--- /dev/null
+diff -Naur valgrind-3.11.0.orig/coregrind/Makefile.am valgrind-3.11.0/coregrind/Makefile.am
+--- valgrind-3.11.0.orig/coregrind/Makefile.am 2015-09-08 09:23:26.000000000 -0400
++++ valgrind-3.11.0/coregrind/Makefile.am 2015-09-26 06:52:04.226983707 -0400
+@@ -354,21 +354,6 @@
+ m_demangle/demangle.c \
+ m_demangle/dyn-string.c \
+ m_demangle/safe-ctype.c \
+- m_dispatch/dispatch-x86-linux.S \
+- m_dispatch/dispatch-amd64-linux.S \
+- m_dispatch/dispatch-ppc32-linux.S \
+- m_dispatch/dispatch-ppc64be-linux.S \
+- m_dispatch/dispatch-ppc64le-linux.S \
+- m_dispatch/dispatch-arm-linux.S \
+- m_dispatch/dispatch-arm64-linux.S \
+- m_dispatch/dispatch-s390x-linux.S \
+- m_dispatch/dispatch-mips32-linux.S \
+- m_dispatch/dispatch-mips64-linux.S \
+- m_dispatch/dispatch-tilegx-linux.S \
+- m_dispatch/dispatch-x86-darwin.S \
+- m_dispatch/dispatch-amd64-darwin.S \
+- m_dispatch/dispatch-x86-solaris.S \
+- m_dispatch/dispatch-amd64-solaris.S \
+ m_gdbserver/inferiors.c \
+ m_gdbserver/m_gdbserver.c \
+ m_gdbserver/regcache.c \
+@@ -394,8 +379,6 @@
+ m_initimg/initimg-pathscan.c \
+ m_mach/mach_basics.c \
+ m_mach/mach_msg.c \
+- m_mach/mach_traps-x86-darwin.S \
+- m_mach/mach_traps-amd64-darwin.S \
+ m_replacemalloc/replacemalloc_core.c \
+ m_scheduler/sched-lock.c \
+ m_scheduler/sched-lock-generic.c \
+@@ -415,21 +398,6 @@
+ m_sigframe/sigframe-x86-darwin.c \
+ m_sigframe/sigframe-amd64-darwin.c \
+ m_sigframe/sigframe-solaris.c \
+- m_syswrap/syscall-x86-linux.S \
+- m_syswrap/syscall-amd64-linux.S \
+- m_syswrap/syscall-ppc32-linux.S \
+- m_syswrap/syscall-ppc64be-linux.S \
+- m_syswrap/syscall-ppc64le-linux.S \
+- m_syswrap/syscall-arm-linux.S \
+- m_syswrap/syscall-arm64-linux.S \
+- m_syswrap/syscall-s390x-linux.S \
+- m_syswrap/syscall-mips32-linux.S \
+- m_syswrap/syscall-mips64-linux.S \
+- m_syswrap/syscall-tilegx-linux.S \
+- m_syswrap/syscall-x86-darwin.S \
+- m_syswrap/syscall-amd64-darwin.S \
+- m_syswrap/syscall-x86-solaris.S \
+- m_syswrap/syscall-amd64-solaris.S \
+ m_syswrap/syswrap-main.c \
+ m_syswrap/syswrap-generic.c \
+ m_syswrap/syswrap-linux.c \
+@@ -456,6 +424,29 @@
+ m_ume/main.c \
+ m_ume/script.c
+
++COREGRIND_SOURCES_COMMON += \
++ m_dispatch/dispatch-@VGCONF_ARCH_PRI@-@VGCONF_OS@.S \
++ m_syswrap/syscall-@VGCONF_ARCH_PRI@-@VGCONF_OS@.S
++
++if VGCONF_HAVE_PLATFORM_SEC
++COREGRIND_SOURCES_COMMON += \
++ m_dispatch/dispatch-@VGCONF_ARCH_SEC@-@VGCONF_OS@.S \
++ m_syswrap/syscall-@VGCONF_ARCH_SEC@-@VGCONF_OS@.S
++endif
++
++if VGCONF_OS_IS_DARWIN
++COREGRIND_SOURCES_COMMON += \
++ m_dispatch/dispatch-@VGCONF_ARCH_PRI@-darwin.S \
++ m_syswrap/syscall-@VGCONF_ARCH_PRI@-darwin.S \
++ m_mach/mach_traps-@VGCONF_ARCH_PRI@-darwin.S
++if VGCONF_HAVE_PLATFORM_SEC
++COREGRIND_SOURCES_COMMON += \
++ m_dispatch/dispatch-@VGCONF_ARCH_SEC@-darwin.S \
++ m_syswrap/syscall-@VGCONF_ARCH_SEC@-darwin.S \
++ m_mach/mach_traps-@VGCONF_ARCH_SEC@-darwin.S
++endif
++endif
++
+ libcoregrind_@VGCONF_ARCH_PRI@_@VGCONF_OS@_a_SOURCES = \
+ $(COREGRIND_SOURCES_COMMON)
+ nodist_libcoregrind_@VGCONF_ARCH_PRI@_@VGCONF_OS@_a_SOURCES = \
