commit:     ec4dcc1f4358d656ce83ffc867429259fd67e1ce
Author:     Sam James <sam <AT> gentoo <DOT> org>
AuthorDate: Thu May 29 21:43:44 2025 +0000
Commit:     Sam James <sam <AT> gentoo <DOT> org>
CommitDate: Thu May 29 21:44:41 2025 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=ec4dcc1f

dev-libs/libffi: build static libraries as PIC

There's a decent argument to be made that we should do this for anything
w/ USE=static-libs. Anyway, this is needed for offload which automagically
uses libffi.a if available over libffi.so, but is of course right to do
anyway.

Bug: https://bugs.gentoo.org/956810
Signed-off-by: Sam James <sam <AT> gentoo.org>

 dev-libs/libffi/libffi-3.4.8-r2.ebuild | 99 ++++++++++++++++++++++++++++++++++
 1 file changed, 99 insertions(+)

diff --git a/dev-libs/libffi/libffi-3.4.8-r2.ebuild 
b/dev-libs/libffi/libffi-3.4.8-r2.ebuild
new file mode 100644
index 000000000000..6386a4b761eb
--- /dev/null
+++ b/dev-libs/libffi/libffi-3.4.8-r2.ebuild
@@ -0,0 +1,99 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit dot-a multilib-minimal preserve-libs
+
+MY_PV=${PV/_rc/-rc}
+MY_P=${PN}-${MY_PV}
+
+DESCRIPTION="Portable, high level programming interface to various calling 
conventions"
+HOMEPAGE="https://sourceware.org/libffi/";
+
+if [[ ${PV} == 9999 ]] ; then
+       EGIT_REPO_URI="https://github.com/libffi/libffi";
+       inherit autotools git-r3
+else
+       inherit libtool
+       
SRC_URI="https://github.com/libffi/libffi/releases/download/v${MY_PV}/${MY_P}.tar.gz";
+
+       KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~loong ~m68k ~mips ~ppc 
~ppc64 ~riscv ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos 
~x64-macos ~x64-solaris"
+fi
+
+S="${WORKDIR}"/${MY_P}
+
+LICENSE="MIT"
+# This is a core package which is depended on by e.g. Python.
+# Please use preserve-libs.eclass in pkg_{pre,post}inst to cover users
+# with FEATURES="-preserved-libs" or another package manager if SONAME changes.
+SLOT="0/8" # SONAME=libffi.so.8
+IUSE="debug +exec-static-trampoline pax-kernel static-libs test"
+
+RESTRICT="!test? ( test )"
+BDEPEND="test? ( dev-util/dejagnu )"
+
+PATCHES=(
+       "${FILESDIR}"/${PN}-3.4.8-pa-add-.note.GNU-stack-marker-to-linux.S.patch
+)
+
+src_prepare() {
+       default
+
+       if [[ ${PV} == 9999 ]] ; then
+               eautoreconf
+       else
+               elibtoolize
+       fi
+
+       if [[ ${CHOST} == arm64-*-darwin* ]] ; then
+               # ensure we use aarch64 asm, not x86 on arm64
+               sed -i -e 's/aarch64\*-\*-\*/arm64*-*-*|&/' \
+                       configure configure.host || die
+       fi
+}
+
+src_configure() {
+       use static-libs && lto-guarantee-fat
+       multilib-minimal_src_configure
+}
+
+multilib_src_configure() {
+       # --includedir= path maintains a few properties:
+       # 1. have stable name across libffi versions: some packages like
+       #    dev-lang/ghc or kde-frameworks/networkmanager-qt embed
+       #    ${includedir} at build-time. Don't require those to be
+       #    rebuilt unless SONAME changes. bug #695788
+       #
+       #    We use /usr/.../${PN} (instead of former /usr/.../${P}).
+       #
+       # 2. have ${ABI}-specific location as ffi.h is target-dependent.
+       #
+       #    We use /usr/$(get_libdir)/... to have ABI identifier.
+       ECONF_SOURCE="${S}" econf \
+               --includedir="${EPREFIX}"/usr/$(get_libdir)/${PN}/include \
+               --disable-multi-os-directory \
+               --with-pic \
+               $(use_enable static-libs static) \
+               $(use_enable exec-static-trampoline exec-static-tramp) \
+               $(use_enable pax-kernel pax_emutramp) \
+               $(use_enable debug)
+}
+
+multilib_src_test() {
+       emake -Onone check
+}
+
+multilib_src_install_all() {
+       einstalldocs
+       find "${ED}" -name "*.la" -delete || die
+       strip-lto-bytecode
+}
+
+pkg_preinst() {
+       preserve_old_lib /usr/$(get_libdir)/libffi.so.7
+}
+
+pkg_postinst() {
+       preserve_old_lib_notify /usr/$(get_libdir)/libffi.so.7
+}

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