File 0003-enable-s390x-builds.patch of Package boringssl

From 47c30871e5c56a2d6578fedd89e52b10e5580558 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Klaus=20K=C3=A4mpf?= <kkaempf@suse.de>
Date: Wed, 4 Dec 2019 08:19:54 +0100
Subject: [PATCH 3/4] enable s390x builds

similar to the aarch64 patch, covering
- recognition of architecture
- adapting memory alignment
---
 CMakeLists.txt                   | 2 ++
 crypto/cipher_extra/aead_test.cc | 2 ++
 crypto/poly1305/poly1305_test.cc | 9 +++++++--
 include/openssl/base.h           | 3 +++
 4 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index c06b700e5144..80c9383b9af8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -469,6 +469,8 @@ elseif(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "mips")
   set(ARCH "generic")
 elseif(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "ppc64le")
   set(ARCH "ppc64le")
+elseif(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "s390x")
+  set(ARCH "s390x")
 else()
   message(FATAL_ERROR "Unknown processor:" ${CMAKE_SYSTEM_PROCESSOR})
 endif()
diff --git a/crypto/cipher_extra/aead_test.cc b/crypto/cipher_extra/aead_test.cc
index fd20ebc77b67..4c079e843321 100644
--- a/crypto/cipher_extra/aead_test.cc
+++ b/crypto/cipher_extra/aead_test.cc
@@ -31,6 +31,8 @@
 
 #if defined(OPENSSL_AARCH64)
 #define ALIGN_BYTES 16
+#elif defined(OPENSSL_S390X)
+#define ALIGN_BYTES 8
 #else
 #define ALIGN_BYTES 64
 #endif
diff --git a/crypto/poly1305/poly1305_test.cc b/crypto/poly1305/poly1305_test.cc
index 198cca12dae5..43cd95c8eb86 100644
--- a/crypto/poly1305/poly1305_test.cc
+++ b/crypto/poly1305/poly1305_test.cc
@@ -25,6 +25,11 @@
 #include "../test/file_test.h"
 #include "../test/test_util.h"
 
+#if defined(OPENSSL_S390X)
+#define ALIGN_BYTES 8
+#else
+#define ALIGN_BYTES 16
+#endif
 
 static void TestSIMD(unsigned excess, const std::vector<uint8_t> &key,
                      const std::vector<uint8_t> &in,
@@ -63,7 +68,7 @@ static void TestSIMD(unsigned excess, const std::vector<uint8_t> &key,
   CRYPTO_poly1305_update(&state, in.data() + done, in.size() - done);
 
   // |CRYPTO_poly1305_finish| requires a 16-byte-aligned output.
-  alignas(16) uint8_t out[16];
+  alignas(ALIGN_BYTES) uint8_t out[16];
   CRYPTO_poly1305_finish(&state, out);
   EXPECT_EQ(Bytes(out), Bytes(mac)) << "SIMD pattern " << excess << " failed.";
 }
@@ -82,7 +87,7 @@ TEST(Poly1305Test, TestVectors) {
     CRYPTO_poly1305_init(&state, key.data());
     CRYPTO_poly1305_update(&state, in.data(), in.size());
     // |CRYPTO_poly1305_finish| requires a 16-byte-aligned output.
-    alignas(16) uint8_t out[16];
+    alignas(ALIGN_BYTES) uint8_t out[16];
     CRYPTO_poly1305_finish(&state, out);
     EXPECT_EQ(Bytes(out), Bytes(mac)) << "Single-shot Poly1305 failed.";
 
diff --git a/include/openssl/base.h b/include/openssl/base.h
index cb1affacacce..2e29644ceadf 100644
--- a/include/openssl/base.h
+++ b/include/openssl/base.h
@@ -99,6 +99,9 @@ extern "C" {
 #elif (defined(__PPC64__) || defined(__powerpc64__)) && defined(_LITTLE_ENDIAN)
 #define OPENSSL_64_BIT
 #define OPENSSL_PPC64LE
+#elif defined(__S390X__) || defined(__s390x__)
+#define OPENSSL_64_BIT
+#define OPENSSL_S390X
 #elif defined(__mips__) && !defined(__LP64__)
 #define OPENSSL_32_BIT
 #define OPENSSL_MIPS
-- 
2.24.0