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From 66e6adc138eef1367d7492fb79ae4da84ed62934 Mon Sep 17 00:00:00 2001
From: Neil Horman <nhorman@gmail.com>
Date: Thu, 15 Jul 2021 08:43:01 -0400
Subject: [PATCH] Adding ability to detect non-posix extensions for pthreads
Theres a desire to build rngd with musl, which doesn't have all the gnu
extensions (but it has some). So test for those. Note, this requires
the addition of the USE_EXTENSIONS macro to enable -d_GNU_SOURCE
Upstream-Status: Backport
Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
---
configure.ac | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/configure.ac b/configure.ac
index 9df633d..d0c2179 100644
--- a/configure.ac
+++ b/configure.ac
@@ -25,6 +25,7 @@ AC_CANONICAL_TARGET dnl required for broken AX_PTHREAD
AM_INIT_AUTOMAKE([foreign])
AC_CONFIG_HEADERS([rng-tools-config.h])
AC_CONFIG_MACRO_DIRS([m4])
+AC_USE_SYSTEM_EXTENSIONS
dnl Parse options
@@ -100,6 +101,12 @@ AS_IF(
], [AC_MSG_NOTICE([Disabling JITTER entropy source])]
)
+AC_CHECK_DECL(pthread_attr_setaffinity_np,
+ [AC_DEFINE([HAVE_PTHREAD_ATTR_SETAFFINITY], 1,[Set ATTR_SETAFFINITY])],
+ [ AC_CHECK_DECL(pthread_setaffinity_np,
+ [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>]])
+ ], [[#include <pthread.h>]])
+
AS_IF(
[ test "x$with_nistbeacon" != "xno"],
[
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