From ef07357b2fffeba67c05655ace1f32a64ae2fa3c Mon Sep 17 00:00:00 2001
From: Dan Liew <dan@su-root.co.uk>
Date: Tue, 7 Jun 2016 04:44:39 +0000
Subject: [PATCH] [LibFuzzer] Disable building and running LSan tests on Apple
 platforms because LSan is not currently supported.

Differential Revision: http://reviews.llvm.org/D20947

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271979 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Fuzzer/test/CMakeLists.txt   | 10 ++++++++++
 lib/Fuzzer/test/fuzzer-leak.test |  1 +
 lib/Fuzzer/test/lit.cfg          |  6 ++++++
 lib/Fuzzer/test/lit.site.cfg.in  |  1 +
 4 files changed, 18 insertions(+)

diff --git a/lib/Fuzzer/test/CMakeLists.txt b/lib/Fuzzer/test/CMakeLists.txt
index 7beae1da583..14e8f458c0d 100644
--- a/lib/Fuzzer/test/CMakeLists.txt
+++ b/lib/Fuzzer/test/CMakeLists.txt
@@ -93,6 +93,16 @@ set(Tests
   TimeoutTest
   )
 
+if(APPLE)
+  # LeakSanitizer is not supported on OSX right now
+  set(HAS_LSAN 0)
+  message(WARNING "LeakSanitizer is not supported on Apple platforms."
+    " Building and running LibFuzzer LeakSanitizer tests is disabled."
+    )
+else()
+  set(HAS_LSAN 1)
+endif()
+
 foreach(Test ${Tests})
   add_libfuzzer_test(${Test} SOURCES ${Test}.cpp)
 endforeach()
diff --git a/lib/Fuzzer/test/fuzzer-leak.test b/lib/Fuzzer/test/fuzzer-leak.test
index 6b4b484b0bf..f55ccafeb0e 100644
--- a/lib/Fuzzer/test/fuzzer-leak.test
+++ b/lib/Fuzzer/test/fuzzer-leak.test
@@ -1,3 +1,4 @@
+REQUIRES: lsan
 RUN: not LLVMFuzzer-LeakTest -runs=100000 -detect_leaks=1 2>&1 | FileCheck %s --check-prefix=LEAK_DURING
 LEAK_DURING: ERROR: LeakSanitizer: detected memory leaks
 LEAK_DURING: Direct leak of 4 byte(s) in 1 object(s) allocated from:
diff --git a/lib/Fuzzer/test/lit.cfg b/lib/Fuzzer/test/lit.cfg
index 5f52f643f75..e625fbe2286 100644
--- a/lib/Fuzzer/test/lit.cfg
+++ b/lib/Fuzzer/test/lit.cfg
@@ -19,3 +19,9 @@ if config.has_dfsan:
 else:
   lit_config.note('dfsan feature unavailable')
 
+if config.has_lsan:
+  lit_config.note('lsan feature available')
+  config.available_features.add('lsan')
+else:
+  lit_config.note('lsan feature unavailable')
+
diff --git a/lib/Fuzzer/test/lit.site.cfg.in b/lib/Fuzzer/test/lit.site.cfg.in
index 48d9b361e18..95ad6d0ab17 100644
--- a/lib/Fuzzer/test/lit.site.cfg.in
+++ b/lib/Fuzzer/test/lit.site.cfg.in
@@ -1,4 +1,5 @@
 config.test_exec_root = "@CMAKE_CURRENT_BINARY_DIR@"
 config.llvm_tools_dir = "@LLVM_TOOLS_DIR@"
 config.has_dfsan = True if @HAS_DFSAN@ == 1 else False
+config.has_lsan = True if @HAS_LSAN@ == 1 else False
 lit_config.load_config(config, "@CMAKE_CURRENT_SOURCE_DIR@/lit.cfg")