diff options
| author | Francis Ricci <francisjricci@gmail.com> | 2017-01-07 00:31:24 +0000 |
|---|---|---|
| committer | Francis Ricci <francisjricci@gmail.com> | 2017-01-07 00:31:24 +0000 |
| commit | 1d3577537992b862fb9c70f9adc1ad1a4cb09766 (patch) | |
| tree | 30a4c27576adfc0f96a48d503fd9508caea12180 /compiler-rt/lib/asan/CMakeLists.txt | |
| parent | 9a2a9922ca12260cf2cf0d6ac3410e1a8493be76 (diff) | |
| download | bcm5719-llvm-1d3577537992b862fb9c70f9adc1ad1a4cb09766.tar.gz bcm5719-llvm-1d3577537992b862fb9c70f9adc1ad1a4cb09766.zip | |
Enable weak hooks on darwin
Summary:
By default, darwin requires a definition for weak interface functions at
link time. Adding the '-U' link flag with each weak function allows these
weak interface functions to be used without definitions, which mirrors
behavior on linux and windows.
Reviewers: compnerd, eugenis
Subscribers: kubabrecka, mgorny, llvm-commits
Differential Revision: https://reviews.llvm.org/D28203
llvm-svn: 291314
Diffstat (limited to 'compiler-rt/lib/asan/CMakeLists.txt')
| -rw-r--r-- | compiler-rt/lib/asan/CMakeLists.txt | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/compiler-rt/lib/asan/CMakeLists.txt b/compiler-rt/lib/asan/CMakeLists.txt index 1258ef6165b..4bebb0a45a6 100644 --- a/compiler-rt/lib/asan/CMakeLists.txt +++ b/compiler-rt/lib/asan/CMakeLists.txt @@ -106,6 +106,10 @@ endif() add_compiler_rt_component(asan) if(APPLE) + add_weak_symbols("asan" WEAK_SYMBOL_LINKFLAGS) + add_weak_symbols("ubsan" WEAK_SYMBOL_LINKFLAGS) + add_weak_symbols("sanitizer_common" WEAK_SYMBOL_LINKFLAGS) + add_compiler_rt_runtime(clang_rt.asan SHARED OS ${SANITIZER_COMMON_SUPPORTED_OS} @@ -117,6 +121,7 @@ if(APPLE) RTLSanCommon RTUbsan CFLAGS ${ASAN_DYNAMIC_CFLAGS} + LINKFLAGS ${WEAK_SYMBOL_LINKFLAGS} DEFS ${ASAN_DYNAMIC_DEFINITIONS} PARENT_TARGET asan) else() |
