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CMake: Add WITH_COMPILER_ASAN option 

This supports easy toggling of Address Sanitizer.
This commit is contained in:
Campbell Barton 2018-05-18 15:21:18 +02:00
parent 4d19f24ba7
commit e077285745
1 changed files with 44 additions and 0 deletions
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44
CMakeLists.txt
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@ -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