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-rw-r--r--libstdc++-v3/config.h.in4
1 files changed, 4 insertions, 0 deletions
diff --git a/libstdc++-v3/config.h.in b/libstdc++-v3/config.h.in
index 919a1f0..65e7b46 100644
--- a/libstdc++-v3/config.h.in
+++ b/libstdc++-v3/config.h.in
@@ -924,6 +924,10 @@
this host. */
#undef _GLIBCXX_USE_DECIMAL_FLOAT
+/* Define if /dev/random and /dev/urandom are available for
+ std::random_device. */
+#undef _GLIBCXX_USE_DEV_RANDOM
+
/* Define if fchmod is available in <sys/stat.h>. */
#undef _GLIBCXX_USE_FCHMOD