From 2d783f5df86fa47a59672efe01b3be6cb04800db Mon Sep 17 00:00:00 2001
From: orbea <orbea@riseup.net>
Date: Wed, 9 Oct 2019 17:52:50 -0700
Subject: [PATCH] cmake: Fix ENABLE_ASAN with clang.

Only -fsanitize=address is needed for asan to work with both
gcc and clang.

[170/196] Building CXX object CMakeFiles/vbamcore.dir/src/Util.cpp.o
clang-9: warning: -lasan: 'linker' input unused [-Wunused-command-line-argument]
[171/196] Linking CXX static library libvbamcore.a
[172/196] Generating cmdtab.cpp, cmdhandlers.h, cmd-evtable.h
[173/196] Generating wxvbam.xrs
[174/196] Generating builtin-xrc.h
samu: job failed: cd /tmp/visualboyadvance-m/build/src/wx && /tmp/visualboyadvance-m/build/bin2c wxvbam.xrs builtin-xrc.h builtin_xrs
==4845==Your application is linked against incompatible ASan runtimes.
samu: subcommand failed
---
 CMakeLists.txt | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0717148f..f7454d86 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -495,10 +495,10 @@ if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID STREQUAL Clang)
         if(SANITIZER STREQUAL "on" OR SANITIZER STREQUAL "true")
             set(SANITIZER address)
         endif()
-        set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} "-lasan")
-        check_cxx_compiler_flag("-fsanitize=${SANITIZER} -lasan" ASAN_SUPPORT_FLAG)
+        list(PREPEND CMAKE_REQUIRED_LIBRARIES -fsanitize=${SANITIZER})
+        check_cxx_compiler_flag("-fsanitize=${SANITIZER}" ASAN_SUPPORT_FLAG)
         if(${ASAN_SUPPORT_FLAG})
-            set(MY_C_DBG_FLAGS ${MY_C_DBG_FLAGS} -fsanitize=${SANITIZER} -lasan)
+            list(PREPEND MY_C_DBG_FLAGS -fsanitize=${SANITIZER})
         else()
             message(FATAL_ERROR "asan not available to compiler.")
         endif()