commit:     fbee23c113df5cc0e082abead6e45b08700c60b1
Author:     Felix Janda <felix.janda <AT> posteo <DOT> de>
AuthorDate: Mon Nov  3 18:47:36 2014 +0000
Commit:     Anthony G. Basile <blueness <AT> gentoo <DOT> org>
CommitDate: Tue Nov  4 18:33:06 2014 +0000
URL:        
http://sources.gentoo.org/gitweb/?p=proj/hardened-dev.git;a=commit;h=fbee23c1

dev-libs/gmp: support for powerpc

Signed-off-by: Anthony G. Basile <blueness <AT> gentoo.org>

---
 dev-libs/gmp/files/gmp-4.1.4-noexecstack.patch |  20 +++++
 dev-libs/gmp/files/gmp-5.1.3-secure-plt.patch  |  17 ++++
 dev-libs/gmp/gmp-5.1.3-r99.ebuild              | 120 +++++++++++++++++++++++++
 dev-libs/gmp/metadata.xml                      |   8 ++
 4 files changed, 165 insertions(+)

diff --git a/dev-libs/gmp/files/gmp-4.1.4-noexecstack.patch 
b/dev-libs/gmp/files/gmp-4.1.4-noexecstack.patch
new file mode 100644
index 0000000..093bec1
--- /dev/null
+++ b/dev-libs/gmp/files/gmp-4.1.4-noexecstack.patch
@@ -0,0 +1,20 @@
+fixed executable stack
+
+http://bugs.gentoo.org/115038
+
+--- gmp-4.1.4/configure
++++ gmp-4.1.4/configure
+@@ -21689,6 +21689,13 @@
+ fi
+ echo "')" >> $gmp_configm4
+ echo "define(\`__CONFIG_M4_INCLUDED__')" >> $gmp_configm4
++# Gentoo hack
++case $host_os in
++      *linux*)
++              echo '.section .note.GNU-stack,"",%progbits' >> $gmp_configm4
++              echo '.previous' >> $gmp_configm4
++              ;;
++esac
+ 
+ # Create Makefiles
+ # FIXME: Upcoming version of autoconf/automake may not like broken lines.

diff --git a/dev-libs/gmp/files/gmp-5.1.3-secure-plt.patch 
b/dev-libs/gmp/files/gmp-5.1.3-secure-plt.patch
new file mode 100644
index 0000000..7fe6752
--- /dev/null
+++ b/dev-libs/gmp/files/gmp-5.1.3-secure-plt.patch
@@ -0,0 +1,17 @@
+Make it work with secure_plt
+diff -ru a/gmp-5.1.3/mpn/powerpc32/elf.m4 b/gmp-5.1.3/mpn/powerpc32/elf.m4
+--- a/gmp-5.1.3/mpn/powerpc32/elf.m4
++++ b/gmp-5.1.3/mpn/powerpc32/elf.m4
+@@ -41,8 +41,10 @@
+ m4_assert_numargs(2)
+ `ifdef(`PIC',`
+       mflr    r0
+-      bl      _GLOBAL_OFFSET_TABLE_@local-4
+-      mflr    $1
++      bcl 20, 31, 1f
++1:    mflr $1
++      addis $1, $1, (_GLOBAL_OFFSET_TABLE_-1b)@ha
++      addi $1, $1, (_GLOBAL_OFFSET_TABLE_-1b)@l
+       mtlr    r0
+       lwz     $1, $2@got($1)
+ ',`

