From f041360ac17bc032c7e5a4553372893e42ba68c6 Mon Sep 17 00:00:00 2001
From: "Matthias P. Braendli" <matthias.braendli@mpb.li>
Date: Fri, 15 Dec 2017 10:07:03 +0100
Subject: Check for prctl portability

---
 configure.ac | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 9bb0ebc..261d444 100644
--- a/configure.ac
+++ b/configure.ac
@@ -173,6 +173,17 @@ AC_COMPILE_IFELSE(
         [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]) AC_DEFINE([M_PIl], [M_PI], [Replacing define])])
 AC_LANG_POP([C++])
 
+# Linux has prctl to set thread names
+AC_MSG_CHECKING(for prctl and PR_SET_NAME)
+AC_COMPILE_IFELSE([ AC_LANG_PROGRAM([[
+                    #include <sys/prctl.h>
+                    void set_thread_name() {
+                        prctl(PR_SET_NAME,"test",0,0,0);
+                    }
+                    ]])],
+                   [ AC_MSG_RESULT(yes)
+                     AC_DEFINE(HAVE_PRCTL, 1, [Define this symbol if you have prctl and PR_SET_NAME]) ],
+                   [ AC_MSG_RESULT(no) ])
 
 # Check for march
 AS_IF([test "x$enable_native" = "xyes"],
-- 
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