From d2124564b48fbd129dc7eddce2fa4c058c6e7af3 Mon Sep 17 00:00:00 2001 From: Vitaly Buka Date: Thu, 25 Aug 2016 03:32:49 +0000 Subject: [PATCH] [asan] Disable CreateSigAltStack from Unix/Signals.inc for asan builds Summary: Asan fails to UnsetAlternateSignalStack if it set by Unix/Signals.inc Reviewers: kcc Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D23864 llvm-svn: 279717 --- llvm/cmake/config-ix.cmake | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/llvm/cmake/config-ix.cmake b/llvm/cmake/config-ix.cmake index e16aefa2a5ab8..76a656edfaca9 100755 --- a/llvm/cmake/config-ix.cmake +++ b/llvm/cmake/config-ix.cmake @@ -170,7 +170,8 @@ if( HAVE_SETJMP_H ) check_symbol_exists(siglongjmp setjmp.h HAVE_SIGLONGJMP) check_symbol_exists(sigsetjmp setjmp.h HAVE_SIGSETJMP) endif() -if( HAVE_SIGNAL_H ) +// AddressSanitizer conflicts with lib/Support/Unix/Signals.inc +if( HAVE_SIGNAL_H AND NOT LLVM_USE_SANITIZER MATCHES ".*Address.*") check_symbol_exists(sigaltstack signal.h HAVE_SIGALTSTACK) endif() if( HAVE_SYS_UIO_H )