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package/libopenssl: fix build on x86

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In some specific configurations (target 32bit x86, disable compiler
optimizations, and openssl binary enabled), the compilation fails
with the error:

/home/autobuild/autobuild/instance-7/output-1/host/lib/gcc/i686-buildroot-linux-gnu/14.3.0/../../../../i686-buildroot-linux-gnu/bin/ld: ./libcrypto.so: undefined reference to `ossl_aes_cfb128_vaes_dec'
/home/autobuild/autobuild/instance-7/output-1/host/lib/gcc/i686-buildroot-linux-gnu/14.3.0/../../../../i686-buildroot-linux-gnu/bin/ld: ./libcrypto.so: undefined reference to `ossl_aes_cfb128_vaes_enc'

The issue can be reproduced with the commands:

    cat >.config <<EOF
    BR2_x86_corei7=y
    BR2_TOOLCHAIN_EXTERNAL=y
    BR2_OPTIMIZE_0=y
    BR2_PACKAGE_OPENSSL=y
    BR2_PACKAGE_LIBOPENSSL_BIN=y
    EOF
    make olddefconfig
    make libopenssl

This commit adds a patch to fix the issue.

Fixes:
https://autobuild.buildroot.net/results/214/214b918f6b56e005b180145d245491971f3e3476/

Signed-off-by: Bernd Kuhls <bernd@kuhls.net>
[Julien: add commands to reproduce the issue]
Signed-off-by: Julien Olivain <ju.o@free.fr>
This commit is contained in:
Bernd Kuhls
2025-10-18 20:30:07 +02:00
committed by Julien Olivain
parent 33159bb6cc
commit e9bfd38904
1 changed files with 36 additions and 0 deletions
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36
package/libopenssl/0004-Scope-aes_cfb128_vaes_encdec_wrapper-to-x64.patch Normal file
View File

@@ -0,0 +1,36 @@
From a37d316e643a4c2be4708d504cc3ecbf37ec1773 Mon Sep 17 00:00:00 2001
From: Kai Pastor <dg0yt@darc.de>
Date: Wed, 8 Oct 2025 18:50:33 +0200
Subject: [PATCH] Scope aes_cfb128_vaes_encdec_wrapper to x64
This function is only used on x64 and relies on other functions which
are only implemented for x64.
Fixes #28745.
Upstream: https://github.com/openssl/openssl/pull/28792
Signed-off-by: Bernd Kuhls <bernd@kuhls.net>
---
providers/implementations/ciphers/cipher_aes_cfb_hw_aesni.inc | 2 ++
1 file changed, 2 insertions(+)
diff --git a/providers/implementations/ciphers/cipher_aes_cfb_hw_aesni.inc b/providers/implementations/ciphers/cipher_aes_cfb_hw_aesni.inc
index d5577d00f132e..eb8e0164ac9ed 100644
--- a/providers/implementations/ciphers/cipher_aes_cfb_hw_aesni.inc
+++ b/providers/implementations/ciphers/cipher_aes_cfb_hw_aesni.inc
@@ -30,6 +30,7 @@
static int ossl_aes_cfb8_vaes_eligible(void) { return 0; }
static int ossl_aes_cfb1_vaes_eligible(void) { return 0; }
+#if (defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) || defined(_M_X64))
/* active in 64-bit builds when AES-NI, AVX512F, and VAES are detected */
static int aes_cfb128_vaes_encdec_wrapper(
PROV_CIPHER_CTX* dat,
@@ -56,6 +57,7 @@ static int aes_cfb128_vaes_encdec_wrapper(
return 1;
}
+#endif
/* generates AES round keys for AES-NI and VAES implementations */
static int cipher_hw_aesni_initkey(PROV_CIPHER_CTX *dat,