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-rw-r--r--libstdc++-v3/config.h.in3
1 files changed, 3 insertions, 0 deletions
diff --git a/libstdc++-v3/config.h.in b/libstdc++-v3/config.h.in
index 124ce6e..0077a59 100644
--- a/libstdc++-v3/config.h.in
+++ b/libstdc++-v3/config.h.in
@@ -679,6 +679,9 @@
/* Define to use GNU versioning in the shared library. */
#undef _GLIBCXX_SYMVER_GNU
+/* Define to use GNU namespace versioning in the shared library. */
+#undef _GLIBCXX_SYMVER_GNU_NAMESPACE
+
/* Define if C99 functions or macros from <wchar.h>, <math.h>, <complex.h>,
<stdio.h>, and <stdlib.h> can be used or exposed. */
#undef _GLIBCXX_USE_C99