diff --git a/c/src/ChangeLog b/c/src/ChangeLog
index 4dc4837220..f3dc705358 100644
--- a/c/src/ChangeLog
+++ b/c/src/ChangeLog
@@ -1,5 +1,6 @@
 2005-09-19	Ralf Corsepius <ralf.corsepius@rtems.org>
 
+	* libnetworking/pppd/Makefile.am: Use preinstall.am.
 	* librdbg/src/servbkpt.c, librdbg/src/servcon.c,
 	librdbg/src/servrpc.c, librdbg/src/servtgt.c
 	librdbg/src/servtsp.c: Include <errno.h> instead of <sys/errno.h>.
diff --git a/c/src/libnetworking/pppd/Makefile.am b/c/src/libnetworking/pppd/Makefile.am
index 5c8e731a5c..12c31ba31c 100644
--- a/c/src/libnetworking/pppd/Makefile.am
+++ b/c/src/libnetworking/pppd/Makefile.am
@@ -22,25 +22,9 @@ EXTRA_DIST = ipxcp.c ipxcp.h
 
 all-local: $(PREINSTALL_FILES)
 
-PREINSTALL_DIRS =
-PREINSTALL_FILES =
-
-$(PROJECT_INCLUDE)/$(dirstamp):
-	@$(mkdir_p) $(PROJECT_INCLUDE)
-	@: > $(PROJECT_INCLUDE)/$(dirstamp)
-PREINSTALL_DIRS += $(PROJECT_INCLUDE)/$(dirstamp)
-
-if HAS_NETWORKING
-$(PROJECT_INCLUDE)/rtemspppd.h: rtemspppd.h $(PROJECT_INCLUDE)/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/rtemspppd.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/rtemspppd.h
-
-$(PROJECT_INCLUDE)/rtemsdialer.h: rtemsdialer.h $(PROJECT_INCLUDE)/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/rtemsdialer.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/rtemsdialer.h
-endif
-
 CLEANFILES = $(PREINSTALL_FILES)
 DISTCLEANFILES = $(PREINSTALL_DIRS)
 
+include $(srcdir)/preinstall.am
+
 include $(top_srcdir)/automake/local.am
diff --git a/cpukit/pppd/Makefile.am b/cpukit/pppd/Makefile.am
index 5c8e731a5c..12c31ba31c 100644
--- a/cpukit/pppd/Makefile.am
+++ b/cpukit/pppd/Makefile.am
@@ -22,25 +22,9 @@ EXTRA_DIST = ipxcp.c ipxcp.h
 
 all-local: $(PREINSTALL_FILES)
 
-PREINSTALL_DIRS =
-PREINSTALL_FILES =
-
-$(PROJECT_INCLUDE)/$(dirstamp):
-	@$(mkdir_p) $(PROJECT_INCLUDE)
-	@: > $(PROJECT_INCLUDE)/$(dirstamp)
-PREINSTALL_DIRS += $(PROJECT_INCLUDE)/$(dirstamp)
-
-if HAS_NETWORKING
-$(PROJECT_INCLUDE)/rtemspppd.h: rtemspppd.h $(PROJECT_INCLUDE)/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/rtemspppd.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/rtemspppd.h
-
-$(PROJECT_INCLUDE)/rtemsdialer.h: rtemsdialer.h $(PROJECT_INCLUDE)/$(dirstamp)
-	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/rtemsdialer.h
-PREINSTALL_FILES += $(PROJECT_INCLUDE)/rtemsdialer.h
-endif
-
 CLEANFILES = $(PREINSTALL_FILES)
 DISTCLEANFILES = $(PREINSTALL_DIRS)
 
+include $(srcdir)/preinstall.am
+
 include $(top_srcdir)/automake/local.am