000000000000..59798faef4bb
--- /dev/null
+++ b/sys-libs/blocksruntime/Manifest
@@ -0,0 +1 @@
+DIST blocksruntime-0_pre20171027.tar.gz 40571 BLAKE2B 5cb5cee10d482a3028b6ed496f7ed4fba25504c5e188dd21be37f0a65b72750e0ce31f7243e9cd848d10323e43e7d058fd2f7eb5ffed9a64e543d418ac96cfac SHA512 4008730f7ee4173f22c40220c4b87cd3f5cfadd12d5ddbaec244e3c4164111f036d0b859cf4bb5f2425313148f5c6445de30af2d4ccc83e1b97a66895ccc6dc5
diff --git a/sys-libs/blocksruntime/blocksruntime-0_pre20171027.ebuild b/sys-libs/blocksruntime/blocksruntime-0_pre20171027.ebuild
new file mode 100644
index 000000000000..cf596b316604
--- /dev/null
+++ b/sys-libs/blocksruntime/blocksruntime-0_pre20171027.ebuild
@@ -0,0 +1,41 @@
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit toolchain-funcs vcs-snapshot
+
+COMMIT=9cc93ae2b58676c23fd02cf0c686fa15b7a3ff81 # 27 Oct 2017
+
+DESCRIPTION="BlocksRuntime library needed for clang's -fblocks support"
+HOMEPAGE="https://github.com/mackyle/blocksruntime"
+SRC_URI="https://github.com/mackyle/blocksruntime/archive/${COMMIT}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="Apache-2.0-with-LLVM-exceptions || ( UoI-NCSA MIT )"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+IUSE=""
+
+RDEPEND=""
+DEPEND="${RDEPEND}"
+
+PATCHES=(
+	"${FILESDIR}"/${PN}-0_pre20171027-ldflags-soname.patch
+)
+
+src_prepare() {
+	default
+
+	tc-export CC AR RANLIB
+}
+
+src_compile() {
+	./buildlib -shared || die
+}
+
+src_install() {
+	prefix="${EPREFIX}/usr" \
+	libdir="${EPREFIX}/usr/$(get_libdir)" \
+	DESTDIR="${D}" \
+		./installlib || die
+}
diff --git a/sys-libs/blocksruntime/files/blocksruntime-0_pre20171027-ldflags-soname.patch b/sys-libs/blocksruntime/files/blocksruntime-0_pre20171027-ldflags-soname.patch
new file mode 100644
index 000000000000..66e9f1993bd8
--- /dev/null
+++ b/sys-libs/blocksruntime/files/blocksruntime-0_pre20171027-ldflags-soname.patch
@@ -0,0 +1,34 @@
+--- a/buildlib
++++ b/buildlib
+@@ -28,11 +28,13 @@ if [ -n "$shared" ]; then
+ 			SHLIB="${LIB%.a}.dylib"
+ 			SHOPT="-dynamiclib -Wl,-all_load"
+ 			SHOPT2=
++			SONAME=
+ 			;;
+ 		*)
+ 			SHLIB="${LIB%.a}.so"
+ 			SHOPT="-shared -Wl,-whole-archive"
+ 			SHOPT2="-Wl,-no-whole-archive"
++			SONAME="-Wl,-soname=${SHLIB}.0"
+ 			;;
+ 	esac
+ fi
+@@ -108,5 +110,5 @@ echo "SRC=$SRC"
+ [ -z "$shared" ] ||
+ (
+ 	PS4= && set -ex
+-	"$CC" $FPIC $CFLAGS -o "$SHLIB" $SHOPT $LIB $SHOPT2
++	"$CC" $FPIC $CFLAGS $LDFLAGS -o "$SHLIB" $SHOPT $LIB $SHOPT2 ${SONAME}
+ ) || exit
+--- a/installlib
++++ b/installlib
+@@ -91,5 +91,7 @@ docmd "install -d "$DESTDIR"$includedir "$DESTDIR"$libdir"
+ docmd "install -m 644 $HEADER "$DESTDIR"$includedir/"
+ [ -z "$LIB" ] ||
+ docmd "install -m 644 $LIB "$DESTDIR"$libdir/"
+-[ -z "$SHLIB" ] ||
++[ -z "$SHLIB" ] || {
+ docmd "install -m $SHLIBMODE $SHLIB "$DESTDIR"$libdir/"
++docmd "ln -s $SHLIB "$DESTDIR"$libdir/${SHLIB}.0"
++}
diff --git a/sys-libs/blocksruntime/metadata.xml b/sys-libs/blocksruntime/metadata.xml
new file mode 100644
index 000000000000..4ce153662dd9
--- /dev/null
+++ b/sys-libs/blocksruntime/metadata.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="person">
+		<email>slyfox@gentoo.org</email>
+		<name>Sergei Trofimovich</name>
+	</maintainer>
+	<upstream>
+		<remote-id type="github">mackyle/blocksruntime</remote-id>
+	</upstream>
+</pkgmetadata>