gmp: upgraded package to upstream

Upgraded dev-libs/gmp to version 6.2.1-r2 on amd64, arm and arm64

BUG=chromium:1271896
TEST=FEATURES="test" emerge dev-libs/gmp

Change-Id: I33991d1b7271a2411b5b4d8be7d02e4e50665052
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/3351990
Reviewed-by: Allen Webb <allenwebb@google.com>
Tested-by: Zi Lin <lziest@chromium.org>
Reviewed-by: Manoj Gupta <manojgupta@chromium.org>
Commit-Queue: Zi Lin <lziest@chromium.org>
diff --git a/dev-libs/gmp/Manifest b/dev-libs/gmp/Manifest
index 60d06ef..846b78d 100644
--- a/dev-libs/gmp/Manifest
+++ b/dev-libs/gmp/Manifest
@@ -1,2 +1,3 @@
+DIST gmp-6.2.1-arm64-darwin.patch.bz2 2520 BLAKE2B 3d4e9dbd29dc9aa81f0c9e0de4a5904c989d54148c9e3dcc5097a43b3fb1ecd17802dacfc71ee131c0805a345f5dce9009e88439758d3a0ed8b3a88526353b4a SHA512 72d49f09c3facd75036c945e076207e72e5673ba9605999c32a122e43e8b970ed646c8ca8f07acbb62bff5e7c387d4c8e1f73ca73e50ac3f574b5f6471d66d56
 DIST gmp-6.2.1.tar.xz 2027316 BLAKE2B c0d85f175392a50cfa01bc6b0a312b235946ad8b4f6f84f6dabd33d7a6f2cc75c9b0e1e33057be07750bfa0145b7c4cf3b6188a5be6ca9d7271ec2276c84ebcb SHA512 c99be0950a1d05a0297d65641dd35b75b74466f7bf03c9e8a99895a3b2f9a0856cd17887738fa51cf7499781b65c049769271cbcb77d057d2e9f1ec52e07dd84
-DIST gmp-man-6.2.0.pdf 828998 BLAKE2B 0bf56bf0a6f1aac0e1fb9a5a37552f846a2d4a01bfd3f5b5c531d42a9afc48c19552e08971785805f59e3f2a5fd89e3f986f841dca2e340813596cfd76574e61 SHA512 25d129efedd329cd2d4535557c6912191f587bfd8ef028618b4ca6199ec7bf7a9ae862e7f5e5b5448c86888452a39fc7bf95cf9c18311858dd1aa9ae1c716239
+DIST gmp-man-6.2.1.pdf 827583 BLAKE2B 9aa25457a3c488e37cc7d54d825253ab749a3780919570579b319cf607001de50b212ca387b70213abcc5ab428b4525bdb9cd8ae932798a2d7928da98ce3f353 SHA512 f2d9d02e97975355ef490e921fedc94fb7687c3661eec8fa2e94a1622b6e59b17b3879eb3ec1f2df8edac100f727175144d107f4c49c602b773c43bc9e91dbcb
diff --git a/dev-libs/gmp/files/gmp-6.2.1-CVE-2021-43618.patch b/dev-libs/gmp/files/gmp-6.2.1-CVE-2021-43618.patch
new file mode 100644
index 0000000..90129ec
--- /dev/null
+++ b/dev-libs/gmp/files/gmp-6.2.1-CVE-2021-43618.patch
@@ -0,0 +1,17 @@
+https://bugs.gentoo.org/823804
+https://gmplib.org/repo/gmp-6.2/rev/561a9c25298e
+--- a/mpz/inp_raw.c
++++ b/mpz/inp_raw.c
+@@ -88,8 +88,11 @@ mpz_inp_raw (mpz_ptr x, FILE *fp)
+ 
+   abs_csize = ABS (csize);
+ 
++  if (UNLIKELY (abs_csize > ~(mp_bitcnt_t) 0 / 8))
++    return 0; /* Bit size overflows */
++
+   /* round up to a multiple of limbs */
+-  abs_xsize = BITS_TO_LIMBS (abs_csize*8);
++  abs_xsize = BITS_TO_LIMBS ((mp_bitcnt_t) abs_csize * 8);
+ 
+   if (abs_xsize != 0)
+     {
diff --git a/dev-libs/gmp/gmp-6.2.1-r1.ebuild b/dev-libs/gmp/gmp-6.2.1-r2.ebuild
similarity index 86%
rename from dev-libs/gmp/gmp-6.2.1-r1.ebuild
rename to dev-libs/gmp/gmp-6.2.1-r2.ebuild
index b234a24..c1dc21f 100644
--- a/dev-libs/gmp/gmp-6.2.1-r1.ebuild
+++ b/dev-libs/gmp/gmp-6.2.1-r2.ebuild
@@ -7,8 +7,8 @@
 
 MY_PV=${PV/_p*}
 MY_PV=${MY_PV/_/-}
-MANUAL_PV=$MY_PV
-MANUAL_PV=6.2.0 # 6.2.1 manual is not ready yet
+MANUAL_PV=${MY_PV}
+MANUAL_PV=6.2.1
 MY_P=${PN}-${MY_PV}
 PLEVEL=${PV/*p}
 DESCRIPTION="Library for arbitrary-precision arithmetic on different type of numbers"
@@ -16,6 +16,7 @@
 SRC_URI="ftp://ftp.gmplib.org/pub/${MY_P}/${MY_P}.tar.xz
 	mirror://gnu/${PN}/${MY_P}.tar.xz
 	doc? ( https://gmplib.org/${PN}-man-${MANUAL_PV}.pdf )"
+SRC_URI+=" https://dev.gentoo.org/~sam/distfiles/${CATEGORY}/${PN}/${P}-arm64-darwin.patch.bz2"
 
 LICENSE="|| ( LGPL-3+ GPL-2+ )"
 # The subslot reflects the C & C++ SONAMEs.
@@ -35,15 +36,17 @@
 PATCHES=(
 	"${FILESDIR}"/${PN}-6.1.0-noexecstack-detect.patch
 	"${FILESDIR}"/${PN}-6.2.1-no-zarch.patch
+	"${WORKDIR}"/${P}-arm64-darwin.patch
+	"${FILESDIR}"/${P}-CVE-2021-43618.patch
 )
 
 src_prepare() {
 	default
 
-	# note: we cannot run autotools here as gcc depends on this package
+	# We cannot run autotools here as gcc depends on this package
 	elibtoolize
 
-	# https://bugs.gentoo.org/536894
+	# bug #536894
 	if [[ ${CHOST} == *-darwin* ]] ; then
 		eapply "${FILESDIR}"/${PN}-6.1.2-gcc-apple-4.0.1.patch
 	fi
@@ -55,6 +58,7 @@
 	#!/usr/bin/env sh
 	exec env ABI="${GMPABI}" "$0.wrapped" "$@"
 	EOF
+
 	# Patches to original configure might have lost the +x bit.
 	chmod a+rx configure{,.wrapped} || die
 }
@@ -74,14 +78,15 @@
 	esac
 	export GMPABI
 
-	#367719
+	# bug #367719
 	if [[ ${CHOST} == *-mint* ]]; then
 		filter-flags -O?
 	fi
 
+	tc-export CC
+
 	# --with-pic forces static libraries to be built as PIC
 	# and without TEXTRELs. musl does not support TEXTRELs: bug #707332
-	tc-export CC
 	ECONF_SOURCE="${S}" econf \
 		CC_FOR_BUILD="$(tc-getBUILD_CC)" \
 		--localstatedir="${EPREFIX}"/var/state/gmp \
@@ -95,11 +100,14 @@
 multilib_src_install() {
 	emake DESTDIR="${D}" install
 
-	# should be a standalone lib
+	# Should be a standalone lib
 	rm -f "${ED}"/usr/$(get_libdir)/libgmp.la
-	# this requires libgmp
+
+	# This requires libgmp
 	local la="${ED}/usr/$(get_libdir)/libgmpxx.la"
-	use static-libs || rm -f "${la}"
+	if ! use static-libs ; then
+		rm -f "${la}"
+	fi
 }
 
 multilib_src_install_all() {
diff --git a/dev-libs/gmp/metadata.xml b/dev-libs/gmp/metadata.xml
index 2b4236a..e98fbcb 100644
--- a/dev-libs/gmp/metadata.xml
+++ b/dev-libs/gmp/metadata.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
 <maintainer type="project">
 	<email>toolchain@gentoo.org</email>