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-rw-r--r--unix/configure.ac2
1 files changed, 1 insertions, 1 deletions
diff --git a/unix/configure.ac b/unix/configure.ac
index 33e7a32..1c20f8e 100644
--- a/unix/configure.ac
+++ b/unix/configure.ac
@@ -219,7 +219,7 @@ SC_TCL_64BIT_FLAGS
# Tcl_UniChar strings to memcmp on big-endian systems.
#--------------------------------------------------------------------
-AC_C_BIGENDIAN
+AC_C_BIGENDIAN(,,,[#])
#--------------------------------------------------------------------
# Supply substitutes for missing POSIX library procedures, or