Hi, a bug report pointed me to AC_PROG_CC_C_O. The macro has two uses: 1) in GNU make's configure.in 2) in Automake's AM_PROG_CC_C_O ad 1) Special needs of a project should be solved in that project. ad 2) The comments in automake/m4/minuso.m4 explain why Automake is not happy with the interface. And I think AM_PROG_CC_C_O should rather check only $CC, and not "cc". So: No one is happy with the current macro. I think it should be deprecated. (The same with AC_PROG_FC_C_O and AC_PROG_F77_C_O which are not used at all.) AM_PROG_CC_C_O needs to test whether $CC -c -o works, but the interface should change. And does Automake have any plans for testing Fortran's -c -o? If yes, shouldn't we introduce a generalized macro, for example AC_LANG_COMPILER_C_O([IF-WORKS], [IF-DOESNT]) which would test the compiler of the current language? Looking forward for any feedback, Stepan _______________________________________________ Autoconf mailing list Autoconf@xxxxxxx http://lists.gnu.org/mailman/listinfo/autoconf