--- /dev/null
+From 041472afebd1e621be1143f2bfb4c5650df171cc Mon Sep 17 00:00:00 2001
+From: Lars Wendler <polynomial-c@gentoo.org>
+Date: Mon, 11 May 2020 11:49:58 +0200
+Subject: [PATCH] multipath-tools: Fix parallel make issues
+
+build is broken like this (tested with -j16):
+
+ x86_64-pc-linux-gnu-gcc -Wl,-O1 -Wl,--hash-style=gnu -Wl,--sort-common -Wl,--as-needed -Wl,-z,relro -Wl,-z,now -shared -lpthread -ldevmapper -ldl -L../libmultipath -lmultipath -L../libmpathcmd -lmpathcmd -Wl,-soname=libmpathpersist.so.0 -o libmpathpersist.so.0 mpath_persist.o mpath_updatepr.o mpath_pr_ioctl.o
+ building defaults.o because of defaults.c
+ ...
+ /usr/lib/gcc/x86_64-pc-linux-gnu/9.3.0/../../../../x86_64-pc-linux-gnu/bin/ld: cannot find -lmultipath
+ collect2: error: ld returned 1 exit status
+ make[1]: *** [Makefile:17: libmpathpersist.so.0] Error 1
+ make: *** [Makefile:29: libmpathpersist] Error 2
+ make: *** Waiting for unfinished jobs....
+
+install is broken like this:
+
+ install -m 755 libprio*.so /var/tmp/portage/sys-fs/multipath-tools-0.8.4/image/lib64/multipath
+ install -m 755 libcheckcciss_tur.so libcheckreadsector0.so libchecktur.so libcheckdirectio.so libcheckemc_clariion.so libcheckhp_sw.so libcheckrdac.so /var/tmp/portage/sys-fs/multipath-tools-0.8.4/image/lib64/multipath
+ ...
+ /usr/bin/install: target '/var/tmp/portage/sys-fs/multipath-tools-0.8.4/image/lib64/multipath' is not a directory
+ /usr/bin/install: target '/var/tmp/portage/sys-fs/multipath-tools-0.8.4/image/lib64/multipath' is not a directory
+ make[1]: *** [Makefile:28: install] Error 1
+ make[1]: *** [Makefile:38: install] Error 1
+---
+ Makefile | 3 ++-
+ libmultipath/checkers/Makefile | 1 +
+ libmultipath/foreign/Makefile | 1 +
+ libmultipath/prioritizers/Makefile | 1 +
+ 4 files changed, 5 insertions(+), 1 deletion(-)
+
+diff --git a/Makefile b/Makefile
+index 1dee3680..a9ade94f 100644
+--- a/Makefile
++++ b/Makefile
+@@ -29,7 +29,8 @@ $(BUILDDIRS):
+ $(MAKE) -C $@
+
+ multipath multipathd mpathpersist: libmultipath
+-mpathpersist: libmpathpersist
++libmpathpersist: libmultipath
++mpathpersist: libmultipath libmpathpersist
+
+ $(BUILDDIRS.clean):
+ $(MAKE) -C ${@:.clean=} clean
+diff --git a/libmultipath/checkers/Makefile b/libmultipath/checkers/Makefile
+index 02caea64..f201ca4c 100644
+--- a/libmultipath/checkers/Makefile
++++ b/libmultipath/checkers/Makefile
+@@ -24,6 +24,7 @@ libcheck%.so: libsg.o %.o
+ $(CC) $(LDFLAGS) $(SHARED_FLAGS) -o $@ $^
+
+ install:
++ $(INSTALL_PROGRAM) -m 755 -d $(DESTDIR)$(libdir)
+ $(INSTALL_PROGRAM) -m 755 $(LIBS) $(DESTDIR)$(libdir)
+
+ uninstall:
+diff --git a/libmultipath/foreign/Makefile b/libmultipath/foreign/Makefile
+index fae58a0d..567deebd 100644
+--- a/libmultipath/foreign/Makefile
++++ b/libmultipath/foreign/Makefile
+@@ -14,6 +14,7 @@ libforeign-%.so: %.o
+ $(CC) $(LDFLAGS) $(SHARED_FLAGS) -o $@ $^
+
+ install:
++ $(INSTALL_PROGRAM) -m 755 -d $(DESTDIR)$(libdir)
+ $(INSTALL_PROGRAM) -m 755 $(LIBS) $(DESTDIR)$(libdir)
+
+ uninstall:
+diff --git a/libmultipath/prioritizers/Makefile b/libmultipath/prioritizers/Makefile
+index 9d0fe03c..b0b0b522 100644
+--- a/libmultipath/prioritizers/Makefile
++++ b/libmultipath/prioritizers/Makefile
