From 66e6adc138eef1367d7492fb79ae4da84ed62934 Mon Sep 17 00:00:00 2001
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From: Neil Horman <nhorman@gmail.com>
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Date: Thu, 15 Jul 2021 08:43:01 -0400
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Subject: [PATCH] Adding ability to detect non-posix extensions for pthreads
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Theres a desire to build rngd with musl, which doesn't have all the gnu
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extensions (but it has some). So test for those. Note, this requires
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the addition of the USE_EXTENSIONS macro to enable -d_GNU_SOURCE
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Upstream-Status: Backport
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Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
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Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
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---
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configure.ac | 7 +++++++
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1 file changed, 7 insertions(+)
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diff --git a/configure.ac b/configure.ac
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index 9df633d..d0c2179 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -25,6 +25,7 @@ AC_CANONICAL_TARGET dnl required for broken AX_PTHREAD
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AM_INIT_AUTOMAKE([foreign])
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AC_CONFIG_HEADERS([rng-tools-config.h])
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AC_CONFIG_MACRO_DIRS([m4])
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+AC_USE_SYSTEM_EXTENSIONS
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dnl Parse options
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@@ -100,6 +101,12 @@ AS_IF(
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], [AC_MSG_NOTICE([Disabling JITTER entropy source])]
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)
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+AC_CHECK_DECL(pthread_attr_setaffinity_np,
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+ [AC_DEFINE([HAVE_PTHREAD_ATTR_SETAFFINITY], 1,[Set ATTR_SETAFFINITY])],
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+ [ AC_CHECK_DECL(pthread_setaffinity_np,
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+ [AC_DEFINE([HAVE_PTHREAD_SETAFFINITY],1, [Set PTHREAD_SETAFFINITY])], [ AC_MSG_ERROR([Neither pthread_setaffinity_np nor pthread_attr_setaffinity_np found])],[[#include <pthread.h>]])
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+ ], [[#include <pthread.h>]])
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+
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AS_IF(
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[ test "x$with_nistbeacon" != "xno"],
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[
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