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-rw-r--r--libstdc++-v3/configure.ac2
1 files changed, 1 insertions, 1 deletions
diff --git a/libstdc++-v3/configure.ac b/libstdc++-v3/configure.ac
index 0b1edfd7c75..bb80cd5d79a 100644
--- a/libstdc++-v3/configure.ac
+++ b/libstdc++-v3/configure.ac
@@ -1,6 +1,6 @@
# Process this file with autoreconf to produce a configure script.
-AC_PREREQ(2.59)
+AC_PREREQ(2.64)
AC_INIT(package-unused, version-unused,, libstdc++)
AC_CONFIG_SRCDIR(src/ios.cc)
AC_CONFIG_HEADER(config.h)