openssl: fix building on x32 systems

Fix build on Fedora 21 i686.

When building on x32 systems where the default type is 32bit,
make sure that 64bit integers can be represented transparently.

(From OE-Core rev: cd3eddcf2842b9a360f72caf4337ab2968462bb2)

Signed-off-by: Cristian Iorga <cristian.iorga@intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-connectivity/openssl/openssl/openssl-1.0.2a-x32-asm.patch

@@ -0,0 +1,46 @@
+https://rt.openssl.org/Ticket/Display.html?id=3759&user=guest&pass=guest
+
+From 6257d59b3a68d2feb9d64317a1c556dc3813ee61 Mon Sep 17 00:00:00 2001
+From: Mike Frysinger <vapier@gentoo.org>
+Date: Sat, 21 Mar 2015 06:01:25 -0400
+Subject: [PATCH] crypto: use bigint in x86-64 perl
+
+Upstream-Status: Pending
+Signed-off-by: Cristian Iorga <cristian.iorga@intel.com>
+
+When building on x32 systems where the default type is 32bit, make sure
+we can transparently represent 64bit integers.  Otherwise we end up with
+build errors like:
+/usr/bin/perl asm/ghash-x86_64.pl elf > ghash-x86_64.s
+Integer overflow in hexadecimal number at asm/../../perlasm/x86_64-xlate.pl line 201, <> line 890.
+...
+ghash-x86_64.s: Assembler messages:
+ghash-x86_64.s:890: Error: junk '.15473355479995e+19' after expression
+
+We don't enable this globally as there are some cases where we'd get
+32bit values interpreted as unsigned when we need them as signed.
+
+Reported-by: Bertrand Jacquin <bertrand@jacquin.bzh>
+URL: https://bugs.gentoo.org/542618
+---
+ crypto/perlasm/x86_64-xlate.pl | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/crypto/perlasm/x86_64-xlate.pl b/crypto/perlasm/x86_64-xlate.pl
+index aae8288..0bf9774 100755
+--- a/crypto/perlasm/x86_64-xlate.pl
++++ b/crypto/perlasm/x86_64-xlate.pl
+@@ -195,6 +195,10 @@ my %globals;
+     sub out {
+     	my $self = shift;
+ 
++	# When building on x32 ABIs, the expanded hex value might be too
++	# big to fit into 32bits.  Enable transparent 64bit support here
++	# so we can safely print it out.
++	use bigint;
+ 	if ($gas) {
+ 	    # Solaris /usr/ccs/bin/as can't handle multiplications
+ 	    # in $self->{value}
+-- 
+2.3.3
+

meta/recipes-connectivity/openssl/openssl_1.0.2a.bb

@@ -37,6 +37,7 @@ SRC_URI += "file://configure-targets.patch \
             file://run-ptest \
             file://crypto_use_bigint_in_x86-64_perl.patch \
             file://0001-bn-bn_lcl.h-fix-MIPS-specific-gcc-version-check.patch \
+            file://openssl-1.0.2a-x32-asm.patch \
            "
 
 SRC_URI[md5sum] = "a06c547dac9044161a477211049f60ef"