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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 a6c01b2..0bf2191 100644
--- a/libstdc++-v3/configure.ac
+++ b/libstdc++-v3/configure.ac
@@ -587,6 +587,9 @@ GLIBCXX_CHECK_FILEBUF_NATIVE_HANDLES
# For std::text_encoding
GLIBCXX_CHECK_TEXT_ENCODING
+# For std::is_debugger_present
+GLIBCXX_CHECK_DEBUGGING
+
# Define documentation rules conditionally.
# See if makeinfo has been installed and is modern enough