Index: Makefile.win
===================================================================
RCS file: /home/projects/pgsql/cvsroot/pgsql/src/makefiles/Makefile.win,v
retrieving revision 1.13
diff -u -p -r1.13 Makefile.win
--- Makefile.win	2001/05/25 15:48:33	1.13
+++ Makefile.win	2001/08/26 01:05:38
@@ -28,6 +28,10 @@ ifeq ($(findstring ecpg/lib,$(subdir)), 
 override CPPFLAGS+= -DBUILDING_DLL=1
 endif
 
+ifeq ($(findstring interfaces/libpq++,$(subdir)), interfaces/libpq++)
+override CPPFLAGS+= -DBUILDING_DLL=1
+endif
+
 ifeq ($(findstring src/pl/plpython,$(subdir)), src/pl/plpython)
 override CPPFLAGS+= -DUSE_DL_IMPORT
 endif