rm -rf autom4te*.cache
cat >> configure.ac <<'END'
-dnl Support for Object C++ was introduced only in Autoconf 2.65.
-AC_PREREQ([2.65])
AC_PROG_OBJCXX
END
-if $ACLOCAL; then
- : We have a modern enough autoconf, go ahead.
-elif test $? -eq 63; then
- skip_ "Object C++ support requires Autoconf 2.65 or later"
-else
- exit 1 # Some other aclocal failure.
-fi
-
+$ACLOCAL
$AUTOMAKE
$EGREP '^\.SUFFIXES:.* \.mm( |$)' Makefile.in