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authorDimitri van Heesch <doxygen@gmail.com>2020-06-13 18:45:58 (GMT)
committerDimitri van Heesch <doxygen@gmail.com>2020-06-13 18:45:58 (GMT)
commit07dd4ae9033c9872d70d68ff1d83ec46f1db7cb4 (patch)
tree97a65942643388ec3bb349912698c0d346c1fba6 /cmake/Sanitizers/FindSanitizers.cmake
parentfa4e3f5f955e602f02545e049361510f3334cfff (diff)
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Add options to enable various sanitizers
New CMAKE options (default OFF): - SANITIZE_ADDRESS:BOOL=OFF - SANITIZE_LINK_STATIC:BOOL=OFF - SANITIZE_MEMORY:BOOL=OFF - SANITIZE_THREAD:BOOL=OFF - SANITIZE_UNDEFINED:BOOL=OFF
Diffstat (limited to 'cmake/Sanitizers/FindSanitizers.cmake')
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diff --git a/cmake/Sanitizers/FindSanitizers.cmake b/cmake/Sanitizers/FindSanitizers.cmake
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+# The MIT License (MIT)
+#
+# Copyright (c)
+# 2013 Matthew Arsenault
+# 2015-2016 RWTH Aachen University, Federal Republic of Germany
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+# If any of the used compiler is a GNU compiler, add a second option to static
+# link against the sanitizers.
+option(SANITIZE_LINK_STATIC "Try to link static against sanitizers." Off)
+
+
+
+
+set(FIND_QUIETLY_FLAG "")
+if (DEFINED Sanitizers_FIND_QUIETLY)
+ set(FIND_QUIETLY_FLAG "QUIET")
+endif ()
+
+find_package(ASan ${FIND_QUIETLY_FLAG})
+find_package(TSan ${FIND_QUIETLY_FLAG})
+find_package(MSan ${FIND_QUIETLY_FLAG})
+find_package(UBSan ${FIND_QUIETLY_FLAG})
+
+
+
+
+function(sanitizer_add_blacklist_file FILE)
+ if(NOT IS_ABSOLUTE ${FILE})
+ set(FILE "${CMAKE_CURRENT_SOURCE_DIR}/${FILE}")
+ endif()
+ get_filename_component(FILE "${FILE}" REALPATH)
+
+ sanitizer_check_compiler_flags("-fsanitize-blacklist=${FILE}"
+ "SanitizerBlacklist" "SanBlist")
+endfunction()
+
+function(add_sanitizers ...)
+ # If no sanitizer is enabled, return immediately.
+ if (NOT (SANITIZE_ADDRESS OR SANITIZE_MEMORY OR SANITIZE_THREAD OR
+ SANITIZE_UNDEFINED))
+ return()
+ endif ()
+
+ foreach (TARGET ${ARGV})
+ # Check if this target will be compiled by exactly one compiler. Other-
+ # wise sanitizers can't be used and a warning should be printed once.
+ get_target_property(TARGET_TYPE ${TARGET} TYPE)
+ if (TARGET_TYPE STREQUAL "INTERFACE_LIBRARY")
+ message(WARNING "Can't use any sanitizers for target ${TARGET}, "
+ "because it is an interface library and cannot be "
+ "compiled directly.")
+ return()
+ endif ()
+ sanitizer_target_compilers(${TARGET} TARGET_COMPILER)
+ list(LENGTH TARGET_COMPILER NUM_COMPILERS)
+ if (NUM_COMPILERS GREATER 1)
+ message(WARNING "Can't use any sanitizers for target ${TARGET}, "
+ "because it will be compiled by incompatible compilers. "
+ "Target will be compiled without sanitizers.")
+ return()
+
+ # If the target is compiled by no or no known compiler, give a warning.
+ elseif (NUM_COMPILERS EQUAL 0)
+ message(WARNING "Sanitizers for target ${TARGET} may not be"
+ " usable, because it uses no or an unknown compiler. "
+ "This is a false warning for targets using only "
+ "object lib(s) as input.")
+ endif ()
+
+ # Add sanitizers for target.
+ add_sanitize_address(${TARGET})
+ add_sanitize_thread(${TARGET})
+ add_sanitize_memory(${TARGET})
+ add_sanitize_undefined(${TARGET})
+ endforeach ()
+endfunction(add_sanitizers)