Changeset 3640 for trunk/configure.ac

Timestamp:

May 3, 2017, 2:55:07 AM (6 years ago)

Author:

Peter

Message:

use std::log2 when available

File:

• trunk/configure.ac (modified) (3 diffs)

trunk/configure.ac

@@ -96 +96 @@
 yat_have_rvalue=no
 yat_have_atomic=no
+yat_have_log2=no
 AS_VAR_IF([enable_cxx11], [yes], [
   YAT_CXX_RVALUE([yat_have_rvalue=yes
@@ -103 +104 @@
                   AC_DEFINE([YAT_HAVE_ATOMIC], [1],
                             [Define if compiler support std::atomic])])
+  YAT_CXX_LOG2([yat_have_log2=yes
+                AC_DEFINE([YAT_HAVE_LOG2], [1],
+                          [Define if std::log2 exists])])
 ])
 
@@ -660 +664 @@
   With Rvalue Support:  $yat_have_rvalue
   With atomic Support:  $yat_have_atomic
+  With log2 Support:    $yat_have_log2
 
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