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From: Ed Maste <emaste@FreeBSD.org>
Date: Tue, 19 Dec 2017 18:06:29 +0000 (UTC)
To: ports-committers@freebsd.org, svn-ports-all@freebsd.org,
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Subject: svn commit: r456743 - head/devel/libunwind
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Author: emaste (src committer)
Date: Tue Dec 19 18:06:29 2017
New Revision: 456743
URL: https://svnweb.freebsd.org/changeset/ports/456743

Log:
  devel/libunwind: set LLD_UNSAFE
  
  libunwind.so has symbols with ELF protected visibility which various
  test applications could preempt. Both GNU gold and LLVM's lld fail to
  link this case, with errors like
  
  lld:
  /usr/bin/ld: error: cannot preempt symbol: _ULx86_64_init_local
  >>> defined in ../src/.libs/libunwind.so
  >>> referenced by Lperf-trace.c
  >>>               Lperf-trace.o:(main)
  
  gold:
  /usr/local/bin/ld.gold: error: Gperf-simple.o: cannot make copy relocation
      for protected symbol '_Ux86_64_local_addr_space', defined in
      ../src/.libs/libunwind-x86_64.so
  
  For now prevent libunwind from linking with lld. More information can be
  found in libunwind upstream issue 58
  https://github.com/libunwind/libunwind/issues/58
  
  PR:		219524
  Approved by:	portmgr (LLD_UNSAFE blanket)
  Sponsored by:	The FreeBSD Foundation

Modified:
  head/devel/libunwind/Makefile

Modified: head/devel/libunwind/Makefile
==============================================================================
--- head/devel/libunwind/Makefile	Tue Dec 19 18:01:43 2017	(r456742)
+++ head/devel/libunwind/Makefile	Tue Dec 19 18:06:29 2017	(r456743)
@@ -25,6 +25,7 @@ GNU_CONFIGURE=	yes
 INSTALL_TARGET=	install-strip
 USE_LDCONFIG=	yes
 USES=		libtool pathfix pkgconfig
+LLD_UNSAFE=	yes
 
 PLIST_SUB=	ARCH=${ARCH:S|i386|x86|:S|amd64|x86_64|}