From 07be757faf25db75710d2cdd596106daeae852d9 Mon Sep 17 00:00:00 2001
From: Andrey Astafyev <dev@246060.ru>
Date: Tue, 2 Jul 2019 09:47:11 +0300
Subject: [PATCH] Add module for leak sanitizer

---
 cmake/FindLeakSan.cmake    | 47 ++++++++++++++++++++++++++++++++++++++
 cmake/FindSanitizers.cmake |  2 ++
 2 files changed, 49 insertions(+)
 create mode 100644 cmake/FindLeakSan.cmake

diff --git a/cmake/FindLeakSan.cmake b/cmake/FindLeakSan.cmake
new file mode 100644
index 0000000..603cd13
--- /dev/null
+++ b/cmake/FindLeakSan.cmake
@@ -0,0 +1,47 @@
+# The MIT License (MIT)
+#
+# Copyright (c)
+#   2013 Matthew Arsenault
+#   2015-2016 RWTH Aachen University, Federal Republic of Germany
+#   2019 Barcelona Supercomputing Center
+#
+# 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.
+
+option(SANITIZE_LEAK
+    "Enable LeakSanitizer for sanitized targets." Off)
+
+set(FLAG_CANDIDATES
+    "-g -fsanitize=leak"
+)
+
+
+include(sanitize-helpers)
+
+if (SANITIZE_LEAK)
+    sanitizer_check_compiler_flags("${FLAG_CANDIDATES}"
+        "LeakSanitizer" "LeakSan")
+endif ()
+
+function (add_sanitize_leak TARGET)
+    if (NOT SANITIZE_LEAK)
+        return()
+    endif ()
+
+    sanitizer_add_flags(${TARGET} "LeakSanitizer" "LeakSan")
+endfunction ()
diff --git a/cmake/FindSanitizers.cmake b/cmake/FindSanitizers.cmake
index a84a8af..37809ba 100644
--- a/cmake/FindSanitizers.cmake
+++ b/cmake/FindSanitizers.cmake
@@ -38,6 +38,7 @@ find_package(ASan ${FIND_QUIETLY_FLAG})
 find_package(TSan ${FIND_QUIETLY_FLAG})
 find_package(MSan ${FIND_QUIETLY_FLAG})
 find_package(UBSan ${FIND_QUIETLY_FLAG})
+find_package(LeakSan ${FIND_QUIETLY_FLAG})
 
 
 set(Sanitizers_COMPONENTS "")
@@ -121,5 +122,6 @@ function(add_sanitizers ...)
         add_sanitize_thread(${TARGET})
         add_sanitize_memory(${TARGET})
         add_sanitize_undefined(${TARGET})
+        add_sanitize_leak(${TARGET})
 	endforeach ()
 endfunction(add_sanitizers)