From 2fb4e754c64a023c16edcd69f89234300477d2f0 Mon Sep 17 00:00:00 2001
From: Mitch Phillips <mitchphillips@outlook.com>
Date: Thu, 15 Aug 2019 22:15:46 +0000
Subject: [PATCH] Guard fuzzer build behind Clang-only flags.

Should fix sanitizer buildbots and any one else who's building
compiler-rt using gcc.

llvm-svn: 369055
---
 compiler-rt/lib/gwp_asan/CMakeLists.txt | 23 ++++++++++++-----------
 1 file changed, 12 insertions(+), 11 deletions(-)

diff --git a/compiler-rt/lib/gwp_asan/CMakeLists.txt b/compiler-rt/lib/gwp_asan/CMakeLists.txt
index d32080f..53927e1 100644
--- a/compiler-rt/lib/gwp_asan/CMakeLists.txt
+++ b/compiler-rt/lib/gwp_asan/CMakeLists.txt
@@ -100,17 +100,18 @@ if (COMPILER_RT_HAS_GWP_ASAN)
       CFLAGS ${GWP_ASAN_CFLAGS} ${SANITIZER_COMMON_CFLAGS})
 
   # Build the stack trace compressor fuzzer.
-  add_llvm_executable(stack_trace_compressor_fuzzer
-    stack_trace_compressor_fuzzer.cpp
-    ${GWP_ASAN_SOURCES}
-    ${GWP_ASAN_HEADERS})
-  set_target_properties(stack_trace_compressor_fuzzer
-    PROPERTIES FOLDER "Fuzzers")
-  target_compile_options(stack_trace_compressor_fuzzer
-    PRIVATE -fsanitize=fuzzer-no-link)
-  set_target_properties(stack_trace_compressor_fuzzer PROPERTIES LINK_FLAGS
-    -fsanitize=fuzzer)
-  add_dependencies(gwp_asan stack_trace_compressor_fuzzer)
+  if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
+    add_llvm_executable(stack_trace_compressor_fuzzer
+      stack_trace_compressor_fuzzer.cpp
+      ${GWP_ASAN_SOURCES}
+      ${GWP_ASAN_HEADERS})
+    set_target_properties(stack_trace_compressor_fuzzer
+      PROPERTIES FOLDER "Fuzzers")
+    target_compile_options(stack_trace_compressor_fuzzer
+      PRIVATE -fsanitize=fuzzer-no-link)
+    target_link_options(stack_trace_compressor_fuzzer PRIVATE -fsanitize=fuzzer)
+    add_dependencies(gwp_asan stack_trace_compressor_fuzzer)
+  endif()
 endif()
 
 if(COMPILER_RT_INCLUDE_TESTS)
-- 
2.7.4