dev-libs/elfutils: avoid overriding libcxx system header

Closes: https://bugs.gentoo.org/925241
Signed-off-by: Alfred Wingate <parona@protonmail.com>
Closes: https://github.com/gentoo/gentoo/pull/35707
Signed-off-by: Sam James <sam@gentoo.org>

2 files changed, 151 insertions, 0 deletions

diff --git a/dev-libs/elfutils/elfutils-0.191-r1.ebuild b/dev-libs/elfutils/elfutils-0.191-r1.ebuild
new file mode 100644
index 000000000000..d46e6f245602
--- /dev/null
+++ b/dev-libs/elfutils/elfutils-0.191-r1.ebuild
@@ -0,0 +1,123 @@
+# Copyright 2003-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+VERIFY_SIG_OPENPGP_KEY_PATH=/usr/share/openpgp-keys/elfutils.gpg
+inherit autotools flag-o-matic multilib-minimal verify-sig
+
+DESCRIPTION="Libraries/utilities to handle ELF objects (drop in replacement for libelf)"
+HOMEPAGE="https://sourceware.org/elfutils/"
+SRC_URI="https://sourceware.org/elfutils/ftp/${PV}/${P}.tar.bz2"
+SRC_URI+=" verify-sig? ( https://sourceware.org/elfutils/ftp/${PV}/${P}.tar.bz2.sig )"
+
+LICENSE="|| ( GPL-2+ LGPL-3+ ) utils? ( GPL-3+ )"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux"
+IUSE="bzip2 debuginfod lzma nls static-libs test +utils zstd"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	!dev-libs/libelf
+	>=sys-libs/zlib-1.2.8-r1[static-libs?,${MULTILIB_USEDEP}]
+	bzip2? ( >=app-arch/bzip2-1.0.6-r4[static-libs?,${MULTILIB_USEDEP}] )
+	debuginfod? (
+		app-arch/libarchive:=
+		dev-db/sqlite:3=
+		net-libs/libmicrohttpd:=
+
+		net-misc/curl[static-libs?,${MULTILIB_USEDEP}]
+	)
+	lzma? ( >=app-arch/xz-utils-5.0.5-r1[static-libs?,${MULTILIB_USEDEP}] )
+	zstd? ( app-arch/zstd:=[static-libs?,${MULTILIB_USEDEP}] )
+	elibc_musl? (
+		dev-libs/libbsd
+		sys-libs/argp-standalone
+		sys-libs/fts-standalone
+		sys-libs/obstack-standalone
+	)
+"
+DEPEND="
+	${RDEPEND}
+"
+BDEPEND="
+	app-alternatives/lex
+	sys-devel/m4
+	virtual/pkgconfig
+	nls? ( sys-devel/gettext )
+	verify-sig? ( >=sec-keys/openpgp-keys-elfutils-20240301 )
+"
+
+PATCHES=(
+	"${FILESDIR}"/${PN}-0.189-musl-aarch64-regs.patch
+	"${FILESDIR}"/${PN}-0.191-musl-macros.patch
+	"${FILESDIR}"/${PN}-0.191-avoid-overriding-libcxx-system-header.patch
+)
+
+src_prepare() {
+	default
+
+	if ! use static-libs; then
+		sed -i -e '/^lib_LIBRARIES/s:=.*:=:' -e '/^%.os/s:%.o$::' lib{asm,dw,elf}/Makefile.in || die
+	fi
+
+	eautoreconf
+
+	# https://sourceware.org/PR23914
+	sed -i 's:-Werror::' */Makefile.in || die
+}
+
+src_configure() {
+	# bug #407135
+	use test && append-flags -g
+
+	# bug 660738
+	filter-flags -fno-asynchronous-unwind-tables
+
+	multilib-minimal_src_configure
+}
+
+multilib_src_configure() {
+	local myeconfargs=(
+		$(use_enable nls)
+		$(multilib_native_use_enable debuginfod)
+		$(use_enable debuginfod libdebuginfod)
+
+		# explicitly disable thread safety, it's not recommended by upstream
+		# doesn't build either on musl.
+		--disable-thread-safety
+
+		# Valgrind option is just for running tests under it; dodgy under sandbox
+		# and indeed even w/ glibc with newer instructions.
+		--disable-valgrind
+		--program-prefix="eu-"
+		--with-zlib
+		$(use_with bzip2 bzlib)
+		$(use_with lzma)
+		$(use_with zstd)
+	)
+
+	# Needed because sets alignment macro
+	is-flagq -fsanitize=address && myeconfargs+=( --enable-sanitize-address )
+	is-flagq -fsanitize=undefined && myeconfargs+=( --enable-sanitize-undefined )
+
+	ECONF_SOURCE="${S}" econf "${myeconfargs[@]}"
+}
+
+multilib_src_test() {
+	env LD_LIBRARY_PATH="${BUILD_DIR}/libelf:${BUILD_DIR}/libebl:${BUILD_DIR}/libdw:${BUILD_DIR}/libasm" \
+		LC_ALL="C" \
+		emake check VERBOSE=1
+}
+
+multilib_src_install_all() {
+	einstalldocs
+
+	dodoc NOTES
+
+	# These build quick, and are needed for most tests, so don't
+	# disable their building when the USE flag is disabled.
+	if ! use utils; then
+		rm -rf "${ED}"/usr/bin || die
+	fi
+}
diff --git a/dev-libs/elfutils/files/elfutils-0.191-avoid-overriding-libcxx-system-header.patch b/dev-libs/elfutils/files/elfutils-0.191-avoid-overriding-libcxx-system-header.patch
new file mode 100644
index 000000000000..acba803fa2f4
--- /dev/null
+++ b/dev-libs/elfutils/files/elfutils-0.191-avoid-overriding-libcxx-system-header.patch
@@ -0,0 +1,28 @@
+https://bugs.gentoo.org/925241
+
+Replace -I with -iquote to avoid overriding stack system header from libcxx-18
+with the previously built stack binary. Override DEFAULT_INLCUDES because m4
+adds -I. by default.
+
+--- a/config/eu.am
++++ b/config/eu.am
+@@ -31,7 +31,7 @@
+ ##
+ 
+ DEFS = -D_GNU_SOURCE -DHAVE_CONFIG_H -DLOCALEDIR='"${localedir}"'
+-AM_CPPFLAGS = -I. -I$(srcdir) -I$(top_srcdir)/lib -I..
++AM_CPPFLAGS = -iquote . -I$(srcdir) -I$(top_srcdir)/lib -I..
+ 
+ # Drop the 'u' flag that automake adds by default. It is incompatible
+ # with deterministic archives.
+--- a/src/Makefile.am
++++ b/src/Makefile.am
+@@ -19,6 +19,8 @@
+ include $(top_srcdir)/config/eu.am
+ DEFS += $(YYDEBUG) -DDEBUGPRED=@DEBUGPRED@ \
+ 	-DSRCDIR=\"$(shell cd $(srcdir);pwd)\" -DOBJDIR=\"$(shell pwd)\"
++
++DEFAULT_INCLUDES =
+ AM_CPPFLAGS += -I$(srcdir)/../libelf -I$(srcdir)/../libebl \
+ 	    -I$(srcdir)/../libdw -I$(srcdir)/../libdwelf \
+ 	    -I$(srcdir)/../libdwfl -I$(srcdir)/../libasm -I../debuginfod