dev-lang/spidermonkey: Fix LTO compilations

Thanks-to: Alexander Miller <alex.miller@gmx.de>
Closes: https://bugs.gentoo.org/687812
Package-Manager: Portage-2.3.67, Repoman-2.3.14
Signed-off-by: Jory Pratt <anarchy@gentoo.org>

2 files changed, 206 insertions, 0 deletions

diff --git a/dev-lang/spidermonkey/files/spidermonkey-1.8.5-LTO.patch b/dev-lang/spidermonkey/files/spidermonkey-1.8.5-LTO.patch
new file mode 100644
index 000000000000..7c36b5525b04
--- /dev/null
+++ b/dev-lang/spidermonkey/files/spidermonkey-1.8.5-LTO.patch
@@ -0,0 +1,58 @@
+From 6ff7ad09daf98e5b804cf73c066c382a76e74e8c Mon Sep 17 00:00:00 2001
+From: Alexander Miller <alex.miller@gmx.de>
+Date: Wed, 12 Jun 2019 00:29:23 -0500
+Subject: [PATCH] Fix breakage with lto builds
+
+<artificial>:(.text+0x7a): undefined reference to `PopActiveVMFrame'
+collect2: error: ld returned 1 exit status
+
+Signed-off-by: Alexander Miller <alex.miller@gmx.de>
+---
+ js/src/methodjit/InvokeHelpers.cpp | 2 +-
+ js/src/methodjit/MethodJIT.cpp     | 6 +++---
+ 2 files changed, 4 insertions(+), 4 deletions(-)
+
+diff --git a/js/src/methodjit/InvokeHelpers.cpp b/js/src/methodjit/InvokeHelpers.cpp
+index d017c2a..abde396 100644
+--- a/js/src/methodjit/InvokeHelpers.cpp
++++ b/js/src/methodjit/InvokeHelpers.cpp
+@@ -500,7 +500,7 @@ stubs::PutActivationObjects(VMFrame &f)
+     js::PutActivationObjects(f.cx, f.fp());
+ }
+ 
+-extern "C" void *
++extern "C" void * __attribute__((used))
+ js_InternalThrow(VMFrame &f)
+ {
+     JSContext *cx = f.cx;
+diff --git a/js/src/methodjit/MethodJIT.cpp b/js/src/methodjit/MethodJIT.cpp
+index 4feefbc..66099e6 100644
+--- a/js/src/methodjit/MethodJIT.cpp
++++ b/js/src/methodjit/MethodJIT.cpp
+@@ -120,20 +120,20 @@ static uint32 StubCallsForOp[STUB_CALLS_FOR_OP_COUNT];
+ 
+ extern "C" void JaegerTrampolineReturn();
+ 
+-extern "C" void JS_FASTCALL
++extern "C" void JS_FASTCALL __attribute__((used))
+ PushActiveVMFrame(VMFrame &f)
+ {
+     f.entryfp->script()->compartment->jaegerCompartment->pushActiveFrame(&f);
+     f.regs.fp->setNativeReturnAddress(JS_FUNC_TO_DATA_PTR(void*, JaegerTrampolineReturn));
+ }
+ 
+-extern "C" void JS_FASTCALL
++extern "C" void JS_FASTCALL __attribute__((used))
+ PopActiveVMFrame(VMFrame &f)
+ {
+     f.entryfp->script()->compartment->jaegerCompartment->popActiveFrame();
+ }
+ 
+-extern "C" void JS_FASTCALL
++extern "C" void JS_FASTCALL __attribute__((used))
+ SetVMFrameRegs(VMFrame &f)
+ {
+     f.cx->setCurrentRegs(&f.regs);
+-- 
+2.22.0
+
diff --git a/dev-lang/spidermonkey/spidermonkey-1.8.5-r8.ebuild b/dev-lang/spidermonkey/spidermonkey-1.8.5-r8.ebuild
new file mode 100644
index 000000000000..cb71d7631a58
--- /dev/null
+++ b/dev-lang/spidermonkey/spidermonkey-1.8.5-r8.ebuild
@@ -0,0 +1,148 @@
+# Copyright 1999-2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+WANT_AUTOCONF="2.1"
+PYTHON_COMPAT=( python2_7 )
+PYTHON_REQ_USE="threads"
+inherit autotools toolchain-funcs multilib python-any-r1 versionator pax-utils
+
+MY_PN="js"
+TARBALL_PV="$(replace_all_version_separators '' $(get_version_component_range 1-3))"
+MY_P="${MY_PN}-${PV}"
+TARBALL_P="${MY_PN}${TARBALL_PV}-1.0.0"
+DESCRIPTION="Stand-alone JavaScript C library"
+HOMEPAGE="https://developer.mozilla.org/en-US/docs/Mozilla/Projects/SpiderMonkey"
+SRC_URI="https://archive.mozilla.org/pub/js/${TARBALL_P}.tar.gz
