[PATCH] RTEMS: Enable some libstdc++ features

[Sebastian Huber]

libstdc++/
        * acinclude.m4 (GLIBCXX_ENABLE_LIBSTDCXX_TIME): Add rtems*.
        (GLIBCXX_ENABLE_FILESYSTEM_TS): Likewise.
        * configure: Regenerate.
---
 libstdc++-v3/acinclude.m4 | 5 ++++-
 libstdc++-v3/configure    | 5 ++++-
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/libstdc++-v3/acinclude.m4 b/libstdc++-v3/acinclude.m4
index 599308f587a..b2a7694344d 100644
--- a/libstdc++-v3/acinclude.m4
+++ b/libstdc++-v3/acinclude.m4
@@ -1422,7 +1422,7 @@ AC_DEFUN([GLIBCXX_ENABLE_LIBSTDCXX_TIME], [
         ac_has_nanosleep=yes
         ac_has_sched_yield=yes
         ;;
-      freebsd*|netbsd*|dragonfly*)
+      freebsd*|netbsd*|dragonfly*|rtems*)
         ac_has_clock_monotonic=yes
         ac_has_clock_realtime=yes
         ac_has_nanosleep=yes
@@ -4294,6 +4294,9 @@ AC_DEFUN([GLIBCXX_ENABLE_FILESYSTEM_TS], [
       gnu* | linux* | kfreebsd*-gnu | knetbsd*-gnu)
         enable_libstdcxx_filesystem_ts=yes
         ;;
+      rtems*)
+        enable_libstdcxx_filesystem_ts=yes
+        ;;
       solaris*)
         enable_libstdcxx_filesystem_ts=yes
         ;;
diff --git a/libstdc++-v3/configure b/libstdc++-v3/configure
index 836a6d5a8f1..b365431a801 100755
--- a/libstdc++-v3/configure
+++ b/libstdc++-v3/configure
@@ -20564,7 +20564,7 @@ $as_echo "$glibcxx_glibc217" >&6; }
         ac_has_nanosleep=yes
         ac_has_sched_yield=yes
         ;;
-      freebsd*|netbsd*|dragonfly*)
+      freebsd*|netbsd*|dragonfly*|rtems*)
         ac_has_clock_monotonic=yes
         ac_has_clock_realtime=yes
         ac_has_nanosleep=yes
@@ -79994,6 +79994,9 @@ $as_echo_n "checking whether to build Filesystem TS 
support... " >&6; }
       gnu* | linux* | kfreebsd*-gnu | knetbsd*-gnu)
         enable_libstdcxx_filesystem_ts=yes
         ;;
+      rtems*)
+        enable_libstdcxx_filesystem_ts=yes
+        ;;
       solaris*)
         enable_libstdcxx_filesystem_ts=yes
         ;;
-- 
2.12.3