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From: Marc Kleine-Budde <mkl@pengutronix.de>
Subject: creakte hardlinks with force during install

Without this patch a repeated "make install" fails,
because the destination of the links already exists from the
previous "make install".

This patch add the "-f" parameter to "ln" to remove the link destination
in order to overwrite it.

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
---
 Makefile.in |   18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

Index: libpcap-1.0.0/Makefile.in
===================================================================
--- libpcap-1.0.0.orig/Makefile.in
+++ libpcap-1.0.0/Makefile.in
@@ -454,23 +454,23 @@ install: libpcap.a pcap-config
 	for i in $(MAN3PCAP); do \
 		$(INSTALL_DATA) $(srcdir)/$$i \
 		    $(DESTDIR)$(mandir)/man3/$$i; done
-	ln $(DESTDIR)$(mandir)/man3/pcap_datalink_val_to_name.3pcap \
+	ln -f $(DESTDIR)$(mandir)/man3/pcap_datalink_val_to_name.3pcap \
 		 $(DESTDIR)$(mandir)/man3/pcap_datalink_val_to_description.3pcap
-	ln $(DESTDIR)$(mandir)/man3/pcap_dump_open.3pcap \
+	ln -f $(DESTDIR)$(mandir)/man3/pcap_dump_open.3pcap \
 		 $(DESTDIR)$(mandir)/man3/pcap_dump_fopen.3pcap
-	ln $(DESTDIR)$(mandir)/man3/pcap_geterr.3pcap \
+	ln -f $(DESTDIR)$(mandir)/man3/pcap_geterr.3pcap \
 		 $(DESTDIR)$(mandir)/man3/pcap_perror.3pcap
-	ln $(DESTDIR)$(mandir)/man3/pcap_inject.3pcap \
+	ln -f $(DESTDIR)$(mandir)/man3/pcap_inject.3pcap \
 		 $(DESTDIR)$(mandir)/man3/pcap_sendpacket.3pcap
-	ln $(DESTDIR)$(mandir)/man3/pcap_loop.3pcap \
+	ln -f $(DESTDIR)$(mandir)/man3/pcap_loop.3pcap \
 		 $(DESTDIR)$(mandir)/man3/pcap_dispatch.3pcap
-	ln $(DESTDIR)$(mandir)/man3/pcap_major_version.3pcap \
+	ln -f $(DESTDIR)$(mandir)/man3/pcap_major_version.3pcap \
 		 $(DESTDIR)$(mandir)/man3/pcap_minor_version.3pcap
-	ln $(DESTDIR)$(mandir)/man3/pcap_next_ex.3pcap \
+	ln -f $(DESTDIR)$(mandir)/man3/pcap_next_ex.3pcap \
 		 $(DESTDIR)$(mandir)/man3/pcap_next.3pcap
-	ln $(DESTDIR)$(mandir)/man3/pcap_open_offline.3pcap \
+	ln -f $(DESTDIR)$(mandir)/man3/pcap_open_offline.3pcap \
 		 $(DESTDIR)$(mandir)/man3/pcap_fopen_offline.3pcap
-	ln $(DESTDIR)$(mandir)/man3/pcap_setnonblock.3pcap \
+	ln -f $(DESTDIR)$(mandir)/man3/pcap_setnonblock.3pcap \
 		 $(DESTDIR)$(mandir)/man3/pcap_getnonblock.3pcap
 	for i in $(MANFILE); do \
 		$(INSTALL_DATA) $(srcdir)/`echo $$i | sed 's/.manfile.in/.manfile/'` \