Commit: e0772857455f1bf0663a56291f727883b9595d7b
Author: Campbell Barton
Date: Fri May 18 15:21:18 2018 +0200
Branches: master
https://developer.blender.org/rBe0772857455f1bf0663a56291f727883b9595d7b
CMake: Add WITH_COMPILER_ASAN option
This supports easy toggling of Address Sanitizer.
===================================================================
M CMakeLists.txt
===================================================================
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3e23b5f9986..0388e251b6f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -527,6 +527,41 @@ if(CMAKE_COMPILER_IS_GNUCC)
mark_as_advanced(WITH_LINKER_GOLD)
endif()
+if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID MATCHES "Clang")
+ option(WITH_COMPILER_ASAN "Build and link against address sanitizer
(only for Debug & RelWithDebInfo targets)." OFF)
+ mark_as_advanced(WITH_COMPILER_ASAN)
+
+ if(WITH_COMPILER_ASAN)
+ set(_asan_defaults "\
+-fsanitize=address \
+-fsanitize=bool \
+-fsanitize=bounds \
+-fsanitize=enum \
+-fsanitize=float-cast-overflow \
+-fsanitize=float-divide-by-zero \
+-fsanitize=leak \
+-fsanitize=nonnull-attribute \
+-fsanitize=object-size \
+-fsanitize=returns-nonnull-attribute \
+-fsanitize=signed-integer-overflow \
+-fsanitize=undefined \
+-fsanitize=vla-bound \
+-fno-sanitize=alignment \
+")
+
+ set(COMPILER_ASAN_CFLAGS "${_asan_defaults}" CACHE STRING "C
flags for address sanitizer")
+ mark_as_advanced(COMPILER_ASAN_CFLAGS)
+ set(COMPILER_ASAN_CXXFLAGS "${_asan_defaults}" CACHE STRING
"C++ flags for address sanitizer")
+ mark_as_advanced(COMPILER_ASAN_CXXFLAGS)
+
+ unset(_asan_defaults)
+
+ find_library(COMPILER_ASAN_LIBRARY asan
${CMAKE_C_IMPLICIT_LINK_DIRECTORIES})
+ mark_as_advanced(COMPILER_ASAN_LIBRARY)
+
+ endif()
+endif()
+
# Dependency graph
option(WITH_LEGACY_DEPSGRAPH "Build Blender with legacy dependency graph" ON)
mark_as_advanced(WITH_LEGACY_DEPSGRAPH)
@@ -822,6 +857,15 @@ set(PLATFORM_LINKLIBS "")
set(PLATFORM_LINKFLAGS "")
set(PLATFORM_LINKFLAGS_DEBUG "")
+if(WITH_COMPILER_ASAN)
+ set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG}
${COMPILER_ASAN_CFLAGS}")
+ set(CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO}
${COMPILER_ASAN_CFLAGS}")
+
+ set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}
${COMPILER_ASAN_CXXFLAGS}")
+ set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO}
${COMPILER_ASAN_CXXFLAGS}")
+
+ set(PLATFORM_LINKFLAGS_DEBUG "${COMPILER_ASAN_LIBRARY}")
+endif()
#-----------------------------------------------------------------------------
#Platform specifics
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