+@@ -35,6 +35,7 @@ libprio%.so: %.o
+ $(CC) $(LDFLAGS) $(SHARED_FLAGS) -o $@ $^
+
+ install: $(LIBS)
++ $(INSTALL_PROGRAM) -m 755 -d $(DESTDIR)$(libdir)
+ $(INSTALL_PROGRAM) -m 755 libprio*.so $(DESTDIR)$(libdir)
+
+ uninstall:
+--
+2.26.2
+
--- /dev/null
+--- multipath-tools-0.8.4-d491591/Makefile.inc
++++ multipath-tools-0.8.4-d491591/Makefile.inc
+@@ -99,12 +99,13 @@
+ -Werror=cast-qual $(ERROR_DISCARDED_QUALIFIERS) \
+ $(STACKPROT) --param=ssp-buffer-size=4
+ CPPFLAGS := -Wp,-D_FORTIFY_SOURCE=2
+-CFLAGS := $(OPTFLAGS) -DBIN_DIR=\"$(bindir)\" -DLIB_STRING=\"${LIB}\" -DRUN_DIR=\"${RUN}\" \
+- -MMD -MP $(CFLAGS)
++CFLAGS ?= $(OPTFLAGS)
++CFLAGS += -DBIN_DIR=\"$(bindir)\" -DLIB_STRING=\"${LIB}\" -DRUN_DIR=\"${RUN}\" \
++ -MMD -MP
+ BIN_CFLAGS = -fPIE -DPIE
+ LIB_CFLAGS = -fPIC
+ SHARED_FLAGS = -shared
+-LDFLAGS = -Wl,-z,relro -Wl,-z,now
++LDFLAGS += -Wl,-z,relro -Wl,-z,now
+ BIN_LDFLAGS = -pie
+
+ # Check whether a function with name $1 has been declared in header file $2.
--- /dev/null
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI="7"
+
+inherit linux-info systemd toolchain-funcs udev vcs-snapshot toolchain-funcs
+
+DESCRIPTION="Device mapper target autoconfig"
+HOMEPAGE="http://christophe.varoqui.free.fr/"
+SRC_URI="https://git.opensvc.com/?p=multipath-tools/.git;a=snapshot;h=${PV};sf=tgz -> ${P}.tar.gz"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~ia64 ~ppc ~ppc64 ~x86"
+IUSE="systemd rbd"
+
+BDEPEND="virtual/pkgconfig"
+
+RDEPEND="
+ dev-libs/json-c:=
+ dev-libs/libaio
+ dev-libs/userspace-rcu:=
+ >=sys-fs/lvm2-2.02.45
+ >=virtual/libudev-232-r3
+ sys-libs/readline:0=
+ rbd? ( sys-cluster/ceph )
+ systemd? ( sys-apps/systemd )
+"
+
+DEPEND="${RDEPEND}"
+
+CONFIG_CHECK="~DM_MULTIPATH"
+
+RESTRICT="test"
+
+PATCHES=(
+ "${FILESDIR}"/${PN}-0.8.4-respect-flags.patch
+ "${FILESDIR}"/${PN}-0.8.3-no-gziped-docs.patch
+ "${FILESDIR}"/${PN}-0.8.3-json-c-0.14.patch
+ "${FILESDIR}"/${PN}-0.8.4-parallel_make_fix.patch
+)
+
+get_systemd_pv() {
+ use systemd && \
+ $(tc-getPKG_CONFIG) --modversion systemd
+}
+
+src_prepare() {
+ default
+
+ # The upstream lacks any way to configure the build at present
+ # and ceph is a huge dependency, so we're using sed to make it
+ # optional until the upstream has a proper configure system
+ if ! use rbd ; then
+ sed \
+ -e "s/libcheckrbd.so/# libcheckrbd.so/" \
+ -e "s/-lrados//" \
+ -i libmultipath/checkers/Makefile \
+ || die
+ fi
+}
+
+src_compile() {
+ # LIBDM_API_FLUSH involves grepping files in /usr/include,
+ # so force the test to go the way we want #411337.
+ emake \
+ CC="$(tc-getCC)" \
+ LIBDM_API_FLUSH=1 SYSTEMD="$(get_systemd_pv)"
+}
+
+src_install() {
+ dodir /sbin /usr/share/man/man{3,5,8}
+ emake \
+ DESTDIR="${D}" \
+ RUN=run \
+ SYSTEMD=$(get_systemd_pv) \
+ unitdir="$(systemd_get_systemunitdir)" \
+ libudevdir='${prefix}'/"$(get_udevdir)" \
+ pkgconfdir='${prefix}'/usr/'${LIB}'/pkgconfig \
+ install
+
+ newinitd "${FILESDIR}"/multipathd-r1.rc multipathd
+ newinitd "${FILESDIR}"/multipath.rc multipath
+
+ einstalldocs
+}
+
+pkg_postinst() {
+ if [[ -z ${REPLACING_VERSIONS} ]]; then
+ elog "If you need multipath on your system, you must"
+ elog "add 'multipath' into your boot runlevel!"
+ fi
+}