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-rw-r--r--libstdc++-v3/ChangeLog9
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diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 4111bae..5d9f26d 100644
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@@ -1,5 +1,14 @@
2017-01-09 Jonathan Wakely <jwakely@redhat.com>
+ PR libstdc++/79017
+ * acinclude.m4 (GLIBCXX_CHECK_C99_TR1): Check for llrint and llround
+ functions separately on darwin and if they're missing define
+ _GLIBCXX_NO_C99_ROUNDING_FUNCS.
+ * config.h.in: Regenerate.
+ * configure: Regenerate.
+ * include/c_global/cmath [_GLIBCXX_NO_C99_ROUNDING_FUNCS] (llrint)
+ (llrintf, llrintl, llround, llroundf, llroundl): Do not define.
+
* testsuite/30_threads/condition_variable/members/3.cc: Use new macro
to detect correct thread_local destructors.
* testsuite/util/testsuite_hooks.h (CORRECT_THREAD_LOCAL_DTORS):