sys-apps/memtest86+: runtime fix for >=gcc-8

Bug: https://bugs.gentoo.org/675270

Package-Manager: Portage-3.0.23, Repoman-3.0.3
Signed-off-by: Ben Kohler <bkohler@gentoo.org>

2 files changed, 126 insertions, 0 deletions

diff --git a/sys-apps/memtest86+/files/memtest86+-5.31b-fix-gcc8-freeze-crash.patch b/sys-apps/memtest86+/files/memtest86+-5.31b-fix-gcc8-freeze-crash.patch
new file mode 100644
index 000000000000..44d11b76b344
--- /dev/null
+++ b/sys-apps/memtest86+/files/memtest86+-5.31b-fix-gcc8-freeze-crash.patch
@@ -0,0 +1,12 @@
+diff -ur memtest86+-5.31b/Makefile memtest86+-5.31b.new/Makefile
+--- memtest86+-5.31b/Makefile	2021-09-16 09:27:24.401570971 -0500
++++ memtest86+-5.31b.new/Makefile	2021-09-16 09:30:24.332704245 -0500
+@@ -64,6 +64,9 @@
+ memsize.o: memsize.c
+ 	$(CC) -Wall -Werror -march=i486 -m32 -O0 -fomit-frame-pointer -fno-builtin -ffreestanding -fPIC $(SMP_FL) -fno-stack-protector   -c -o memsize.o memsize.c
+ 
++test.o: test.c
++test.o: CFLAGS += -fno-strict-overflow
++
+ random.o: random.c
+ random.o: CFLAGS += -O3 -fno-PIC
\ No newline at end of file
diff --git a/sys-apps/memtest86+/memtest86+-5.31b-r1.ebuild b/sys-apps/memtest86+/memtest86+-5.31b-r1.ebuild
new file mode 100644
index 000000000000..b56de8634e54
--- /dev/null
+++ b/sys-apps/memtest86+/memtest86+-5.31b-r1.ebuild
@@ -0,0 +1,114 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit mount-boot toolchain-funcs
+
+DESCRIPTION="Memory tester based on memtest86"
+HOMEPAGE="http://www.memtest.org/"
+SRC_URI="http://www.memtest.org/download/${PV}/${P}.tar.gz"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="-* ~amd64 ~x86"
+IUSE="+boot floppy iso serial"
+
+BOOTDIR="/boot/memtest86plus"
+QA_PRESTRIPPED="${BOOTDIR#/}/memtest usr/share/${PN}/memtest"
+QA_FLAGS_IGNORED="${BOOTDIR#/}/memtest usr/share/${PN}/memtest"
+
+RDEPEND="floppy? ( sys-fs/mtools )"
+DEPEND="${RDEPEND}"
+BDEPEND="iso? ( app-cdr/cdrtools )"
+
+PATCHES=(
+	"${FILESDIR}/${P}-gcc-473.patch"
+	"${FILESDIR}/${P}-hardcoded_cc.patch"
+	"${FILESDIR}/${P}-no-clean.patch" #557890
+	"${FILESDIR}/${P}-objcopy.patch"
+	"${FILESDIR}/${P}-test-random-cflags.patch" #590974
+	"${FILESDIR}/${P}-fix-gcc8-freeze-crash.patch"
+)
+
+pkg_pretend() {
+	use boot && mount-boot_pkg_pretend
+}
+
+src_prepare() {
+	sed -i -e 's,0x10000,0x100000,' memtest.lds || die
+	sed -i 's:genisoimage:mkisofs:' makeiso.sh || die
+
+	if use serial ; then
+		sed -i -e '/^#define SERIAL_CONSOLE_DEFAULT/s:0:1:' \
+			config.h || die "sed failed"
+	fi
+	default
+}
+
+src_configure() {
+	tc-ld-disable-gold #580212
+	tc-export AS CC LD
+}
+
+src_compile() {
+	emake OBJCOPY="$(tc-getOBJCOPY)"
+	if use iso ; then
+		./makeiso.sh || die
+	fi
+}
+
+src_test() { :; }
+
+src_install() {
+	if use boot ; then
+		insinto "${BOOTDIR}"
+		doins memtest memtest.bin
+	fi
+
+	insinto /usr/share/${PN}
+	use iso && newins mt*.iso memtest.iso
+	doins memtest memtest.bin
+
+	exeinto /etc/grub.d
+	newexe "${FILESDIR}"/39_${PN}-r1 39_${PN}
+
+	dodoc README README.build-process FAQ changelog
+
+	if use floppy ; then
+		dobin "${FILESDIR}"/make-memtest86+-boot-floppy
+		doman "${FILESDIR}"/make-memtest86+-boot-floppy.1
+	fi
+}
+
+pkg_preinst() {
+	use boot && mount-boot_pkg_preinst
+}
+
+pkg_postinst() {
+	if use boot; then
+		mount-boot_pkg_postinst
+
+		elog "memtest86+ has been installed in ${BOOTDIR}/"
+		elog "You may wish to update your bootloader configs by adding these lines:"
+		elog " - For grub2 just run grub-mkconfig, a configuration file is installed"
+		elog "   as /etc/grub.d/39_${PN}"
+		elog " - For grub legacy: (replace '?' with correct numbers for your boot partition)"
+		elog "    > title=${PN}"
+		elog "    > root (hd?,?)"
+		elog "    > kernel ${BOOTDIR}/memtest.bin"
+		elog " - For lilo:"
+		elog "    > image  = ${BOOTDIR}/memtest.bin"
+		elog "    > label  = ${PN}"
+		elog ""
+		elog "Note: For older configs, you might have to change from 'memtest' to 'memtest.bin'."
+	fi
+}
+
+pkg_prerm() {
+	use boot && mount-boot_pkg_prerm
+}
+
+pkg_postrm() {
+	use boot && mount-boot_pkg_postrm
+}