Sorry that I have pressed send button too early. If I comment the AC_LANG in configure.ac, the corresponding line in Makefile is: depend depend.mk: makedepf90 $(kmc_SOURCES) >depend.mk include depend.mk what i want. Regards, Rudra On Thu, 2016-06-23 at 12:54 -0400, Zack Weinberg wrote: > On Thu, Jun 23, 2016 at 11:06 AM, Rudra Banerjee <bnrj.rudra@xxxxxxxx > m> wrote: > > > > $make > > Makefile:752: *** missing separator. Stop. > > Please send us the **unedited** output of > > $ sed -ne '745,760p' Makefile > > (with a Makefile that produces the "missing separator" error message) > > zw _______________________________________________ Autoconf mailing list Autoconf@xxxxxxx https://lists.gnu.org/mailman/listinfo/autoconf