diff --git a/intl/ctl/src/Makefile.in b/intl/ctl/src/Makefile.in
index b1cd6f5ed21..a80dbccfe4a 100644
--- a/intl/ctl/src/Makefile.in
+++ b/intl/ctl/src/Makefile.in
@@ -31,7 +31,7 @@ include $(DEPTH)/config/autoconf.mk
 
 MODULE		= ctl
 LIBRARY_NAME	= ctl
-Expcom_obsolete_LIBRARY = 1
+EXPORT_LIBRARY  = 1
 IS_COMPONENT	= 1
 
 REQUIRES	= xpcom_obsolete \
diff --git a/intl/uconv/src/Makefile.in b/intl/uconv/src/Makefile.in
index a735c6cb46c..0ed63a15757 100644
--- a/intl/uconv/src/Makefile.in
+++ b/intl/uconv/src/Makefile.in
@@ -28,7 +28,7 @@ include $(DEPTH)/config/autoconf.mk
 
 MODULE		= uconv
 LIBRARY_NAME	= uconv
-Expcom_obsolete_LIBRARY = 1
+EXPORT_LIBRARY  = 1
 IS_COMPONENT	= 1
 MODULE_NAME	= nsUConvModule
 GRE_MODULE	= 1
diff --git a/intl/uconv/ucvmath/Makefile.in b/intl/uconv/ucvmath/Makefile.in
index 5cdc5416b8b..16374620d6a 100644
--- a/intl/uconv/ucvmath/Makefile.in
+++ b/intl/uconv/ucvmath/Makefile.in
@@ -28,7 +28,7 @@ include $(DEPTH)/config/autoconf.mk
 
 MODULE		= ucvmath
 LIBRARY_NAME	= ucvmath
-Expcom_obsolete_LIBRARY = 1
+EXPORT_LIBRARY  = 1
 IS_COMPONENT	= 1
 MODULE_NAME	= nsUCvMathModule
 GRE_MODULE	= 1
diff --git a/mailnews/base/build/Makefile.in b/mailnews/base/build/Makefile.in
index aa4605275cd..eaceede911d 100644
--- a/mailnews/base/build/Makefile.in
+++ b/mailnews/base/build/Makefile.in
@@ -33,7 +33,7 @@ LIBRARY_NAME	= msgbase
 RESFILE		= mail.res
 endif
 META_COMPONENT = mail
-Expcom_obsolete_LIBRARY = 1
+EXPORT_LIBRARY = 1
 IS_COMPONENT	= 1
 MODULE_NAME	= nsMsgBaseModule
 REQUIRES	= xpcom \
diff --git a/profile/build/Makefile.in b/profile/build/Makefile.in
index da72d161db1..7ea0a6523da 100644
--- a/profile/build/Makefile.in
+++ b/profile/build/Makefile.in
@@ -43,7 +43,7 @@ include $(DEPTH)/config/autoconf.mk
 
 MODULE		= profile
 LIBRARY_NAME	= profile
-Expcom_obsolete_LIBRARY = 1
+EXPORT_LIBRARY  = 1
 IS_COMPONENT	= 1
 MODULE_NAME	= nsProfileModule
 GRE_MODULE	= 1
diff --git a/xpfe/appshell/src/Makefile.in b/xpfe/appshell/src/Makefile.in
index 5088df9969e..2525a6ff4ef 100644
--- a/xpfe/appshell/src/Makefile.in
+++ b/xpfe/appshell/src/Makefile.in
@@ -30,7 +30,7 @@ IS_COMPONENT=1
 MODULE_NAME	= appshell
 MODULE		= appshell
 LIBRARY_NAME	= nsappshell
-Expcom_obsolete_LIBRARY = 1
+EXPORT_LIBRARY  = 1
 SHORT_LIBNAME	= appshell
 GRE_MODULE	= 1