+diff -Naur valgrind-3.11.0.orig/coregrind/m_dispatch/dispatch-amd64-linux.S valgrind-3.11.0/coregrind/m_dispatch/dispatch-amd64-linux.S
+--- valgrind-3.11.0.orig/coregrind/m_dispatch/dispatch-amd64-linux.S 2015-09-08 09:23:26.000000000 -0400
++++ valgrind-3.11.0/coregrind/m_dispatch/dispatch-amd64-linux.S 2015-09-26 06:46:20.103000200 -0400
+@@ -249,11 +249,11 @@
+
+ .size VG_(disp_run_translations), .-VG_(disp_run_translations)
+
++#endif // defined(VGP_amd64_linux)
++
+ /* Let the linker know we don't need an executable stack */
+ .section .note.GNU-stack,"",@progbits
+
+-#endif // defined(VGP_amd64_linux)
+-
+ /*--------------------------------------------------------------------*/
+ /*--- end ---*/
+ /*--------------------------------------------------------------------*/
+diff -Naur valgrind-3.11.0.orig/coregrind/m_dispatch/dispatch-x86-linux.S valgrind-3.11.0/coregrind/m_dispatch/dispatch-x86-linux.S
+--- valgrind-3.11.0.orig/coregrind/m_dispatch/dispatch-x86-linux.S 2015-09-08 09:23:26.000000000 -0400
++++ valgrind-3.11.0/coregrind/m_dispatch/dispatch-x86-linux.S 2015-09-26 06:46:20.103000200 -0400
+@@ -240,11 +240,11 @@
+
+ .size VG_(disp_run_translations), .-VG_(disp_run_translations)
+
++#endif // defined(VGP_x86_linux)
++
+ /* Let the linker know we don't need an executable stack */
+ .section .note.GNU-stack,"",@progbits
+
+-#endif // defined(VGP_x86_linux)
+-
+ /*--------------------------------------------------------------------*/
+ /*--- end ---*/
+ /*--------------------------------------------------------------------*/
+diff -Naur valgrind-3.11.0.orig/coregrind/m_syswrap/syscall-amd64-linux.S valgrind-3.11.0/coregrind/m_syswrap/syscall-amd64-linux.S
+--- valgrind-3.11.0.orig/coregrind/m_syswrap/syscall-amd64-linux.S 2015-09-08 09:23:26.000000000 -0400
++++ valgrind-3.11.0/coregrind/m_syswrap/syscall-amd64-linux.S 2015-09-26 06:46:20.103000200 -0400
+@@ -244,11 +244,11 @@
+ ML_(blksys_finished): .quad 5b
+ .previous
+
++#endif // defined(VGP_amd64_linux)
++
+ /* Let the linker know we don't need an executable stack */
+ .section .note.GNU-stack,"",@progbits
+
+-#endif // defined(VGP_amd64_linux)
+-
+ /*--------------------------------------------------------------------*/
+ /*--- end ---*/
+ /*--------------------------------------------------------------------*/
+diff -Naur valgrind-3.11.0.orig/coregrind/m_syswrap/syscall-x86-linux.S valgrind-3.11.0/coregrind/m_syswrap/syscall-x86-linux.S
+--- valgrind-3.11.0.orig/coregrind/m_syswrap/syscall-x86-linux.S 2015-09-08 09:23:26.000000000 -0400
++++ valgrind-3.11.0/coregrind/m_syswrap/syscall-x86-linux.S 2015-09-26 06:46:20.103000200 -0400
+@@ -184,11 +184,11 @@
+ ML_(blksys_finished): .long 5b
+ .previous
+
++#endif // defined(VGP_x86_linux)
++
+ /* Let the linker know we don't need an executable stack */
+ .section .note.GNU-stack,"",@progbits
+
+-#endif // defined(VGP_x86_linux)
+-
+ /*--------------------------------------------------------------------*/
+ /*--- end ---*/
+ /*--------------------------------------------------------------------*/
--- /dev/null
+# Copyright 1999-2015 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI="5"
