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Don't pass -z defs to libc++ with MKSANITIZER=yes

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Sanitizers are conflicting with this option:

  When linking shared libraries, the AddressSanitizer run-time is not
  linked, so -Wl,-z,defs may cause link errors (t use it with
  AddressSanitizer).

https://clang.llvm.org/docs/AddressSanitizer.html

  When linking shared libraries, the MemorySanitizer run-time is not
  linked, so -Wl,-z,defs may cause link errors (t use it with
  MemorySanitizer).

https://clang.llvm.org/docs/MemorySanitizer.html

Solution suggested by <christos>
Root cause of breaking libc++ investigated by <Yang Zheng>
This commit is contained in:
kamil 2018-06-06 12:02:43 +00:00
parent ac571c1616
commit 3aa96d1801
1 changed files with 3 additions and 1 deletions
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4
external/bsd/libc++/lib/Makefile vendored
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@ -1,4 +1,4 @@
# $NetBSD: Makefile,v 1.10 2017/01/11 12:10:26 joerg Exp $
# $NetBSD: Makefile,v 1.11 2018/06/06 12:02:43 kamil Exp $
LIB= c++
WARNS= 4
@ -44,6 +44,8 @@ CWARNFLAGS.clang+= -Wno-error=missing-prototypes -Wno-error=sometimes-uninitiali
CWARNFLAGS.clang+= -Wno-error=missing-field-initializers -Wno-error=switch
CWARNFLAGS.clang+= -Wno-error=implicit-exception-spec-mismatch
.if ${MKSANITIZER} != "yes"
LDFLAGS+= -Wl,-z,defs
.endif
.include <bsd.lib.mk>