From mboxrd@z Thu Jan 1 00:00:00 1970 From: John Kacur Subject: [PATCH rt-tests RFC] install: Fix failed to create symbolic link hwlatdetect file exists Date: Mon, 26 Mar 2012 15:33:39 +0200 Message-ID: <1332768819-4447-1-git-send-email-jkacur@redhat.com> Cc: Carsten Emde , Steven Rostedt , John Kacur To: rt-users , Clark Williams Return-path: Received: from mail-ey0-f174.google.com ([209.85.215.174]:38571 "EHLO mail-ey0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756172Ab2CZNec (ORCPT ); Mon, 26 Mar 2012 09:34:32 -0400 Received: by eaaq12 with SMTP id q12so1532818eaa.19 for ; Mon, 26 Mar 2012 06:34:31 -0700 (PDT) Sender: linux-rt-users-owner@vger.kernel.org List-ID: The following build error can occur if you have done a previous make install if test -n "/usr/lib/python2.7/site-packages" ; then \ install -D -m 755 src/hwlatdetect/hwlatdetect.py /usr/lib/python2.7/site-packages/hwlatdetect.py ; \ ln -s /usr/lib/python2.7/site-packages/hwlatdetect.py "/usr/local/bin/hwlatdetect" ; \ fi ln: failed to create symbolic link `/usr/local/bin/hwlatdetect': File exists make: *** [install] Error 1 I initially wanted to fix the error by removing the symbolic link, with rm -rf but Andrew Burgess pointed out that you can just use the ln's -f (force) flag. I like that solution better. Suggested-by: Andrew Burgess Signed-off-by: John Kacur --- Makefile | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/Makefile b/Makefile index ff697ca..a143545 100644 --- a/Makefile +++ b/Makefile @@ -125,7 +125,7 @@ install: all cp $(TARGETS) "$(DESTDIR)$(bindir)" if test -n "$(PYLIB)" ; then \ install -D -m 755 src/hwlatdetect/hwlatdetect.py $(DESTDIR)$(PYLIB)/hwlatdetect.py ; \ - ln -s $(PYLIB)/hwlatdetect.py "$(DESTDIR)$(bindir)/hwlatdetect" ; \ + ln -sf $(PYLIB)/hwlatdetect.py "$(DESTDIR)$(bindir)/hwlatdetect" ; \ fi install -D -m 644 src/backfire/backfire.c "$(DESTDIR)$(srcdir)/backfire/backfire.c" install -m 644 src/backfire/Makefile "$(DESTDIR)$(srcdir)/backfire/Makefile" -- 1.7.7.6