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-rw-r--r--configure.ac3
1 files changed, 2 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac
index 0019b7b..de768c1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -25,7 +25,8 @@ AC_CONFIG_MACRO_DIR([m4])
# Build a C library.
AC_PROG_CC
-AM_PROG_AR
+# Automake 1.12 seems to require this, but automake 1.11 doesn't recognize it.
+m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
LT_INIT
# bcrypt has some x86 assembly.