dnl Define SET_MAKE to set ${MAKE} if make doesn't.
AC_DEFUN(AC_PROG_MAKE_SET,
-[AC_MSG_CHECKING(whether ${MAKE-make} sets \$MAKE)
+[AC_MSG_CHECKING(whether ${MAKE-make} sets \$\{MAKE\})
set dummy ${MAKE-make}; ac_make=[$]2
AC_CACHE_VAL(ac_cv_prog_make_${ac_make}_set,
[cat > conftestmake <<\EOF
dnl Define SET_MAKE to set ${MAKE} if make doesn't.
AC_DEFUN(AC_PROG_MAKE_SET,
-[AC_MSG_CHECKING(whether ${MAKE-make} sets \$MAKE)
+[AC_MSG_CHECKING(whether ${MAKE-make} sets \$\{MAKE\})
set dummy ${MAKE-make}; ac_make=[$]2
AC_CACHE_VAL(ac_cv_prog_make_${ac_make}_set,
[cat > conftestmake <<\EOF