From 330cb33985d0ce97c20f4a0f0bbda0fbffe098d4 Mon Sep 17 00:00:00 2001
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From: Fabrice Fontaine <fontaine.fabrice@gmail.com>
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Date: Mon, 9 Nov 2020 21:18:40 +0100
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Subject: [PATCH] src/randomenv.cpp: fix build on uclibc
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Check for HAVE_STRONG_GETAUXVAL or HAVE_WEAK_GETAUXVAL before using
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getauxval to avoid a build failure on uclibc
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Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
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[Upstream status: https://github.com/bitcoin/bitcoin/pull/20358]
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---
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src/randomenv.cpp | 6 +++---
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1 file changed, 3 insertions(+), 3 deletions(-)
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diff --git a/src/randomenv.cpp b/src/randomenv.cpp
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index 07122b7f6..5e07c3db4 100644
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--- a/src/randomenv.cpp
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+++ b/src/randomenv.cpp
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@@ -53,7 +53,7 @@
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#include <sys/vmmeter.h>
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#endif
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#endif
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-#ifdef __linux__
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+#if defined(HAVE_STRONG_GETAUXVAL) || defined(HAVE_WEAK_GETAUXVAL)
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#include <sys/auxv.h>
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#endif
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@@ -326,7 +326,7 @@ void RandAddStaticEnv(CSHA512& hasher)
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// Bitcoin client version
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hasher << CLIENT_VERSION;
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-#ifdef __linux__
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+#if defined(HAVE_STRONG_GETAUXVAL) || defined(HAVE_WEAK_GETAUXVAL)
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// Information available through getauxval()
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# ifdef AT_HWCAP
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hasher << getauxval(AT_HWCAP);
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@@ -346,7 +346,7 @@ void RandAddStaticEnv(CSHA512& hasher)
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const char* exec_str = (const char*)getauxval(AT_EXECFN);
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if (exec_str) hasher.Write((const unsigned char*)exec_str, strlen(exec_str) + 1);
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# endif
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-#endif // __linux__
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+#endif // HAVE_STRONG_GETAUXVAL || HAVE_WEAK_GETAUXVAL
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#ifdef HAVE_GETCPUID
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AddAllCPUID(hasher);
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--
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2.28.0
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