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.

diff --git a/configure.ac b/configure.ac
index 35f069a7aedc38c8f8b0bd12b53c9dbb7716103e..3c6132e5f6e21546b52b70c1c81c6e3ea4647c8f 100644 (file)
--- 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