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-rw-r--r--gr-howto-write-a-block/config/gr_fortran.m41
1 files changed, 1 insertions, 0 deletions
diff --git a/gr-howto-write-a-block/config/gr_fortran.m4 b/gr-howto-write-a-block/config/gr_fortran.m4
index b5b0470f4..033ef0307 100644
--- 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
])