howto: update m4 files to match latest master

[debian/gnuradio] / gr-howto-write-a-block / config / gr_fortran.m4

diff --git a/gr-howto-write-a-block/config/gr_fortran.m4 b/gr-howto-write-a-block/config/gr_fortran.m4
index b5b0470f45c2ce78cb525490bf56d32b0548f140..033ef0307820e4987a2be810a9acc54e4f5a45bc 100644 (file)
--- a/gr-howto-write-a-block/config/gr_fortran.m4
+++ b/gr-howto-write-a-block/config/gr_fortran.m4
@@ -29,4 +29,5 @@ AC_DEFUN([GR_FORTRAN],[
         AC_PROG_F77
         AC_F77_LIBRARY_LDFLAGS
     fi
+    AC_PROG_CC dnl bug fix to restore $ac_ext
 ])