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-rw-r--r--configure.ac2
1 files changed, 1 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac
index 59bf7577..b5eb9399 100644
--- a/configure.ac
+++ b/configure.ac
@@ -37,7 +37,7 @@ AS_IF([test "x${ac_cv_env_CXXFLAGS_set}" = "x"],
AC_CANONICAL_TARGET
-AM_INIT_AUTOMAKE([subdir-objects])
+AM_INIT_AUTOMAKE([1.9 tar-ustar subdir-objects])
AC_ARG_WITH([zlib],
[AS_HELP_STRING([--with-zlib],