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-rw-r--r--libstdc++-v3/configure.ac3
1 files changed, 3 insertions, 0 deletions
diff --git a/libstdc++-v3/configure.ac b/libstdc++-v3/configure.ac
index 39b0b90c289..dadd8827b49 100644
--- a/libstdc++-v3/configure.ac
+++ b/libstdc++-v3/configure.ac
@@ -268,6 +268,9 @@ if $GLIBCXX_IS_NATIVE; then
# C11 functions for C++17 library
AC_CHECK_FUNCS(timespec_get)
+ # For Networking TS.
+ AC_CHECK_FUNCS(sockatmark)
+
# For iconv support.
AM_ICONV