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-rw-r--r--libstdc++-v3/ChangeLog7
-rwxr-xr-xlibstdc++-v3/configure11
-rw-r--r--libstdc++-v3/crossconfig.m41
3 files changed, 19 insertions, 0 deletions
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index a6bb0009..e3061ef 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,10 @@
+2015-10-11 Joseph Myers <joseph@codesourcery.com>
+
+ * crossconfig.m4 (GLIBCXX_CROSSCONFIG) <*-linux* | *-uclinux* |
+ *-gnu* | *-kfreebsd*-gnu | *-knetbsd*-gnu | *-cygwin*>: Check for
+ __cxa_thread_atexit_impl.
+ * configure: Regenerate.
+
2015-10-09 Jonathan Wakely <jwakely@redhat.com>
* include/experimental/erase_if.h: Move to ...
diff --git a/libstdc++-v3/configure b/libstdc++-v3/configure
index 73d45b1..1eb6db4 100755
--- a/libstdc++-v3/configure
+++ b/libstdc++-v3/configure
@@ -58893,6 +58893,17 @@ $as_echo "$gcc_cv_have_tls" >&6; }
$as_echo "#define HAVE_TLS 1" >>confdefs.h
fi
+ for ac_func in __cxa_thread_atexit_impl
+do :
+ ac_fn_c_check_func "$LINENO" "__cxa_thread_atexit_impl" "ac_cv_func___cxa_thread_atexit_impl"
+if test "x$ac_cv_func___cxa_thread_atexit_impl" = x""yes; then :
+ cat >>confdefs.h <<_ACEOF
+#define HAVE___CXA_THREAD_ATEXIT_IMPL 1
+_ACEOF
+
+fi
+done
+
diff --git a/libstdc++-v3/crossconfig.m4 b/libstdc++-v3/crossconfig.m4
index 10247f9..ece1256 100644
--- a/libstdc++-v3/crossconfig.m4
+++ b/libstdc++-v3/crossconfig.m4
@@ -156,6 +156,7 @@ case "${host}" in
GLIBCXX_CHECK_STDLIB_SUPPORT
AC_DEFINE(_GLIBCXX_USE_RANDOM_TR1)
GCC_CHECK_TLS
+ AC_CHECK_FUNCS(__cxa_thread_atexit_impl)
AM_ICONV
;;
*-mingw32*)