+	https://dev.gentoo.org/~axs/distfiles/${PN}-slot0-patches-02.tar.xz
+	"
+
+LICENSE="NPL-1.1"
+SLOT="0/mozjs185"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~amd64-fbsd ~x86-fbsd ~x64-macos"
+IUSE="debug minimal static-libs test"
+
+S="${WORKDIR}/${MY_P}"
+BUILDDIR="${S}/js/src"
+
+RDEPEND=">=dev-libs/nspr-4.7.0
+	sys-libs/readline:0=
+	x64-macos? ( dev-libs/jemalloc )"
+DEPEND="${RDEPEND}
+	${PYTHON_DEPS}
+	app-arch/zip
+	virtual/pkgconfig"
+
+PATCHES=(
+	"${WORKDIR}"/sm0/${P}-fix-install-symlinks.patch
+	"${WORKDIR}"/sm0/${P}-fix-ppc64.patch
+	"${WORKDIR}"/sm0/${P}-arm_respect_cflags-3.patch
+	"${WORKDIR}"/sm0/${PN}-1.8.7-freebsd-pthreads.patch
+	"${WORKDIR}"/sm0/${P}-perf_event-check.patch
+	"${WORKDIR}"/sm0/${P}-symbol-versions.patch
+	"${WORKDIR}"/sm0/${P}-ia64-fix.patch
+	"${WORKDIR}"/sm0/${P}-ia64-static-strings.patch
+	"${WORKDIR}"/sm0/${P}-isfinite.patch
+	"${FILESDIR}"/${PN}-perl-defined-array-check.patch
+	"${WORKDIR}"/sm0/${PN}-1.8.7-x32.patch
+	"${WORKDIR}"/sm0/${P}-gcc6.patch
+	"${WORKDIR}"/sm0/${P}-drop-asm-volatile-toplevel.patch
+	"${FILESDIR}"/${P}-LTO.patch
+)
+
+DOCS=( ${S}/README )
+HTML_DOCS=( ${BUILDDIR}/README.html )
+
+pkg_setup(){
+	if [[ ${MERGE_TYPE} != "binary" ]]; then
+		export LC_ALL="C"
+	fi
+}
+
+src_prepare() {
+	pwd
+
+	default
+
+	cd "${BUILDDIR}" || die
+	eautoconf
+}
+
+src_configure() {
+	cd "${BUILDDIR}" || die
+
+	CC="$(tc-getCC)" CXX="$(tc-getCXX)" \
+	AR="$(tc-getAR)" RANLIB="$(tc-getRANLIB)" \
+	LD="$(tc-getLD)" \
+	ac_cv_lib_dnet_dnet_ntoa=no \
+	ac_cv_lib_dnet_stub_dnet_ntoa=no \
+	econf \
+		${myopts} \
+		--enable-jemalloc \
+		--enable-readline \
+		--enable-threadsafe \
+		--with-system-nspr \
+		--disable-optimize \
+		--disable-profile-guided-optimization \
+		$(use_enable debug) \
+		$(use_enable static-libs static) \
+		$(use_enable test tests)
+}
+
+cross_make() {
+	emake \
+		CFLAGS="${BUILD_CFLAGS}" \
+		CXXFLAGS="${BUILD_CXXFLAGS}" \
+		AR="${BUILD_AR}" \
+		CC="${BUILD_CC}" \
+		CXX="${BUILD_CXX}" \
+		RANLIB="${BUILD_RANLIB}" \
+		"$@"
+}
+src_compile() {
+	cd "${BUILDDIR}" || die
+	if tc-is-cross-compiler; then
+		tc-export_build_env BUILD_{AR,CC,CXX,RANLIB}
+		cross_make jscpucfg host_jsoplengen host_jskwgen
+		cross_make -C config nsinstall
+		mv {,native-}jscpucfg || die
+		mv {,native-}host_jskwgen || die
+		mv {,native-}host_jsoplengen || die
+		mv config/{,native-}nsinstall || die
+		sed -i \
+			-e 's@./jscpucfg@./native-jscpucfg@' \
+			-e 's@./host_jskwgen@./native-host_jskwgen@' \
+			-e 's@./host_jsoplengen@./native-host_jsoplengen@' \
+			Makefile || die
+		sed -i -e 's@/nsinstall@/native-nsinstall@' config/config.mk || die
+		rm -f config/host_nsinstall.o \
+			config/host_pathsub.o \
+			host_jskwgen.o \
+			host_jsoplengen.o || die
+	fi
+	emake
+}
+
+src_test() {
+	cd "${BUILDDIR}/jsapi-tests" || die
+	# for bug 415791
+	pax-mark mr jsapi-tests
+	emake check
+}
+
+src_install() {
+	cd "${BUILDDIR}" || die
+	emake DESTDIR="${D}" install
+	# bug 437520 , exclude js shell for small systems
+	if ! use minimal ; then
+		dobin shell/js
+		pax-mark m "${ED}/usr/bin/js"
+	fi
+	einstalldocs
+
+	if ! use static-libs; then
+		# We can't actually disable building of static libraries
+		# They're used by the tests and in a few other places
+		find "${D}" -iname '*.a' -delete || die
+	fi
+}