## --------------------------------------------------------- #### Check for GNU make (do not cache this setting)            #### Adapted from AM_MISSING_PROG and AM_PROG_LD_GNU.          #### --------------------------------------------------------- ### serial 1dnl mfx_PROG_MAKE_GNU(NAME)AC_DEFUN(mfx_PROG_MAKE_GNU,[AC_MSG_CHECKING([whether we are using GNU make])# Run test in a subshell; some versions of sh will print an error if# an executable is not found, even if stderr is redirected.if (${MAKE-make} --version) 2>&1 </dev/null | grep 'GNU' >/dev/null; then   $1=yes   AC_MSG_RESULT(yes)else   $1=no   AC_MSG_RESULT(no)fiAC_SUBST($1)])