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package/libnss: fix build failure on powerpc without <sys/auxv.h>

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Add patch to fix build failure on PowerPc without <sys/auxv.h>. The patch
inserts #if statements to include or note <sys/auxv.h> prior it exists.

Fixes:
http://autobuild.buildroot.net/results/8bf95bd8a0aec8c53889308ab1e00d0a94f53d57/

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
This commit is contained in:
Giulio Benetti 2019-12-10 13:13:22 +01:00 committed by Thomas Petazzoni
parent fe4b47a121
commit a6f1453e1c
1 changed files with 40 additions and 0 deletions
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40
package/libnss/0004-Bug-1602743-Fix-PowerPc-build-sys-auxv.h-failure.patch Normal file
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@ -0,0 +1,40 @@
From efe0fd875c80ff6e3a05db6c5e15b07c173530a6 Mon Sep 17 00:00:00 2001
From: Giulio Benetti <giulio.benetti@benettiengineering.com>
Date: Tue, 10 Dec 2019 13:06:01 +0100
Subject: [PATCH] Bug 1602743 - Fix PowerPc build sys/auxv.h failure
Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
---
nss/lib/freebl/blinit.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/nss/lib/freebl/blinit.c b/nss/lib/freebl/blinit.c
index 959109b60..f0654595d 100644
--- a/nss/lib/freebl/blinit.c
+++ b/nss/lib/freebl/blinit.c
@@ -357,7 +357,9 @@ ppc_crypto_support()
#if defined(__powerpc__)
+#if (__has_include(<sys/auxv.h>))
#include <sys/auxv.h>
+#endif
// Defines from cputable.h in Linux kernel - PPC, letting us build on older kernels
#ifndef PPC_FEATURE2_VEC_CRYPTO
@@ -368,8 +370,11 @@ static void
CheckPPCSupport()
{
char *disable_hw_crypto = PR_GetEnvSecure("NSS_DISABLE_PPC_GHASH");
+ long hwcaps = 0;
- long hwcaps = getauxval(AT_HWCAP2);
+#if (__has_include(<sys/auxv.h>))
+ hwcaps = getauxval(AT_HWCAP2);
+#endif
ppc_crypto_support_ = hwcaps & PPC_FEATURE2_VEC_CRYPTO && disable_hw_crypto == NULL;
}
--
2.20.1