From a35ee9f402c87287f3a1c04eb5824ea72f7ae7bc Mon Sep 17 00:00:00 2001
From: Tobias Brunner <tobias@strongswan.org>
Date: Fri, 17 Jun 2016 15:04:17 +0200
Subject: [PATCH] Revert "configure: Cache result of
 pthread_condattr_setclock() check"

This reverts commit 8d79bfa8318ddd1b9b863241fe0e637be73af5f4 as it does
not provide any advantage over setting ac_cv_func_pthread_condattr_setclock=no.

References #1502.
---
 configure.ac | 40 ++++++++++++++++++----------------------
 1 file changed, 18 insertions(+), 22 deletions(-)

diff --git a/configure.ac b/configure.ac
index 35f069a7a..3c6132e5f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -512,28 +512,24 @@ AC_COMPILE_IFELSE(
 # check if pthread_condattr_setclock(CLOCK_MONOTONIC) is supported
 saved_LIBS=$LIBS
 LIBS=$PTHREADLIB
-AC_CACHE_CHECK([for pthread_condattr_setclock(CLOCK_MONOTONIC)],
-	[ss_cv_func_pthread_condattr_setclock_monotonic],
-	[AC_RUN_IFELSE(
-		[AC_LANG_SOURCE(
-			[[#include <pthread.h>
-			  int main() { pthread_condattr_t attr;
-				pthread_condattr_init(&attr);
-				return pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);}]])],
-		[ss_cv_func_pthread_condattr_setclock_monotonic=yes],
-		[ss_cv_func_pthread_condattr_setclock_monotonic=no],
-		# Check existence of pthread_condattr_setclock if cross-compiling
-		[AC_CHECK_FUNCS(pthread_condattr_setclock,
-			ss_cv_func_pthread_condattr_setclock_monotonic=unknown)]
-	)])
-if test x$ss_cv_func_pthread_condattr_setclock_monotonic = xyes; then
-	AC_DEFINE([HAVE_CONDATTR_CLOCK_MONOTONIC], [],
-			  [pthread_condattr_setclock supports CLOCK_MONOTONIC])
-elif test x$ss_cv_func_pthread_condattr_setclock_monotonic = xunknown; then
-	AC_DEFINE([HAVE_CONDATTR_CLOCK_MONOTONIC], [],
-			  [have pthread_condattr_setclock()])
-fi
-
+AC_MSG_CHECKING([for pthread_condattr_setclock(CLOCK_MONOTONIC)])
+AC_RUN_IFELSE(
+	[AC_LANG_SOURCE(
+		[[#include <pthread.h>
+		  int main() { pthread_condattr_t attr;
+			pthread_condattr_init(&attr);
+			return pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);}]])],
+	[AC_MSG_RESULT([yes]);
+	 AC_DEFINE([HAVE_CONDATTR_CLOCK_MONOTONIC], [],
+			   [pthread_condattr_setclock supports CLOCK_MONOTONIC])],
+	[AC_MSG_RESULT([no])],
+	# Check existence of pthread_condattr_setclock if cross-compiling
+	[AC_MSG_RESULT([unknown]);
+	 AC_CHECK_FUNCS(pthread_condattr_setclock,
+		[AC_DEFINE([HAVE_CONDATTR_CLOCK_MONOTONIC], [],
+				   [have pthread_condattr_setclock()])]
+	)]
+)
 # check if we actually are able to configure attributes on cond vars
 AC_CHECK_FUNCS(pthread_condattr_init)
 # instead of pthread_condattr_setclock Android has this function