diff --git a/dev-libs/gmp/gmp-5.1.3-r99.ebuild 
b/dev-libs/gmp/gmp-5.1.3-r99.ebuild
new file mode 100644
index 0000000..b045ff9
--- /dev/null
+++ b/dev-libs/gmp/gmp-5.1.3-r99.ebuild
@@ -0,0 +1,120 @@
+# Copyright 1999-2014 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/dev-libs/gmp/gmp-5.1.3-r1.ebuild,v 1.19 
2014/05/14 14:41:58 ago Exp $
+
+EAPI="4"
+
+inherit flag-o-matic eutils libtool toolchain-funcs multilib-minimal
+
+MY_PV=${PV/_p*}
+MY_P=${PN}-${MY_PV}
+PLEVEL=${PV/*p}
+DESCRIPTION="Library for arithmetic on arbitrary precision integers, rational 
numbers, and floating-point numbers"
+HOMEPAGE="http://gmplib.org/";
+SRC_URI="mirror://gnu/${PN}/${MY_P}.tar.xz
+       ftp://ftp.gmplib.org/pub/${MY_P}/${MY_P}.tar.xz
+       doc? ( http://gmplib.org/${PN}-man-${MY_PV}.pdf )"
+
+LICENSE="LGPL-3"
+SLOT="0"
+KEYWORDS="amd64 arm ~mips x86"
+IUSE="doc cxx pgo static-libs"
+
+DEPEND="sys-devel/m4
+       app-arch/xz-utils"
+RDEPEND="abi_x86_32? (
+       !<=app-emulation/emul-linux-x86-baselibs-20131008-r1
+       !app-emulation/emul-linux-x86-baselibs[-abi_x86_32(-)]
+)"
+
+S=${WORKDIR}/${MY_P}
+
+DOCS=( AUTHORS ChangeLog NEWS README doc/configuration doc/isa_abi_headache )
+HTML_DOCS=( doc )
+MULTILIB_WRAPPED_HEADERS=( /usr/include/gmp.h )
+
+src_prepare() {
+       [[ -d ${FILESDIR}/${PV} ]] && EPATCH_SUFFIX="diff" EPATCH_FORCE="yes" 
epatch "${FILESDIR}"/${PV}
+       epatch "${FILESDIR}"/${PN}-4.1.4-noexecstack.patch
+
+       epatch "${FILESDIR}"/${PN}-5.1.3-secure-plt.patch
+
+       # note: we cannot run autotools here as gcc depends on this package
+       elibtoolize
+
+       # GMP uses the "ABI" env var during configure as does Gentoo (econf).
+       # So, to avoid patching the source constantly, wrap things up.
+       mv configure configure.wrapped || die
+       cat <<-\EOF > configure
+       #!/bin/sh
+       exec env ABI="$GMPABI" "$0.wrapped" "$@"
+       EOF
+       chmod a+rx configure
+}
+
+multilib_src_configure() {
+       # Because of our 32-bit userland, 1.0 is the only HPPA ABI that works
+       # http://gmplib.org/manual/ABI-and-ISA.html#ABI-and-ISA (bug #344613)
+       if [[ ${CHOST} == hppa2.0-* ]] ; then
+               export GMPABI="1.0"
+       fi
+
+       # ABI mappings (needs all architectures supported)
+       case ${ABI} in
+               32|x86)       GMPABI=32;;
+               64|amd64|n64) GMPABI=64;;
+               [onx]32)      GMPABI=${ABI};;
+       esac
+       export GMPABI
+
+       tc-export CC
+       ECONF_SOURCE="${S}" econf \
+               --localstatedir=/var/state/gmp \
+               --enable-shared \
+               $(use_enable cxx) \
+               $(use_enable static-libs static)
+}
+
+multilib_src_compile() {
+       emake
+
+       if use pgo ; then
+               emake -j1 -C tune tuneup
+               ebegin "Trying to generate tuned data"
+               ./tune/tuneup | tee gmp.mparam.h.new
+               if eend $(( 0 + ${PIPESTATUS[*]/#/+} )) ; then
+                       mv gmp.mparam.h.new gmp-mparam.h || die
+                       emake clean
+                       emake
+               fi
+       fi
+}
+
+multilib_src_test() {
+       emake check
+}
+
+multilib_src_install() {
+       emake DESTDIR="${D}" install
+
+       # should be a standalone lib
+       rm -f "${D}"/usr/$(get_libdir)/libgmp.la
+       # this requires libgmp
+       local la="${D}/usr/$(get_libdir)/libgmpxx.la"
+       use static-libs \
+               && sed -i 's:/[^ ]*/libgmp.la:-lgmp:' "${la}" \
+               || rm -f "${la}"
+}
+
+multilib_src_install_all() {
+       einstalldocs
+       use doc && cp "${DISTDIR}"/gmp-man-${MY_PV}.pdf 
"${D}"/usr/share/doc/${PF}/
+}
+
+pkg_preinst() {
+       preserve_old_lib /usr/$(get_libdir)/libgmp.so.3
+}
+
+pkg_postinst() {
+       preserve_old_lib_notify /usr/$(get_libdir)/libgmp.so.3
+}

diff --git a/dev-libs/gmp/metadata.xml b/dev-libs/gmp/metadata.xml
new file mode 100644
index 0000000..b419bd1
--- /dev/null
+++ b/dev-libs/gmp/metadata.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd";>
+<pkgmetadata>
+<herd>toolchain</herd>
+<use>
+ <flag name='pgo'>after building gmp, run some tests against to produce faster 
libraries -- this option will double the compile time</flag>
+</use>
+</pkgmetadata>

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