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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 ce0e6a130a9..8e973503be0 100644
--- a/libstdc++-v3/configure.ac
+++ b/libstdc++-v3/configure.ac
@@ -509,6 +509,9 @@ GLIBCXX_EXPORT_INSTALL_INFO
GLIBCXX_EXPORT_INCLUDES
GLIBCXX_EXPORT_FLAGS
+# Determine what GCC version number to use in filesystem paths.
+GCC_BASE_VER
+
dnl In autoconf 2.5x, AC_OUTPUT is replaced by four AC_CONFIG_* macros,
dnl which can all be called multiple times as needed, plus one (different)
dnl AC_OUTPUT macro. This one lists the files to be created: