More build system dancing.

bootstrap

@@ -2,6 +2,7 @@
 
 set -e
 echo "Initial preparation...this can take awhile, so sit tight..."
+perl -w -e 'exit 0 if (-f "Makefile.am"); my $x = `automake --version |head -n 1`; chomp($x); $x = 0.0 if ($x !~ s/\A.*?(\d+\.\d+).*\Z/$1/); if ($x < 1.5) { rename ("./Makefile.am.oldautomake", "./Makefile.am"); } else { rename ("./Makefile.am.newautomake", "./Makefile.am"); }'
 aclocal
 libtoolize --automake --copy --force
 autoheader

platform/Makefile.am

@@ -2,10 +2,13 @@ noinst_LTLIBRARIES = libplatform.la
 
 INCLUDES = -I$(top_srcdir)
 
+X = beos.cpp
+Y = beos.cpp
+
 if BUILD_BEOS_CPP
-  X = beos.cpp
+  Y =
 else
-  Y = beos.cpp
+  X =
 endif
 
 libplatform_la_SOURCES =	\