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-rw-r--r--gr-howto-write-a-block/configure.ac2
1 files changed, 1 insertions, 1 deletions
diff --git a/gr-howto-write-a-block/configure.ac b/gr-howto-write-a-block/configure.ac
index 8b1a10f69..4137858a0 100644
--- a/gr-howto-write-a-block/configure.ac
+++ b/gr-howto-write-a-block/configure.ac
@@ -41,7 +41,7 @@ AC_PATH_PROG([RM_PROG], [rm])
AC_LIBTOOL_WIN32_DLL
AC_ENABLE_SHARED dnl do build shared libraries
AC_DISABLE_STATIC dnl don't build static libraries
-AC_PROG_LIBTOOL
+m4_ifdef([LT_INIT],[LT_INIT],[AC_PROG_LIBTOOL])
dnl Locate python, SWIG, etc
GR_NO_UNDEFINED