MEMORYCHECK_SUPPRESSIONS_FILE: add support for sanitizers

Help/release/dev/ctest_memcheck-leak_sanitizer.rst

@@ -3,3 +3,7 @@ ctest_memcheck-leak_sanitizer
 
 * The :command:`ctest_memcheck` command learned to support ``LeakSanitizer``
   independently from ``AddressSanitizer``.
+
+* The :command:`ctest_memcheck` command learned to read the location of
+  suppressions files for sanitizers from the
+  :variable:`CTEST_MEMORYCHECK_SUPPRESSIONS_FILE` variable.

Source/CTest/cmCTestMemCheckHandler.cxx

@@ -609,6 +609,12 @@ bool cmCTestMemCheckHandler::InitializeMemoryChecking()
       std::string envVar;
       std::string extraOptions =
         this->CTest->GetCTestConfiguration("MemoryCheckSanitizerOptions");
+      std::string suppressionsOption;
+      if (!this->CTest->GetCTestConfiguration("MemoryCheckSuppressionFile")
+             .empty()) {
+        suppressionsOption = " suppressions=" +
+          this->CTest->GetCTestConfiguration("MemoryCheckSuppressionFile");
+      }
       if (this->MemoryTesterStyle ==
           cmCTestMemCheckHandler::ADDRESS_SANITIZER) {
         envVar = "ASAN_OPTIONS";
@@ -628,7 +634,8 @@ bool cmCTestMemCheckHandler::InitializeMemoryChecking()
       }
       std::string outputFile =
         envVar + "=log_path=\"" + this->MemoryTesterOutputFile + "\" ";
-      this->MemoryTesterEnvironmentVariable = outputFile + extraOptions;
+      this->MemoryTesterEnvironmentVariable =
+        outputFile + extraOptions + suppressionsOption;
       break;
     }
     default: