From 4584af2ebd1d66966dbfd3a6e27dcd7cec263663 Mon Sep 17 00:00:00 2001
From: Zach van Rijn <me@zv.io>
Date: Thu, 12 May 2022 12:15:32 -0500
Subject: openssl: ppc64

---
 .../repos/builtin/packages/openssl/package.py      |  2 +
 .../repos/builtin/packages/openssl/ppc64.patch     | 96 ++++++++++++++++++++++
 2 files changed, 98 insertions(+)
 create mode 100644 var/spack/repos/builtin/packages/openssl/ppc64.patch

diff --git a/var/spack/repos/builtin/packages/openssl/package.py b/var/spack/repos/builtin/packages/openssl/package.py
index 358a008088..21b076856a 100644
--- a/var/spack/repos/builtin/packages/openssl/package.py
+++ b/var/spack/repos/builtin/packages/openssl/package.py
@@ -387,6 +387,8 @@ class Openssl(Package):  # Uses Fake Autotools, should subclass Package
         when="@1.1.1q",
     )
 
+    patch('ppc64.patch', when='@:3.0.0')
+
     @classmethod
     def determine_version(cls, exe):
         output = Executable(exe)("version", output=str, error=str)
diff --git a/var/spack/repos/builtin/packages/openssl/ppc64.patch b/var/spack/repos/builtin/packages/openssl/ppc64.patch
new file mode 100644
index 0000000000..c75ceedba2
--- /dev/null
+++ b/var/spack/repos/builtin/packages/openssl/ppc64.patch
@@ -0,0 +1,96 @@
+From 34ab13b7d8e3e723adb60be8142e38b7c9cd382a Mon Sep 17 00:00:00 2001
+From: Andy Polyakov <appro@openssl.org>
+Date: Sun, 5 May 2019 18:25:50 +0200
+Subject: [PATCH] crypto/perlasm/ppc-xlate.pl: add linux64v2 flavour
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+This is a big endian ELFv2 configuration. ELFv2 was already being
+used for little endian, and big endian was traditionally ELFv1
+but there are practical configurations that use ELFv2 with big
+endian nowadays (Adélie Linux, Void Linux, possibly Gentoo, etc.)
+
+Reviewed-by: Paul Dale <paul.dale@oracle.com>
+Reviewed-by: Richard Levitte <levitte@openssl.org>
+(Merged from https://github.com/openssl/openssl/pull/8883)
+---
+ crypto/perlasm/ppc-xlate.pl | 8 ++++----
+ 1 file changed, 4 insertions(+), 4 deletions(-)
+
+diff --git a/crypto/perlasm/ppc-xlate.pl b/crypto/perlasm/ppc-xlate.pl
+index e52f2f6ea62..5fcd0526dff 100755
+--- a/crypto/perlasm/ppc-xlate.pl
++++ b/crypto/perlasm/ppc-xlate.pl
+@@ -49,7 +49,7 @@
+ 	/osx/		&& do { $name = "_$name";
+ 				last;
+ 			      };
+-	/linux.*(32|64le)/
++	/linux.*(32|64(le|v2))/
+ 			&& do {	$ret .= ".globl	$name";
+ 				if (!$$type) {
+ 				    $ret .= "\n.type	$name,\@function";
+@@ -80,7 +80,7 @@
+ };
+ my $text = sub {
+     my $ret = ($flavour =~ /aix/) ? ".csect\t.text[PR],7" : ".text";
+-    $ret = ".abiversion	2\n".$ret	if ($flavour =~ /linux.*64le/);
++    $ret = ".abiversion	2\n".$ret	if ($flavour =~ /linux.*64(le|v2)/);
+     $ret;
+ };
+ my $machine = sub {
+@@ -186,7 +186,7 @@
+ 
+ # Some ABIs specify vrsave, special-purpose register #256, as reserved
+ # for system use.
+-my $no_vrsave = ($flavour =~ /aix|linux64le/);
++my $no_vrsave = ($flavour =~ /aix|linux64(le|v2)/);
+ my $mtspr = sub {
+     my ($f,$idx,$ra) = @_;
+     if ($idx == 256 && $no_vrsave) {
+@@ -318,7 +318,7 @@ sub vfour {
+ 	if ($label) {
+ 	    my $xlated = ($GLOBALS{$label} or $label);
+ 	    print "$xlated:";
+-	    if ($flavour =~ /linux.*64le/) {
++	    if ($flavour =~ /linux.*64(le|v2)/) {
+ 		if ($TYPES{$label} =~ /function/) {
+ 		    printf "\n.localentry	%s,0\n",$xlated;
+ 		}
+
+From 098404128383ded87ba390dd74ecd9e2ffa6f530 Mon Sep 17 00:00:00 2001
+From: Andy Polyakov <appro@openssl.org>
+Date: Sun, 5 May 2019 18:30:55 +0200
+Subject: [PATCH] Configure: use ELFv2 ABI on some ppc64 big endian systems
+
+If _CALL_ELF is defined to be 2, it's an ELFv2 system.
+Conditionally switch to the v2 perlasm scheme.
+
+Reviewed-by: Paul Dale <paul.dale@oracle.com>
+Reviewed-by: Richard Levitte <levitte@openssl.org>
+(Merged from https://github.com/openssl/openssl/pull/8883)
+---
+ Configure | 10 +++++++---
+ 1 file changed, 7 insertions(+), 3 deletions(-)
+
+diff --git a/Configure b/Configure
+index 22082deb4c7..e303d98deb3 100755
+--- a/Configure
++++ b/Configure
+@@ -1402,8 +1402,15 @@
+ my %predefined_C = compiler_predefined($config{CROSS_COMPILE}.$config{CC});
+ my %predefined_CXX = $config{CXX}
+     ? compiler_predefined($config{CROSS_COMPILE}.$config{CXX})
+     : ();
+ 
++unless ($disabled{asm}) {
++    # big endian systems can use ELFv2 ABI
++    if ($target eq "linux-ppc64") {
++        $target{perlasm_scheme} = "linux64v2" if ($predefined_C{_CALL_ELF} == 2);
++    }
++}
++
+ # Check for makedepend capabilities.
+ if (!$disabled{makedepend}) {
+     if ($config{target} =~ /^(VC|vms)-/) {
-- 
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