--- a/platform/Makefile.am	Sat May 25 09:41:14 2002 +0000
+++ b/platform/Makefile.am	Sat May 25 10:54:13 2002 +0000
@@ -2,14 +2,20 @@
 
 INCLUDES = -I$(top_srcdir)
 
+if BUILD_BEOS_CPP
+  X = beos.cpp
+else
+  Y = beos.cpp
+endif
+
 libplatform_la_SOURCES =	\
 	unix.c                  \
 	posix.c                 \
-	beos.cpp
+	$(X)
 
 EXTRA_DIST =      \
 	skeleton.c    \
 	macclassic.c  \
-	win32.c
+	win32.c       \
+	$(Y)
 
-