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dev-libs/ffcall: fix compilation with clang
patch from upstream Closes: https://bugs.gentoo.org/829663 Signed-off-by: Z. Liu <zhixu.liu@gmail.com> Part-of: https://github.com/gentoo/gentoo/pull/42572 Signed-off-by: Sam James <sam@gentoo.org>
This commit is contained in:
Z. Liu
Sam James
69
dev-libs/ffcall/ffcall-2.4-r2.ebuild
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69
dev-libs/ffcall/ffcall-2.4-r2.ebuild
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# Copyright 1999-2025 Gentoo Authors
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# Distributed under the terms of the GNU General Public License v2
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EAPI=8
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inherit flag-o-matic libtool
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MY_PV="libffcall-${PV}"
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DESCRIPTION="Build foreign function call interfaces in embedded interpreter"
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HOMEPAGE="https://www.gnu.org/software/libffcall/"
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SRC_URI="mirror://gnu/libffcall/${MY_PV}.tar.gz"
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S="${WORKDIR}"/${MY_PV}
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# "Ffcall is under GNU GPL. As a special exception, if used in GNUstep
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# or in derivate works of GNUstep, the included parts of ffcall are
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# under GNU LGPL." -ffcall author
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LICENSE="GPL-2+"
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SLOT="0"
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KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~mips ~ppc ~ppc64 ~riscv ~sparc ~x86 ~amd64-linux ~x86-linux ~ppc-macos"
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PATCHES=(
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# bug 842915, drop on next version bump
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"${FILESDIR}"/${PN}-2.4-vacall-riscv-pic.patch
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"${FILESDIR}"/${PN}-2.4-slibtool.patch # 776976
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"${FILESDIR}"/${PN}-2.4-create-a-read-only-.eh_frame-section-on-all-p.patch # 829663
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)
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src_prepare() {
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# The build system is a strange mix of autogenerated
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# files and manual tweaks on top. Uses $CFLAGS / $LDFLAGS randomly.
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# We are adding them consistently here and a bit over the top:
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# bugs: #334581
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local mfi
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for mfi in {,*/,*/*/,}Makefile.in ; do
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einfo "Patching '${mfi}'"
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# usually uses only assembler here, but -march=
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# and -Wa, are a must to pass here.
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sed -e 's/$(CC) /&$(CFLAGS) /g' \
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-i "${mfi}" || die
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done
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default
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elibtoolize
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}
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src_configure() {
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append-flags -fPIC
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# Doc goes in datadir
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econf \
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--datadir="${EPREFIX}"/usr/share/doc/${PF} \
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--enable-shared \
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--disable-static
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}
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src_compile() {
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# TODO. Remove -j1
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emake -j1
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}
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src_install() {
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dodoc NEWS README
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dodir /usr/share/man
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default
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find "${ED}" -name '*.la' -delete || die
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}
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@@ -0,0 +1,65 @@
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https://git.savannah.gnu.org/cgit/libffcall.git/commit/?id=580f0bb144c0d63560c61229291e172e55971437
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From 580f0bb144c0d63560c61229291e172e55971437 Mon Sep 17 00:00:00 2001
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From: Bruno Haible <bruno@clisp.org>
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Date: Sat, 26 Jun 2021 18:19:21 +0200
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Subject: [PATCH] x86_64: Create a read-only .eh_frame section on all
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platforms.
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Reported by Thomas Klausner <tk@giga.or.at> at
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<https://savannah.gnu.org/bugs/?60815>.
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* common/asm-x86_64.h (EH_FRAME_SECTION): Use flags "a" (instead of
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"aw") on all platforms.
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diff --git a/ChangeLog b/ChangeLog
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index 1e87b99..d2bde2a 100644
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--- a/ChangeLog
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+++ b/ChangeLog
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@@ -1,3 +1,11 @@
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+2021-06-26 Bruno Haible <bruno@clisp.org>
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+
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+ x86_64: Create a read-only .eh_frame section on all platforms.
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+ Reported by Thomas Klausner <tk@giga.or.at> at
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+ <https://savannah.gnu.org/bugs/?60815>.
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+ * common/asm-x86_64.h (EH_FRAME_SECTION): Use flags "a" (instead of
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+ "aw") on all platforms.
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+
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2021-06-13 Bruno Haible <bruno@clisp.org>
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maint: Don't require an internet connection for running autogen.sh.
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diff --git a/common/asm-x86_64.h b/common/asm-x86_64.h
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index b4713d7..edb1ea5 100644
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--- a/common/asm-x86_64.h
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+++ b/common/asm-x86_64.h
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@@ -279,11 +279,24 @@
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// Solaris/ELF
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#define EH_FRAME_SECTION .eh_frame,"aL",link=.text,@unwind
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#else
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-#if defined __FreeBSD__
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-// FreeBSD/ELF
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+// The eh_frame section was usually writable (flags "aw") in older OS versions,
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+// but can be made read-only (flags "a") under specific conditions, depending
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+// on the assembler's behaviour (look for EH_TABLES_CAN_BE_READ_ONLY in
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+// gcc-11.1.0/gcc/defaults.h).
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+// To determine whether the eh_frame section is writable or read-only by
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+// default, compile a simple program:
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+// gcc -S -fno-dwarf2-cfi-asm hello.c (GCC >= 4.4)
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+// or
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+// gcc -S hello.c (GCC < 4.4)
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+// The result is that all modern systems (at least Ubuntu >= 16.04,
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+// Red Hat Enterprise Linux >= 5, Fedora >= 13, Alpine Linux >= 3.7,
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+// FreeBSD >= 11, DragonFly BSD >= 6, NetBSD >= 7, OpenBSD >= 6)
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+// use a read-only eh_frame section.
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+#if 1
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+// all modern systems
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#define EH_FRAME_SECTION .eh_frame,"a",@progbits
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#else
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-// Linux/ELF
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+// only very old systems
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#define EH_FRAME_SECTION .eh_frame,"aw",@progbits
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#endif
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#endif
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--
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2.45.2
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