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-rw-r--r--m4/libgcrypt.m42
1 files changed, 1 insertions, 1 deletions
diff --git a/m4/libgcrypt.m4 b/m4/libgcrypt.m4
index e5f2a43c0..20bd10556 100644
--- a/m4/libgcrypt.m4
+++ b/m4/libgcrypt.m4
@@ -20,7 +20,7 @@ dnl version of libgcrypt is at least 1.2.5 *and* the API number is 1. Using
dnl this features allows to prevent build against newer versions of libgcrypt
dnl with a changed API.
dnl
-AC_DEFUN(AM_PATH_LIBGCRYPT,
+AC_DEFUN([AM_PATH_LIBGCRYPT],
[ AC_ARG_WITH(libgcrypt-prefix,
AC_HELP_STRING([--with-libgcrypt-prefix=PFX],
[prefix where LIBGCRYPT is installed (optional)]),