From: Donald Sharp <sharpd@cumulusnetworks.com>
Date: Fri, 7 Sep 2018 17:11:02 +0000 (-0400)
Subject: lib: Detect if pthread_condattr_setclock is available
X-Git-Tag: frr-7.1-dev~385^2~2
X-Git-Url: https://git.puffer.fish/?a=commitdiff_plain;h=afc9534f6727f9298da4881d2e1c8279f6ca315f;p=mirror%2Ffrr.git

lib: Detect if pthread_condattr_setclock is available

Auto-detect if pthread_condattr_setclock is available and if
it is not allow the code to compile around the issue.

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
---

diff --git a/configure.ac b/configure.ac
index 09a6f364fb..f1ffd43f5b 100755
--- a/configure.ac
+++ b/configure.ac
@@ -313,6 +313,13 @@ AX_PTHREAD([
   AC_MSG_FAILURE([This FRR version needs pthreads])
 ])
 
+AC_SEARCH_LIBS([pthread_condattr_setclock], [],
+		[frr_cv_pthread_condattr_setclock=yes],
+		[frr_cv_pthread_condattr_setclock=no])
+if test "$frr_cv_pthread_condattr_setclock" = yes; then
+  AC_DEFINE(HAVE_PTHREAD_CONDATTR_SETCLOCK, 1, [Have pthread.h pthread_condattr_setclock])
+fi
+
 dnl --------------
 dnl Check programs
 dnl --------------
diff --git a/lib/frr_pthread.h b/lib/frr_pthread.h
index cc4fc74337..732e2925fe 100644
--- a/lib/frr_pthread.h
+++ b/lib/frr_pthread.h
@@ -234,4 +234,8 @@ void frr_pthread_yield(void);
  */
 uint32_t frr_pthread_get_id(void);
 
+#ifndef HAVE_PTHREAD_CONDATTR_SETCLOCK
+#define pthread_condattr_setclock(A, B)
+#endif
+
 #endif /* _FRR_PTHREAD_H */