+inherit autotools eutils flag-o-matic toolchain-funcs multilib pax-utils
+
+DESCRIPTION="An open-source memory debugger for GNU/Linux"
+HOMEPAGE="http://www.valgrind.org"
+SRC_URI="http://www.valgrind.org/downloads/${P}.tar.bz2"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="-* ~amd64 ~arm ~ppc ~ppc64 ~x86 ~amd64-linux ~x86-linux ~x64-macos ~x86-macos"
+IUSE="mpi"
+
+DEPEND="mpi? ( virtual/mpi )"
+RDEPEND="${DEPEND}"
+
+src_prepare() {
+ # Correct hard coded doc location
+ sed -i -e "s:doc/valgrind:doc/${PF}:" docs/Makefile.am || die
+
+ # Don't force multiarch stuff on OSX, bug #306467
+ sed -i -e 's:-arch \(i386\|x86_64\)::g' Makefile.all.am || die
+
+ # Respect CFLAGS, LDFLAGS
+ epatch "${FILESDIR}"/${PN}-3.7.0-respect-flags.patch
+
+ # Changing Makefile.all.am to disable SSP
+ epatch "${FILESDIR}"/${PN}-3.7.0-fno-stack-protector.patch
+
+ # Yet more local labels, this time for ppc32 & ppc64
+ epatch "${FILESDIR}"/${PN}-3.6.0-local-labels.patch
+
+ # Don't build in empty assembly files for other platforms or we'll get a QA
+ # warning about executable stacks.
+ epatch "${FILESDIR}"/${PN}-3.11.0-non-exec-stack.patch
+
+ # Allow users to test their own patches
+ epatch_user
+
+ # Regenerate autotools files
+ eautoreconf
+}
+
+src_configure() {
+ local myconf
+
+ # Respect ar, bug #468114
+ tc-export AR
+
+ # -fomit-frame-pointer "Assembler messages: Error: junk `8' after expression"
+ # while compiling insn_sse.c in none/tests/x86
+ # -fpie valgrind seemingly hangs when built with pie on
+ # amd64 (bug #102157)
+ # -fstack-protector more undefined references to __guard and __stack_smash_handler
+ # because valgrind doesn't link to glibc (bug #114347)
+ # -m64 -mx32 for multilib-portage, bug #398825
+ # -ggdb3 segmentation fault on startup
+ filter-flags -fomit-frame-pointer
+ filter-flags -fpie
+ filter-flags -fstack-protector
+ filter-flags -m64 -mx32
+ replace-flags -ggdb3 -ggdb2
+
+ if use amd64 || use ppc64; then
+ ! has_multilib_profile && myconf="${myconf} --enable-only64bit"
+ fi
+
+ # Force bitness on darwin, bug #306467
+ use x86-macos && myconf="${myconf} --enable-only32bit"
+ use x64-macos && myconf="${myconf} --enable-only64bit"
+
+ # Don't use mpicc unless the user asked for it (bug #258832)
+ if ! use mpi; then
+ myconf="${myconf} --without-mpicc"
+ fi
+
+ econf ${myconf}
+}
+
+src_install() {
+ emake DESTDIR="${D}" install
+ dodoc AUTHORS FAQ.txt NEWS README*
+
+ pax-mark m "${ED}"/usr/$(get_libdir)/valgrind/*-*-linux
+
+ if [[ ${CHOST} == *-darwin* ]] ; then
+ # fix install_names on shared libraries, can't turn them into bundles,
+ # as dyld won't load them any more then, bug #306467
+ local l
+ for l in "${ED}"/usr/lib/valgrind/*.so ; do
+ install_name_tool -id "${EPREFIX}"/usr/lib/valgrind/${l##*/} "${l}"
+ done
+ fi
+}
+
+pkg_postinst() {
+ elog "Valgrind will not work if glibc does not have debug symbols."
+ elog "To fix this you can add splitdebug to FEATURES in make.conf"
+ elog "and remerge glibc. See:"
+ elog "https://bugs.gentoo.org/show_bug.cgi?id=214065"
+ elog "https://bugs.gentoo.org/show_bug.cgi?id=274771"
+ elog "https://bugs.gentoo.org/show_bug.cgi?id=388703"
+}