From 783162123dbac43d5b7a3fab9d4f11dcf86d06e1 Mon Sep 17 00:00:00 2001
From: Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
Date: Wed, 13 Mar 2013 00:55:32 -0400
Subject: build-sys: use -f with ln -s

Parallel builds would sometimes try to recreate the link,
and fail since 'ln -s' would refuse to overwrite.
---
 Makefile.am | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Makefile.am b/Makefile.am
index cfcca7c88b..b6d330696a 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -177,7 +177,7 @@ define move-to-rootlibdir
 		$(MKDIR_P) $(DESTDIR)$(rootlibdir) && \
 		so_img_name=$$(readlink $(DESTDIR)$(libdir)/$$libname) && \
 		so_img_rel_target_prefix=$$(echo $(libdir) | sed 's,\(^/\|\)[^/][^/]*,..,g') && \
-		ln -sf $$so_img_rel_target_prefix$(rootlibdir)/$$so_img_name $(DESTDIR)$(libdir)/$$libname && \
+		$(LN_S) -f $$so_img_rel_target_prefix$(rootlibdir)/$$so_img_name $(DESTDIR)$(libdir)/$$libname && \
 		mv $(DESTDIR)$(libdir)/$$libname.* $(DESTDIR)$(rootlibdir); \
 	fi
 endef
@@ -3711,7 +3711,7 @@ man/%.html: man/%.xml man/custom-html.xsl
 	$(XSLTPROC_PROCESS_HTML)
 
 define html-alias
-	$(AM_V_LN)$(LN_S) $(notdir $<) $@
+	$(AM_V_LN)$(LN_S) -f $(notdir $<) $@
 endef
 
 endif
-- 
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